Heat sensitive paper

Details Heat sensitive paper Heat sensitive paper

1986-10-24

1989-09-26

Hess, Bruce H.

Record receiver having plural interactive leaves or a colorless

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

Identified organic electron acceptor other than phenolic resin

427150, 427152, 428913, 428914, 503209, 503216, 503218, 503226, B41M 518

Patent

active

048700495

ABSTRACT:
Disclosed is a heat sensitive sheet which can develop a black image having excellent oil and light resistance, comprising a combination of a record sheet to be printed and a transfer sheet for forming an image on said record sheet, wherein said record sheet is coated with a solution comprising an organic or inorganic nickel compound an an organic and inorganic copper compound and said transfer sheet is coated with dithiooxamide. The present invention also provides a transfer sheet which can form a printed black image having excellent oil and light resistance on any type of record sheets. The transfer sheet is coated with an organic compound having a phenolic hydroxyl group or an amino group directly bonded to aromatic ring and quinone or a quinone derivative substituted by an electron attractive group in such a condition that the organic compound is not reacted with quinone or the quinone derivative.

REFERENCES:
patent: 4520378 (1985-05-01), Matsushita et al.
patent: 4561000 (1985-12-01), Tsujimoto et al.
patent: 4598035 (1986-07-01), Usami et al.

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