EP0817829A1 - Composition a recurer se presentant sous forme liquide - Google Patents
Composition a recurer se presentant sous forme liquideInfo
- Publication number
- EP0817829A1 EP0817829A1 EP96908165A EP96908165A EP0817829A1 EP 0817829 A1 EP0817829 A1 EP 0817829A1 EP 96908165 A EP96908165 A EP 96908165A EP 96908165 A EP96908165 A EP 96908165A EP 0817829 A1 EP0817829 A1 EP 0817829A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- scouring
- composition
- filler
- weight
- dolomite
- 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.)
- Granted
Links
- 238000009991 scouring Methods 0.000 title claims abstract description 119
- 239000000203 mixture Substances 0.000 title claims abstract description 90
- 239000007788 liquid Substances 0.000 title claims abstract description 36
- 239000000945 filler Substances 0.000 claims abstract description 42
- 239000010459 dolomite Substances 0.000 claims abstract description 30
- 229910000514 dolomite Inorganic materials 0.000 claims abstract description 30
- 229910021532 Calcite Inorganic materials 0.000 claims abstract description 29
- 239000000454 talc Substances 0.000 claims abstract description 27
- 229910052623 talc Inorganic materials 0.000 claims abstract description 27
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 25
- 239000004094 surface-active agent Substances 0.000 claims abstract description 13
- 239000003352 sequestering agent Substances 0.000 claims description 10
- 239000002304 perfume Substances 0.000 claims description 8
- 239000000654 additive Substances 0.000 claims description 6
- 239000002245 particle Substances 0.000 claims description 2
- 230000002708 enhancing effect Effects 0.000 abstract 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 13
- 229910052500 inorganic mineral Inorganic materials 0.000 description 10
- 239000011707 mineral Substances 0.000 description 10
- 150000001875 compounds Chemical class 0.000 description 9
- 239000000047 product Substances 0.000 description 9
- 239000006072 paste Substances 0.000 description 8
- 239000000843 powder Substances 0.000 description 8
- 150000002191 fatty alcohols Chemical class 0.000 description 6
- 239000000377 silicon dioxide Substances 0.000 description 6
- 239000012764 mineral filler Substances 0.000 description 4
- 239000002736 nonionic surfactant Substances 0.000 description 4
- 239000003945 anionic surfactant Substances 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000012263 liquid product Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 238000003860 storage Methods 0.000 description 3
- KCXVZYZYPLLWCC-UHFFFAOYSA-N EDTA Chemical compound OC(=O)CN(CC(O)=O)CCN(CC(O)=O)CC(O)=O KCXVZYZYPLLWCC-UHFFFAOYSA-N 0.000 description 2
- 241001251094 Formica Species 0.000 description 2
- 239000006071 cream Substances 0.000 description 2
- 238000010908 decantation Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000008021 deposition Effects 0.000 description 2
- 239000007791 liquid phase Substances 0.000 description 2
- 238000011068 loading method Methods 0.000 description 2
- 238000005191 phase separation Methods 0.000 description 2
- 239000006254 rheological additive Substances 0.000 description 2
- 238000006748 scratching Methods 0.000 description 2
- 230000002393 scratching effect Effects 0.000 description 2
- 239000007790 solid phase Substances 0.000 description 2
- 238000009987 spinning Methods 0.000 description 2
- 239000002351 wastewater Substances 0.000 description 2
- KRKNYBCHXYNGOX-UHFFFAOYSA-K Citrate Chemical compound [O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O KRKNYBCHXYNGOX-UHFFFAOYSA-K 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- IGFHQQFPSIBGKE-UHFFFAOYSA-N Nonylphenol Natural products CCCCCCCCCC1=CC=C(O)C=C1 IGFHQQFPSIBGKE-UHFFFAOYSA-N 0.000 description 1
- YKTSYUJCYHOUJP-UHFFFAOYSA-N [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] Chemical compound [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] YKTSYUJCYHOUJP-UHFFFAOYSA-N 0.000 description 1
- 125000002877 alkyl aryl group Chemical group 0.000 description 1
- 239000008346 aqueous phase Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 229910001919 chlorite Inorganic materials 0.000 description 1
- 229910052619 chlorite group Inorganic materials 0.000 description 1
- QBWCMBCROVPCKQ-UHFFFAOYSA-N chlorous acid Chemical compound OCl=O QBWCMBCROVPCKQ-UHFFFAOYSA-N 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000003750 conditioning effect Effects 0.000 description 1
- 150000004985 diamines Chemical class 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 238000000265 homogenisation Methods 0.000 description 1
