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:
Nov. 16, 1982
Filed:
Oct. 22, 1981
Applicant:
Inventor:
Pallavoor R Lakshmanan, Houston, TX (US);
Assignee:
Gulf Oil Corporation, Pittsburgh, PA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B32B / ;
U.S. Cl.
CPC ...
264171 ; 264174 ;
Abstract
A process is disclosed for preparing a composite polymer film construction by a coextrusion process. An ethylene polymer or an isotactic propylene polymer is employed to form the surface layers and a blend of an ionomer resin and an alkenyl succinic anhydride is employed to form the intermediate layer.