Thermoplastic elastomeric copolymers and hair and skin care compositions containing the same
US5980878A · kind A · utility
20Cited by
8References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 1, 1997 |
| Grant date | Nov 9, 1999 |
| Priority date | — |
| Expiry date | Aug 1, 2017 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K2800/91
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The present invention relates to water or alcohol soluble or dispersible thermoplastic elastomeric copolymers and to cosmetic and pharmaceutical compositions containing these copolymers. This invention especially relates to copolymers useful for hair styling purposes, and to hair styling compositions containing these copolymers. This invention further relates to copolymers useful for providing cosmetic and pharmaceutical compositions for topical application to the skin. These topical skin care compositions are useful for delivereing and/or transdermally transporting active ingredients to or thorugh the skin.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.