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Patent Searching and Data


Title:
LAMINATE AND, PAPER CONTAINER AND PACKAGE USING THE SAME
Document Type and Number:
WIPO Patent Application WO/2004/050358
Kind Code:
A1
Abstract:
A laminate, characterized in that it is produced by laminating through co-extrusion a multi resin layer comprising three layers of an adhesive resin layer (a)/a barrier resin layer (b)/an adhesive resin layer (a’) on a base paper coated with polyethylene imine in a manner such that the adhesive resin layer (a) is contacted with said coated surface; and a paper container and a package using the laminate. The laminate exhibits the high adhesion strength between the base paper and the resin layer laminated through co-extrusion, is low in the generation of odor, has good barrier property for oxygen and flavor, and is excellent in the resistance to unsealing and delamination, and the paper container and package are suitable for long term storage of contents thereof and are reduced with respect to problems in the disposal of wastes generated thereform.

Inventors:
KATAYAMA SHIN YA (JP)
FUJISAKI HIROFUMI (JP)
MURATA TOMONORI (JP)
Application Number:
PCT/JP2003/009462
Publication Date:
June 17, 2004
Filing Date:
July 25, 2003
Export Citation:
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Assignee:
TOKYO PAPER MFG CO LTD (JP)
KATAYAMA SHIN YA (JP)
FUJISAKI HIROFUMI (JP)
MURATA TOMONORI (JP)
International Classes:
B32B7/12; B65D65/40; B32B27/08; B32B27/10; B32B29/06; (IPC1-7): B32B27/10
Domestic Patent References:
WO1999024505A11999-05-20
Foreign References:
JPH0958650A1997-03-04
JPH10218170A1998-08-18
JPS60112874A1985-06-19
US5059459A1991-10-22
JPS58160244A1983-09-22
Other References:
See also references of EP 1588841A4
Attorney, Agent or Firm:
Nishi, Yoshihisa (Ohmura Bldg 5-6, Shimbashi 2-chom, Minato-ku Tokyo, JP)
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