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:
Aug. 30, 1983
Filed:
Jan. 05, 1982
Applicant:
Inventors:
Ichiro Chibata, Suita, JP;
Shigeki Yamada, Toyonaka, JP;
Chikara Hongo, Osaka, JP;
Ryuzo Yoshioka, Kaizuka, JP;
Assignee:
Tanabe Seiyaku Co., Ltd., Osaka, JP;
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07D / ; C07D / ; C07D / ; C07B / ;
U.S. Cl.
CPC ...
548344 ; 548496 ; 548572 ; 562401 ;
Abstract
DL-.alpha.-amino acids or a salt thereof can be obtained by racemizing an optically active .alpha.-amino acid or a salt thereof in the presence of an aliphatic acid and an aldehyde.