- -1 lauryl ether sulfate lauryl ether sulfate fatty alcohol Chemical class 0.000 description 1
- 239000006194 liquid suspension Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- HCWCAKKEBCNQJP-UHFFFAOYSA-N magnesium orthosilicate Chemical compound [Mg+2].[Mg+2].[O-][Si]([O-])([O-])[O-] HCWCAKKEBCNQJP-UHFFFAOYSA-N 0.000 description 1
- 239000000391 magnesium silicate Substances 0.000 description 1
- 229910052919 magnesium silicate Inorganic materials 0.000 description 1
- 235000019792 magnesium silicate Nutrition 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 125000001400 nonyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- SNQQPOLDUKLAAF-UHFFFAOYSA-N nonylphenol Chemical compound CCCCCCCCCC1=CC=CC=C1O SNQQPOLDUKLAAF-UHFFFAOYSA-N 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 230000000803 paradoxical effect Effects 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000005201 scrubbing Methods 0.000 description 1
- FQENQNTWSFEDLI-UHFFFAOYSA-J sodium diphosphate Chemical compound [Na+].[Na+].[Na+].[Na+].[O-]P([O-])(=O)OP([O-])([O-])=O FQENQNTWSFEDLI-UHFFFAOYSA-J 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- BDHFUVZGWQCTTF-UHFFFAOYSA-M sulfonate Chemical compound [O-]S(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-M 0.000 description 1
- 235000019818 tetrasodium diphosphate Nutrition 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D17/00—Detergent materials or soaps characterised by their shape or physical properties
- C11D17/0008—Detergent materials or soaps characterised by their shape or physical properties aqueous liquid non soap compositions
- C11D17/0013—Liquid compositions with insoluble particles in suspension
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/02—Inorganic compounds ; Elemental compounds
- C11D3/12—Water-insoluble compounds
- C11D3/1233—Carbonates, e.g. calcite or dolomite
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/02—Inorganic compounds ; Elemental compounds
- C11D3/12—Water-insoluble compounds
- C11D3/14—Fillers; Abrasives ; Abrasive compositions; Suspending or absorbing agents not provided for in one single group of C11D3/12; Specific features concerning abrasives, e.g. granulometry or mixtures
Definitions
- the invention relates to a scouring composition in liquid form, for cleaning surfaces or objects such as dishes, sanitaryware, worktops.
- compositions in liquid form pose specific problems relating in particular to the settling of the scouring charge in the liquid, which are not found in powders and pastes.
- the present invention relates to scouring liquids and proposes to solve the specific problems of liquid scouring compositions.
- Scouring liquids are well known for household uses and essentially contain one or more surfactants, a scouring filler, if necessary one or more additives (sequestering agent, perfume, etc.) and water. Their function is to loosen the dirt and dissolve the soluble parts (grease ).
- the scouring charge of scouring liquids is generally constituted by a finely divided mineral filler, having an abrasive power suitable for removing dirt from treated objects without scratching the surface.
- the Mohs hardness scale provides an assessment of the abrasive power of a mineral compound from the softest talc (value 1 on the Mohs scale) to diamond (value 10).
- silica or quartz as a mineral filler (value 7 on the scale): one could for example refer to the patents FR 1,523,007 and FR 1,523,009 which describe the use silica as a scouring filler.
- siliceous compounds have proved to be too aggressive for surfaces and currently less hard compounds are used, preferentially calcite and dolomite (values 3 and 4 on the Mohs scale), which constitute a good compromise allowing to obtain a good scouring efficiency without damaging or scratching the treated surfaces.
- the invention relates to a scouring liquid of the type referred to above, in which the scouring filler is based on calcite and / or dolomite.
- the first defect linked to the insufficient scouring power could be resolved by mixing with the load a certain proportion of silica of greater hardness (value 7 greater than that of calcite or dolomite); however, the introduction of an additional compound complicates the preparation and, above all, the second defect linked to the separation of the phases remains if the loading rate is lowered: such products comprising as scouring filler a mixture of calcite or dolomite and harder silica must have relatively high charge rates, otherwise they will become unstable and impossible to store.
