G - Physics – 03 – C
Patent
G - Physics
03
C
G03C 5/38 (2006.01) G03C 5/395 (2006.01) G03C 5/44 (2006.01) G03C 7/44 (2006.01)
Patent
CA 2105444
Abstract of the Disclosure This invention provides a three part replenisher for a bleach-fix solution, and a method of replenishment using same. Part A of the replenisher contains thiosulphate and a preservative; Part B contains a ferric aminopolycarboxylic acid complex; and Part C contains an organic acid. The total ammonium ion content of Parts A and B is less than 50%. This invention also provides a method of bleaching silver halide photographic elements utilizing the replenished bleach-fix solution.
Cribbs Thomas P. III
Gordon Stuart Terrance
Stephen Keith Henry
Eastman Kodak Company
Gowling Lafleur Henderson Llp
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