Photographic products and processes employing azo dyes, azo dye-

Details Photographic products and processes employing azo dyes, azo dye- Photographic products and processes employing azo dyes, azo dye-

1977-11-10

1979-05-29

Brown, J. Travis

Gas separation: apparatus

Electric field separation apparatus

Electrode cleaner, apparatus part flusher, discharger, or...

96 3, 96 561, 96 73, 96 77, 96 99, G03C 700, G03C 140

Patent

active

041566092

ABSTRACT:
Photographic elements, diffusion transfer assemblages and processes are described which employ a novel nondiffusible compound having a novel releasable azo dye. The dyes are azophenols, or precursors of azophenols, and have electron withdrawing groups in each of the positions ortho to the phenolic hydroxy group.

REFERENCES:
patent: B351673 (1975-01-01), Fleckenstein
patent: 3257379 (1966-06-01), May et al.
patent: 3364022 (1968-01-01), Barr
patent: 3883503 (1975-05-01), Van Assche et al.
patent: 3942987 (1976-03-01), Landholm et al.
patent: 3954476 (1976-05-01), Krutak et al.
patent: 3980479 (1976-09-01), Fields et al.
patent: 4009029 (1977-02-01), Hammond et al.
Research Disclosure No. 15157, pp. 68-74, Nov. 1976.

Affiliated with

Also associated with

Rating

Photographic products and processes employing azo dyes, azo dye- does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Photographic products and processes employing azo dyes, azo dye-, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Photographic products and processes employing azo dyes, azo dye- will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-229839