Method of processing silver halide materials

Details Method of processing silver halide materials Method of processing silver halide materials

2006-12-12

2006-12-12

Letscher, Geraldine (Department: 1752)

Radiation imagery chemistry: process, composition, or product th

Nonradiation sensitive image processing compositions or...

C430S455000, C430S459000, C430S486000, C430S448000, C430S415000

Reexamination Certificate

active

07147996

ABSTRACT:
Photographic silver halide materials containing an incorporated black-and-white developing agent can be quickly and simply processed using unique processing compositions and methods. In a “two-step” method, the exposed material is contacted with an alkaline activator solution followed by a fixing composition. In a “one-step” method, activation and fixing are combined using a single alkaline activator-fixing composition containing the fixing agent. None of the processing solutions include black-and-white developing agents. The photographic silver halide materials are preferably radiographic silver halide materials that have a reflective support and provide black-and-white images that can be viewed without a light box.

REFERENCES:
patent: 3622332 (1971-11-01), Kane
patent: 4447522 (1984-05-01), Hirano et al.
patent: 6022675 (2000-02-01), Fitterman et al.
U.S. Appl. No. 11/091,609 (D-88390), filed herewith, titledHigh Speed Reflective Radiographic Material, by R.E. Dickerson et al.
U.S. Appl. No. 11/091,601 (D-88389) filed herewith, titledReflective Radiographic Material with Incorporated Developer, by R.E. Dickerson et al.

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