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Title:
OPTICAL RECORDING MATERIAL AND CYANINE COMPOUND
Document Type and Number:
WIPO Patent Application WO/2007/135924
Kind Code:
A1
Abstract:
Disclosed is an optical recording material comprising a cyanine compound represented by the general formula (I): (I) wherein the ring A and the ring B independently represent a benzene or naphthalene ring which may have a substituent; R1 represents a group represented by the general formula (II), (II') or (II''); R2, R3 and R4 independently represent a hydrogen atom, an organic group having 1 to 30 carbon atoms, or a group represented by the general formula (II), (II') or (II''), provided that R3 and R4 may together form a ring structure; Y1 and Y2 independently represent an organic group having 1 to 30 carbon atoms or a group represented by the general formula (III); X represents a hydrogen atom, a halogen atom, an alkyl group having 1 to 4 carbon atoms, a phenyl group which may have a substituent, a benzyl group which may have a substituent, or a cyano group; Anm- represents an anion having a valency of m; m represents 1 or 2; and p represents a factor for keeping the charge neutral.

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Inventors:
YANO TORU (JP)
SHIGENO KOICHI (JP)
Application Number:
PCT/JP2007/060059
Publication Date:
November 29, 2007
Filing Date:
May 16, 2007
Export Citation:
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Assignee:
ADEKA CORP (JP)
YANO TORU (JP)
SHIGENO KOICHI (JP)
International Classes:
B41M5/26; G11B7/242; G11B7/2472; C09B23/00
Domestic Patent References:
WO1998029257A11998-07-09
Foreign References:
JP2001506933A2001-05-29
JP2003231359A2003-08-19
JP2006312710A2006-11-16
JPS5955795A1984-03-30
JPH05173282A1993-07-13
JPH1153761A1999-02-26
JPH11227331A1999-08-24
JPH11277904A1999-10-12
JPH1134499A1999-02-09
JP2000108510A2000-04-18
JP2000289335A2000-10-17
JP2001506933A2001-05-29
JP2003231359A2003-08-19
JP2006312710A2006-11-16
JP2004053799A2004-02-19
JPS60234892A1985-11-21
JPH0543814A1993-02-23
JPH05305770A1993-11-19
JPH06239028A1994-08-30
JPH09309886A1997-12-02
JPH09323478A1997-12-16
JPH1045767A1998-02-17
JPH11208118A1999-08-03
JP2000168237A2000-06-20
JP2002201373A2002-07-19
JP2002206061A2002-07-26
JP2005297407A2005-10-27
JPH0796334A1995-04-11
Other References:
See also references of EP 2020302A4
Attorney, Agent or Firm:
HATORI, Osamu (8-6 Akasaka 1-chome, Minato-k, Tokyo 52, JP)
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