111850-25-0Relevant articles and documents
HEAT SENSITIVE RECORDING MATERIAL AND COLOR DEVELOPER
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Page/Page column 51, (2019/09/18)
The presently claimed invention relates to a color developer, a process for its manufacture and its use as a component in heat sensitive recording material. The heat sensitive recording material is useful for thermographic printing.
Thermosensitive recording material and color developer compound therefor
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, (2008/06/13)
A thermosensitive recording material has a support and a thermosensitive coloring layer formed thereon containing a leuco dye and a color developer capable of inducing color formation in the leuco dye upon application of heat thereto, with the color developer including at least one compound (A) having in a molecule thereof at least two aromatic ring moieties with specific structures, selected from the group consisting of an aromatic ring moiety having at least one carboxyl group and electron-attracting functional group, an aromatic ring moiety having at least one carboxyl group and electron-donating functional group, and an aromatic ring moiety having at least one carboxyl group, free of the electron-attracting and electron-donating functional groups. An aromatic carboxylic acid compound serving as the above-mentioned compound (A) and the producing method thereof are also disclosed.
Phenolic compounds
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, (2008/06/13)
A phenolic compound having formula (I): STR1 wherein X represents a chlorine atom or a methyl group, and a recording material comprising a coloress or light-colored leuco dye and the above phenolic compound serving as a color developer for the leuco dye are disclosed.