Zinc salt of all-trans-retinoic acid for the treatment of acne
US4214000A · kind A · utility
111Cited by
6References
29Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 30, 1978 |
| Grant date | Jul 22, 1980 |
| Priority date | — |
| Expiry date | Oct 30, 1998 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C2601/16
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A zinc salt of retinoic acid has been prepared and found to have significant anti-acne activity, similar to that of retinoic acid, but with less of a tendency to cause flaking or irritation at anti-acne effective concentrations.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.