Fluoran compound, useful in heat sensitive recording materials

Details Fluoran compound, useful in heat sensitive recording materials Fluoran compound, useful in heat sensitive recording materials

1990-07-31

1993-03-16

Elmore, Carolyn

Organic compounds -- part of the class 532-570 series

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

549225, 549226, C07D31178, C07D31180

Patent

active

051946327

ABSTRACT:
Disclosed are a novel fluoran compound represented by the formula (I): ##STR1## and a heat-sensitive recording paper which is obtained by using the fluoran compound as a chromogenic compound and is excellent in preserving stability.

REFERENCES:
Chemical Abstracts of Japan, vol. 100, No. 18, p. 603, Abstracts No. 148555p (Apr. 30, 1984).
Chemical Abstracts of Japan, vol. 96, No. 14, p. 639, Abstract No. 113538g (Apr. 5, 1982).
Chemical Abstracts of Japan, vol. 106, No. 24, p. 605, Abstract No. 205276y (Jun. 15, 1987).
Chemical Abstracts of Japan, vol. 106, No. 6, p. 91, Abstract No. 34653n (Feb. 9, 1987).
Chemical Abstracts of Japan, vol. 98, No. 22, p. 83, Abstract No. 181134p (May 30, 1983).
Chemical Abstracts of Japan, vol. 102, No. 26, p. 74, Abstract No. 222151p (Jul. 1, 1985).

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