PHOTO-THERMOGRAPHIC RECORDING PROCESS AND MATERIALS USED THEREFOR

A photosensitive recording material containing a pyrazolin-5-one reducing agent having at least one hydrogen atom in its 4-position in chemical interreactive relationship with a photoreducible dye capable when exposed to activiating electromagnetic radiation adsorbable by the dye of initiating oxida...

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Bibliographic Details
Main Authors POOT, ALBERT L, VAN BESAUW, JAN F
Format Patent
LanguageEnglish
Published 13.01.1976
Subjects
AUXILIARY PROCESSES IN PHOTOGRAPHY
CINEMATOGRAPHY
ELECTROGRAPHY
HOLOGRAPHY
PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR,STEREO-PHOTOGRAPHIC PROCESSES
PHOTOGRAPHY
PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES
PHYSICS
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Summary:A photosensitive recording material containing a pyrazolin-5-one reducing agent having at least one hydrogen atom in its 4-position in chemical interreactive relationship with a photoreducible dye capable when exposed to activiating electromagnetic radiation adsorbable by the dye of initiating oxidation of the pyrazolin-5-one reducing agent, whereby imagewise exposure of the material to such radiation causes the reducing properties of said pyrazolin-5-one agent to be substantially eliminated in the exposed areas thereof and an image recording method using the same. The material can also contain a bi-imidazolyl compound.
Bibliography:Application Number: CA19710109889