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:
Jun. 13, 1995
Filed:
Feb. 10, 1994
Applicant:
Inventors:
Tadashi Takemoto, Kawasaki, JP;
Hideo Takeda, Kawasaki, JP;
Assignee:
Central Research Laboratories Ajinomoto Co., Inc., Kawasaki, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
560 38 ; 560171 ;
Abstract
A method for preparing an amino acid ester with sulfuric acid as the catalyst in high yield, in which a mixture of amino acid, sulfuric acid and an alcohol is heated while adding the alcohol as a liquid or gas to the reaction mixture and alcohol from the reaction mixture is distilled off.