Radiation imagery chemistry: process – composition – or product th – Silver halide colloid tanning process – composition – or product
Patent
1987-11-20
1989-07-18
Michl, Paul R.
Radiation imagery chemistry: process, composition, or product th
Silver halide colloid tanning process, composition, or product
430949, 430599, 430609, 430266, 430267, 430444, 430445, 430446, 430448, G03C 133, G03C 526
Patent
active
048493198
ABSTRACT:
A negative silver halide photographic material comprising a support and at least one silver halide emulsion layer on the support, the emulsion layer or other hydrophilic colloid layer containing a hydrazine derivative, wherein the photographic material further contains an acid polymer and in which the pH of the surface of the photographic material is not more than 5.8. Also, a method for forming a superhigh contrast negative image using the above photographic material is disclosed.
REFERENCES:
patent: 2853457 (1958-09-01), Gates, Jr.
patent: 3488708 (1970-01-01), Smith
patent: 3607290 (1971-09-01), Butler
patent: 4269929 (1981-05-01), Nothnagle
patent: 4332878 (1982-06-01), Akimura et al.
patent: 4560638 (1985-12-01), Loblaw et al.
Hayashi Hiroshi
Inoue Nobuaki
Sasaoka Senzo
Fuji Photo Film Co. , Ltd.
Michl Paul R.
Wright Lee C.
LandOfFree
Silver halide photographic light-sensitive material and method o does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Silver halide photographic light-sensitive material and method o, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Silver halide photographic light-sensitive material and method o will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-171488