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:
Mar. 02, 1976
Filed:
Jul. 29, 1974
Applicant:
Inventors:
Gunter Bison, Troisdorf-Sieglar, DT;
Hans Schubel, Munich-Waldperlach, DT;
Gerhard Schmeling, Cologne, DT;
Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
260349 ; 260399 ;
Abstract
L(+)- or D(-)-.alpha.-azidophenylacetic acid is produced by a process which involves the steps of reacting a water-soluble salt of DL-.alpha.-azidophenylacetic acid with a water-soluble salt of an optically active .alpha.-phenylethylamine in an aqueous medium, effecting crystallization of the resulting reaction product, that is, the diastereomeric salt, and splitting of the thus-obtained salt.