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. 03, 1979
Filed:
Mar. 06, 1978
Applicant:
Inventors:
Yasuo Bai, Sakai, JP;
Hideki Yanagi, Toyonaka, JP;
Junichi Yoshikawa, Nishinomiya, JP;
Shigeo Ogino, Nishinomiya, JP;
Assignee:
Sumitomo Chemical Company Limited, Osaka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07G / ;
U.S. Cl.
CPC ...
195 / ; 195 62 ; 210 24 ;
Abstract
A process for purifying urokinase which comprises contacting a crude aqueous solution of urokinase with an ionic pullulan gel and thereafter separating and recovering an aqueous solution of urokinase devoid of harmful impurities.