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:
Feb. 17, 1987
Filed:
Sep. 03, 1985
Applicant:
Inventor:
Webster W Kiang, Lisle, IL (US);
Assignee:
Enron Chemical Company, Rolling Meadows, IL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B / ;
U.S. Cl.
CPC ...
428349 ; 428 35 ; 428347 ; 428516 ; 525240 ;
Abstract
A polymer blend which is useful for forming heat sealable plastic film which comprises from about 60% to about 40% by weight of a polypropylene terpolymer comprising about 0.1 to about 10.0 mole percent ethylene, about 0.1 to 10.0 mole percent 1-butene, and the balance propylene, and 40% to 60% of a copolymer of ethylene and alpha olefins containing four or more carbon atoms wherein the ethylene content has from about 90.0 to about 99.9 mole percent.