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:
Apr. 14, 1981
Filed:
Jan. 02, 1980
Applicant:
Inventors:
Assignee:
Nikken Chemicals Co., Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
A61K / ; A61K / ; A61K / ;
U.S. Cl.
CPC ...
424 19 ; 424 22 ; 424 35 ; 424253 ;
Abstract
A Theophylline sustained release granule comprises 10 to 45 wt. % of Theophylline, 30 to 60 wt. % of a metal salt of higher fatty acid and 0.5 to 10 wt. % of ethyl cellulose at a ratio of 1:1 to 1:3 by weight of Theophylline to said metal salt of higher fatty acid. The Theophylline sustained release granule is effective for maintaining a suitable concentration of Theophylline in blood for a long time.