Patent · US Expired

Color photographic silver halide material

US6569611B2 · kind B2 · utility

0Cited by

8References

22Claims

0Family size

Assignee

Agfa-Gevaert NV · BE

Inventors

Jan Haller · Leverkusen, DE
Ralf Wirowski · Neunburg vorm Wald, DE

Key dates

Filing date	Jan 10, 2002
Grant date	May 27, 2003
Priority date	—
Expiry date	Jan 10, 2022

Classification

Technology area (CPC G)Physics
CPC primaryG03C7/3335
WIPO fieldOptics
WIPO sectorInstruments

Abstract

A color photographic silver halide material having a support, which material comprises at last one blue-sensitive, yellow-coupling silver halide emulsion layer and at least one green-sensitive, magenta-coupling silver halide emulsion layer and at least one red-sensitive, cyan-coupling silver halide emulsion layer, and which contains at least one masking coupler which has two chromophores which absorb in the wavelength range from 420 to 750 nm and are eliminable or decolorizable by coupling with the developer oxidation product, is distinguished by improved sensitivity associated with undiminished color purity.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.