Photographic color process utilizing 2-pyrazolin-5-one couplers
Abstract
Abstract PHOTOGRAPHIC COLOR MATERIAL COMPRISING IN A LIGHTSENSITIVE SILVER HALIDE EMULSION LAYER OR IN A NON-LIGHTSENSITIVE WATER-PERMEABLE COLLOID LAYER IN WATER-PERMEABLE RELATIONSHIP COLLOID LAYER IN WATER-PERMEABLE RELATIONSHIP WITH THE SAID EMULSION LAYER A MAGENTAFORMING COLOR COUPLER OF THE 2-PYRAZOLIN-5-ONE TYPE WHEREIN SAID COLOR COUPLER CONTAINS IN THE 1-POSITION A PHENYL GROUP CARRYING AT LEAST ONE HALOALKYLOXY GROUP, HALOALKYLTHIO GROUP OR HALOALKYLSULPHONYL GROUP. THE PHOTOGRAPHIC COLOR MATERIALS AS A RESULT OF THE SELECT COLOR COUPLER HAVE NARROW SPECTRAL ABSORPTION CURVES AND, THEREFORE, SHOW LITTLE SIDE ABSORPTION IN THE UNDESIRABLE REGIONS OF THE SPECTRUM AND, ADDITIONALLY, HAVE GOOD MOISTURE AND LIGHT STABILITY.
Inventors
- 👤 Raphael Karel Van Poucke
- 👤 Marcel Jacob Monbaliu
- 👤 Hans Glockner
- 👤 Ernst Meier
Bibliographic Details
Claims Analysis
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