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:
May. 04, 1982
Filed:
Nov. 26, 1979
Applicant:
Inventors:
Assignee:
Asahi Kasei Kogyo Kabushiki Kaisha, Osaka, JP;
Primary Examiner:
Int. Cl.
CPC ...
C12N / ;
U.S. Cl.
CPC ...
435212 ; 435240 ;
Abstract
In the production of plasminogen activator from animal cells in a nutrient solution, the addition of a large amount of fumaric acid, malic acid, succinic acid, and/or glycolic acid to the nutrient solution brings about a 30 to 180% increase in the amount of plasminogen activator produced.