Image wise developable sheet

Details Image wise developable sheet Image wise developable sheet

1980-07-09

1981-11-03

Hess, Bruce H.

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Composite having voids in a component

282 275, 427121, 427150, 427151, 428323, 428327, 428488, 428537, 428913, 428914, B41M 516, B41M 518, B41M 520, B41M 522

Patent

active

042986516

ABSTRACT:
An image wise developable sheet which develops in an image wise fashion areas of the coated substrate thereof to which there has been an image wise selective application of pressure, heat, light or electrical discharge. The coating which is developable comprises (1) a free base of a cationic solvent dye capable of developing a colour or at least a more intense colour upon reaction with an organic acid developing compounds and (11) a binder which is a wax or resin which does not develop said free base and which has been mixed with said free base in the presence of a non-developing substantially non-polar solvent. Various forms of coating thereof including the colour developer composition in a layer or particulate form are applicable to different end uses.

REFERENCES:
patent: 3969346 (1976-07-01), Koller et al.

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