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. 24, 1991
Filed:
Apr. 20, 1990
Applicant:
Inventors:
Kazuo Morimoto, Fukuchiyama, JP;
Motoshi Sagane, Joyo, JP;
Kazuhiro Ohara, Fukuchiyama, JP;
Shusaku Narita, Fukuchiyama, JP;
Assignee:
The Green Cross Corporation, Osaka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C12N / ; C12N / ;
U.S. Cl.
CPC ...
435188 ; 435212 ; 435215 ;
Abstract
A plasminogen activator precursor obtainable from a serum-free culture fluid of human kidney cells is stabilized by adding to its solution poly-C1-C5-alkylene glycols, polyethylene-polyoxypropylene copolymers, mandelic acid salts, triethanolamine, acid addition salts of acetylglycillysine methyl ester, guanidine salts, thiocyanic acid salts, alkali metal iodides or serine.