Phosphated castor oil and derivatives
US6528667B2 · kind B2 · utility
1Cited by
2References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 14, 2001 |
| Grant date | Mar 4, 2003 |
| Priority date | — |
| Expiry date | Jul 5, 2021 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K2800/43
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The present invention relates to phosphated derivatives of castor oil and hydrogenated castor oil as well as phosphated esters of ricinoleic acid. The inclusion of the phosphate group results in improved water solubility and a series of dispersants and emulsifiers that provide excellent pigment dispersing properties.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.