Dispersant system for automatic dish washing formulations
US11427790B2 · kind B2 · utility
0Cited by
3References
5Claims
0Family size
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Key dates
| Filing date | Mar 19, 2018 |
| Grant date | Aug 30, 2022 |
| Priority date | — |
| Expiry date | Jun 6, 2039 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC11D2111/18
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
An automatic dishwashing composition is provided, comprising: a dispersant polymer blend, comprising an acrylic acid homopolymer; and a copolymer of acrylic acid and a sulfonated monomer; wherein the dispersant polymer blend has a blend ratio of the acrylic acid homopolymer to the copolymer of 3:1 to 1:3; a surfactant; a builder; and optionally, an additive.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.