Softgel-compatible composition containing retinol
US6228894A · kind A · utility
5Cited by
17References
38Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Mar 19, 1999 |
| Grant date | May 8, 2001 |
| Priority date | — |
| Expiry date | Mar 19, 2019 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61P17/00
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A softgel-compatible composition containing retinol comprises retinol-impregnated microparticles. The composition may include an optionally thickened silicone oil, or may include an emulsion comprising a silicone oil. Ascorbic acid may be present as ascorbic acid-impregnated microparticles and/or within the emulsion. Such compositions are compatible with softgels, and may also be used in other dispensing containers, such as sachets, tubes, and airless pumps.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.