Aminocarboxylic builder particle
US8357650B2 · kind B2 · utility
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42References
7Claims
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Key dates
| Filing date | Apr 18, 2011 |
| Grant date | Jan 22, 2013 |
| Priority date | — |
| Expiry date | May 25, 2031 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC11D7/265
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A particle comprising an aminocarboxylic builder and sulphate or citrate wherein the aminocarboxylic builder and the sulphate or citrate are present in a weight ratio of from about 6:1 to about 1:1.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.