Detergent formulation containing mixed-charge polymers and nonionic surfactant
US11118142B2 · kind B2 · utility
0Cited by
10References
5Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Jun 20, 2018 |
| Grant date | Sep 14, 2021 |
| Priority date | — |
| Expiry date | Nov 1, 2038 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC11D2111/14
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A detergent formulation comprises 0.5 to 10 weight-percent mixed-charge polymer and one to 10 weight-percent nonionic surfactant, where weight-percent is relative to total detergent formulation weight, and wherein the mixed-charge polymer comprises quaternary ammonium groups and carboxylate groups extending as pendant side groups from the polymer backbone.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.