Method of stabilizing tretinoin
US5037655A · kind A · utility
6Cited by
6References
10Claims
0Family size
Inventor
Key dates
| Filing date | Apr 18, 1990 |
| Grant date | Aug 6, 1991 |
| Priority date | — |
| Expiry date | Apr 18, 2010 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K47/06
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A tretinoin-mineral oil-petrolatum product in which the ingredients are blended at about 90.degree. C., which product retains its therapeutic activity despite storage at ambient conditions without the need for an antioxidant.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.