Photographic element containing organosilanes

Details Photographic element containing organosilanes Photographic element containing organosilanes

G - Physics

03

C

96/111, 96/215

G03C 7/32 (2006.01) C07F 7/08 (2006.01) C07F 7/18 (2006.01) G03C 7/392 (2006.01)

Patent

CA 1311645

- 0 - PHOTOGRAPHIC ELEMENT CONTAINING ORGANOSILANES Abstract of the Disclosure A photographic element comprising a support having thereon at least one silver halide emulsion layer having associated therewith a dye-forming coupler and an organosilane, nonhydrolyzable in an alkaline medium, wherein: (a) one or two aryloxy groups are attached to the silicon atom of the silane either directly or indirectly through an alkylene group or an alkyleneoxy group, and (b) each aryloxy group is attached directly or indirectly through a single linking group to an aryl group substituted with a hydroxy, hydroxyalkoxy, organosilyloxy, organosilylalkoxy or organosilyloxyalkoxy group. Use of the compounds provides an improvement in density and contrast.

526088

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