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Dive into the research topics where Friedhelm Dr Lehrich is active.

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Featured researches published by Friedhelm Dr Lehrich.


Archive | 1995

Carbodiimides and/or oligomeric polycarbodiimides based on 1,3-bis(1-methyl-1-isocyanatoethyl)benzene, their preparation, and their use as hydrolysis stabilizers

Siegmund Pohl; Friedhelm Dr Lehrich; Manfred Genz; Bernd Bruchmann; Helmut Dr Tesch; Roland Dr Minges; Joachim Dr Streu


Archive | 1994

Carbodiimides and/or oligomeric polycarbodiimides based on 1,3-bis-(1-methyl-1-isocyanatoethyl)-benzene, process for their preparation and their use as stabilizer against hydrolysis

Siegmund Pohl; Friedhelm Dr Lehrich; Manfred Genz; Bernd Bruchmann; Helmut Dr Tesch; Roland Dr Minges; Joachim Dr Streu


Archive | 1996

Carbodiimides and/or oligomeric polycarbodiimides based on 1 3-bis (1-methyl-1-isocyanatoethyl) benzene their use as hydrolysis stabilizers

Siegmund Pohl; Friedhelm Dr Lehrich; Manfred Genz; Bernd Bruchmann; Helmut Dr Tesch; Roland Dr Minges; Joachim Dr Streu


Archive | 1992

Preparation of polyurethane elastomers, and mixtures suitable for this purpose comprising polyoxybutylene-polyoxyalkylene glycols and glycidyl compounds

Ulrich Dr Abel; Friedhelm Dr Lehrich; Wolfgang Dr. Straehle; Peter Groll


Archive | 1993

4-substituted bis(2,6-diisopropylphenyl)-carbodiimides, their preparation, their use, and 4-substituted 2,6-diisopropylphenyl isocyanates which can be used for their preparation

Friedhelm Dr Lehrich; Siegmund Pohl; Bernd Bruchmann; Helmut Dr Tesch; Roland Dr Minges; Johann Dr Swoboda; Manfred Genz; Guenter Scholz; Joachim Dr Streu


Archive | 1996

Impact-resistent thermoplastic moulding compositions

Sabine Dr Kielhorn-Bayer; Herbert Dr. Stutz; Dietrich Dr. Sänger; Friedhelm Dr Lehrich; Peter Rieger


Archive | 1993

Bis-(4-substituted-2,6-diisopropylphenyl)-carbodiimides, process for their preparation and their use and the intermediates for their preparation 4-substituted-2,6-diisopropyl phenylisocyanate

Friedhelm Dr Lehrich; Siegmund Pohl; Bernd Bruchmann; Helmut Dr Tesch; Roland Dr Minges; Johann Dr Swoboda; Manfred Genz; Guenter Scholz; Joachim Dr Streu


Archive | 1995

Schlagzähe thermoplastische Formmassen

Ulrich Eichenauer; Sabine Dr Kielhorn-Bayer; Friedhelm Dr Lehrich


Archive | 1992

Process for the production of polyurethane elastomers and mixtures of polyoxybutylene-polyoxyalkylene glycols and glycidyl compounds suitable therefore

Ulrich Dr Abel; Friedhelm Dr Lehrich; Wolfgang Dr. Straehle; Peter Groll


Archive | 1995

Impact-resistant thermoplastic shaping compounds

Ulrich Eichenauer; Sabine Dr Kielhorn-Bayer; Friedhelm Dr Lehrich

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