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Dye coupler - Wikipedia
- https://en.wikipedia.org/wiki/Dye_coupler
- Dye coupler is present in chromogenic film and paper used in photography, primarily color photography. When a color developer reduces ionized (exposed) silver halide crystals, the developer is oxidized, and the oxidized molecules react with …
Dye coupler - wikinone.com
- https://www.wikinone.com/Dye_coupler.html
- Dye coupler is present in chromogenic film and paper used in photography, primarily color photography. When a color developer reduces ionized (exposed) silver halide crystals, the developer is oxidized, and the oxidized molecules react with dye coupler molecules to form a dye in situ.[1] The silver image is removed by subsequent bleach and fix processes, so the final …
US Patent for Photographic dye-forming coupler, …
- https://patents.justia.com/patent/5576150
- The invention provides a photographic light sensitive silver halide emulsion layer having associated therewith a pyrazolotriazole dye-forming coupler having formula: ##STR1## wherein: R.sub.1 is a substituent bonded to the pyrazolotriazole nucleus by a fully substituted carbon atom;X is hydrogen or a coupling-off group;R.sub.2, R.sub.3, R.sub.4, and R.sub.6 are …
NEW Patent CD for Photographic element with yellow dye …
- https://www.amazon.com/Photographic-element-dye-forming-coupler-stabilizing/dp/B002AS29EK
- Amazon.com: NEW Patent CD for Photographic element with yellow dye-forming coupler and stabilizing : Everything Else
Dye coupler
- https://yamm.finance/wiki/Dye_coupler.html
- Dye coupler Dye coupleris present in chromogenicfilmand paperused in photography, primarily color photography. When color developer reducesionized (exposed) silver-halide crystals, the developer is oxidized, and the oxidized molecules react with …
Photographic dye-forming coupler, emulsion layer, element, and …
- https://www.freepatentsonline.com/5698386.html
- The invention provides a photographic light sensitive silver halide emulsion layer having associated therewith a pyrazolotriazole dye-forming coupler having the formula: ##STR1## wherein: R 1 is a substituent bonded to the pyrazolotriazole nucleus by a fully substituted carbon atom; . X is hydrogen or a coupling-off group;
US Patent for Photographic yellow dye-forming couplers …
- https://patents.justia.com/patent/6040126
- A photographic element comprises a light sensitive silver halide emulsion layer having associated therewith an open chain .alpha.-carbonyl acetanilide yellow dye-forming coupler having the formula: ##STR1## wherein R.sub.1 is selected from the group consisting of alkyl, aryl, heterocyclic, and amino groups, provided that R.sub.1 may form a ring bonded to another …
Chromogenic print - Wikipedia
- https://en.wikipedia.org/wiki/Chromogenic_print
- A chromogenic print, also known as a C-print or C-type print, a silver halide print, or a dye coupler print, is a photographic print made from a color negative, transparency or digital image, and developed using a chromogenic process.
Photographic element with dye-forming coupler and stabilizing …
- https://www.freepatentsonline.com/6444412.html
- Photographic element with dye-forming coupler and stabilizing compound . United States Patent 6444412 . Abstract: The invention relates to a photographic element comprising a light sensitive silver halide emulsion layer having associated therewith one or more dye-forming couplers and a stabilizer compound of formula (I): wherein. R 1 and R 2 ...
Couplers in colour photography - Chemistry and function: …
- https://www.researchgate.net/publication/288740475_Couplers_in_colour_photography_-_Chemistry_and_function_Part_1
- Download Citation | Couplers in colour photography - Chemistry and function: Part 1 | Rudolf Fischer's concept of ‘chromogenic development’ of sensitized silver halide, which used only one ...
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