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:
May. 03, 1988
Filed:
Sep. 02, 1986
Applicant:
Inventor:
Hee C Park, Pittsford, NY (US);
Assignee:
Mobil Oil Corporation, New York, NY (US);
Primary Examiner:
Int. Cl.
CPC ...
B32B / ;
U.S. Cl.
CPC ...
428349 ; 428412 ; 4284763 ; 428483 ; 428516 ; 428910 ;
Abstract
An oriented polyolefin film structure having a base layer of, for example, polypropylene, and wherein at least one skin layer is comprised of a copolymer or terpolymer and at least one skin layer is comprised of a polyamide, polyester or polycarbonate polymer whereby said film structure has improved and broad heat sealability.