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Dive into the research topics where Ernst Schefczik is active.

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Featured researches published by Ernst Schefczik.


Archive | 1986

Dyestuffs with thiophene rests

Günter Dr. Hansen; Ernst Schefczik; Karl-Heinz Etzbach; Helmut Reichelt; Hermann Loeffler


Archive | 1990

Triazole pyridine dyes and a thermal transfer process of methine dyes

Ruediger Sens; Ernst Schefczik; Karl-Heinz Etzbach; Gunther Lamm; Helmut Reichelt; Matthias Wiesenfeldt


Archive | 1992

N-aminopyridone dyes

Karl-Heinz Etzbach; Ernst Schefczik; Ruediger Sens; Matthias Wiesenfeldt


Archive | 1990

Triazolopyridine dyes and thermal transfer of methine dyes

Ruediger Sens; Ernst Schefczik; Karl-Heinz Etzbach; Gunther Lamm; Helmut Reichelt; Matthias Wiesenfeldt


Archive | 1994

Dyes containing thiophene radicals

Guenter Hansen; Ernst Schefczik; Karl-Heinz Etzbach; Helmut Reichelt; Hermann Loeffler


Archive | 1990

(1,2,4)triazo (1,5-a)pyridine

Ernst Schefczik; Helmut Reichelt


Archive | 1988

Azo dyes with a diazo component of the 3-amino thiophene series and a coupling component of the pyridine, pyridone or pyrazole series

Karl-Heinz Etzbach; Helmut Reichelt; Guenter Hansen; Ernst Schefczik; Helmut Hagen; Gunther Lamm


Archive | 1994

Acylamino-substituted isoxazole or isothiazole derivatives, their preparation and their use

Peter Muenster; Ernst Schefczik; Hartmann Koenig; Matthias Gerber; Karl-Otto Westphalen; Helmut Walter


Archive | 1989

Naphtholactam dyes and optical recording medium containing these dyes

Matthias Dr. Dust; Peter Neumann; Ernst Schefczik; Heidi Dr. Benthack-Thoms; Helmut Barzynski; Klaus-Dieter Dr. Schomann; Harald Kupplemaier; Eberhard Koester


Archive | 1989

Isothiazole azo dyes

Guenter Hansen; Ernst Schefczik; Helmut Reichelt

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