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( 22265 of 22265 ) |
United States Patent | 3,630,735 |
Itano , et al. | December 28, 1971 |
Images formed in free radical photosensitive materials comprising organic halogen-containing photoactivators capable of generating halogen free radicals upon exposure to light are fixed by treatment with aqueous solutions of reducing heavy metal salts.
Inventors: | Itano; Kohei (Tokyo, JA), Hoshino; Shoichiro (Tokyo, JA), Kato; Akira (Tokyo, JA) |
Assignee: |
Keuffel & Esser Co.
(Hoboken,
NJ)
|
Appl. No.: | 04/662,591 |
Filed: | August 23, 1967 |
Aug 24, 1966 [JA] | 41/55418 | |||
Current U.S. Class: | 430/337 |
Current International Class: | G03C 5/56 (20060101); G03C 1/675 (20060101); G03c 005/24 (); G03c 001/72 () |
Field of Search: | 96/88,89,90,48 |
3512976 | May 1970 | Yamada et al. |
3351467 | November 1967 | Sprague et al. |
3377167 | April 1968 | Fichter |
Concise Chemical and Technical Dictionary, page 456, Edited by H. Bennett, published by Chemical Publishing Company, Inc., Brooklyn, New York, 1947. |
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