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.

Date of Patent:
Dec. 17, 1985

Filed:

Oct. 17, 1983
Applicant:
Inventor:

Thomas R Hopkins, Bartlesville, OK (US);

Assignee:

Phillips Petroleum Company, Bartlesville, OK (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07K / ; A23L / ; C12N / ;
U.S. Cl.
CPC ...
435272 ; 426 60 ; 435 69 ; 435222 ; 435255 ; 435256 ; 435267 ; 435938 ;
Abstract

Functional protein having reduced nucleic acid content is produced without initial denaturation of the protein by contacting undenatured yeast cells with an alkaline protease at a temperature of about 20.degree. C. to 40.degree. C. for about 2 minutes to 2 hours at a pH of about 8 to 11. The yeast cells are preferably Pichia pastoris and the alkaline protease is preferably from Bacillus lichenformis.


Find Patent Forward Citations

Hopkins, Thomas. (1985). Treatment of yeast cells with proteolytic enzymes (U.S. Patent No. 4559307). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4559307

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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