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:
Nov. 27, 1984

Filed:

May. 11, 1982
Applicant:
Inventors:

Sadao Ohtsuka, Chiba, JP;

Toshio Komatsu, Tokyo, JP;

Yukio Kondoh, Saitama, JP;

Hideyuki Takahashi, Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B / ;
U.S. Cl.
CPC ...
428 35 ; 426106 ; 426124 ; 426316 ; 428137 ;
Abstract

An oxygen absorbent package comprising a rectangular nonwoven fabric sheet, a rectangular perforated film or nonwoven fabric sheet having a lower softening point than sheet, a rectangular microporous film or nonwoven fabric sheet having a higher softening point than film or sheet, and an oxygen absorbent, the three layers being heat sealed on the four sides is disclosed. The oxygen absorbent package is mainly used for storage of foodstuff, particularly liquid or semiliquid foodstuff.


Find Patent Forward Citations

Ohtsuka, Sadao. (1984). Oxygen absorbent packaging (U.S. Patent No. 4485133). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4485133

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

Loading…