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Featured researches published by Erich Hammerschmidt.


Archive | 1988

Thermotropic aromatic polymers with high elongation at break, processes for their preparation and their use for the production of moulded articles, filaments, fibres and films

Volker Eckhardt; Hans-Rudolf Dr. Dicke; Erich Hammerschmidt; Ludwig Bottenbruch; Frank Dr. Kleiner; Heinz-Ulrich Dipl Chem D Blank


Archive | 1985

Process for the preparation of 1-benzoylamino-8-hydroxynaphthalene-4,6-disulphonic acid (benzoyl-K acid)

Erich Hammerschmidt; Horst Behre; Bruno Dr. Krüger; Adolf Winkler


Archive | 1987

1-Aminomethylnaphthalene-6-sulphonic acid, its preparation and its use

Erich Hammerschmidt; Heinz Ulrich Dr. Blank


Archive | 1982

Process for the preparation of 1-amino-2-naphthol-4-sulfonic acid (amidol acid)

Erich Hammerschmidt; Horst Behre; Heinz Ulrich Dr. Blank; Otto Lindner


Archive | 2002

Process for preparing basic organic nitrogen-containing compounds by reduction with lithium aluminum hydride

Johannes Scherer; Gunter Rauchschwalbe; Erich Hammerschmidt; Heinz-Gerd Hartges


Archive | 1984

Process for preparing 1-amino-2-naphthol-4-sulphonic acid (amidol acid)

Erich Hammerschmidt; Horst Behre; Heinz Ulrich Dr. Blank; Otto Lindner


Archive | 2002

Process for treatment and purification of the reaction products obtained by reduction with lithium aluminium hydride

Johannes Scherer; Guenter Rauchschwalbe; Erich Hammerschmidt; Heinz-Gerd Hartges


Archive | 2000

A process for the production of basic organic nitrogen-containing compounds by reduction with lithium aluminum hydride

Johannes Scherer; Guenter Rauchschwalbe; Erich Hammerschmidt; Heinz-Gerd Hartges


Archive | 1996

Process for the preparation of alkyl aryl ethers containing carboxyl groups

Stefan Antons; Erich Hammerschmidt; Heinz Ulrich Dr. Blank; Helmut Dipl Chem Dr Fiege; Heinz-Gerd Hartges


Archive | 1995

Verfahren zur Herstellung von carboxylgruppenhaltigen Alkylarylethern Process for the preparation of carboxyl-containing alkyl aryl ethers

Stefan Antons; Erich Hammerschmidt; Heinz-Ulrich Dipl Chem D Blank; Helmut Dipl Chem Dr Fiege; Heinz-Gerd Hartges

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