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Photographic image transfer element and process
T957002 Photographic image transfer element and process

Patent Drawings:
Inventor: Meyer
Date Issued: April 5, 1977
Application: 05/738,767
Filed: November 4, 1976
Inventors: Meyer; James W. (Rochester, NY)
Assignee:
Primary Examiner:
Assistant Examiner:
Attorney Or Agent:
U.S. Class: 430/211; 430/338
Field Of Search:
International Class:
U.S Patent Documents:
Foreign Patent Documents:
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Abstract: a photographic element is disclosed which includes a support having as a coating thereon a radiation-sensitive layer capable of selectively releasing protons in exposed areas. In direct contact with the radiation-sensitive layer is an image-forming dye capable of shifting between a mobile and an immobile form in an aqueous medium upon protonation of a carboxy or amine substituent. The portion of the dye remaining mobile after imagewise protonation can be transferred to a receiver sheet to form a viewable dye image.
Claim:
Description:
 
 
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