Title: Photothermographic recording sheet

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, 2. an aryl group including a substituted aryl group, 3. a heterocyclic group including a substituted heterocyclic group, or 4. an acyl group.

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Other info:

Inventors: Willems, Jozef Frans (Wilrijk, BE)
Vandenberghe, Antoon Leon (Hove, BE)

Application Number: 537763
Filing Date: 1974-12-31
Publication_date: 1977-07-26
Assignee: AGFA-GEVAERT N.V. (Mortsel, BE)
Primary Class(es): 430/203 427/261
Other Classes:
US Patent Ref:

3460946	Aug, 1969	Puerokhauer et al.	96/94.
3589901	Jun, 1971	Lyons	96/64.
3816132	Jun, 1974	Takegawa et al.	96/114.
3844797	Oct, 1974	Willems et al.	96/114.

Other Refs:
Primary Examiner: Klein, David
Assistant Examiner: Goodrow, John L.
Attorney: Daniel; William J.