Title:
記録材料及び化合物
Document Type and Number:
Japanese Patent JP6869344
Kind Code:
B2
Abstract:
An object of the present invention is to provide a recording material or a recording sheet using, as a color-developing agent, a non-phenol-based compound good in color developing performance and the like. A compound represented by the following formula (I) is used as the color-developing agent:(wherein X represents CH2or the like; R1to R3each independently represent a hydrogen atom, a halogen atom or the like; n1 and n3 each independently represent any integer of 1 to 5; two groups represented by R3adjacent to each other on a benzene ring optionally bond to each other to form an optionally substituted 6-membered ring; and n2 represents any integer of 1 to 4).
More Like This:
| JPH02116594 | THERMAL RECORDING BODY |
| WO/2003/031194 | HEAT−SENSITIVE RECORDING MATERIAL |
Inventors:
Hiroki Sakai
Kayoko Tada
Shuntaro Kinoshita
Kayoko Tada
Shuntaro Kinoshita
Application Number:
JP2019523513A
Publication Date:
May 12, 2021
Filing Date:
June 01, 2018
Export Citation:
Assignee:
Nippon Soda Co., Ltd.
International Classes:
B41M5/333; C07C275/34; C07C309/73
Domestic Patent References:
| JP3174536A | ||||
| JP2017165091A | ||||
| JP8002111A | ||||
| JP2011184407A |
Foreign References:
| WO1998034159A1 | ||||
| WO2017111032A1 | ||||
| WO2014080615A1 |
Attorney, Agent or Firm:
Masaki Hirota
Seiji Ozawa
Yusaku Tokai
Yasunori Matsuhashi
Makoto Horiuchi
Masako Yamauchi
Shuichi Sonomoto
Akihiro Yamamura
Hiroyuki Tomita
Seiji Ozawa
Yusaku Tokai
Yasunori Matsuhashi
Makoto Horiuchi
Masako Yamauchi
Shuichi Sonomoto
Akihiro Yamamura
Hiroyuki Tomita