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. 20, 1981
Filed:
Mar. 08, 1979
Applicant:
Inventors:
Wataro Koike, Shizuoka, JP;
Masami Takayama, Shimizu, JP;
Hideaki Ohashi, Fujieda, JP;
Chihiro Yazawa, Yokohama, JP;
Assignee:
Ihara Chemical Industry Co., Limited, Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C / ; C08G / ;
U.S. Cl.
CPC ...
560 47 ; 528 85 ; 560 22 ;
Abstract
4-Chloro-3,5-diaminophenyl acetates having the formula ##STR1## wherein R represents an alkyl group are useful as curing agent for polyurethane elastomer and intermediates for pharmaceutical and agrochemical compounds and are produced by simultaneously nitrating hydrolyzing 4-chlorobenzylcyanide and esterifying the resulting 4-chloro-3,5-dinitrophenyl acetic acid and then reducing the resulting ester.