Leuco polymers as bluing agents in laundry care compositions
US10479961B2 · kind B2 · utility
6Cited by
6References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 1, 2017 |
| Grant date | Nov 19, 2019 |
| Priority date | — |
| Expiry date | Feb 20, 2038 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC11D2111/12
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A laundry care composition including at least one laundry care ingredient and at least one leuco polymer including a polymeric carbohydrate and a leuco moiety. The polymeric carbohydrate and the leuco moiety are covalently bound. Methods of making the leuco polymer, laundry care compositions comprising the leuco polymer and methods of treating textiles with such laundry care compositions.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.