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.

Date of Patent:
Oct. 28, 1980

Filed:

Feb. 21, 1978
Applicant:
Inventors:

William A Watts, Uniontown, OH (US);

Mark D Creekmore, Akron, OH (US);

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B32B / ;
U.S. Cl.
CPC ...
428518 ; 428519 ; 428520 ;
Abstract

A laminate of a blend of 40 to 80 parts of polyvinyl chloride and 60 to 20 parts of a copolymer of butadiene acrylonitrile adhered to a substrate of polypropylene with a latex or solvent solution of a copolymer of vinylidene chloride and a second monomer of vinyl chloride or acrylonitrile can be formed as films which have excellent heat sealability.


Find Patent Forward Citations

Watts, William. (1980). Heat sealable laminate (U.S. Patent No. 4230774). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4230774

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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