Silver halide elements containing yellow forming color couplers for
申请人:AGFA-GEVAERT N.V.
公开号:US04201584A1
公开(公告)日:1980-05-06
Novel color forming couplers for use in silver halide color photography are described. These couplers upon oxidative coupling with an aromatic primary amino color developing agent produce dyes of improved stability against light and dyes having favorable spectral absorption characteristics. The couplers have high coupling activity and thus produce high color densities. The novel couplers are acylacetanilide compounds whereof the phenyl nucleus of the anilide group carries oxyhydrocarbon groups, preferably alkoxy groups in the 2-, 4- and 5-position with respect to the amido group.
Acylacetanilide compounds and their use as yellow forming colour couplers for silver halide photography
申请人:AGFA-GEVAERT
naamloze vennootschap
公开号:EP0001650A1
公开(公告)日:1979-05-02
Novel colour forming couplers for use in silver halide colour photography are described. These couplers upon oxidative coupling with an aromatic primary amino colour developing agent produce dyes of improved stability against light and dyes having favourable spectral absorption characteristics. The couplers have high coupling activity and thus produce high colour densities.
The novel couplers are acylacetanilide compounds whereof the phenyl nucleus of the anilide group carries oxyhydrocarbon groups, preferably alkoxy groups irrthe 2-, 4-and 5-position with respect to the amido group.