Title:
DEVELOPER SOLUTIONS
Document Type and Number:
WIPO Patent Application WO/1993/011460
Kind Code:
A1
Abstract:
A redox-amplification solution comprising hydrogen peroxide, or a substance capable of releasing hydrogen peroxide, or reducing agent, such as a colour developing agent, and in combination two or more sequestering agents for complexing with a transition metal ion to inhibit catalysis of impurities emanating from a photographic film coating and enhance the stability of the solution; a method of photographic colour processing including a step using the redox-amplication solution and its use therefor.
More Like This:
Inventors:
Twist, Peter Jeffery
Application Number:
PCT/EP1992/002763
Publication Date:
June 10, 1993
Filing Date:
November 30, 1992
Export Citation:
Assignee:
KODAK LIMITED EASTMAN KODAK COMPANY TWIST, Peter, Jeffery
International Classes:
G03C5/305; G03C7/30; G03C7/407; (IPC1-7): G03C5/305; G03C7/30
Download PDF: