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, 1976
Filed:
Oct. 24, 1972
Applicant:
Inventors:
Michel Bargain, Lyon, FR;
Maurice Ducloux, Irigny, FR;
Assignee:
Rhone-Poulenc S.A., Paris, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G / ;
U.S. Cl.
CPC ...
260 / ; 117 72 ; 1171 / ; 260 / ; 260 / ; 260 / ; 260 / ; 260 65 ; 260 / ;
Abstract
Imide copolymers consisting essentially of at least ##SPC1## of recurring units of the formula ##SPC2## Together with recurring units of the formula: In which M represents an aliphatic, aromatic, carbocyclic or heterocyclic divalent radical and R represents a tetravalent aromatic radical are provided having special utility as adhesives for polyimide and polyimide-amide films.