Predetermined chemical reactions in photographic imagewise configuration
Abstract
Abstract PROCESS FOR CARRYING OUT A PREDETERMINED CHEMICAL REACTION IN IMAGWISE CONFIGURATION WHICH COMPRISES EXPOSING AN ELEMENT COMPRISING (A) A FIRST SOLID LAYER COMPRISING A COMPOSITION CAPABLE OF UNDERGOING A PREDETERMINED CHEMICAL REACTION BEARING (B) A SECOND LAYER COMPRISING A COMPOSITION CAPABLE OF RECEIVING A POWDER IN IMAGE-WISE CONFIGURATION TO ACTINIC RADIATION TO FORM A LATENT POWDER-RECEPTICE IMAGE WITHOUT INITIALTING SAID PREDETERMINED CHEMICAL REACTION; DEVELOPING SAID LATENT IMAGE WITH POWDER PARTICELS COMPRISING A COMPLEMENTARY REAGENT WHICH, IN MINOR PROPORTION, EXERTS A MAJOR INFLUENCE ON THE COURSE OF SAID PREDETERMINED CHEMICAL REACTION TO FORM A LAYER OF POWDER PARTICLES IN IMAGE-WISE CONFIGURATION; BRINGING SAID COMPLEMENTARY REGENT INTO REACTIVE CONTACT WITH SAID COMPOSITION CAPABLE OF UNDERGOING SAID PREDETERMINED CHEMICAL REACTION; AND CARRYING OUT SAID PREDETERMINED CHEMICAL REACTION IN A PREDETERMINED CONFIGURATION CONFORMING TO THE IMAGE-WISE CONFIGURATION OF THE POWDER PARTICLES OF SAID SECOND LAYER.
Inventors
- 👤 Thomas F Protzman
Bibliographic Details
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