Base composition for medicament and pharmaceutical composition for external medication
US4594243A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jul 25, 1984 |
| Grant date | Jun 10, 1986 |
| Priority date | — |
| Expiry date | Jul 25, 2004 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K47/22
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A composition capable of promoting the skin permation or percutaneous absorption of a medicament, which comprises at least one adjuvant selected from the group consisting of a saturated hydrocarbon containing 5 to 20 carbon atoms which may be substituted by halogen, an alcohol ester of aliphatic carboxylic acid containing 12 to 18 carbon atoms, an ether, a dimethylpolysiloxane having a viscosity at 25.degree. C. of not more than 6 centistokes and a cyclic polydimethylsiloxane having a viscosity at 25.degree. C. of not more than 6 centistokes, and an imidazolidinone derivative represented by the general formula: ##STR1## wherein R.sub.1 and R.sub.2 each are a lower alkyl group; and pharmaceutical composition for external medication.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.