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Title:
MULTILAYER PAPER AND PRODUCTION METHOD THEREFOR
Document Type and Number:
WIPO Patent Application WO/2019/054221
Kind Code:
A1
Abstract:
This invention pertains to a multilayer paper comprising a first paper layer and a second paper layer, wherein a pearl pigment layer is present between the first paper layer and the second paper layer, the second paper layer has an opening, and the pearl pigment layer is exposed via the opening. With this invention is possible to provide a multilayer paper with which it is possible to recognize only a watermark portion easily.

Inventors:
SUGIYAMA TOMONORI (JP)
IWAMA DAISUKE (JP)
Application Number:
PCT/JP2018/032581
Publication Date:
March 21, 2019
Filing Date:
September 03, 2018
Export Citation:
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Assignee:
TOKUSHU TOKAI PAPER CO LTD (JP)
International Classes:
D21H27/00; B32B29/00; D21H17/67; D21H21/42; D21H27/30
Foreign References:
JPH08311800A1996-11-26
JPH0540080B21993-06-17
JPH10317300A1998-12-02
JP2016515054A2016-05-26
JPH10102398A1998-04-21
JP2002266288A2002-09-18
JP2009013531A2009-01-22
US20130234426A12013-09-12
Attorney, Agent or Firm:
JITSUHIRO Shinya (JP)
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