WO2008022416A1 - Intercrystaline coloration methods in marbles, granites, limestone and stones in general and products thereof - Google Patents
Intercrystaline coloration methods in marbles, granites, limestone and stones in general and products thereof Download PDFInfo
- Publication number
- WO2008022416A1 WO2008022416A1 PCT/BR2007/000120 BR2007000120W WO2008022416A1 WO 2008022416 A1 WO2008022416 A1 WO 2008022416A1 BR 2007000120 W BR2007000120 W BR 2007000120W WO 2008022416 A1 WO2008022416 A1 WO 2008022416A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- stone slab
- coloration
- stone
- granites
- marbles
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/45—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements
- C04B41/4505—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements characterised by the method of application
- C04B41/4535—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements characterised by the method of application applied as a solution, emulsion, dispersion or suspension
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/009—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone characterised by the material treated
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/249921—Web or sheet containing structurally defined element or component
- Y10T428/249953—Composite having voids in a component [e.g., porous, cellular, etc.]
Definitions
- the present invention relates to intercrystaline coloration methods in marbles, granites, limestone and stones in general, aimed to modify or add colors to plate and parts of marbles, granites, limestone and stones in general in order to obtain a new visual effect in the stone slab submitted to said method.
- the stones specially marbles, granites and limestones, are very used a long time ago as building elements, more specifically as coverage, and also as ornamental purpose.
- such stones have a relatively predicable visual aspect, and thus they are known according to the type of stone and from where it came.
- a known method consists in pre-heating a stone slab which is desired to be submitted to the coloration process, it being then immersed in a bath containing a colorant substance which is made circle throughout the whole surface or a part of said slab stone. Afterwards, it is removed from said coloring bath in order to drain the excess of coloring substance and then, submitted to wash.
- This coloration by immersion method is ineffective and further has the disadvantage of usually needing a recipent of large dimensionsfor immerging the stone slab, what also demands the use of great amounts of colorants.
- Another disadvantage of this method is to allow the employment of just one single color for each immersion bath, what limits the effects caused by the coloration that is desired to be printed to the stone slab.
- the immersion of the finished piece or crude plate is not effective in relation to the total absorption of the stone in its thickness, since after an infinity of tests for several years, it was evidenced that independent from the amount of the used colorant liquid or from the depth of the immersion of the slab or the position of the slabs to the coloration, in vertical or horizontal tanks and even independent from the time that the stone remains submerged, it still presents fail with a colorless line localized in the symmetric center of its tickness, since the colorationg does not occur in order to total and uniformly color the tickness of the stone, to make possible post work and completion.
- Another objective is the production of a plate or a slab having several colors in different areas, in other words, multicolor slabs.
- the stone slab receives on its surface submitted to the coloration method, a colorant solution, afterwards the stone slab is placed in a stuffiness chamber, then being submitted to a stuffiness method.
- the colorant penetrates by the surface of the stone slab.
- said colorant solution is forced to cross all the thickness of the stone slab through the use of air negative pressure exercised in the opposite surface of the stone slab in which the colorant solution was applied.
- the colorant substance is absorbed by the pores of the stone slab totally.
- said stone slab is placed in a pressure chamber, said pressure chamber being submitted to a positive pressure of air, in order to make the colorant solution pass throughout the thickness of the stone slab.
- the coloration methods described above can be applied in stone slabs in crude state and without finishing, as well as in stone slabs worked in crude plates, polished or not, since the coloration is total.
- the methods can be applied in several types of marbles, granites and stones in general.
- - Figure Ia shows a stone slab colored by known immersion methods
- - Figure Ib shows a stone slab colored by the methods of the present invention
- - Figure 2 shows a stone slab placed into a stuffiness chamber
- - Figure 3 shows a stone slab placed into a vacuum chamber
- - Figure 4 shows a stone slab placed into a pressure chamber.
- Figure Ia shows a slab colored by immersion method, being possible to observe the non-homogeneous dyeing of the whole thickness of the -stone slab 2
- Figure Ib shows a stone slab 2 colored by the coloration methods described in the present invention, occurring a homogeneous coloration of the whole thickness of the stone slab 2.
