Process for preparing a direct positive photographic material

Details Process for preparing a direct positive photographic material Process for preparing a direct positive photographic material

1990-11-13

1992-05-05

McCamish, Marion E.

Radiation imagery chemistry: process, composition, or product th

Radiation sensitive product

Silver compound sensitizer containing

430567, 430607, 430608, 430611, 430598, 430940, G03C 1485, G03C 1005

Patent

active

051107198

ABSTRACT:
A process for preparing a direct positive photosensitive material comprising providing on a support at least one silver halide light-sensitive emulsion layer containing the combination of (a) non-prefogged internal latent image silver halide grains; (b) a binder; (c) at least one compound represented by formulae (I), (II), or (III); and at least one compound represented by formula (IV):

REFERENCES:
patent: 2057764 (1936-10-01), Brunken
patent: 2394198 (1946-02-01), Mueller
patent: 3384490 (1968-05-01), Rees
patent: 4198240 (1980-04-01), Mikawa
patent: 4801520 (1989-01-01), Inoue et al.
Research Disclosure No. 235, Nov. 1983, Havant GB, pp. 346-352, "Development Nucleation by Hydrazine & Hydrazine Derivatives".
European Search Report dated Apr. 12, 1990.

Affiliated with

Also associated with

Rating

Process for preparing a direct positive photographic material does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Process for preparing a direct positive photographic material, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Process for preparing a direct positive photographic material will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1411901