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Title:
可逆熱変色性組成物
Document Type and Number:
Japanese Patent JP2009541549
Kind Code:
A
Abstract:
A reversible thermochromic system comprising a) a compound of the formula (IA) or a tautomer thereof or a compound of the formula (IB) or a tautomer thereof (IA) (IB) wherein R1 is C1-C18alkyl, C2-C18alkenyl, C3-C12cycloalkyl, C3-C12cycloalkyl substituted by 1, 2 or 3 C1-C4alkyl; phenyl, phenyl substituted by 1, 2 or 3 C1-C4alkyl; or C7-C12phenylalkyl; R2 is hydrogen or a group —SO2—R; R3 and R4 independently of one another are hydrogen, C1-C18alkyl, C2-C18alkenyl, C3-C12cycloalkyl, C3-C12cycloalkyl substituted by 1, 2 or 3 C1-C4alkyl; phenyl, phenyl substituted by 1, 2 or 3 C1-C4alkyl; or C7-C12phenylalkyl; and R is C1-C18alkyl, C2-C18alkenyl, C3-C12cycloalkyl, C3-C12cycloalkyl substituted by 1, 2 or 3 C1-C4alkyl; phenyl, phenyl substituted by 1, 2 or 3 C1-C4alkyl; or C7-C12phenylalkyl; and b) a compound containing a group of the formula (III).

Inventors:
Fisher, Walter
Bus Bus, Abdel-Allah
Brunner, martin
Benz, rolf
Application Number:
JP2009517120A
Publication Date:
November 26, 2009
Filing Date:
June 20, 2007
Export Citation:
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Assignee:
Ciba Holding Inc.
International Classes:
C09B1/06; C08K5/3477; C08L79/02; C08L101/00; C09K9/02; C07C317/24
Domestic Patent References:
JP2008545864A2008-12-18
Foreign References:
FR1506871A1967-12-22
Other References:
JPN6013003772; Dyes and Pigments 28(2), 1995, p.139-150
JPN6013003774; Dyes and Pigments 28(4), 1995, p.281-290
Attorney, Agent or Firm:
Calyx
Miyazaki Yoshio
Tsutomu Kato
Kyoko Oyama
Kaoru Onozuka
Akio Tagami
High Masahiro
Norio Mori
Seiji Yamada