- Figure 2 shows a stone slab 2, placed in a stuffiness chamber 7, being applied a coloring solution 3 through the use of brushes, rolls, spray, etc., in one or more surfaces of said stone slab 2, such coloring solution 2 can have different colors for each application area in the stone slab 2.
- the stuffiness chamber 7 is closed and the stone slab 2 is maintained into the stuffiness chamber 7 by a period of time necessary for the penetration of the colorant solution 3 by the pores of the surface of said stone slab 2, in its whole thickness.
- the atmosphere inside the stuffiness chamber 7 becomes saturated of colorant solution 3, thus allowing a greater penetration of the colorant solution 3 in the stone slab 2.
- the stuffiness chamber 7, or the -stone slab 2 can be submitted to heating in order to accelerate the method of total coloration of the stone slab 2.
- Figure 3 has a vacuum chamber 1, showed in a longitudinal view, in order to facilitate the viewing of the stone slab 2.
- the coloring solution 3 is applied using brushes, rolls, spray, etc., in one or more surfaces of said stone slab 2, such coloring solution 3 can be all of a single color or have different colors for each application area of the stone slab 2.
- the vacuum chamber 1 is closed and the extraction process of the air of its interior is started, trough the mouthpiece 4, that is connected to a piping 5 connected to a vacuum pump (not showed).
- the mouthpiece 4 is coupled in a tight way to the stone slab 2, so that the air removed from the interior of the vacuum chamber 1 will be forced to pass by the pores of the stone slab 2, thus carrying the colorant solution 3 that is in contact with the surface of the stone slab 2. In this way the colorant solution will penetrate by the pores of the stone slab 2, allowing the coloration of the interior of the stone slab 2, going from one side to another.
- Figure 4 presents a pressure chamber 6, showed in a longitudinal section view, in order to facilitate the viewing of the stone slab 2.
- a colorant solution 3 is applied using brushes, rolls, spray, etc., in one or more surfaces of said stone slab 2, such coloring solution 3 can be of only one color or have different colors for each application area of the stone slab 2.
- the pressure chamber 6 is closed and the compression process of its interior air is started, through the injection of air trough the mouthpiece 8 which are coupled to a piping 5 connected to an air compressor (not showed).
- the air pressure increase into the pressure chamber 6 makes the whole surface of said stone slab 2 subjected to the compression and, by this way, the colorant solution 3 that is in contact with the surface of the stone slab 2 is forced to penetrate by the pores of the stone slab 2, allowing the dying of the whole thickness of the slab-stone 2 interior.
- the stone slab 2 can be heated in order to accelerate the coloration method.
- Said coloration methods are complemented by the use of a proofing specially developed, based of vegetable oils that do not attack neither the stone nor the color, mixed to the coloring solution 3 that penetrates in the interior of the stone slab 2, the proofing, by this way, protecting against degrading agents of the stone and protecting the applied color against abrasive products, the natural wear, besides stabilizing and fixing the resulting coloration in the stone slab 2 and making it hydro-oil repellent.
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Dispersion Chemistry (AREA)
- Finishing Walls (AREA)
- Pigments, Carbon Blacks, Or Wood Stains (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
The present invention relates to intercrystaline coloration methods in marbles, granites, limestones and stones in general, and to products thereof, wherein after the colorants (3) application on the stone slabs surface, such stone slab surface (2) are submitted to vacuum or pressure for the obtainment of the coloration resultant from one or several colors applied simultaneously in said stone slab (2).
Description
"INTERCRYSTALINE COLORATION
METHODS IN MARBLES, GRANITES, LIMESTONE AND STONES IN GENERAL AND PRODUCTS THEREOF"
Field of the Invention The present invention relates to intercrystaline coloration methods in marbles, granites, limestone and stones in general, aimed to modify or add colors to plate and parts of marbles, granites, limestone and stones in general in order to obtain a new visual effect in the stone slab submitted to said method.
Background of the Invention
The stones, specially marbles, granites and limestones, are very used a long time ago as building elements, more specifically as coverage, and also as ornamental purpose. However, such stones have a relatively predicable visual aspect, and thus they are known according to the type of stone and from where it came.
