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:
Mar. 19, 1996
Filed:
Mar. 18, 1994
Applicant:
Inventors:
Masami Murata, Narita, JP;
Harumi Kishi, Kashiwa, JP;
Takashi Narui, Sakura, JP;
Shuichi Kasai, Narita, JP;
Akira Iwasa, Yotsukaido, JP;
Assignee:
SS Pharmaceutical Co., Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
A61K / ; A61K / ; A61K / ;
U.S. Cl.
CPC ...
424436 ; 424451 ; 424456 ; 424489 ; 424D / ; 514963 ; 514966 ;
Abstract
The present invention relates to a sustained-release suppository preparation characterized by comprising an acidic drug or a salt thereof which can be absorbed by rectal administration and an acidic compound or a pH buffering agent. The sustained-release suppository preparation of the present invention exhibits no rapid increase in blood concentration immediately after the administration and maintains its action for a long period of time. Thus, it is safer and exhibits a better therapeutic effect.