Patent · US Expired

Pharmaceutical composition

US5118508A · kind A · utility

34Cited by
5References
18Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 7, 1991
Grant dateJun 2, 1992
Priority date
Expiry dateFeb 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.