FL

Friedhelm Lehrich

Basf Se: 10 patents #1,659 of 13,826Top 15%
EG Elastogran Gmbh: 1 patents #1 of 15Top 7%
Overall (All Time): #428,420 of 4,157,543Top 15%
12
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
5859146 Impact-resistant thermoplastic molding materials Sabine Kielhorn-Bayer, Herbert Stutz, Dietrich Sanger, Peter Rieger 1999-01-12
5837760 Self-extinguishing thermoplastic polyurethanes and their preparation Christa Hackl, Gerhard Bittner 1998-11-17
5834542 Impact-resistant thermoplastic molding materials Sabine Kielhorn-Bayer, Ulrich Eichenauer 1998-11-10
5654479 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 Siegmund Pohl, Bernd Bruchmann, Helmut Tesch, Roland Minges, Johann Swoboda +3 more 1997-08-05
5621138 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 Siegmund Pohl, Bernd Bruchmann, Helmut Tesch, Roland Minges, Johann Swoboda +3 more 1997-04-15
5597942 Carbodiimides and/or oligomeric polycarbodiimides based on 1 3-bis (1-methyl-1-isocyanatoethyl) benzene their use as hydrolysis stabilizers Siegmund Pohl, Manfred Genz, Bernd Bruchmann, Helmut Tesch, Roland Minges +1 more 1997-01-28
5532414 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 Siegmund Pohl, Bernd Bruchmann, Helmut Tesch, Roland Minges, Johann Swoboda +3 more 1996-07-02
5504241 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, Manfred Genz, Bernd Bruchmann, Helmut Tesch, Roland Minges +1 more 1996-04-02
5498747 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, Manfred Genz, Bernd Bruchmann, Helmut Tesch, Roland Minges +1 more 1996-03-12
5484827 UV-stabilizer concentrates based on TPU, a process for their production and utilization Frank Prissok, Gerhard Lehr, Aleksander Glinka, Douglas J. Harrop 1996-01-16
5246993 Oligomeric carbodiimides Deitrich Scherzer, Roland Minges, Werner Langer 1993-09-21
5162387 Preparation of polyurethane elastomers, and mixtures suitable for this purpose comprising polyoxybutylene-polyoxyalkylene glycols and glycidyl compounds Ulrich Abel, Wolfgang Straehle, Peter Groll 1992-11-10