Chromogenic fluoran derivatives and the preparation and use ther

Details Chromogenic fluoran derivatives and the preparation and use ther Chromogenic fluoran derivatives and the preparation and use ther

1976-02-03

1983-10-18

Rollins, Alton D.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

544 70, 546 15, 549224, 549225, 549226, C07D31188, C07D31196, C07D491107, C07D49310

Patent

active

044107080

ABSTRACT:
Certain 3-substituted amino-7-substituted fluoran derivatives useful as color recording materials.

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patent: 4007195 (1977-02-01), Garner et al.
patent: 4024157 (1977-05-01), Hotta et al.
Chem. Abs., vol. 73: 26763h (1970), Abstract of French Patent 1,573,554.
Chem. Abs., vol. 64: 7546d.

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