Method for photographic development

Details Method for photographic development Method for photographic development

1993-11-29

1994-09-06

Le, Hoa Van

Radiation imagery chemistry: process, composition, or product th

Silver halide colloid tanning process, composition, or product

Process using lithographic infectious developer

430264, 430435, 430436, 430438, 430478, 430481, 430482, 430486, 430487, G03C 5315

Patent

active

053447417

ABSTRACT:
The present invention provides a developer for silver halide photographic light-sensitive materials which provides super-high contrast and is improved in stability with time. This developer contains at least (1) a developing agent, (2) 10 g/l or more of a hydroquinonemonosulfonate, (3) 0.3 mol/l or more of a sulfite and (4) an amino compound in an amount necessary to accelerate enhancement of contrast and has a pH of 10.5-12.3.

REFERENCES:
patent: 3938997 (1976-02-01), Fisch et al.
patent: 4269929 (1981-05-01), Nothnagle
patent: 4385108 (1983-05-01), Takagi et al.
patent: 4429036 (1984-01-01), Hirano et al.
patent: 4693956 (1987-09-01), Marchesano
patent: 4756997 (1988-07-01), Marchesano
patent: 5120637 (1992-06-01), Furusawa et al.

Affiliated with

Also associated with

Rating

Method for photographic development does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Method for photographic development, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method for photographic development will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1329036