The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 02, 1992
Filed:
Feb. 07, 1991
Applicant:
Inventors:
Yoshiaki Kikuchi, Tokyo, JP;
Takashi Osada, Tokyo, JP;
Assignee:
Showa Yakuhin Kako Co., Ltd., Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61F / ;
U.S. Cl.
CPC ...
424448 ; 424449 ; 424447 ;
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.