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:
Feb. 04, 1992
Filed:
Jul. 09, 1990
Applicant:
Inventors:
Yves Camberlin, Caluire, FR;
Philippe Michaud, Lyons, FR;
Assignee:
Rhone-Poulenc Chimie, Courbevoie, FR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08G / ;
U.S. Cl.
CPC ...
528 73 ; 548434 ; 548452 ;
Abstract
Linear aromatic poly(amideimide)s having latent maleimide endgroups, readily converted to maleimido polymers that can be crosslinked/shaped into useful molded articles, are prepared by directly copolymerizing an aromatic diisocyanate (i) with a tricarboxylic acid monoanhydride (ii) and a monocarboxylic acid (iii) containing a blocked maleimide functional group.