Issued Patents All Time
Showing 1–25 of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8784709 | Method for manufacturing a formed body with a cavity structure for sound and/or heat insulation and formed body for sound and/or heat insulation | Martin Hitzler, Eva Kohler, Silke Leingruber | 2014-07-22 |
| 6942716 | Production of metal forms | Wilfried Knott, Dagmar Windbiel | 2005-09-13 |
| 6915834 | Process for producing metal foam and metal body produced using this process | Wilfried Knott, Benno Niedermann, Manfred Recksik | 2005-07-12 |
| 6874562 | Process for producing metal/metal foam composite components | Wilfried Knott, Benno Niedermann, Manfred Recksik | 2005-04-05 |
| 6854506 | Process for producing shaped metal parts | Wilfried Knott, Benno Niedermann, Manfred Recksik | 2005-02-15 |
| 6730749 | Siloxane block copolymers having linked siloxane blocks | Georg Burkhart, Rolf-Dieter Langenhagen | 2004-05-04 |
| 6659162 | Production of large-area metallic integral foams | Georg Frommeyer, Wilfried Knott, Manfred Recksik | 2003-12-09 |
| 6617365 | Use of silicon-polyether copolymers in the production of high resilience polyurethane foams | Georg Burkhart, Georg Feldmann-Krane, Ingo Fleute-Schlachter | 2003-09-09 |
| 6521771 | Use of zinc treated with metal hydride in organometallic synthesis | Georg Frommeyer, Wilfried Knott, Jurij Weiss, Dagmar Windbiel | 2003-02-18 |
| 6444007 | Production of metal foams | Wilfried Knott | 2002-09-03 |
| 6414175 | Innovative siloxane block copolymers with rigid spacers and their use | Georg Burkhart, Rolf-Dieter Langenhagen | 2002-07-02 |
| 6387154 | Process for separating molten metals | Georg Frommeyer, Wilfried Knott | 2002-05-14 |
| 6380277 | Iodonium salt photoinitiators containing urethane groups for cationic curing | Sascha Oestreich, Stefanie Volkmer | 2002-04-30 |
| 6197089 | Activated magnesium metal | Georg Frommeyer, Wilfried Knott | 2001-03-06 |
| 6194475 | Use of metal salts of ricinoleic acid in producing polyurethane | Tammo Boinowitz, Georg Burkhart, Ralf Hoffmann, Felix Muller, Hans-Heinrich Schlons +2 more | 2001-02-27 |
| 6166098 | Use of organofunctionally modified polysiloxanes in the production of polyurethane foam | Georg Burkhart | 2000-12-26 |
| 6117963 | Tetrahydrofuran-containing silicone polyethers | Tammo Boinowitz, Georg Burkhart, Rolf-Dieter Langenhagen | 2000-09-12 |
| 5990187 | Method of preparing polyurethane foam utilizing organofunctionally modified polysiloxanes | Tammo Boinowitz, Georg Burkhart, Rolf-Dieter Langenhagen, Ingo Schlachter | 1999-11-23 |
| 5985948 | Use of silicone polyether copolymers in the production of high-resilience polyurethane foams | Georg Burkhart, Bernd-Jurgen Klietsch, Rolf-Dieter Langenhagen | 1999-11-16 |
| 5844010 | Method of preparing polyurethane foam utilizing block copolymers having linked siloxane blocks | Georg Burkhart, Rolf-Dieter Langenhagen | 1998-12-01 |
| 5391679 | Method for the synthesis of polyether siloxanes | Georg Burkhart, Dietmar Schaefer, Dietmar Wewers | 1995-02-21 |
| 5357018 | Polysiloxane-polyoxyalkylene block copolymers with different polyoxyalkylene blocks in the average molecule | Georg Burkhart, Rolf-Dieter Langenhagen, Volker Zellmer | 1994-10-18 |
| 5321051 | Polysiloxane-polyoxyalkylene block copolymers with different polyoxyalkylene blocks in the average molecule | Georg Burkhart, Rolf-Dieter Langenhagen, Volker Zellmer | 1994-06-14 |
| 5306737 | Polysiloxane-polyoxyalkylene block copolymers with different polyoxyalkylene blocks in the average molecule | Georg Burkhart, Rolf-Dieter Langenhagen, Volker Zellmer | 1994-04-26 |
| 5208311 | Organopolysiloxanes with polyether and ester groups linked to a common spacer group | Dietmar Schaefer, Dietmar Wewers | 1993-05-04 |