Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 |