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. 07, 1987
Filed:
Nov. 26, 1984
Applicant:
Inventors:
Kazuaki Kitano, Sakai, JP;
Shigeru Fujimoto, Ikeda, JP;
Assignee:
Takeda Chemical Industries, Ltd., Osaka, JP;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C12P / ;
U.S. Cl.
CPC ...
435 68 ; 424 85 ;
Abstract
A method for producing high yields of interferons which comprises cultivating a microorganism carrying an expression vector with a structural gene of interferon inserted therein in a chemically defined medium containing L-glutamic acid and an iron ion source and preferably further containing an zinc ion source or zinc and copper ion sources, and recovering interferon from the culture.