Polymeric castor polyester quaternary compounds
US6521220B2 · kind B2 · utility
0Cited by
2References
12Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 7, 2001 |
| Grant date | Feb 18, 2003 |
| Priority date | — |
| Expiry date | Aug 1, 2021 |
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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.