| 9382198 |
Preparation of light-colored isocyanates |
Reinhard Halpaap, Tilak Suren Lewkebandara |
2016-07-05 |
|
| 8563768 |
Process for the preparation of isocyanates |
Rainer Bruns, Wolfgang Lorenz, Friedhelm Steffens |
2013-10-22 |
|
| 8378140 |
Processes for preparing low-chlorine isocyanates |
Frank Diehl, Alexander Schwarz, Rainer Bruns |
2013-02-19 |
|
| 7615662 |
Process for the preparation of isocyanates in the gas phase |
Fritz Pohl, Klaus Biskup, Rainer Bruns, Friedhelm Steffens |
2009-11-10 |
|
| 7541487 |
Process for the preparation of isocyanates in the gas phase |
Fritz Pohl, Klaus Biskup, Rainer Bruns, Friedhelm Steffens |
2009-06-02 |
|
| 7019164 |
Process for the production of (poly)isocyanates in the gas phase |
Martin Friedrich |
2006-03-28 |
$740,000 |
| 6930199 |
Process for the preparation of diisocyanates |
Jürgen Meyn |
2005-08-16 |
$342,000 |
| 6838578 |
Process for preparing (cyclo)aliphatic isocyanates |
Hans-Joachim Leimkühler, Wolfgang Leuckel |
2005-01-04 |
$366,000 |
| 6803482 |
Process for the production of isocyanates in the gas phase |
Marc Jenne, Heiko Herold, Martin Friedrich |
2004-10-12 |
$395,000 |
| 6800781 |
Process for quenching a gaseous reaction mixture during the gas phase phosgenation of diamines |
Heiko Herold, Hans-Joachim Brockhaus, Volker Michele |
2004-10-05 |
$827,000 |
| 6706913 |
Process for preparing (cyclo)aliphatic isocyanates |
Hans-Joachim Leimkühler, Helmut Schmidt |
2004-03-16 |
$346,000 |
| 5859146 |
Impact-resistant thermoplastic molding materials |
Sabine Kielhorn-Bayer, Dietrich Sanger, Friedhelm Lehrich, Peter Rieger |
1999-01-12 |
|
| 5516935 |
Process for the production of diisocyanates |
Eric Bischof, Peter Briedenbach, Jurgen Dahmer, Andreas Flink, Attila Molnar |
1996-05-14 |
|
| 5026789 |
Curable impact modified epoxy resin having stabilized multiphase morphology |
Thomas Weber, Walter Heckmann, Jurgen Mertes, Helmut Tesch, Volker Altstaedt +3 more |
1991-06-25 |
|
| 4879409 |
Cycloaliphatic diisocyanates, optionally in the form of isomeric mixtures and a process for their preparation |
Hartmut Knofel, Michael Brockelt, Stefan Penninger |
1989-11-07 |
|
| 4879408 |
Cycloaliphatic diisocyanates optionally in the form of isomer mixtures and a process for their production |
Hartmut Knofel, Michael Brockelt, Stefan Penninger |
1989-11-07 |
|
| 4847408 |
Process for the preparation of (cyclo)aliphatic diisocyanates |
Hans-Georg Frosch, Heinrich Grave, Eckart Waldau, Peter Fuhrmann |
1989-07-11 |
|
| 4786751 |
Dissocyanates, diisocyanate mixtures and a process for their production |
Hartmut Knofel, Michael Brockelt, Stefan Penninger |
1988-11-22 |
|
| RE32628 |
Curable compositions based on epoxy resins |
Helmut Tesch, Manfred Heym, Walter Doerflinger, Peter Neumann, Dietmar Nissen +1 more |
1988-03-22 |
|
| 4675437 |
Cycloaliphatic triisocyanates |
Hartmut Knofel, Stefan Penninger, Michael Brockelt, Gunter Hammen |
1987-06-23 |
|
| 4665150 |
Epoxy resin mixtures |
Helmut Tesch, Michael Portugall, Gerhard Heinz |
1987-05-12 |
|
| 4607069 |
Curable compositions based on epoxy resins |
Helmut Tesch, Manfred Heym, Walter Doerflinger, Peter Neumann, Dietmar Nissen +1 more |
1986-08-19 |
|
| 4603189 |
Triisocyanates and a process for their preparation |
Hartmut Knofel, Stefan Penninger, Michael Brockelt, Gunter Hammen |
1986-07-29 |
|
| 4559398 |
Curable epoxy resins |
Helmut Tesch, Andreas Henne, Manfred Heym |
1985-12-17 |
|
| 4507431 |
Preparation of crosslinked polyurethane ionomer dispersions |
Gunter Eckert |
1985-03-26 |
|
