Organic compounds -- part of the class 532-570 series – Organic compounds – Sulfur containing
Patent
1990-10-17
1992-06-30
Cintins, Marianne
Organic compounds -- part of the class 532-570 series
Organic compounds
Sulfur containing
568 46, C07C32110, C07C32307
Patent
active
051264862
ABSTRACT:
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.
REFERENCES:
patent: 3751483 (1973-08-01), Cisney
patent: 4330462 (1982-05-01), Keck et al.
Furuya Hiromi
Hayakawa Kunio
Argo Margaret J.
Cintins Marianne
Ricoh & Company, Ltd.
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