- the reduction in the scouring charge rate leads to a reduction in the scouring power of the composition which is admissible in the case of the use of very abrasive silica but is no longer so for less hard minerals such as calcite and / or dolomite.
- the Romanian patent 60,527 describes a scouring powder which comprises as a scouring filler a mineral mixture of dolomite (80%) and talc (20%): according to this patent the addition of talc to the dolomite makes it possible to preserve the treated surfaces and reduce scratches.
- a scouring powder which comprises as a scouring filler a mineral mixture of dolomite (80%) and talc (20%): according to this patent the addition of talc to the dolomite makes it possible to preserve the treated surfaces and reduce scratches.
- Such a document obviously does not provide any instruction for reducing the charge rate of a liquid scouring product by maintaining its physical stability and by avoiding a lowering of its scouring power.
- CN 107 9505 A which relates to a scouring paste having a proportion of water of between 15 and 25%; the scouring filler is constituted in this document of a mineral mixture of natural silica or calcite, and talc.
- the same comments as those made with respect to the aforementioned Bulgarian patent can be made on this Chinese patent which does not provide any instruction for solving the problems of stability of liquid compositions.
- the reduction in the quantity of charge used would reduce the proportion of suspended matter in the waste water and therefore the deposits in the conduits, and would facilitate rinsing of the surfaces or objects treated.
- the object of the invention is to provide a new scouring composition, in liquid form, the scouring charge of which is based on calcite and / or dolomite and which make it possible to save scouring charge, without adding any rheological agent. chemical, and while benefiting on the one hand, from a scouring power of efficiency comparable to that of existing liquid products based on calcite and / or dolomite, on the other hand, of an excellent physical stability allowing a long-term storage without risk of phase separation.
- An objective of the invention is thus to reduce the cost of the composition and the quantity of suspended products discharged into the waste effluents by its use. Another objective is to facilitate rinsing and to limit, during use, deposits at the level of the weir and of the packaging cap.
- the scouring composition in liquid form targeted by the invention, comprises one or more surfactants, a scouring filler based on calcite and / or dolomite, and water; it can also include conventional additives in small proportions such as sequestering agents, perfumes, etc.
- this composition is characterized in that: the scouring filler comprises, mixed with calcite and / or dolomite, between 10% and 40% of talc (weight of talc relative to the filler weight),
- the scouring filler is incorporated into the composition at a weight rate of between 5% and 35% (filler weight relative to the weight of liquid composition),
- the composition comprises by weight between 50% and 90% of water.
- Talc means either the hydrated magnesium silicate mineral or the chlorite mineral
- the scouring liquid according to the invention may have the following weight composition (percentages based on the total weight of the composition):
- a scouring filler constituted by a mixture of calcite and / or dolomite and talc makes it possible to reduce the filler rate of a scouring liquid composition without lowering the scouring power of the composition and by giving it satisfactory physical stability.
- the surfactants and where appropriate the additives are in amounts comparable to those of the known liquid compositions based on calcite and / or dolomite but a significant proportion of scouring filler is replaced by water without harming the scouring efficiency of the composition and its physical stability: the cost of the composition and the pollution which it causes during its use are thus very significantly reduced. It is further observed that the rinsing of the objects treated with the composition is easier and requires less water, while the deposits are limited in the weir and the conditioning plug.
- the scouring power of a liquid composition in accordance with the invention having a charge rate equal to a value of the order of 15 to 20 % (filler comprising a mixture of calcite and / or dolomite and talc) is substantially the same as that of a conventional liquid composition at 40% filler, (calcite and / or dolomite alone).
- the scouring power of the liquid composition of the invention is higher: this effect is very paradoxical since it is obtained by replacing part of the calcite or dolomite with a softer compound and by reducing the amount of charge incorporated.
- the scouring power is slightly lower but satisfactory up to a charge rate of approximately 5%.
- a charge rate of between 15% and 25% and a proportion of water between 65% and 75% which corresponds to a good compromise between scouring efficiency and economy, the proportion of surfactant being so between 4% and 10% and that of miscellaneous additives less than 8%.
- the proportion of surfactant being so between 4% and 10% and that of miscellaneous additives less than 8%.
- the increase in the weight of talc relative to the charge weight increases the stability and the scouring efficiency of the composition.
