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. 06, 1976
Filed:
Aug. 29, 1974
Applicant:
Inventors:
Guy Rabilloud, Grenoble, FR;
Bernard Sillion, Grenoble, FR;
Assignee:
Institut Francais du Petrole, des Carburants et Lubrifiants, Rueil-Malmaison, FR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08G / ;
U.S. Cl.
CPC ...
260 / ; 260 / ; 260 / ; 260 / ; 260 49 ; 260 / ; 260 / ; 260 76 ; 2602 / ; 2604 / ; 260835 ; 260836 ; 428417 ; 526 29 ;
Abstract
The invention concerns new aromatic polyamine compositions useful as hardening agents containing a major proportion of polyamines of the formula: ##EQU1## IN WHICH Ar and Ar' are divalent aromatic radicals having from 1 to 6 rings, R.sub.1 is a divalent hydrocarbon radical or a radical (R.sub.4 -O).sub.m R.sub.4, R.sub.4 being an alkylene and m an integer from 1 to 100.