Polymeric castor polyesters
US6342527B1 · kind B1 · utility
5Cited by
10References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 11, 2001 |
| Grant date | Jan 29, 2002 |
| Priority date | — |
| Expiry date | May 11, 2021 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G63/48
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
The present invention deals with the certain castor polyesters which give high gloss when applied to the skin. The ester are the reaction of the hydroxyl group of castor oil with less than one equivalent of a fatty acid then in a subsequently step the remainder of an equivalent of a diacid.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.