Polymeric castor polyester quaternary compounds based upon dimer acid
US6972123B1 · kind B1 · utility
2Cited by
1References
12Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 24, 2002 |
| Grant date | Dec 6, 2005 |
| Priority date | — |
| Expiry date | Apr 23, 2024 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G63/6858
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The present invention deals with the certain castor polyesters that give high gloss when applied to the skin. Said 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, in this case dimer acid.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.