Automatic dishwashing detergent with synergistic scale inhibition
US9896647B2 · kind B2 · utility
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11Claims
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Key dates
| Filing date | Aug 29, 2014 |
| Grant date | Feb 20, 2018 |
| Priority date | — |
| Expiry date | Sep 27, 2034 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC11D3/3769
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Described are automatic dishwashing detergents, comprising a builder, a surfactant, a polymer having sulfonic acid moieties, and a polymer having chelating moieties, wherein the polymer having chelating moieties comprises units derived from at least one carboxylic acid monomer, their salts or esters, an aminocarboxylate selected from iminodiacetic acid (IDA) and ethylenediamine triacetic acid (ED3A), and at least one glycidyl monomer selected from AGE, GA, GMA.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.