Method of forming a photographic image
US4429036A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Mar 31, 1983 |
| Grant date | Jan 31, 1984 |
| Priority date | — |
| Expiry date | Mar 31, 2003 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S430/15
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A method of forming a photographic image which comprises development processing with an alkaline aqueous activator solution a silver halide photographic light-sensitive material comprising a support having thereon at least one surface latent image type silver halide emulsion layer, and containing in at least one layer selected from a silver halide emulsion layer and another hydrophilic colloid-layer (1) a hydroquinone series developing agent and (2) an acylhydrazine compound represented by formula (I): EQU R.sup.1 NHNHCOR.sup.2 (I) wherein R.sup.1 represents an unsubstituted or substituted aryl group or alkyl group; and R.sup.2 represents a hydrogen atom, or an unsubstituted or substituted aryl group or alkyl group, PA1 wherein the aqueous activator solution or a prebath thereof contains at least one compound represented by formula (II): ##STR1## wherein each of W.sup.1, W.sup.2, W.sup.3, and W.sup.11 can represent a hydrogen atom, an unsubstituted or substituted alkyl group, alkenyl group, or alkynyl group, an acyl group, or a sulfonyl group, and W.sup.1 and W.sup.2, or W.sup.3 and W.sup.11, can be bonded to each other to form a ring; Q.sup.1 represents --CH.sub.2 CH.sub.2 -- or -…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.