Fluoran derivatives and recording material using the same

Details Fluoran derivatives and recording material using the same Fluoran derivatives and recording material using the same

1984-04-12

1987-02-17

Hess, Bruce H.

Recorders

Record receiver deforming

427151, 346200, B41M 516, B41M 518, B41M 520, B41M 522

Patent

active

046443770

ABSTRACT:
A fluoran derivative with an arylamino group at the 2-position of the fluoran ring, a long-chain alkyl group at the 3-position of the fluoran ring and an amine residue at the 6-position of the fluoran ring, which can be effectively employed as a dye precursor in black color-forming type recording materials.

REFERENCES:
patent: Re29427 (1977-10-01), Sekine
patent: 4226912 (1980-10-01), Iwasaki et al.

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