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:
Feb. 21, 1995
Filed:
Jul. 30, 1993
Applicant:
Inventors:
Tadashi Takemoto, Kawasaki, JP;
Shinji Fujita, Yokkaichi, JP;
Assignee:
Ajinomoto Co., Inc., Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
560 41 ;
Abstract
A method is disclosed for the production of .alpha.-APM.HCl by treating an F-.alpha.-AP derivative with a mixed solvent of methanol, hydrochloric acid and water, wherein the solubility of .alpha.-APM.HCl is lowered to increase the separation yield thereof.
Quick Actions:
Takemoto, Tadashi. (1995). Method for the production of .alpha.-l-aspartyl-l-phenylalanine methyl (U.S. Patent No. 5391809). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5391809
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