Radiation imagery chemistry: process – composition – or product th – Including control feature responsive to a test or measurement
Patent
1996-05-01
1997-11-04
Le, Hoa Van
Radiation imagery chemistry: process, composition, or product th
Including control feature responsive to a test or measurement
430398, 430400, G03C 744
Patent
active
056838395
ABSTRACT:
A method of processing a black-and-white photographic silver halide material in which the material is passed though a processing machine having a number of processing tanks including a developing tank, a tank with fixing ability and one or more wash or stabiliser tanks wherein the rate of addition of wash or stabiliser solution to one or more of said wash or stabiliser tanks is a function of the concentration of silver or halide ions in one or more of the wash, stabiliser or fix tanks. No silver recovery means associated with the wash, fix or stabiliser bath is necessary.
REFERENCES:
patent: 4265431 (1981-05-01), Falomo
patent: 4995913 (1991-02-01), Juers
patent: 5294955 (1994-03-01), Frank
patent: 5480769 (1996-01-01), Ueflinger et al.
Research Disclosure Item No. 36362, Jul. 1994, pp. 397-399, Replenishment and Silver Recovery System for Processing of Silver Halide Photographic Materials.
Research Disclosure Item No. 37252, Apr. 1995, pp. 282-284, Replenishment and Silver Recovery System for Processing of Silver Halide Photographic Materials, Part II.
Eastman Kodak Company
Everett John R.
Le Hoa Van
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