Fluoran color former mixture and use thereof in recording materi

Details Fluoran color former mixture and use thereof in recording materi Fluoran color former mixture and use thereof in recording materi

1991-12-20

1992-09-22

Hess, Bruce H.

Record receiver having plural interactive leaves or a colorless

Having a colorless color-former, developer therefor, or...

Identified color-former

427151, 503204, B41M 5145, B41M 530

Patent

active

051496895

ABSTRACT:
Fluoran color former mixtures which contain at least

REFERENCES:
patent: 3514310 (1970-05-01), Kimura et al.
patent: 3825432 (1974-05-01), Futaki et al.
patent: 3839361 (1974-03-01), Terayama et al.
patent: 3844817 (1974-10-01), Terayama et al.
patent: 3857675 (1974-12-01), Schwab et al.
patent: 3959571 (1976-05-01), Yahagi et al.
patent: 3998846 (1976-10-01), Terayama et al.
patent: 4376150 (1983-04-01), Morita et al.
patent: 4544936 (1985-10-01), Yokoi
Patent Abstract of Japan 7,24 (M-189) 1169 (1983).

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