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:
Nov. 26, 1991
Filed:
Mar. 28, 1989
Applicant:
Inventors:
Mamoru Takeichi, Chiba, JP;
Naoshi Hagihara, Chiba, JP;
Hitoshi Tarukawa, Chiba, JP;
Shinichirou Tawaki, Chiba, JP;
Nobuyoshi Makiguchi, Kanagawa, JP;
Assignee:
Mitsui Toatsu Chemicals, Inc., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C12P / ; C12P / ; C12P / ; C12N / ;
U.S. Cl.
CPC ...
435106 ; 435113 ; 435116 ; 435115 ; 435108 ; 435280 ; 435255 ;
Abstract
The 5-substituted hydantoins represented below can be transformed into D-.alpha.-amino acids by the use of the cultured broth, cells or treated cells of the genus Hansenula: 5-substituted hydantoins: ##STR1## wherein R represents an alkyl, substituted alkyl, phenyl or substituted phenyl group. D-.alpha.-amino acids: ##STR2## wherein R represents the same meanings as above.