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:
Jan. 16, 1990
Filed:
Apr. 06, 1987
Applicant:
Inventors:
Arie Ben-Bassat, Walnut Creek, CA (US);
Glenn Dorin, San Rafael, CA (US);
Keith Bauer, Oakland, CA (US);
Assignee:
Cetus Corporation, Emeryville, CA (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C12P / ; C12N / ; C12N / ; C12N / ;
U.S. Cl.
CPC ...
435 691 ; 435244 ; 435247 ; 43525233 ; 4351723 ; 435 695 ; 435 6951 ; 435 6952 ; 935 38 ;
Abstract
A method for improving the yield of heterologous protein such as ricin A toxin, produced by recombinant bacteria by supplementing the nutrient medium in which the bacteria are grown with an ethanol and/or amino acid mixture during the terminal phase of the cultivation. Also disclosed is a method for improving the yield of heterologous proteins under the control of the PL promoter.