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Dive into the research topics where Hans-Helmut Dr Schwarz is active.

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Featured researches published by Hans-Helmut Dr Schwarz.


Archive | 1991

Process for the preparation of 1,1,1,3,3,3-hexafluoropropane and 2-chloro-1,1,1,3,3,3-hexafluoropropane

Karl-Rudolf Gassen; Dietmar Bielefeldt; Albrecht Marhold; Hans-Helmut Dr Schwarz


Archive | 1973

PROCESS FOR THE PURIFICATION OF CAPROLACTAM

Otto Immel; Hans-Helmut Dr Schwarz


Archive | 1977

Process for the preparation of trimethylolalkanes

Otto Immel; Hans-Helmut Dr Schwarz; Oskar Weissel; Heinrich Krimm


Archive | 1979

Process for the preparation of 2,2-dimethylolalkanals

Otto Immel; Hans-Helmut Dr Schwarz; Hein Quast


Archive | 1984

Process for the preparation of substituted succinic acid amides

Jürgen Dr. Kadelka; Hans-Helmut Dr Schwarz


Archive | 1989

Ruthenium supported catalyst, its preparation and its use in the preparation of substituted or unsubstituted cyclohexylamine and substituted or unsubstituted dicyclohexylamine

Otto Immel; Hans-Helmut Dr Schwarz; Reinhard Thiel


Archive | 1989

Ruthenium catalyst, process for its preparation and process for the preparation of a mixture of cyclohexylamine and dicyclohexylamine using the ruthenium catalyst

Otto Immel; Hans-Helmut Dr Schwarz


Archive | 2002

Process for the preparation of trimethylolpropane

Otto Immel; Hans-Helmut Dr Schwarz; Hein Quast; Eberhard Dipl Ing Bandtel


Archive | 1978

Process for isolating dinitrogen monoxide

Hans-Helmut Dr Schwarz


Archive | 1977

Process for the preparation of propane-1,3-diols, disubstituted in the 2-position

Otto Immel; Hans-Helmut Dr Schwarz; Oskar Weissel

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