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. 22, 1993
Filed:
Jun. 03, 1992
Applicant:
Inventors:
Melvin L Luetkens, Jr, Batavia, IL (US);
Robert D Pischke, Duluth, GA (US);
John C Schubert, Marietta, GA (US);
Assignee:
Amoco Corporation, Chicago, IL (US);
Primary Examiner:
Int. Cl.
CPC ...
B29C / ;
U.S. Cl.
CPC ...
15624411 ; 156 94 ; 15624424 ; 15624427 ; 264 37 ; 264 38 ; 428 354 ; 428 367 ; 4283044 ; 4283179 ; 4283197 ;
Abstract
The invention comprises a method for producing the multi-layer sheets of the invention comprising extrusion coating multi-resin layers onto each side of the foam core layer and then lamination of a barrier film layer onto one of the multi-resin layers.