In order to provide a different visual aspect to the stone slabs and increase the choice of colors, some methods to obtain different colors for the marbles, granites and limestones in general are known, different from the colors that are usually found in nature.
A known method consists in pre-heating a stone slab which is desired to be submitted to the coloration process, it being then immersed in a bath containing a colorant substance
which is made circle throughout the whole surface or a part of said slab stone. Afterwards, it is removed from said coloring bath in order to drain the excess of coloring substance and then, submitted to wash. This coloration by immersion method is ineffective and further has the disadvantage of usually needing a recipent of large dimensionsfor immerging the stone slab, what also demands the use of great amounts of colorants.Another disadvantage of this method is to allow the employment of just one single color for each immersion bath, what limits the effects caused by the coloration that is desired to be printed to the stone slab.
Furthermore, the immersion of the finished piece or crude plate is not effective in relation to the total absorption of the stone in its thickness, since after an infinity of tests for several years, it was evidenced that independent from the amount of the used colorant liquid or from the depth of the immersion of the slab or the position of the slabs to the coloration, in vertical or horizontal tanks and even independent from the time that the stone remains submerged, it still presents fail with a colorless line localized in the symmetric center of its tickness, since the colorationg does not occur in order to total and uniformly color the tickness of the stone, to make possible post work and completion.
What was verified and proved is that in the immersion, the colorant liquid even after 15 days covering the slab, independent fom the amount of liquid or depth of the slab, after the liquid enter by the upper part of the stone and by the lower part, an air cushion is formed in the middle avoiding the colorant liquid to penetrate in the whole thickness of said slab- stone, in other words, one side harms the penetration of the other, forming a colorless line in the middle, as a consequence of the expulsion of the pores air that is not reached since paint is found obstructing the passage of the air towards the outer side opposite site.
Therefore, it is an objective of the present invention the provision of methods developed to allow the total absorption by the slabs in its thickness, reaching the aimed and desired total coloration, eliminating all the restrictions for the industrialization and improvement process.
Another objective is the production of a plate or a slab having several colors in different areas, in other words, multicolor slabs. Summary of the Invention
In order to overcome the inconveniences of the immersion method described previously, it were developed the coloration methods, which are subject matter of the present invention.
In a first embodiment of the present invention, the stone slab receives on its surface submitted to the coloration method, a colorant solution, afterwards the stone slab is placed in a stuffiness chamber, then being submitted to a stuffiness method. Thus, the colorant penetrates by the surface of the stone slab.
In an alternative embodiment of the present invention, after the employment of a coloring solution in a surface of the stone slab, said colorant solution is forced to cross all the thickness of the stone slab through the use of air negative pressure exercised in the opposite surface of the stone slab in which the colorant solution was applied. By this way the colorant substance is absorbed by the pores of the stone slab totally.
In another embodiment of the present invention, after the colorant solution be applied in one or more surfaces of the stone slab, said stone slab is placed in a pressure chamber, said pressure chamber being submitted to a positive pressure of air, in order to make the colorant solution pass throughout the thickness of the stone slab.
In the embodiments described above, it is possible to apply several and different colors in different areas of the stone slab, in order to allow a varied coloration in different areas of the surface of said stone slab, for the production of multicolor slabs and plates, what would not be possible by the immersion of the stone slab in a bath containing a single colorant solution.
The methods described in the embodiments above mentioned can be combined, in other words, it is possible, for instance, firstly submit the stone slab to a coloration method by stuffiness, afterwards to an air negative pressure method and finally to a method of positive pressure of air. Naturaly the sequence of said methods will influence the final result obtained in the coloration of said stone slab, what allows the free choice of the sequence to be adopted.
In anyone of the above-mentioned methods and their combinations, it is possible the adoption of countless pluralities of colors and colorant types, such as phosphorescent, reflective, luminescent, fluorescent, etc.
The coloration methods described above can be applied in stone slabs in crude state and without finishing, as well as in stone slabs worked in crude plates, polished or not, since the coloration is total. In other words, the methods can be applied in several types of marbles, granites and stones in general.
