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:
Jan. 11, 1977
Filed:
Oct. 22, 1974
Applicant:
Inventors:
Assignee:
Nippon Kayaku Kabushiki Kaisha, Tokyo, JA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ; C07C / ; C07C / ; C07C / ;
U.S. Cl.
CPC ...
2604 / ; 260463 ; 260477 ; 2604 / ; 26050111 ; 260519 ;
Abstract
Optically active p-hydroxyphenylglycine is prepared by reacting a racemic compound of a specified p-hydroxyphenylglycine derivative with optically active .alpha.-phenylethylamine to form a corresponding salt, obtaining two types of optically active salts therefrom by fractional crystallization, and obtaining optically active p-hydroxyphenylglycine by decomposition and hydrolysis of at least one of the optically active salts.
Quick Actions:
Shirai, Tadashi. (1977). Process for the preparation of optically active p-hydroxyphenylglycine (U.S. Patent No. 4002666). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4002666
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile