Heat-sensitive material suited for use in direct thermal recordi

Details Heat-sensitive material suited for use in direct thermal recordi Heat-sensitive material suited for use in direct thermal recordi

1996-08-06

1999-01-26

Hess, Bruce H.

Record receiver having plural interactive leaves or a colorless

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

Method of use, kit, or combined with marking instrument or...

503202, 503210, 503226, B41M 526, B41M 528, B41M 540

Patent

active

058638598

ABSTRACT:
A heat-sensitive recording material suited for use in direct thermal imaging, wherein said recording material comprises: (i) a layer (1) containing uniformly distributed in a film-forming water-insoluble resin binder a substantially light-insensitive organic metal salt, preferably a silver salt, and (ii) a layer (2) in direct contact with said layer (1) or in thermal working relationship therewith through the intermediary of a spacer layer (3), characterized in that said layer (2) contains, uniformly distributed in a film-forming water-soluble hydrophilic binder at least one organic reducing agent that is capable of diffusing out of said layer (2) into said layer (1) on heating said recording material, and is coated from an aqueous solution.

REFERENCES:
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patent: 3094417 (1963-06-01), Workman
patent: 3241997 (1966-03-01), Schutzner
patent: 3795532 (1974-03-01), Newman et al.
patent: 4082901 (1978-04-01), Laridon et al.
patent: 4602265 (1986-07-01), Philpott et al.
patent: 5189007 (1993-02-01), Aihara et al.
patent: 5278127 (1994-01-01), Dombrowski

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