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:
Apr. 21, 1981
Filed:
Dec. 13, 1976
Applicant:
Inventors:
Joseph C Berger, West Chicago, IL (US);
James E Fitzpatrick, Naperville, IL (US);
James P Whelan, West Chicago, IL (US);
Assignee:
Standard Oil Company (Indiana), Chicago, IL (US);
Primary Examiner:
Int. Cl.
CPC ...
B29F / ;
U.S. Cl.
CPC ...
264273 ; 264275 ; 2643281 ;
Abstract
Laminates of resinous polymers of olefins and elastomeric, open celled polyester urethane foams and method and apparatus of their production. Examples of resinous polymers include polyethylene, copolymers of ethylene and propylene, polypropylene, polystyrene and impact polystyrene. Optionally, the foam can be provided with a plasticized vinyl or fabric layer, opposite the surface to which the polyolefin is applied.