THERMALLY DEVELOPABLE IMAGING SYSTEM COMPRISING A BLOCKED COLOR-FORMING AGENT IN ASSOCIATION WITH A HYDROXY-SUBSTITUTED AROMATIC COMPOUND FOR PROMOTING IMAGE FORMATION
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...
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Main Authors | , , |
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Format | Patent |
Language | English French |
Published |
11.04.2002
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Edition | 7 |
Subjects | |
Online Access | Get full text |
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Summary: | 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. |
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Bibliography: | Application Number: WO2001US18753 |