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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.:

US 4345005 B1

PDFFull Text
Date of Patent:
Aug. 17, 1982

Filed:

Jun. 28, 1979

Oriented polypropylene film substrate and method of manufacture

Applicant:
Inventors:

Frank E All, Newark, NY (US);

Gary L Duncan, Pittsford, NY (US);

Assignee:

Mobil Oil Corporation, New York, NY (US);

Attorneys:

Huggett; C. A.

Gilman; M. G.

O'Sullivan, Sr.; J. P.

Primary Examiner:

Norman Morgenstern

Assistant Examiner:

Janyce A Bell

Int. Cl.
CPC ...
B32B / ; B05D / ;
U.S. Cl.
CPC ...
428461 ; 15624411 ; 15624412 ; 15624424 ; 204 30 ; 2041 / ; 427 40 ; 427 41 ; 427172 ; 427173 ; 427250 ; 427295 ; 427296 ; 427304 ; 427322 ; 4274073 ; 428515 ; 428910 ;
Abstract

An oriented polypropylene film substrate and method of manufacturing an oriented polypropylene film having enhanced adhesion to metallized coatings which comprises the steps of coextruding the film substrate having a homopolymer polypropylene core layer, and an ethylene propylene outer layer on at least one side of the core layer, the core and outer layers containing no slip agent. The film substrate is biaxially oriented, and the outer layer is corona treated. A metal coating is then deposited on the corona treated outer layer.

Find Patent Forward Citations

All, Frank. (1982). Oriented polypropylene film substrate and method of manufacture (U.S. Patent No. 4345005). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4345005

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

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