Self-emulsifying and/or emollient agents
US5578642A · kind A · utility
0Cited by
9References
22Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 17, 1994 |
| Grant date | Nov 26, 1996 |
| Priority date | — |
| Expiry date | Aug 17, 2014 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S516/918
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
There is provided a composition and process for preparing self-emulsifying or emollient agents comprising reacting from about 1 mole of azelaic acid with from about 1 to about 1.25 moles of a C12-18 fatty alcohol to form an azelaic acid monoester having the general formula I-IV: ##STR1## wherein R is a C12-18 fatty alcohol, and the product contains from about 40 to about 50 weight percent of (I), from about 50 to about 60 weight percent of (II), from about 1 to about 2 weight percent of (III), and from about 0 to about 1 weight percent of (IV), all weights being based on the weight of said self-emulsifying or emollient agent.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.