Patents Represented by Law Firm Connolly & Hute
  • Patent number: 5888719
    Abstract: A color photographic material with a support and at least one spectrally sensitised silver halide emulsion layer containing at least one color coupler, which layer contains a polymer with repeat units of the structure I ##STR1## in which R.sub.1, R.sub.2, R.sub.3 are identical or different and mean hydrogen, alkyl or halogen,L means a chemical bond or a linking member andX means a group which reacts with NH.sub.2 --, COOH-- or OH-- groups in an addition or condensation reaction,in dispersed form with an average particle size of <300 nm, is distinguished by improved "dark fading" stability.
    Type: Grant
    Filed: July 29, 1996
    Date of Patent: March 30, 1999
    Assignee: AGFA-Gevaert AG
    Inventor: Gunter Helling