HT

Helmut Tesch

Basf Se: 16 patents #948 of 13,826Top 7%
CT Cytec Technology: 3 patents #94 of 326Top 30%
Overall (All Time): #242,559 of 4,157,543Top 6%
19
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
5872278 Preparation of isocyanates having a light color Rupert Kraus, Martin Reif, Bernd Bruchmann 1999-02-16
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 Friedhelm Lehrich, Siegmund Pohl, Bernd Bruchmann, Roland Minges, Johann Swoboda +3 more 1997-08-05
5627222 Toughened, fiber-reinforced thermosetting resin matrix prepregs and composites made therefrom Hans-Gert Recker, Volker Altsaedt, Thomas Weber 1997-05-06
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 Friedhelm Lehrich, Siegmund Pohl, Bernd Bruchmann, Roland Minges, Johann Swoboda +3 more 1997-04-15
5605745 Toughened thermosetting structural materials Hans-Gert Recker, J. Timothy Hartness, Thomas Folda, Thomas Weber, Jack D. Boyd 1997-02-25
5597942 Carbodiimides and/or oligomeric polycarbodiimides based on 1 3-bis (1-methyl-1-isocyanatoethyl) benzene their use as hydrolysis stabilizers Siegmund Pohl, Friedhelm Lehrich, Manfred Genz, Bernd Bruchmann, 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 Friedhelm Lehrich, Siegmund Pohl, Bernd Bruchmann, Roland Minges, Johann Swoboda +3 more 1996-07-02
5532296 Bismaleimide resin systems toughened by addition of preformed functionalized low T.sub.g elastomer particles Hans-Gert Recker, Thomas Weber, Volker Altstaedt, Jack D. Boyd 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, Friedhelm Lehrich, Manfred Genz, Bernd Bruchmann, 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, Friedhelm Lehrich, Manfred Genz, Bernd Bruchmann, Roland Minges +1 more 1996-03-12
5242748 Toughened thermosetting structural materials Thomas Folda, Jack D. Boyd, Thomas Weber, Hans-Gert Recker 1993-09-07
5026789 Curable impact modified epoxy resin having stabilized multiphase morphology Thomas Weber, Walter Heckmann, Jurgen Mertes, Volker Altstaedt, Wolfgang Eberle +3 more 1991-06-25
4996267 Heat-curable resin mixture of monocyanate, polycyanate and reactive thermoplastic Dale Gerth, Peter Ittemann 1991-02-26
4743661 Poly (phenylene ethers) and their preparation Konrad Mitulla, Juergen Hambrecht, Burghard Schmitt, Hansjoachim Maeder 1988-05-10
4734444 Curable mixtures containing N-sulfonylaminosulfonium salts as cationically active catalysts Andreas Henne, Wolfram Ochs, Gunnar Schornick, Reinhold J. Leyrer 1988-03-29
RE32628 Curable compositions based on epoxy resins Manfred Heym, Walter Doerflinger, Herbert Stutz, Peter Neumann, Dietmar Nissen +1 more 1988-03-22
4665150 Epoxy resin mixtures Michael Portugall, Herbert Stutz, Gerhard Heinz 1987-05-12
4607069 Curable compositions based on epoxy resins Manfred Heym, Walter Doerflinger, Herbert Stutz, Peter Neumann, Dietmar Nissen +1 more 1986-08-19
4559398 Curable epoxy resins Andreas Henne, Manfred Heym, Herbert Stutz 1985-12-17