Photographic material containing a new hydrazide type

Details Photographic material containing a new hydrazide type Photographic material containing a new hydrazide type

1998-09-10

1999-11-23

Huff, Mark F.

Radiation imagery chemistry: process, composition, or product th

Silver halide colloid tanning process, composition, or product

430598, 564310, 564 81, 564148, G03C 106, C07D21342, C07D21370, C07D23506

Patent

active

059897740

ABSTRACT:
A silver halide photographic material is disclosed containing a new type of hydrazide compound represented by following general formula I, the different symbols of which are defined in the description. ##STR1## In a preferred embodiment Q is pyridinium, substituted with a propargyllic group or butynyl group.
The photographic material is preferably a graphic arts recording material. High gradation and excellent hard dot quality are obtained.

REFERENCES:
patent: 5288590 (1994-02-01), Kuwabara et al.

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