CA2660332A1 - Coordinated metal compounds for reducing chromium - Google Patents
Coordinated metal compounds for reducing chromium Download PDFInfo
- Publication number
- CA2660332A1 CA2660332A1 CA002660332A CA2660332A CA2660332A1 CA 2660332 A1 CA2660332 A1 CA 2660332A1 CA 002660332 A CA002660332 A CA 002660332A CA 2660332 A CA2660332 A CA 2660332A CA 2660332 A1 CA2660332 A1 CA 2660332A1
- Authority
- CA
- Canada
- Prior art keywords
- cement
- chromium
- metal compound
- coordinated
- reducing
- 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.)
- Abandoned
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C1/00—Preparation of hydrocarbons from one or more compounds, none of them being a hydrocarbon
- C07C1/20—Preparation of hydrocarbons from one or more compounds, none of them being a hydrocarbon starting from organic compounds containing only oxygen atoms as heteroatoms
- C07C1/22—Preparation of hydrocarbons from one or more compounds, none of them being a hydrocarbon starting from organic compounds containing only oxygen atoms as heteroatoms by reduction
-
- 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
- C04B22/142—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
- 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
- C04B22/12—Acids or salts thereof containing halogen in the anion
-
- 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
- C04B24/00—Use of organic materials as active ingredients for mortars, concrete or artificial stone, e.g. plasticisers
- C04B24/12—Nitrogen containing compounds organic derivatives of hydrazine
-
- 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
- C04B24/00—Use of organic materials as active ingredients for mortars, concrete or artificial stone, e.g. plasticisers
- C04B24/12—Nitrogen containing compounds organic derivatives of hydrazine
- C04B24/121—Amines, polyamines
-
- 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
- C04B2103/0068—Ingredients with a function or property not provided for elsewhere in C04B2103/00
- C04B2103/0086—Chelating or complexing agents
-
- 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)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Inorganic Chemistry (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US83745406P | 2006-08-11 | 2006-08-11 | |
| US60/837,454 | 2006-08-11 | ||
| PCT/US2007/075602 WO2008021966A2 (en) | 2006-08-11 | 2007-08-09 | Coordinated metal compounds for reducing chromium |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA2660332A1 true CA2660332A1 (en) | 2008-02-21 |
Family
ID=38626438
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002660332A Abandoned CA2660332A1 (en) | 2006-08-11 | 2007-08-09 | Coordinated metal compounds for reducing chromium |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US7927418B2 (enExample) |
| EP (1) | EP1886979B1 (enExample) |
| JP (1) | JP5416584B2 (enExample) |
| KR (1) | KR101433135B1 (enExample) |
| BR (1) | BRPI0716441A2 (enExample) |
| CA (1) | CA2660332A1 (enExample) |
| MX (1) | MX2009001487A (enExample) |
| PL (1) | PL1886979T3 (enExample) |
| WO (1) | WO2008021966A2 (enExample) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2364281A4 (en) * | 2008-11-11 | 2015-12-23 | Afrisam South Africa Pty Ltd | ADDITIVES FOR REDUCING CR (VI) IN CEMENT, SLAG, MORTAR, CONCRETE, WASTE WATER AND MINING |
| CN102515622B (zh) * | 2011-12-07 | 2013-09-04 | 山东宏艺科技股份有限公司 | 水泥除铬助磨剂及其制备方法 |
| KR101713828B1 (ko) * | 2014-11-04 | 2017-03-10 | (주)에스엠테크 | 무시멘트 촉진형 혼화제 및 이를 포함하는 무시멘트 조성물 |
