Photothermographic recording sheet

Details Photothermographic recording sheet Photothermographic recording sheet

1974-12-31

1977-07-26

Klein, David

Gas separation: apparatus

Electric field separation apparatus

Electrode retaining or supporting means

427261, G03C 102

Patent

active

040380831

ABSTRACT:
Image-receiving material for the production of photographic copies in a dry manner with a layer containing a nonlight-sensitive silver salt and a phthalazinone compound corresponding to the following general formula : ##STR1## wherein : R represents 1. an aliphatic group including a cycloaliphatic group and such groups in substituted form,

REFERENCES:
patent: 3460946 (1969-08-01), Puerokhauer et al.
patent: 3589901 (1971-06-01), Lyons
patent: 3816132 (1974-06-01), Takegawa et al.
patent: 3844797 (1974-10-01), Willems et al.

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