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Archive | 1978

Polyamines containing amide groups

Wolfgang Lehmann; Friedhelm Muller; Wilfried Dr. Löbach; Gunther Cramm; Knut Dr. Hammerström


Archive | 1976

Preparation of 4-alkylthiosemicarbazides

Gunther Cramm; Eckart Kranz; Gunter Hellrung


Archive | 1996

Process for the preparation of 4,6-dichloropyrimidines

Gunther Cramm; Volker Kass; Guido Steffan


Archive | 1985

Paper auxiliary from condensation product of aliphatic polyol-ether-amine and compound polyfunctional toward amino groups

Wolf-Dieter Dr. Schröer; Janos Dr. Muszik; Gunther Cramm; Otto Dr. Benn


Archive | 1978

Amide groups-containing polyamines, process for their preparation, their use in the manufacture of paper and additives containing these polyamines

Wolfgang Lehmann; Friedhelm Muller; Wilfried Dr. Löbach; Gunther Cramm; Knut Dr. Hammerström


Archive | 1992

Process for the preparation of 2-chloropyridines

Gunther Cramm; Hans Lindel; Guido Steffan


Archive | 1992

Process for the preparation of 2-chloro-pyridines

Gunther Cramm; Hans Lindel; Guido Steffan


Archive | 1978

Polyamines containing amide groups and their use in paper manufacture

Wolfgang Lehmann; Friedhelm Muller; Gunther Cramm; Knut Dr. Hammerström; Wilfried Dr. Löbach


Archive | 1982

Polyamines containing urea groups prepared from lactam or aminocarboxylic acid

Wilfried Dr. Löbach; Gunter Kolb; Wolfgang Lehmann; Gunther Cramm; Friedhelm Muller; Janos Dr. Muszik


Archive | 1980

Polyamines containing urea groups

Wilfried Dr. Löbach; Gunter Kolb; Wolfgang Lehmann; Gunther Cramm; Friedhelm Muller; Janos Dr. Muszik

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