Pressure-sensitive and/or heat sensitive copying or recording ma

Details Pressure-sensitive and/or heat sensitive copying or recording ma Pressure-sensitive and/or heat sensitive copying or recording ma

1974-11-18

1976-10-12

Esposito, Michael F.

Stock material or miscellaneous articles

Composite

428454, 428524, 428530, 428537, 260335, 427151, B41C 106, B41M 502

Patent

active

039859363

ABSTRACT:
The invention relates to copying and recording materials such as pressure-sensitive and/or heat-sensitive material, which contains as color former specific naphthofuranes.

REFERENCES:
patent: 3501331 (1970-03-01), Kimura
patent: 3514310 (1970-05-01), Kimura
patent: 3825561 (1974-07-01), Akamatsu
patent: 3844817 (1974-10-01), Terayama
patent: 3864145 (1975-02-01), Seki

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