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Alfred Brack

Bayer

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European Journal of Organic Chemistry | 1965

Über kondensierte Pyrazolopyridine

Alfred Brack

Archive | 1985

Chromogenic 4,4-diaryl-dihydroquinazolones, their preparation and their use

Horst Berneth; Alfred Brack

Angewandte Chemie | 1991

Salt‐free Synthesis of Azo and Hydrazone Dyes Under CO2 Pressure

Roderich Raue; Alfred Brack; Karl H. Lange

Angewandte Chemie | 1991

Salzfreie Synthese von Azo- und Hydrazonfarbstoffen unter CO2-Druck†

Roderich Raue; Alfred Brack; Karl H. Lange

Archive | 1988

Chromogenic 4,4-diaryldihydroquinazolones

Horst Berneth; Alfred Brack; Karlheinrich Meisel

Archive | 1996

Process for the preparation of dyestuffs

Roderich Raue; Alfred Brack; Karl-Heinrich Lange

Archive | 1978

Benz-(C,D)-indolyl compounds

Horst Harnisch; Alfred Brack

Archive | 1974

Transfer printing process

Alfred Brack

Archive | 1974

BENZ-[C,D]-INDOLIUM DYESTUFFS

Alfred Brack; Hubertus Psaar

Archive | 1973

KATIONISCHE FARBSTOFFE, IHRE HERSTELLUNG UND VERWENDUNG

Alfred Brack; Ernst Schmitt

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