Radiation imagery chemistry: process – composition – or product th – Radiation sensitive product – Two or more radiation-sensitive layers containing other than...
Patent
1992-11-10
1994-02-08
Bowers, Jr., Charles L.
Radiation imagery chemistry: process, composition, or product th
Radiation sensitive product
Two or more radiation-sensitive layers containing other than...
430372, 430551, 430546, 430380, 430440, 430566, 430264, G03C 146
Patent
active
052847390
ABSTRACT:
Photographic materials having incorporated sulphonyhdrazide color developing agents. Such photographic materials have at least two color-forming units, each of which has a silver halide emulsion layer and a photographic coupler. A ballasted heterocyclic sulphonhydrazide color developing agent is present in the material in droplets of a high boiling point solvent. A method of forming a photographic color image using such materials is also provided.
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Clarke David
Goddard John D.
Milner Nigel E.
Stanley Paul L. R.
Bowers Jr. Charles L.
Eastman Kodak Company
Letscher Geraldine
Stewart Gordon M.
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