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. 22, 1986
Filed:
Oct. 31, 1983
Applicant:
Inventors:
Malcolm A Finkelman, Gaithersburg, MD (US);
Huei-Hsuing Yang, Rockville, MD (US);
Assignee:
Genex Corporation, Rockville, MD (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C12N / ; C12P / ;
U.S. Cl.
CPC ...
435232 ; 435108 ; 435801 ;
Abstract
A method for the production of the enzyme, phenylalanine ammonia-lyase (PAL), by fermentation, wherein the stability and useful life of the enzyme are improved by maintaining PAL-containing media in substantially anaerobic, static conditions. is useful for catalyzing the conversion of t-cinnamic acid and ammonia to L-phenylalanine.