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:
Nov. 15, 1988
Filed:
Jun. 15, 1987
Applicant:
Inventors:
Chikamasa Yamashita, Tokushima, JP;
Kouzo Ishida, Tokushima, JP;
Gohachiro Miyamoto, Tokushima, JP;
Muneyoshi Ishikawa, Tokushima, JP;
Assignee:
Otsuka Pharmaceutical Co., Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
A61F / ;
U.S. Cl.
CPC ...
424436 ; 424422 ; 424426 ; 424423 ; 424D / ;
Abstract
A pharmaceutical composition for suppository which comprises buprenorphine or its pharmaceutically acceptable acid addition salt as the active ingredient and a mixed base composed of 70 to 95 wt. % of polyethylene glycol with average molecular weight of 200 to 20,000 and 30 to 5 wt. % of propylene glycol.
Yamashita, Chikamasa. (1988). Pharmaceutical compositions and suppository (U.S. Patent No. 4784855). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4784855
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile