ATE354553T1 - Verfahren zur herstellung von chromatreduziertem zement - Google Patents
Verfahren zur herstellung von chromatreduziertem zementInfo
- Publication number
- ATE354553T1 ATE354553T1 AT04425201T AT04425201T ATE354553T1 AT E354553 T1 ATE354553 T1 AT E354553T1 AT 04425201 T AT04425201 T AT 04425201T AT 04425201 T AT04425201 T AT 04425201T AT E354553 T1 ATE354553 T1 AT E354553T1
- Authority
- AT
- Austria
- Prior art keywords
- cement
- reduced cement
- producing
- producing chromate
- chromate
- Prior art date
Links
- 239000004568 cement Substances 0.000 title abstract 3
- 238000004519 manufacturing process Methods 0.000 title 1
- 229910052751 metal Inorganic materials 0.000 abstract 2
- 239000002184 metal Substances 0.000 abstract 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 abstract 1
- JOPOVCBBYLSVDA-UHFFFAOYSA-N chromium(6+) Chemical compound [Cr+6] JOPOVCBBYLSVDA-UHFFFAOYSA-N 0.000 abstract 1
- 229920001021 polysulfide Polymers 0.000 abstract 1
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
- C04B22/00—Use of inorganic materials as active ingredients for mortars, concrete or artificial stone, e.g. accelerators or shrinkage compensating agents
- C04B22/08—Acids or salts thereof
- C04B22/14—Acids or salts thereof containing sulfur in the anion, e.g. sulfides
-
- 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
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/02—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
-
- 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
- C04B2103/00—Function or property of ingredients for mortars, concrete or artificial stone
- C04B2103/52—Grinding aids; Additives added during grinding
-
- 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
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/10—Compositions or ingredients thereof characterised by the absence or the very low content of a specific material
- C04B2111/1075—Chromium-free or very low chromium-content materials
- C04B2111/1081—Chromium VI, e.g. for avoiding chromium eczema
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP04425201A EP1580174B1 (de) | 2004-03-23 | 2004-03-23 | Verfahren zur Herstellung von chromatreduziertem Zement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ATE354553T1 true ATE354553T1 (de) | 2007-03-15 |
Family
ID=34854749
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT04425201T ATE354553T1 (de) | 2004-03-23 | 2004-03-23 | Verfahren zur herstellung von chromatreduziertem zement |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP1580174B1 (de) |
| AT (1) | ATE354553T1 (de) |
| DE (1) | DE602004004870D1 (de) |
| ES (1) | ES2282834T3 (de) |
| WO (1) | WO2005090258A1 (de) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ES2251879B1 (es) * | 2004-10-26 | 2007-07-01 | Consejo Superior Investig. Cientificas | Aditivo reductor de cromo hexavalente presente en matrices cementantes. |
| ITMI20120764A1 (it) | 2012-05-07 | 2013-11-08 | Mapei Spa | Additivo per cemento portland costituito da un riducente incapsulato in una matrice polimerica |
| FR3075786B1 (fr) * | 2017-12-22 | 2024-04-19 | Saint Gobain Ct Recherches | Produit contenant de l’oxyde de chrome 3 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2962467A (en) * | 1959-05-05 | 1960-11-29 | Tile Council Of America | Cement compositions |
| US4193811A (en) * | 1978-08-31 | 1980-03-18 | Chevron Research Company | Concrete composition |
| DK93690D0 (da) * | 1990-04-11 | 1990-04-11 | Aalborg Portland Cement | Cementkomposition |
| JPH10236856A (ja) * | 1997-02-26 | 1998-09-08 | Nippon Solid Co Ltd | セメント添加組成物及び該セメント添加組成物を 用いたセメントの固化方法 |
| JPH11343162A (ja) * | 1998-03-30 | 1999-12-14 | Taiheiyo Cement Corp | 水硬性組成物及びその製造方法 |
-
2004
- 2004-03-23 EP EP04425201A patent/EP1580174B1/de not_active Expired - Lifetime
- 2004-03-23 ES ES04425201T patent/ES2282834T3/es not_active Expired - Lifetime
- 2004-03-23 AT AT04425201T patent/ATE354553T1/de not_active IP Right Cessation
- 2004-03-23 DE DE602004004870T patent/DE602004004870D1/de not_active Expired - Fee Related
-
2005
- 2005-03-16 WO PCT/EP2005/002772 patent/WO2005090258A1/en not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| DE602004004870D1 (de) | 2007-04-05 |
| WO2005090258A1 (en) | 2005-09-29 |
| EP1580174A1 (de) | 2005-09-28 |
| WO2005090258A8 (en) | 2006-12-07 |
| EP1580174B1 (de) | 2007-02-21 |
| ES2282834T3 (es) | 2007-10-16 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |