Heat-sensitive recording material

Details Heat-sensitive recording material Heat-sensitive recording material

1987-02-05

1988-08-02

Hess, Bruce H.

Record receiver having plural interactive leaves or a colorless

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

Having nonchromogenic liquid spread-control or...

427151, 503208, 503220, 503225, B41M 518

Patent

active

047613963

ABSTRACT:
In a heat-sensitive recording material comprising a colorless or pale-colored basic dye and an electron accepting reactant material which is reactive with the basic dye to form a color when contacted therewith, and comprising at least one of the specific phthalide derivatives as the basic dye, the heat-sensitive recording material characterized in that at least one compound selected from the group consisting of the specific fluorene derivatives and the specific p-phenylenediamine derivatives is further contained in the recording material.

REFERENCES:
patent: 4020056 (1977-04-01), Farber
patent: 4107428 (1978-08-01), Farber
patent: 4520377 (1985-05-01), Iwakura et al.
patent: 4523205 (1985-06-01), Suzuki et al.
patent: 4580153 (1986-04-01), Kondo et al.
patent: 4641160 (1987-02-01), Kondo et al.

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