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).
More Like This:
Inventors:
Fisher, Walter
Bus Bus, Abdel-Allah
Brunner, martin
Benz, rolf
Bus Bus, Abdel-Allah
Brunner, martin
Benz, rolf
Application Number:
JP2009517120A
Publication Date:
November 26, 2009
Filing Date:
June 20, 2007
Export Citation:
Assignee:
Ciba Holding Inc.
International Classes:
C09B1/06; C08K5/3477; C08L79/02; C08L101/00; C09K9/02; C07C317/24
Domestic Patent References:
JP2008545864A | 2008-12-18 |
Foreign References:
FR1506871A | 1967-12-22 |
Other References:
JPN6013003772; Dyes and Pigments 28(2), 1995, p.139-150
JPN6013003774; Dyes and Pigments 28(4), 1995, p.281-290
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
Miyazaki Yoshio
Tsutomu Kato
Kyoko Oyama
Kaoru Onozuka
Akio Tagami
High Masahiro
Norio Mori
Seiji Yamada