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:
Nov. 03, 1981
Filed:
Jun. 19, 1980
Applicant:
Inventors:
Assignee:
Nippon Zeon Co. Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08K / ; C08K / ; C07C / ; C07C / ;
U.S. Cl.
CPC ...
260 / ; 526288 ; 526310 ; 526312 ; 564 92 ; 564 95 ; 564433 ; 564434 ;
Abstract
A diphenylamine derivative of the general formula ##STR1## wherein R represents a hydrogen atom or a methyl group, R.sub.1 and R.sub.2, independently from each other, represent a hydrogen atom, a chlorine atom, a bromine atom, or a hydrocarbon radical having 1 to 12 carbon atoms, and A represents ##STR2## and a degradation inhibitor for rubbery polymers comprising the aforesaid diphenylamine derivative as an active ingredient.