- the invention gives good results when the mineral mixture constituting the scouring filler is formulated so as to contain:
- the average particle size D50 of talc and dolomite and / or calcite used in the filler is in particular between 3 and 70 microns.
- the set of results is the average of four experiments in which the sponges are crossed in order to avoid possible variations due to the physical state of the sponge.
- the results of scouring efficiency of the scouring composition according to the invention are expressed relative to the scouring efficiency of the reference composition on a scale ranging from -4 to +4, the value 0 representing the equality of l scouring efficiency.
- the significance of the deviations on this scale (-4 +4) can be expressed as follows:
- the scouring efficiency is well linked to the scouring filler because compositions without scouring filler are ineffective on soiling.
- FIG. 1 of the single plate illustrates the results obtained in Example 3.
- composition according to the invention designated Cyl
- Anionic surfactant Na salt of paraffin sulfonate in C13-17
- Nonionic surfactant Nonyl phenol ethoxylated at 8 EO; fatty alcohol CI 2-14) 2.5 Sequestering agent (Tetrasodium pyrophosphate) ... 3.0
- the scouring efficiency of the scouring composition according to the invention is significantly higher than that of the reference composition, designated Cr1 (same charge rate).
- Cr1 standard charge rate
- the Cri reference composition is used immediately after homogenization because its physical stability is zero: decantation is observed almost immediately resulting in separation of the solid phase (mineral filler) and the aqueous liquid phase. This negative effect is not observed with the scouring composition according to the invention, designated Cv1, and this even after storage for several weeks (three months at ambient temperature and at 40 ° C.).
- the 2 g of scouring composition are directly deposited on the formica support to be cleaned and not conventionally directly on the sponge moistened with 5 g of water after spinning.
- the scouring compositions are identical to those used in Example 1.
- the value of the scouring efficiency of Cv1 compared to Cr1 is equal to +1.0.
- the scouring efficiency of the scouring composition according to the invention is greater than that of the reference composition, designated Cri.
- Example 1 completely confirms the result of Example 1 by eliminating any artifact that may be due to the deposition of the scouring composition on the sponge.
- Scouring composition according to the invention designated Cv2, the scouring charge rate varying from 10 to 30%% by pure weight
- Non-ionic surfactant (compound identical to Example 1) 3.2
- Scouring composition according to the invention 30% 20% 10%
- composition at 40% of load B gives performance of +2.3 compared to the scouring composition.
- the curve in FIG. 1 illustrates the results obtained (effectiveness of the compositions with load B relative to the conventional reference composition).
- Scouring composition according to the invention Cv1 compared to the standard reference scouring composition, designated Cr2
- the scouring efficiency of the scouring composition of the invention is greater than that of the standard reference composition, designated Cr2. This effect is observed despite a scouring charge rate reduced by 50% (charge weight relative to the initial charge weight) and a very high talc content: 25% (talc weight relative to the charge weight).
- the scouring composition according to the invention also has excellent physical stability: no settling is observed after several weeks of storage (three months at room temperature and at 40 ° C.).
- Example 5 Example 6
- Example 7 Example 8 talc / calcite 25/75 talc / calcite 40/60
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Detergent Compositions (AREA)
- Polishing Bodies And Polishing Tools (AREA)
- Fire-Extinguishing Compositions (AREA)
Abstract
