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:
Jun. 30, 1987
Filed:
Sep. 09, 1985
Applicant:
Inventors:
Jean-Paul Ollivier, Paris, FR;
Bernard Vinatier, Coye la Foret, FR;
Assignee:
Atochem, , FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B29C / ; B29D / ;
U.S. Cl.
CPC ...
264257 ; 264 41 ; 264 455 ;
Abstract
A homogeneous composite material comprising at least one external layer of thermosetting polymer, a layer of lightened thermoplastic polymer, and intermediate between the two layers, a homogeneous layer formed by polymerizing a monomer which is a diluent for the said lightened polymer; such that the monomer polymerizes to form an intimate blend at the interface of said polymers. The invention also comprises a process for producing the above said composite material.