THERMALLY DEVELOPABLE IMAGING SYSTEM COMPRISING A BLOCKED COLOR-FORMING AGENT IN ASSOCIATION WITH A HYDROXY-SUBSTITUTED AROMATIC COMPOUND FOR PROMOTING IMAGE FORMATION

• Main Authors: SOUTHBY, DAVID, THOMAS, YANG, XIQIANG, OWCZARCZYK, ZBYSLAW, ROMAN
• Format: Patent
• Language: English; French
• Published: 20.12.2001
• Edition: 7
• Subjects: AUXILIARY PROCESSES IN PHOTOGRAPHY; CINEMATOGRAPHY; ELECTROGRAPHY; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; HOLOGRAPHY; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR,STEREO-PHOTOGRAPHIC PROCESSES; PHOTOGRAPHY; PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES; PHYSICS; TECHNICAL SUBJECTS COVERED BY FORMER USPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ARTCOLLECTIONS [XRACs] AND DIGESTS

This invention comprises an imaging element comprising an imaging layer having associated therewith a phenolic activating agent in combination with a blocked color-forming agent of Structure (I) wherein PUG is a photographically useful color-forming agent, LINK 1 and LINK 2 are linking groups; TIME is a timing group; HET is a heterocyclic group, and the other groups are as defined in the specification. L'invention concerne un élément d'imagerie comprenant une couche d'imagerie présentant en association un agent accélérateur phénolique en combinaison avec un agent colorant bloqué de la structure I, dans laquelle PUG est un agent colorant photographiquement utile, LINK 1 et LINK 2 sont des groupes de liaison; TIME est un groupe de synchronisation; HET est un groupe hétérocyclique et les autres groupes sont tels que définis dans le descriptif.