Activator solution with cold image tone-providing agent

Details Activator solution with cold image tone-providing agent Activator solution with cold image tone-providing agent

1990-07-09

1991-08-06

Bowers, Jr., Charles L.

Radiation imagery chemistry: process, composition, or product th

Nonradiation sensitive image processing compositions or...

430490, 430491, G03C 526

Patent

active

050377272

ABSTRACT:
Potassium iodide (or a related iodide) when incorporated in an alkaline activator for use in a rapid access processor using developer-incorporated, resin-coated paper, (i) produces a cold image tone in black-and-white photographic prints, and (ii) maintains the image tone of a large number of prints within a narrow image tone range over a (one week or one thousand 8.times.10 inch print) design life of the activator solution.

REFERENCES:
patent: 2607686 (1952-08-01), Current
patent: 3515555 (1970-06-01), Fassbender
patent: 3619186 (1971-11-01), Parsons
patent: 4124390 (1978-11-01), Kohn
patent: 4436805 (1984-03-01), Iguchi et al.
G. Haist, Modern Photographic Processing, vol. 1, 1979, pp. 260-262, John Wiley & Sons, New York.
B/W Print Processing with the Kodak Royalprint Processor, 1980.
Operating the Kodak Royalprint Processor Model 417, Nov. 1984.
Maintaining the Kodak Royalprint Processor Model 417, Nov. 1984.

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