Polymer for cleaning boosting
US12129452B2 · kind B2 · utility
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10Claims
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Key dates
| Filing date | May 28, 2020 |
| Grant date | Oct 29, 2024 |
| Priority date | — |
| Expiry date | Jul 11, 2041 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC11D2111/12
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A liquid laundry additive is provided, comprising a cleaning booster polymer having structural units of a monoethylenically unsaturated carboxylic acid monomer; structural units of an ethylenically unsaturated monomer of formula (I) wherein x is an average of 0 to 20, wherein y is an average of 0 to 30 and wherein x+y is at least 1; and, optionally, structural units of an ethylenically unsaturated monomer of formula (II) wherein R1 is independently selected from a —C1-4 alkyl, and wherein R2 is independently selected from H and methyl.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.