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Title:
PRINTING INK OR TONER CONTAINING DIHYDROPERIMIDINE SQUARYLIUM COMPOUND, PRINTED MATTER, METHOD FOR DETECTION OF INFORMATION, AND METHOD FOR ASCERTAINING THE GENUINENESS OF ARTICLES OR SUBSTRATES
Document Type and Number:
WIPO Patent Application WO/2010/089943
Kind Code:
A1
Abstract:
A printing ink or toner containing a compound represented by general formula (1) [wherein R1, R2, R3, R4, R5, R6, R7 and R8 are each independently a hydrogen atom, an alkyl group, a cycloalkyl group, or an aryl group; or, alternatively, R1 and R2, R2 and R3, R3 and R4, R5 and R6, R6 and R7, or R7 and R8 may be bonded to each other to form a five- or six-membered ring].  Provided are an infrared ink or toner which can be read by means of infrared light; printed matter using the same; a method for detection of information; and a method for ascertaining the genuineness of articles or substrates.

Inventors:
KOBAYASAHI KATSUMI (JP)
KIMURA KEIZO (JP)
Application Number:
PCT/JP2009/071742
Publication Date:
August 12, 2010
Filing Date:
December 28, 2009
Export Citation:
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Assignee:
FUJIFILM CORP (JP)
KOBAYASAHI KATSUMI (JP)
KIMURA KEIZO (JP)
International Classes:
C07D239/70; C07D487/06; C09D11/02; C09D11/033; C09D11/037; G03G9/08
Foreign References:
JPH10204310A1998-08-04
JPH1036695A1998-02-10
JPH0990547A1997-04-04
JPH1195421A1999-04-09
JPH079503T
JP2000162431A2000-06-16
JP2006143778A2006-06-08
JPH10251998A1998-09-22
JP2002167521A2002-06-11
JP2009209297A2009-09-17
Attorney, Agent or Firm:
NAKAJIMA, Jun et al. (JP)
Nakajima 淳 (JP)
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