Photographic recording material for diffusion processes and useful non-diffusing sulfilimine compounds

US4369243A · kind A · utility

Assignee

• Agfa-Gevaert NV · BE

Inventors

• Hans-Heinrich Credner
• Wolfgang Lassig · Munich, DE
• Karl-Wilhelm Schranz · Langenfeld, DE

Key dates

• Filing date: Mar 6, 1981
• Grant date: Jan 18, 1983
• Expiry date: Mar 6, 2001

Classification

• Technology area (CPC G): Physics
• CPC primary: G03C8/10
• WIPO field: Optics
• WIPO sector: Instruments

Abstract

Sulfilimine compounds of formula I ##STR1## in which R.sup.3 is the residue of a diffusible photographically active compound can be split reductively to release the residue together with a group --SO.sub.2 --NH.sub.2. When R.sup.3 represents the radical of a dye or dye precursor the sulfilimines are useful as color providing compounds in dye diffusion transfer processes.