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. 12, 1993
Filed:
May. 29, 1991
Applicant:
Inventors:
Kenzo Yokozeki, Kawasaki, JP;
Naoki Usui, Kawasaki, JP;
Toshihide Yukawa, Kawasaki, JP;
Yoshiteru Hirose, Kawasaki, JP;
Koji Kubota, Kawasaki, JP;
Assignee:
Ajinomoto Co., Inc., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
C02P / ; C02P / ; C02P / ; C12N / ;
U.S. Cl.
CPC ...
435 712 ; 435 681 ; 435117 ; 435227 ; 435231 ; 435170 ; 435822 ; 435121 ; 426548 ;
Abstract
The present invention is directed to a process for producing L-aspartyl-L-phenylalanine and/or L-aspartyl-L-phenylalanine diketopiperazine comprising contacting and reacting a culture, cell or a cell-treated product of a microorganism capable of hydrolyzing DKP into AP or capable of performing intramolecular condensation of AP into DKP with DKP and/or AP, in an aqueous medium.