Novel photographic products and processes

Details Novel photographic products and processes Novel photographic products and processes

1982-05-27

1983-05-03

Schilling, Richard L.

Radiation imagery chemistry: process, composition, or product th

Transfer procedure between image and image layer, image...

Diffusion transfer process, element, or identified image...

430228, 430234, 430236, 430251, 430428, 430455, 430566, 430955, G03C 554, G03C 148, G03C 538

Patent

active

043821197

ABSTRACT:
This invention relates to photographic products and processes employing silver halide solvent precursors of the formulae ##STR1## wherein R.sup.1 and R.sup.2, the same or different, each are hydrogen, alkyl, phenalkyl, phenyl or phenyl substituted with an electron-donating or electron-withdrawing group; R.sup.3 is alkyl, phenalkyl, phenyl or substituted phenyl; Z is --CN or --SO.sub.2 R.sup.4 wherein R.sup.4 is branched-chain alkyl, phenalkyl, phenyl or substituted phenyl; and n is an integer 3, 4 or 5.

REFERENCES:
patent: 3698898 (1972-10-01), Grasshoff et al.
patent: 3769014 (1973-10-01), Stewart et al.
patent: 3932480 (1976-01-01), Grasshoff et al.
patent: 3958992 (1976-05-01), Greenwald
patent: 4126459 (1978-01-01), Greenwald

Affiliated with

Also associated with

Rating

Novel photographic products and processes does not yet have a rating. At this time, there are no reviews or comments for this patent.

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

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1209236