Description
Claims
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR9503662 | 1995-03-27 | ||
| FR9503662A FR2732354B1 (fr) | 1995-03-27 | 1995-03-27 | Composition a recurer se presentant sous forme liquide ou de creme |
| PCT/FR1996/000425 WO1996030480A1 (fr) | 1995-03-27 | 1996-03-21 | Composition a recurer se presentant sous forme liquide |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP0817829A1 true EP0817829A1 (fr) | 1998-01-14 |
| EP0817829B1 EP0817829B1 (fr) | 2000-05-24 |
Family
ID=9477525
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP96908165A Expired - Lifetime EP0817829B1 (fr) | 1995-03-27 | 1996-03-21 | Composition a recurer se presentant sous forme liquide |
Country Status (10)
| Country | Link |
|---|---|
| EP (1) | EP0817829B1 (fr) |
| AT (1) | ATE193316T1 (fr) |
| AU (1) | AU5150196A (fr) |
| CZ (1) | CZ288007B6 (fr) |
| DE (1) | DE69608552T2 (fr) |
| ES (1) | ES2148741T3 (fr) |
| FR (1) | FR2732354B1 (fr) |
| HU (1) | HUP9801203A3 (fr) |
| PL (1) | PL180357B1 (fr) |
| WO (1) | WO1996030480A1 (fr) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001074301A1 (fr) | 2000-04-03 | 2001-10-11 | 3M Innovative Properties Company | Produits dentaires dotes de temps de travail extensible, kits et procedes |
| BRPI0604286A2 (pt) * | 2006-10-11 | 2008-12-23 | Bentonit Uniao Nordeste Sa | grÂnulos para utilizaÇço em formulaÇÕes de produtos para cuidados pessoais e/ou produtos de limpeza e produtos contendo os grÂnulos |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1007076A (fr) * | 1948-02-20 | 1952-04-30 | Produit à récurer et à polir | |
| US4352678A (en) * | 1978-10-02 | 1982-10-05 | Lever Brothers Company | Thickened abrasive bleaching compositions |
| DE3380356D1 (en) * | 1982-09-01 | 1989-09-14 | Unilever Nv | Abrasive agglomerates for use in scouring cleaning compositions |
| GB8328991D0 (en) * | 1983-10-31 | 1983-11-30 | Unilever Plc | Liquid scouring compositions |
| FR2564104B1 (fr) * | 1984-05-10 | 1986-11-28 | Saint Marc Lessives | Creme a recurer et procede pour sa preparation. |
| JPS61190599A (ja) * | 1985-02-18 | 1986-08-25 | 石原薬品株式会社 | 高圧スプレ−用車輌洗浄組成物 |
| GB8608429D0 (en) * | 1986-04-07 | 1986-05-14 | Unilever Plc | Liquid abrasive cleaner compositions |
| JPS6383200A (ja) * | 1986-09-29 | 1988-04-13 | 日本板硝子株式会社 | ガラス用洗浄剤 |
| JPH0273898A (ja) * | 1988-09-09 | 1990-03-13 | Dai Ichi Kogyo Seiyaku Co Ltd | 液状クレンザー |
| GB2228740A (en) * | 1989-03-03 | 1990-09-05 | Unilever Plc | Cleaning composition |
| CN1079505A (zh) * | 1992-06-05 | 1993-12-15 | 安徽电力建设第二工程公司 | 高效去污膏 |
-
1995
- 1995-03-27 FR FR9503662A patent/FR2732354B1/fr not_active Expired - Fee Related
-
1996
- 1996-03-21 DE DE69608552T patent/DE69608552T2/de not_active Expired - Fee Related
- 1996-03-21 AT AT96908165T patent/ATE193316T1/de not_active IP Right Cessation
- 1996-03-21 WO PCT/FR1996/000425 patent/WO1996030480A1/fr not_active Ceased
- 1996-03-21 ES ES96908165T patent/ES2148741T3/es not_active Expired - Lifetime
- 1996-03-21 EP EP96908165A patent/EP0817829B1/fr not_active Expired - Lifetime
- 1996-03-21 HU HU9801203A patent/HUP9801203A3/hu unknown
- 1996-03-21 PL PL96322469A patent/PL180357B1/pl unknown
- 1996-03-21 CZ CZ19973048A patent/CZ288007B6/cs not_active IP Right Cessation
- 1996-03-21 AU AU51501/96A patent/AU5150196A/en not_active Abandoned
Non-Patent Citations (1)
| Title |
|---|
| See references of WO9630480A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| HUP9801203A2 (hu) | 1998-08-28 |
| FR2732354B1 (fr) | 1997-05-30 |
| PL180357B1 (pl) | 2001-01-31 |
| EP0817829B1 (fr) | 2000-05-24 |
| PL322469A1 (en) | 1998-02-02 |
| DE69608552T2 (de) | 2001-02-15 |
| AU5150196A (en) | 1996-10-16 |
| WO1996030480A1 (fr) | 1996-10-03 |
| HUP9801203A3 (en) | 2000-11-28 |
| FR2732354A1 (fr) | 1996-10-04 |
| DE69608552D1 (de) | 2000-06-29 |
| CZ288007B6 (cs) | 2001-03-14 |
| ATE193316T1 (de) | 2000-06-15 |
| ES2148741T3 (es) | 2000-10-16 |
| CZ304897A3 (cs) | 1998-01-14 |
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