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:
May. 19, 1987
Filed:
Mar. 04, 1985
Applicant:
Inventors:
Kenzo Yokozeki, Kawasaki, JP;
Eiji Majima, Kawasaki, JP;
Yoshiteru Hirose, Kamakura, JP;
Takeru Sato, Kawasaki, JP;
Toshihide Yukawa, Yokohama, JP;
Assignee:
Ajinomoto Co., Inc., Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C12P / ; C12N / ; C12N / ; C12N / ;
U.S. Cl.
CPC ...
435 70 ; 435253 ; 435254 ; 435255 ; 435256 ;
Abstract
A process for producing L-aspartyl-L-phenylalanine alkyl or aryl esters wherein L-aspartic acid and L-phenylalanine which is esterified with an alkyl group having at least two carbon atoms, an aryl group or an aralkyl group, are contacted in an aqueous medium with particular microorganisms or enzyme fractions from these microorganisms and the condensed product crystallizes out due to insolubility in the aqueous medium.