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:
Sep. 09, 1980

Filed:

Sep. 06, 1978
Applicant:
Inventors:

Nobuyuki Hisazumi, Iwaki, JP;

Masataka Yamamoto, Iwaki, JP;

Tsutomu Uehara, Iwaki, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B / ; B32B / ; B32B / ;
U.S. Cl.
CPC ...
428497 ; 428518 ; 428520 ; 428522 ; 428911 ;
Abstract

A laminated material having high workability and gas-impermeability is prepared by the lamination of a layer of vinylidene chloride copolymer containing 3 to 10% by weight of a plasticizer having a number average molecular weight of less than 500 with a carrier layer of synthetic resin containing 5 to 70% by weight of at least one organic additive having a number average molecular weight between 800 and 10,000 and selected from the group consisting of functional oligomers, fats and oils, rosin, and derivatives thereof.


Find Patent Forward Citations

Quick Actions:

Hisazumi, Nobuyuki. (1980). Laminated material for packaging film (U.S. Patent No. 4221841). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4221841

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

Loading…