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Patent Searching and Data


Title:
METHOD FOR PRODUCING COLOR DEVELOPER COMPOSITION FOR THERMAL RECORDING, COLOR DEVELOPER COMPOSITION FOR THERMAL RECORDING AND THERMAL RECORDING MATERIAL
Document Type and Number:
WIPO Patent Application WO/2018/020986
Kind Code:
A1
Abstract:
This method for producing a color developer composition for thermal recording comprises a step wherein 4, 4'-dihydroxydiphenyl sulfone and an aralkyl halide are reacted with each other in an aqueous solvent having a water content of 96% by mass or more. A color developer composition for thermal recording according to the present invention contains 100 parts by mass of 4-aralkyloxy-4'-hydroxydiphenyl sulfone and 0.2-10 parts by mass of a compound represented by general formula (I). (In general formula (I), R1 represents an optionally substituted aralkyl group; each of R2 and R3 represents an optionally substituted aralkyl group; and one of n and m represents 1, while the other represents 0.)

Inventors:
KUROSE MIKIHIKO (JP)
TATSUI HIDEYUKI (JP)
HASEGAWA TAKEO (JP)
Application Number:
PCT/JP2017/024967
Publication Date:
February 01, 2018
Filing Date:
July 07, 2017
Export Citation:
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Assignee:
NICCA CHEMICAL CO (JP)
International Classes:
B41M5/333
Domestic Patent References:
WO1991011433A11991-08-08
Foreign References:
JPH05117224A1993-05-14
JPH10114735A1998-05-06
JPH11180946A1999-07-06
JPS59225157A1984-12-18
Attorney, Agent or Firm:
HASEGAWA Yoshiki et al. (JP)
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