Polyoxyethylene-polyoxypropylene vitamin E and process for preparation thereof
US7144919B1 · kind B1 · utility
4Cited by
5References
8Claims
0Family size
Inventors
Key dates
| Filing date | Aug 23, 2000 |
| Grant date | Dec 5, 2006 |
| Priority date | — |
| Expiry date | Feb 13, 2022 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K47/60
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The present invention relates to polyoxyethylene-polyoxypropylene (POE-POP) vitamin E, which is prepared from vitamin E by polyethoxylation and polypropoxylation, and a method for preparing the same. The POE-POP vitamin E has a high surface activity and an excellent safety for the skin, so that the POE-POP vitamin E can be advantageously used in the cosmetic industry, the food industry and the medical industry.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.