DIIMMONIUM SALT COMPOUND, NEAR-INFRARED ABSORBING COMPOSITION CONTAINING THE SAME, NEAR-INFRARED ABSORBING FILTER, AND FRONT PLATE FOR DISPLAY

Title:

DIIMMONIUM SALT COMPOUND, NEAR-INFRARED ABSORBING COMPOSITION CONTAINING THE SAME, NEAR-INFRARED ABSORBING FILTER, AND FRONT PLATE FOR DISPLAY

Document Type and Number:

WIPO Patent Application WO/2007/145289

Kind Code:

A1

Abstract:

Disclosed is a diimmonium salt compound characterized by having a structure represented by the following formula (1). In the formula (1), X- and Y- respectively represent an anion required for neutralizing the electrical charge, and X- and Y- are different from each other; at least one of ring A and ring B may have a substituent; and R1-R8 may be the same as or different from one another, and at least one of R1-R8 represents an alkyl group, an alkenyl group, an aryl group, an alkynyl group, an alkoxyalkyl group or an alkylene group having a cyclic alkyl group.

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Inventors:

OKUMURA YASUAKI
YOROZU TAKEHIKO

Application Number:

PCT/JP2007/062032

Publication Date:

December 21, 2007

Filing Date:

June 14, 2007

Export Citation:

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Assignee:

HITACHI MAXELL (JP)
OKUMURA YASUAKI
YOROZU TAKEHIKO

International Classes:

C09B53/00; C09K3/00; G02B5/22; G09F9/00

Domestic Patent References:

WO2004048480A1	2004-06-10
WO2003097580A1	2003-11-27

Foreign References:

JP2005325292A	2005-11-24
JP2005189740A	2005-07-14
JP2003055643A	2003-02-26

Attorney, Agent or Firm:

IKEUCHI SATO & PARTNER PATENT ATTORNEYS (OAP TOWER8-30, Tenmabashi 1-chome,Kita-ku, Osaka-shi, Osaka 26, JP)

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