Hair care compositions
US6749836B1 · kind B1 · utility
10Cited by
18References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 23, 2000 |
| Grant date | Jun 15, 2004 |
| Priority date | — |
| Expiry date | Dec 19, 2021 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G63/6886
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A latex composition for hair care containing a spray-dried hybrid-graft copolymer of a sulfopolyester and an acid-functional polymer segment. The acid-functional polymer segment is formed from at least one acid-functional monomer, at least one ethylenically unsaturated monomer, and at least one amide-containing monomer. Such compositions exhibit superior curl retention even at high humidity.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.