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:
Apr. 09, 1991

Filed:

Nov. 08, 1988
Applicant:
Inventors:

Yasushi Itaba, Tokyo, JP;

Yutaka Yoshifuji, Saitama, JP;

Takayoshi Kondo, Tokyo, JP;

Minoru Izawa, Saitama, JP;

Ichiro Sakamoto, Kanagawa, JP;

Tadao Yoshino, Saitama, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B32B / ; B32B / ; B65B / ;
U.S. Cl.
CPC ...
428 349 ; 428516 ; 428910 ; 428349 ; 428461 ; 4284761 ; 428483 ; 4284735 ; 428509 ; 428513 ; 428523 ;
Abstract

A polyethylene composite film suitable for packaging, which is superior in moistureproofness, flex-o-crack resistance, tearability and heat-sealing property, is provided comprising an oriented polyethylene film such that the degree of cross-linking inwardly decreases across the thickness of the film and at least one lamination layer, provided on one side of the oriented polyethylene film consisting of a lamination material having a heat shrinkage of less than 5% at 120.degree. C.


Find Patent Forward Citations

Quick Actions:

Itaba, Yasushi. (1991). Polyethylene composite film (U.S. Patent No. 5006378). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5006378

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

Loading…