Pharmaceutical composition
US5118508A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Feb 7, 1991 |
| Grant date | Jun 2, 1992 |
| Priority date | — |
| Expiry date | Feb 7, 2011 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K9/7084
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The present invention relates to a pharmaceutical composition in a form of a film. The composition comprises (a) a butyrophenone compound and (b) a vehicle comprising polyvinyl acetal diethylaminoacetate and polyvinyl pyrrolidone. The ratio of the compound to the vehicle is from 1% to 80% by weight based on the total weight of the vehicle and the ratio by weight of polyvinyl acetal diethylaminoacetate and polyvinyl pyrrolidone is from 1:9 to 9:1. The pharmaceutical composition can be applied to the skin of a patient for a long time and maintain a therapeutically effective blood level of the butyrophenone.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.