Heat sensitive recording material containing decolorizing agent

Details Heat sensitive recording material containing decolorizing agent Heat sensitive recording material containing decolorizing agent

1975-06-23

1976-10-05

Ives, P. C.

Stock material or miscellaneous articles

Composite

428477, 428478, 428537, 428500, 428913, 427145, 427148, B41M 518

Patent

active

039846059

ABSTRACT:
In a heat sensitive recording material comprising a support having a heat sensitive layer or layers thereon which comprise colorless or palely colored chromogenic substance and phenolic substance capable, upon heating, of causing color formation of said chromogenic substance, at least one organic amine derivatives are contained as a decolorizing agent in said heat sensitive layer or another layer adjacent to said heat sensitive layer. Using this recording material, two colors which are clearly distinguishable can be obtained.

REFERENCES:
patent: 3167444 (1965-01-01), Baumann et al.
patent: 3241997 (1966-03-01), Schutzner
patent: 3539375 (1970-11-01), Baum
patent: 3664858 (1972-05-01), Huffman
patent: 3916068 (1975-10-01), Kohmura et al.

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