Method for processing high silver bromide color negative photogr

Radiation imagery chemistry: process – composition – or product th – Color imaging process – Using identified radiation sensitive composition in the...

Patent

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

430430, 430461, 430943, 430488, 430491, 430490, 430493, G03C 544, G03C 512

Patent

active

057631476

ABSTRACT:
A simple and effective peroxide bleaching method includes the use of a bleaching solution including a peroxide bleaching agent and chloride ion in an amount of at least 0.35 mol/l. An organic phosphonic acid or tertiary aminocarboxylic acid can also be present for stability. The method is useful for bleaching high silver bromide color negative photographic films containing at least 80 mol % silver bromide and from 0.5 to 5 mol % silver iodide in at least one silver halide emulsion.

REFERENCES:
patent: 3839045 (1974-10-01), Brown
patent: 4301236 (1981-11-01), Idota et al.
patent: 4328306 (1982-05-01), Idota
patent: 4737450 (1988-04-01), Hall et al.
patent: 5318880 (1994-06-01), English et al.
patent: 5324624 (1994-06-01), Twist
patent: 5550009 (1996-08-01), Haye et al.
patent: 5554491 (1996-09-01), O'Toole et al.
patent: 5578428 (1996-11-01), Fyson
patent: 5607820 (1997-03-01), Nakamura
Research Disclosure, Jan., 1981, p. 6, No. 20111, by C.R.Coppel et al.

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

Method for processing high silver bromide color negative photogr 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 processing high silver bromide color negative photogr, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method for processing high silver bromide color negative photogr will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-2197483

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.