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:
Jan. 15, 1980
Filed:
Aug. 24, 1978
Applicant:
Inventors:
Kenneth P Thompson, Canton, NC (US);
Richard C Ihde, Strongsville, OH (US);
Assignee:
Champion International Corporation, Stamford, CT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B65D / ; C08F / ;
U.S. Cl.
CPC ...
206557 ; 126390 ; 219 / ; 220405 ; 229 / ; 428322 ;
Abstract
A polymeric multiple-layer sheet material particularly suited for making containers for food products to be cooked or reheated in microwave ovens has a relatively thick core layer of foamed, high density polyethylene with thinner surface layers of a coextruded polyester, such as polyethylene terephthalate. The surface layers are preferably bonded to the core by suitable adhesive layers.