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. 03, 1979
Filed:
Mar. 28, 1978
Applicant:
Inventors:
Scott W Middleton, Appleton, WI (US);
Lee J Murray, Jr, Appleton, WI (US);
Steven R Felstein, Redondo Beach, CA (US);
Assignee:
American Can Company, Greenwich, CT (US);
Primary Examiner:
Int. Cl.
CPC ...
B32B / ; B29C / ; B05D / ;
U.S. Cl.
CPC ...
428481 ; 220457 ; 156224 ; 156274 ; 15624417 ; 428 35 ; 427 39 ;
Abstract
A coated paperboard product and a process for producing the same which includes corona discharge treatment of a paperboard surface and subsequent extrusion of molten polyester thereon. The resulting product has a very high degree of adhesion between the paperboard and polyester layers, and is capable of being utilized for forming pressed food trays which can be subjected to oven cooking temperatures.
Middleton, Scott. (1979). Polyester coated paperboard for forming food containers and process for (U.S. Patent No. 4147836). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4147836
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile