Benzoyl peroxide and quaternary ammonium based pharmaceutical and cosmetic compositions
US4960772A · kind A · utility
34Cited by
17References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 23, 1989 |
| Grant date | Oct 2, 1990 |
| Priority date | — |
| Expiry date | Feb 23, 2009 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61P17/00
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A pharmaceutical and cosmetic composition for topical application comprises in a physiologically acceptable medium a combination of benzoyl peroxide and a quaternary ammonium salt selected from a quaternary ammonium alkyl sulfate of sulfonate, an aryl sulfonate and an alkyl aryl sulfonate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.