Title:
N,N'-DIARYLUREA DERIVATIVE, MANUFACTURING METHOD THEREOF, AND THERMOSENSITIVE RECORDING MATERIAL USING SAME
Document Type and Number:
WIPO Patent Application WO/2019/044462
Kind Code:
A1
Abstract:
The present invention relates to: a N,N'-diarylurea derivative represented by general formula (1); and a manufacturing method thereof. Also, the present invention relates to a thermosensitive recording material in which a thermosensitive recording layer, which contains a colorless or light-colored basic dye at room temperature, and a coloring agent capable of coloring upon contacting said basic dye by heating, is provided on a support, wherein the coloring agent is the N,N'-diarylurea derivative represented by general formula (1) (in the formula, R2 is an alkyl group, an aralkyl group, or an aryl group, A1 represents a hydrogen atom or an alkyl group.).
Inventors:
KINISHI RYOICHI (JP)
ISHIBASHI YOSHIMI (JP)
ISHIBASHI YOSHIMI (JP)
Application Number:
PCT/JP2018/030081
Publication Date:
March 07, 2019
Filing Date:
August 10, 2018
Export Citation:
Assignee:
SANKO CO LTD (JP)
International Classes:
C07C309/73; B41M5/333; C07C303/30
Domestic Patent References:
| WO2017111032A1 | 2017-06-29 | |||
| WO2014080615A1 | 2014-05-30 | |||
| WO2014080615A1 | 2014-05-30 |
Foreign References:
| JPH09510457A | 1997-10-21 | |||
| JP2010053128A | 2010-03-11 | |||
| JPH0336086A | 1991-02-15 | |||
| JP2017167444A | 2017-09-21 | |||
| US3539375A | 1970-11-10 | |||
| JPS5711088A | 1982-01-20 | |||
| JPS60208286A | 1985-10-19 | |||
| JP2002052842A | 2002-02-19 | |||
| JP2002532441A | 2002-10-02 |
Other References:
See also references of EP 3677569A4
Attorney, Agent or Firm:
TANAI Sumio et al. (JP)
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