Brief Description of the Drawings
Another objectives, characteristics and advantages of the present invention will become more evident from the following detailed description, when taken together with the drawings, in which:
-Figure Ia shows a stone slab colored by known immersion methods;
-Figure Ib shows a stone slab colored by the methods of the present invention;
-Figure 2 shows a stone slab placed into a stuffiness chamber; -Figure 3 shows a stone slab placed into a vacuum chamber ;
-Figure 4 shows a stone slab placed into a pressure chamber.
Detailed description of the Invention As can be understood from the drawings, wherein equal numeric references identify correspondent parts, Figure Ia shows a slab colored by immersion method, being possible to observe the non-homogeneous dyeing of the whole thickness of the -stone slab 2, the Figure Ib shows a stone slab 2 colored by the coloration methods described in the present invention, occurring a homogeneous coloration of the whole thickness of the stone slab 2. Figure 2 shows a stone slab 2, placed in a stuffiness chamber 7, being applied a coloring solution 3 through the use of brushes, rolls, spray, etc., in one or more surfaces of said stone slab 2, such coloring solution 2 can have different colors for each application area in the stone slab 2. The stuffiness chamber 7 is closed and the stone slab 2 is maintained into the stuffiness chamber 7 by a period of time necessary for the penetration of the colorant solution 3 by the pores of the surface of said stone slab 2, in its whole thickness. The atmosphere inside
the stuffiness chamber 7 becomes saturated of colorant solution 3, thus allowing a greater penetration of the colorant solution 3 in the stone slab 2. The stuffiness chamber 7, or the -stone slab 2, can be submitted to heating in order to accelerate the method of total coloration of the stone slab 2.
Figure 3 has a vacuum chamber 1, showed in a longitudinal view, in order to facilitate the viewing of the stone slab 2. After the stone slab 2 be placed into the vacuum chamber 1, the coloring solution 3 is applied using brushes, rolls, spray, etc., in one or more surfaces of said stone slab 2, such coloring solution 3 can be all of a single color or have different colors for each application area of the stone slab 2. Then, the vacuum chamber 1 is closed and the extraction process of the air of its interior is started, trough the mouthpiece 4, that is connected to a piping 5 connected to a vacuum pump (not showed). The mouthpiece 4 is coupled in a tight way to the stone slab 2, so that the air removed from the interior of the vacuum chamber 1 will be forced to pass by the pores of the stone slab 2, thus carrying the colorant solution 3 that is in contact with the surface of the stone slab 2. In this way the colorant solution will penetrate by the pores of the stone slab 2, allowing the coloration of the interior of the stone slab 2, going from one side to another.
Figure 4 presents a pressure chamber 6, showed in a longitudinal section view, in order to facilitate the viewing of the stone slab 2. After the stone slab-2 be placed into the pressure
chamber 6, a colorant solution 3 is applied using brushes, rolls, spray, etc., in one or more surfaces of said stone slab 2, such coloring solution 3 can be of only one color or have different colors for each application area of the stone slab 2. Then the pressure chamber 6 is closed and the compression process of its interior air is started, through the injection of air trough the mouthpiece 8 which are coupled to a piping 5 connected to an air compressor (not showed). The air pressure increase into the pressure chamber 6 makes the whole surface of said stone slab 2 subjected to the compression and, by this way, the colorant solution 3 that is in contact with the surface of the stone slab 2 is forced to penetrate by the pores of the stone slab 2, allowing the dying of the whole thickness of the slab-stone 2 interior.
The pressure chamber 6, shown in Figure 3, alternatively can further be used as vacuum chamber, by just connecting the vacuum pump (not showed) to the piping 9, allowing a final result, different of the obtained by the use of the vacuum chamber 1, as described in Figure 2, to be obtained.
In the above-described methods, the stone slab 2 can be heated in order to accelerate the coloration method. Said coloration methods are complemented by the use of a proofing specially developed, based of vegetable oils that do not attack neither the stone nor the color, mixed to the coloring solution 3 that penetrates in the interior of the stone slab 2, the proofing, by this way, protecting against degrading agents of the stone and
protecting the applied color against abrasive products, the natural wear, besides stabilizing and fixing the resulting coloration in the stone slab 2 and making it hydro-oil repellent.
