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:
Jul. 10, 1984
Filed:
Mar. 05, 1982
Applicant:
Inventors:
Masaharu Doya, Niigata, JP;
Takako Uchiyama, Niigata, JP;
Assignee:
Mitsubishi Gas Chemical Company, Inc., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
562559 ; 562443 ; 562444 ; 562445 ; 562507 ; 562556 ; 562557 ; 562560 ; 562561 ; 562562 ; 562563 ; 562567 ; 562570 ; 562571 ; 562573 ; 562575 ;
Abstract
A process for producing efficiently and economically without using strong acids nor strong bases, .alpha.-amino acids from .alpha.-amino acid amides by hydrolyzing .alpha.-amino acid amides in an aqueous medium in the presence of ammonia. If necessary, the resultant hydrolyzate liquid from which .alpha.-amino acid has been removed may be reused.