Composition for a topical preparation and a process for producing the same
US4008321A · kind A · utility
13Cited by
3References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 8, 1975 |
| Grant date | Feb 15, 1977 |
| Priority date | — |
| Expiry date | Dec 8, 1995 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61P5/38
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A composition for a topical preparation which comprises a steroid, crotamiton, propylene glycol and a carboxyvinyl polymer in an aqueous medium, said composition having been neutralized with an organic amine, and a process for producing the same which comprises adding a mixed solution of crotamiton and propylene glycol containing a steroid to an aqueous solution of a carboxyvinyl polymer, followed by neutralizing the resultant solution with an organic amine while stirring, to give a transparent, gelatinous topical composition.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.