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. 06, 1986
Filed:
Aug. 03, 1983
Applicant:
Inventors:
Assignee:
Toyo Soda Manufacturing Co., Ltd., Shinnanyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C12P / ; C12P / ; C12N / ; C12R / ;
U.S. Cl.
CPC ...
435 70 ; 435 68 ; 435220 ; 435874 ; 435877 ; 435253 ;
Abstract
.alpha.-L-aspartylphenylalanine lower alkyl esters are prepared by a process wherein fumaric acid, ammonia and a lower alkyl ester of L-phenylalanine are contacted with a culture or treated culture of a microorganism belonging to the genus Pseudomonas, and being capable of producing a .alpha.-L-aspartyl-L-phenylalanine lower alkyl ester from fumaric acid, ammonia and a lower alkyl ester of L-phenylalanine.