Claims
1. - An intercrystaline coloration method in marbles, granites, limestones and stones in general, in which a colorant solution (3) is applied on the surfaces of the stone slab (2), characterized in that said stone slab (2) is placed in a stuffiness chamber (7), by a period of time necessary for the penetration of the the colorant solution (3) by the pores of the surface of said stone slab (2), in its whole thickness.
2. - The method, according to claim 1, characterized in that such stuffiness chamber (7) is submitted to heating.
3. - The method, according to claim 1, characterized in that such stone slab (2) is submitted to heating.
4. - An intercrystaline coloration method in marbles, granites, limestones and stones in general, in which a coloring solution (3) is applied on the surfaces of the stone slab (2), characterized in that said stone slab (2) is placed into a vacuum chamber, in which a mouthpiece (4) is coupled to the stone slab (2), so that a negative pressure is caused on the surface of said stone slab (2) by a period of time necessary for the penetration of the colorant solution (3) by the pores of the surface of said stone slab (2), in its whole thickness.
5. - The method, according to claim 4, characterized in that just one color or a varied combination of colors are applied for each area of said stone slab (2).
6. - The method, according to claim 4, characterized in that such vacuum chamber (1) is submitted to heating.
7. - The method, according to claim 1, characterized in that such stone slab (2) is submitted to heating.
8. - An intercrystaline coloration method in marbles, granites, limestones and stones in general, in which a colorant solution (3) is applied on the surfaces of said stone slab (2), characterized in that said stone slab (2) is kept into a pressure chamber (6), by a period of time necessary for the penetration of the colorant solution (3) by the pores of the surface of said stone slab (2), in its whole thickness.
9. - The method, according to claim 8, characterized in that just one color, or a varied combination of colors are applied for each area of said stone slab (2).
10. - The method, according to claim 8, characterized in that such pressure chamber is submitted to heating.
11. - The method, according to claim 8, characterized in that such stone slab (2) is submitted to heating.
12. - An intercrystaline coloration method in marbles, granites, limestones and stones in general, in which a colorant solution (3) is applied on the surfaces of the stone slab (2), characterized in that said stone slab (2) is kept in a stuffiness chamber (7), however it is used as a vacuum chamber by a period of time necessary for the penetration of the colorant solution (3) by the pores of the surface of said stone slab (2), in its whole thickness.
13. - The method, according to claim 12, characterized in that just one color or a combination of several colors are applied in each area of said stone slab.
14. - The method, according to claim 12, characterized in that such stone slab is submitted to heating.
15. - The method, according to claim 12, characterized in that such stuffiness chamber (7) is submitted to heating.
16. - An intercrystaline coloration method in marbles, granites, limestones and stones in general, according to anyone of the preceding claims, characterized in that it is preferably used proofing agents based on vegetable oils, mixed to the colorant solution 17. - Intercrystaline coloration products in marbles, granites, limestones and stones in general, characterized in that such products are obtained from the methods according to anyone of claims 1 to 16.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP07719288.8A EP2054356A4 (en) | 2006-08-22 | 2007-05-18 | Intercrystaline coloration methods in marbles, granites, limestone and stones in general and products thereof |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| BRPI0603397-0 | 2006-08-22 | ||