| CN104944853B (zh) * | 2015-05-29 | 2017-03-08 | 魏景欣 | 一种可集热的混泥土制备方法 |
| KR101832676B1 (ko) | 2017-11-10 | 2018-02-28 | 조병학 | 시멘트 첨가물 및 그 제조방법 |
| CN113307528A (zh) * | 2021-06-02 | 2021-08-27 | 龙蟒佰利联集团股份有限公司 | 一种水泥降铬剂及制备、使用方法 |
| CN115043611B (zh) * | 2021-09-16 | 2023-09-05 | 安徽成弘建新材料有限公司 | 一种中性抗高温液体水泥六价铬还原剂及其制备方法 |
| KR102671303B1 (ko) * | 2023-11-06 | 2024-05-31 | 아세아시멘트(주) | 6가크롬 저감형 시멘트 조성물 제조 방법 및 그 방법으로 제조된 6가크롬 저감형 시멘트 조성물 |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1988478A (en) * | 1932-07-18 | 1935-01-22 | Nat Carbon Co Inc | Filter medium and method of making the same |
| FR2485949A1 (fr) | 1980-07-01 | 1982-01-08 | Protex Manuf Prod Chimiq | Aides de broyage pour materiaux cristallins et plus particulierement pour liants hydrauliques, et methodes de broyage les utilisant |
| IS1443B6 (is) | 1980-12-17 | 1990-12-14 | Aalborg Portland A/S | thurr sementsblanda |
| US4401472A (en) | 1982-02-26 | 1983-08-30 | Martin Marietta Corporation | Hydraulic cement mixes and processes for improving hydraulic cement mixes |
| DD224840A1 (de) * | 1983-10-19 | 1985-07-17 | Karsdorf Zementwerke | Verfahren zur herstellung eines zementgemisches |
| US4959135A (en) * | 1987-02-25 | 1990-09-25 | Aquanautics Corporation | Polyalkylamine complexes for ligand extraction and generation |
| US5084103A (en) | 1989-10-06 | 1992-01-28 | W. R. Grace & Co.-Conn. | Strength enhancing additive for certain portland cements |
| JPH06100343A (ja) | 1992-09-18 | 1994-04-12 | Nippon Solid Co Ltd | セメント添加組成物 |
| WO1998054108A1 (en) | 1997-05-26 | 1998-12-03 | Konstantin Sobolev | Complex admixture and method of cement based materials production |
| TW416937B (en) | 1997-10-01 | 2001-01-01 | Grace W R & Co | Improved processing additives for hydraulic cements |
| US6767399B2 (en) | 2002-01-08 | 2004-07-27 | The Euclid Chemical Company | Admixture for producing cementitious compositions having good fluidity and high early compressive strength |
| JP4084072B2 (ja) * | 2002-04-12 | 2008-04-30 | ミヨシ油脂株式会社 | セメント添加剤、セメント組成物及び廃棄物処理方法 |
| US7128782B2 (en) * | 2003-11-21 | 2006-10-31 | W.R. Grace & Co.-Conn. | Sulfate dispersion chromate reducer |
| CN100441533C (zh) * | 2004-02-04 | 2008-12-10 | 格雷斯公司 | 一种减少水泥组合物中六价铬的方法 |
-
2007
- 2007-06-18 PL PL07110479T patent/PL1886979T3/pl unknown
- 2007-06-18 EP EP07110479A patent/EP1886979B1/en not_active Not-in-force
- 2007-08-09 CA CA002660332A patent/CA2660332A1/en not_active Abandoned
- 2007-08-09 US US12/376,919 patent/US7927418B2/en not_active Expired - Fee Related
- 2007-08-09 KR KR1020097002589A patent/KR101433135B1/ko not_active Expired - Fee Related
- 2007-08-09 WO PCT/US2007/075602 patent/WO2008021966A2/en not_active Ceased
- 2007-08-09 MX MX2009001487A patent/MX2009001487A/es unknown
- 2007-08-09 JP JP2009524740A patent/JP5416584B2/ja not_active Expired - Fee Related
- 2007-08-09 BR BRPI0716441-6A2A patent/BRPI0716441A2/pt not_active Application Discontinuation
Also Published As
| Publication number | Publication date |
|---|---|
| KR20090054961A (ko) | 2009-06-01 |
| WO2008021966A3 (en) | 2008-05-02 |
| EP1886979A3 (en) | 2011-01-19 |
| MX2009001487A (es) | 2009-03-25 |
| EP1886979B1 (en) | 2012-09-26 |
| US20100162925A1 (en) | 2010-07-01 |
| PL1886979T3 (pl) | 2013-02-28 |
| KR101433135B1 (ko) | 2014-08-22 |
| US7927418B2 (en) | 2011-04-19 |
| WO2008021966A2 (en) | 2008-02-21 |
| EP1886979A2 (en) | 2008-02-13 |
| JP5416584B2 (ja) | 2014-02-12 |
| BRPI0716441A2 (pt) | 2014-03-11 |
| JP2010500281A (ja) | 2010-01-07 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FZDE | Discontinued |