Photographic materials containing aroylacetanilide type color couplers

• Main Authors: ROOSEN RAYMOND ALBERT, VERBRUGGHE MARCEL HENDRIK, CAT ARTHUR HENRI DE
• Format: Patent
• Language: English
• Published: 20.02.1968
• Subjects: ACYCLIC OR CARBOCYCLIC COMPOUNDS; AUXILIARY PROCESSES IN PHOTOGRAPHY; CHEMISTRY; CINEMATOGRAPHY; ELECTROGRAPHY; HOLOGRAPHY; METALLURGY; ORGANIC CHEMISTRY; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR,STEREO-PHOTOGRAPHIC PROCESSES; PHOTOGRAPHY; PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES; PHYSICS

The invention comprises aroylacetarylamide colour couplers wherein the aroyl part contains a sulphonic acid group, the arylamide part may contain a hydrophobic group and either part contains a C5- 20 hydrophobic group inhibiting migration of the colour coupler. Exemplified compounds have the formula...