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. 07, 1989
Filed:
Jul. 18, 1988
Applicant:
Inventors:
Ken-ichi Ishiwata, Yokohama, JP;
Takeshi Nakamura, Zushi, JP;
Nobuyoshi Makiguchi, Fujisawa, JP;
Shoichiro Miyahara, Yokohama, JP;
Toshio Matsumoto, Oomuta, JP;
Kazunari Nitta, Oomuta, JP;
Assignee:
Mitsui Toatsu Chemicals, Inc., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07B / ;
U.S. Cl.
CPC ...
562401 ; 562567 ;
Abstract
Optically active serine can be racemized at a high reaction rate under the relatively mild conditions by treating the optically active serine in an alkaline solution in the presence of pyridoxal phosphate or salicylaldehyde and an alkaline compound.
Ishiwata, Ken-ichi. (1989). Method for racemization of optically active serine (U.S. Patent No. 4879411). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4879411
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