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Borst Hans-Ulrich

Agfa-Gevaert

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Archive | 2003

Photographic material, e.g. color negative, reversal or positive film, color (reversal) paper or dye diffusion transfer or silver dye bleach material, contains benzofuranone compound with substituent promoting adsorption on silver halide

Siegel Joerg; Borst Hans-Ulrich; Odenwaelder Heinrich; Karthaeuser Silvia; Wagner Klaus

Archive | 2000

Color photographic silver halide material, e.g. negative, reversal or positive film or color or color reversal paper, with sulfur and selenium and/or tellurium sensitizers is stabilized with dithiophosphoric or dithiophosphonic acid O-ester

Bergthaller Peter; Borst Hans-Ulrich; Siegel Joerg

Archive | 2000

Color photographic silver halide material, e.g. negative, reversal or positive film or color or color reversal paper, with sulfur and selenium and/or tellurium sensitizers is stabilized with acid hexahydro-s-triazine-2-thione

Bergthaller Peter; Borst Hans-Ulrich; Siegel Joerg

Archive | 2000

Production of a silver bromide-iodide emulsion with core-shell grains useful in color negative film uses 5-ring heterocycle with no mercapto or thiosulfonate substituents during double-jet precipitation of high bromide shell

Brennecke Detlef; Borst Hans-Ulrich; Willsau Johannes; Buescher Ralf; Bell Peter; Siegel Joerg; Kapitza Detlev

Archive | 2000

Spectrally-sensitized silver halide emulsion, useful in photographic material, e.g. color photographic camera or copying material, is supersensitized with 1-substituted 5-oxo-, 5-thio- or 5-imino-dihydro-1,2,4-triazole compound

Bergthaller Peter; Siegel Joerg; Borst Hans-Ulrich; Wagner Klaus

Archive | 2000

Photographic silver halide material, especially color photographic material, contains 1,2,4-triazoline 3-thio- or -seleno-ether compound(s)

Bergthaller Peter; Siegel Joerg; Borst Hans-Ulrich

Archive | 1999

Spectrally sensitised silver halide emulsion super-sensitised without excessive fogging

Bergthaller Peter Dr; Siegel Joerg Dr; Borst Hans-Ulrich

Archive | 2003

Color photographic material, e.g. negative or reversal film or paper, with packets of silver halide emulsions of different speed for each color sensitivity has slow to medium layer with emulsions differing in grain size and iodide content

Siegel Joerg; Borst Hans-Ulrich; Bell Peter; Karthaeuser Silvia; Wagner Klaus; Schuetz Heinz

Archive | 2003

Color photographic material combining improved sensitivity with good storage stability is chemically ripened with a short chain xanthate and spectrally sensitized with a cyanine dye

Siegel Joerg; Borst Hans-Ulrich; Bergthaller Peter

Archive | 2003

Color photographic material with reduced fog without sacrifice in sensitivity uses a long-chain xanthate as stabilizer to counteract the fogging effect of sulfur-, selenium or tellurium ripeners

Siegel Joerg; Borst Hans-Ulrich; Bergthaller Peter

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Siegel Joerg

Agfa-Gevaert

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Bergthaller Peter

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Bell Peter

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Buescher Ralf

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Kapitza Detlev

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Karthaeuser Silvia

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Wagner Klaus

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Schuetz Heinz

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Odenwaelder Heinrich

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Endres Lothar

Agfa-Gevaert

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