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. 21, 1996
Filed:
Aug. 24, 1994
Applicant:
Inventors:
Naoki Masuda, Tokyo, JP;
Norimasa Sekine, Tokyo, JP;
Takeo Tomatsuri, Tokyo, JP;
Keiko Nakamura, Tokyo, JP;
Mamoru Sekiguchi, Tokyo, JP;
Assignee:
Toppan Printing Co., Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
B29D / ;
U.S. Cl.
CPC ...
428 366 ; 428 358 ; 428 359 ; 428412 ; 428458 ; 428461 ; 428500 ; 428688 ;
Abstract
The improved packaging material having oxygen barrier quality has a thin layer of inorganic substance formed on a layer of resin composition having oxygen barrier quality that comprises at least a thermoplastic resin and an oxidation catalyst. The packaging material is inexpensive, can be processed efficiently and it yet develops high oxygen barrier quality right after processing and maintains it for a prolonged period of time.