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Patent Searching and Data


Title:
CAST-COATED PAPER
Document Type and Number:
WIPO Patent Application WO/2007/142302
Kind Code:
A1
Abstract:
A cast-coated paper which is excellent in coated-paper quality and printability and functions to decompose a harmful substance upon irradiation with light. The cast-coated paper is obtained by forming on a raw paper a cast coating layer comprising a pigment and an adhesive as major components and pressing the cast coating layer in a wet state against a heated mirror surface of a drum to dry and finish the layer. The cast-coated paper is characterized in that the cast coating layer contains titanium oxide having an average secondary-particle diameter of 300-2,000 nm in an amount of 1-30 parts by weight per 100 parts by weight of the pigment and the titanium oxide has been treated beforehand by mixing it with a silica sol or alumina sol in a [titanium oxide]/[silica sol or alumina sol] proportion of from 2/1 to 1/2.

Inventors:
KOYAMOYO HIROSHI (JP)
KUTSUWA KOJI (JP)
OKAMOTO MASASHI (JP)
KAI HIDEHIKO (JP)
OKOMORI KOJI (JP)
OCHI TAKASHI (JP)
ISHIBASHI NORIYUKI (JP)
HAYASHI NOBUMASA (JP)
Application Number:
PCT/JP2007/061563
Publication Date:
December 13, 2007
Filing Date:
June 07, 2007
Export Citation:
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Assignee:
JUJO PAPER CO LTD (JP)
NIPPON PAPER CRECIA CO LTD (JP)
KOYAMOYO HIROSHI (JP)
KUTSUWA KOJI (JP)
OKAMOTO MASASHI (JP)
KAI HIDEHIKO (JP)
OKOMORI KOJI (JP)
OCHI TAKASHI (JP)
ISHIBASHI NORIYUKI (JP)
HAYASHI NOBUMASA (JP)
International Classes:
D21H19/36; D21H19/38
Foreign References:
JP2005536656A2005-12-02
JP2000073297A2000-03-07
JP2000129595A2000-05-09
JPH04352898A1992-12-07
JP2006015510A2006-01-19
JP2001010220A2001-01-16
JP2006021421A2006-01-26
JPH08173805A1996-07-09
JPH10226983A1998-08-25
JP2000129595A2000-05-09
JPH11117196A1999-04-27
Other References:
"White board and paper containers", 1995, SHIGYO TIMES SHA CO., LTD, pages: 153 - 167
See also references of EP 2042656A4
Attorney, Agent or Firm:
SHAMOTO, Ichio et al. (Section 206 New Ohtemachi Bldg., 2-1, Ohtemachi 2-chome, Chiyoda-k, Tokyo 04, JP)
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