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:
Dec. 28, 1999
Filed:
May. 01, 1998
Applicant:
Inventors:
Shin-ichi Ishikawa, Tokyo, JP;
Mine Higuchi, Tokyo, JP;
Assignee:
Seikagaku Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K / ; A61K / ; C12N / ;
U.S. Cl.
CPC ...
424 9462 ; 424 9461 ; 435201 ;
Abstract
This invention provides pharmaceutical compositions containing chondroitinase wherein a decrease in enzyme activity is very little even after long-term storage, and the pharmaceutical compositions are characterized in that they contain chondroitinase and a pharmaceutical carrier, and that an amount of reducing impurities per 1 g of said pharmaceutical carrier is 0.4 mL or less as a titer by a titration method with 0.01 N of ammonium ceric nitrate.