Photographic element and method of making a silver halide emulsi

Details Photographic element and method of making a silver halide emulsi Photographic element and method of making a silver halide emulsi

1995-04-28

1996-11-19

Wright, Lee C.

Radiation imagery chemistry: process, composition, or product th

Radiation sensitive product

Silver compound sensitizer containing

430569, 430600, 430603, 430607, 430611, 430614, G03C 108, G03C 109, G03C 134

Patent

active

055761704

ABSTRACT:
A photographic element comprising a support having situated thereon a silver halide emulsion, the emulsion comprising an alkynylamine compound of the formula: wherein Z represents atoms necessary to complete a 5 to 10-membered heterocyclic ring system, R.sup.1 represents hydrogen or an alkyl of from 1 to 5 carbon atoms, and R.sup.2 represents hydrogen, or an alkyl, aryl, heteroaryl, carbocyclic or heterocyclic group; and
at least one dihydroxy aryl compound represented by formula II or III: ##STR1## wherein R.sup.3 to R.sup.12 are independently selected from the group consisting of hydrogen, hydroxy, sulfonate, or an alkyl of from 1 to 5 carbon atoms, and wherein at least two of such groups represent a hydroxy group.

REFERENCES:
patent: 3236652 (1966-02-01), Kennard et al.
patent: 3300312 (1967-01-01), Willems et al.
patent: 4378426 (1983-03-01), Lok et al.
patent: 4451557 (1984-05-01), Lok et al.
patent: 4847187 (1989-07-01), Ono et al.
patent: 5190855 (1993-03-01), Toya et al.
patent: 5294532 (1994-03-01), Ito et al.
patent: 5389510 (1995-02-01), Preddy et al.
patent: 5399479 (1995-03-01), Lok
patent: 5411854 (1995-05-01), Brust et al.
patent: 5413905 (1995-05-01), Lok et al.

Affiliated with

Also associated with

Rating

Photographic element and method of making a silver halide emulsi 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 element and method of making a silver halide emulsi, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Photographic element and method of making a silver halide emulsi will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-540080