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Dive into the research topics where Hartmut Hetzel is active.

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Featured researches published by Hartmut Hetzel.


Archive | 1975

Process for the continuous degradation of plastics

Ernst Grigat; Hartmut Hetzel


Archive | 1978

Process for the preparation of polyisocyanates which contain biuret groups

Hartmut Hetzel; Klaus Dr. König; Hans G. Schmelzer; Kuno Wagner


Archive | 1982

Process for removing alkaline catalysts from polyether polyols

Hartmut Hetzel; Pramod Gupta; Roland Dr Nast; Herbert Echterhof; Ulrich Dipl Chem Dr Brocker


Archive | 1978

PROCESS FOR THE PURIFICATION OF POLYETHERS USING A TUBULAR COIL EVAPORATOR

Hartmut Hetzel; Pramod Gupta; Hans-Joachim Sandhagen


Archive | 1994

Continuous process for preparing aromatic amines

Uwe Jens Zarnack; Fritz Dr. Pohl; Dieter Dr Grenner; Hartmut Hetzel; Helmut Judat


Archive | 1994

Continuous process for the preparation of aromatic amines

Uwe Jens Zarnack; Fritz Dr. Pohl; Dieter Dr Grenner; Hartmut Hetzel; Helmut Judat


Archive | 1975

Process for the production of polyisocyanates containing uretdione groups

Eckhard Tiemann; Artur Reischl; Klaus Dr. König; Hartmut Hetzel


Archive | 1981

Process for working up polyether polyols

Hartmut Hetzel; Pramod Gupta; Roland Dr Nast; Herbert Echterhof


Archive | 1981

Process for separating polyurethane hydrolyzates into polyether and diamine

Georg Niederdellmann; Norbert Roemer; Jürgen Ing.grad. Schenk; Hartmut Hetzel; Ernst Grigat


Archive | 1977

Screw machine for the continuous degradation of plastics

Ernst Grigat; Hartmut Hetzel

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