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.

Date of Patent:
Apr. 05, 1977

Filed:

Jun. 14, 1976
Applicant:
Inventors:

Max Gruffaz, La Mulatiere, FR;

Bernard Rollet, Lyon, FR;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
L08J / ;
U.S. Cl.
CPC ...
260 / ; 260 / ; 260 38 ; 260 / ; 260 50 ; 260 / ;
Abstract

A cellular material is disclosed based on a polymer with imide groups, characterized in that it is obtained by heating a mixture comprising:


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