| BRPI0603397-0A BRPI0603397A (en) | 2006-08-22 | 2006-08-22 | intercrystalline staining methods in marbles, granites, limestones and rocks in general, and products resulting from these methods |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2008022416A1 true WO2008022416A1 (en) | 2008-02-28 |
Family
ID=39106413
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/BR2007/000120 Ceased WO2008022416A1 (en) | 2006-08-22 | 2007-05-18 | Intercrystaline coloration methods in marbles, granites, limestone and stones in general and products thereof |
Country Status (4)
| Country | Link |
|---|---|
| US (2) | US20080048353A1 (en) |
| EP (1) | EP2054356A4 (en) |
| BR (1) | BRPI0603397A (en) |
| WO (1) | WO2008022416A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| PT105790B (en) * | 2011-07-05 | 2013-07-02 | Univ Tras Os Montes E Alto Douro | METHOD OF COLORING NATURAL AND / OR ARTIFICIAL ORNAMENTAL AND AGGLOMERATED ROCKS |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100540826B1 (en) * | 2003-12-26 | 2006-01-11 | 한국건설기술연구원 | Crystallized marble using incineration ash and its manufacturing method |
| SE537384C2 (en) * | 2013-04-23 | 2015-04-14 | Natstone Ab | Procedure for impregnating slabs of stone and apparatus therefor |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4695487A (en) * | 1986-04-14 | 1987-09-22 | Cho Yu H | Process for coloring granite |
| JPH03174377A (en) * | 1989-11-30 | 1991-07-29 | Ofudetsuku:Kk | Method for coloring stone and stone produced with coloring method thereof |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT24770B (en) * | 1903-02-11 | 1906-06-25 | Chemisch Tech Fabrik Dr Alb R | Method of coloring natural stones. |
| BE417003A (en) * | 1935-08-14 | |||
| DE2201743C3 (en) * | 1972-01-14 | 1981-06-04 | Boise Cascade Corp., Boise, Id. | Device for impregnating a sheet of corrugated cardboard |
| DE3333276A1 (en) * | 1983-09-15 | 1985-03-28 | Johann Stiegler KG GmbH & Co, 8831 Solnhofen | METHOD AND DEVICE FOR IMPREGNATING, IN PARTICULAR NATURAL STONES |
| US4822661A (en) * | 1987-07-20 | 1989-04-18 | Battaglia Gino C | Lightweight stone furniture |
| US6037015A (en) * | 1994-10-25 | 2000-03-14 | Dos Santo Simoes; Fernando Antonio | Method for coloring pieces of rocks by laser rays |
| CN1147490A (en) * | 1995-10-10 | 1997-04-16 | 黎兆安 | Method of processing white and grey granite into red granite |
| US5702780A (en) * | 1995-10-20 | 1997-12-30 | Tiller; Norman Andrew | Scented rock and method for making the same |
| CN1175560A (en) * | 1997-05-08 | 1998-03-11 | 林建伟 | Method for coloring marble and granite |
| CN1190087A (en) * | 1997-07-09 | 1998-08-12 | 广东真空设备厂股份有限公司 | Vacuum reddening infiltration process and agent for granite |
| US6000938A (en) * | 1998-10-27 | 1999-12-14 | Melanowicz; Arek | Automated door mechanism for heat treating furnace |
| US6443996B1 (en) * | 1999-04-16 | 2002-09-03 | Maurice W. Mihelich | Decorative dye colorant for natural stone |
-
2006
- 2006-08-22 BR BRPI0603397-0A patent/BRPI0603397A/en not_active Application Discontinuation
- 2006-10-25 US US11/585,776 patent/US20080048353A1/en not_active Abandoned
-
2007
- 2007-05-18 EP EP07719288.8A patent/EP2054356A4/en not_active Withdrawn
- 2007-05-18 WO PCT/BR2007/000120 patent/WO2008022416A1/en not_active Ceased
-
2009
- 2009-05-22 US US12/453,809 patent/US20090233078A1/en not_active Abandoned
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4695487A (en) * | 1986-04-14 | 1987-09-22 | Cho Yu H | Process for coloring granite |
| JPH03174377A (en) * | 1989-11-30 | 1991-07-29 | Ofudetsuku:Kk | Method for coloring stone and stone produced with coloring method thereof |
Non-Patent Citations (1)
| Title |
|---|
| See also references of EP2054356A4 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| PT105790B (en) * | 2011-07-05 | 2013-07-02 | Univ Tras Os Montes E Alto Douro | METHOD OF COLORING NATURAL AND / OR ARTIFICIAL ORNAMENTAL AND AGGLOMERATED ROCKS |
Also Published As
| Publication number | Publication date |
|---|---|
| EP2054356A4 (en) | 2013-08-28 |
| US20090233078A1 (en) | 2009-09-17 |
| BRPI0603397A (en) | 2008-04-08 |
| US20080048353A1 (en) | 2008-02-28 |
| EP2054356A1 (en) | 2009-05-06 |
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