Issued Patents All Time
Showing 1–25 of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7086420 | Multilayered elastomer hose with reinforcement layer consisting of sulfur-containing polymer material | Peter Kahn | 2006-08-08 |
| 6262224 | Rapid oxidation of polyarylene sulfide fiber material | Dirk Zierer, Helmut Scheckenbach | 2001-07-17 |
| 6069181 | Process for recycling polyarylene sulfides | Andreas Schleicher | 2000-05-30 |
| 5994416 | Process for recycling polyarylene sulfides | Andreas Schleicher | 1999-11-30 |
| 5994483 | Process for preparing polymer blends by recycling high-performance polymers | Stefan Disch, Klaus Kohlhepp | 1999-11-30 |
| 5698485 | Process for producing ceramic microstructures from polymeric precursors | Tilo Vaahs, Wolfgang Bocker, Wolfgang Ehrfeld, Manfred Lacher, Ludwig Giebel | 1997-12-16 |
| 5483614 | Optical waveguide moldings made from silicon nitride and a method of detecting optical wavelengths using same | Tilo Vaahs, Marcellus Peuckert, Ude Scheunemann, Thomas Stehlin, Jurgen Theis | 1996-01-09 |
| 5358746 | Optical moldings made from silicon nitride, and a process for their production | Tilo Vaahs, Marcellus Peuckert, Ude Scheunemann, Thomas Stehlin, Jurgen Theis | 1994-10-25 |
| 5225243 | Fiber-reinforced composite materials and process for their preparation | Tilo Vaahs, Hans-Jerg Kleiner, Marcellus Peuckert | 1993-07-06 |
| 5196556 | Polysubstituted chlorine-containing silazane polymers, process for their preparation, ceramic materials containing silicon nitride which can be manufactured therefrom, and their manufacture | Tilo Vaahs, Marcellus Peuckert | 1993-03-23 |
| 5189132 | Polymeric hydridochlorosilazanes, process for their preparation, ceramic materials containing silicon nitride which can be manufactured therefrom, and their manufacture | Tilo Vaahs, Thomas Gerdau, Hans-Jerg Kleiner, Marcellus Peuckert | 1993-02-23 |
| 5187252 | Silazane polymers containing SiCl groups, process for their preparation, silicon nitride-containing ceramic materials which can be prepared from them, and their preparation | Tilo Vaahs, Hans-Jerg Kleiner | 1993-02-16 |
| 5182411 | Polymeric chlorosilazanes, process for their preparation, ceramic materials containing silicon nitride which can be manufactured therefrom, and their manufacture | Tilo Vaahs, Marcellus Peuckert | 1993-01-26 |
| 5176941 | Process of producing a ceramic/fiber composite using a molten polysilazone | Marcellus Peuckert, Thomas Gerdau, Tilo Vaahs, Hans-Jerg Kleiner, Fritz Aldinger | 1993-01-05 |
| 5162272 | Sinterable ceramic powder, process for its production, silicon nitride ceramic produced therefrom, process for its production and its use | Marcellus Peuckert, Tilo Vaahs, Hans-Jerg Kleiner, Ralf Riedel, Martin Sehr +1 more | 1992-11-10 |
| 5139717 | High-strength ceramic composite, process for its preparation and its use | Marcellus Peuckert, Tilo Vaahs, Hans-Jerg Kleiner, Fritz Aldinger | 1992-08-18 |
| 5100975 | Chlorine-containing silazane polymers, process for their preparation, ceramic material containing silicon nitride which can be prepared from them, and their preparation | Tilo Vaahs, Marcellus Peuckert | 1992-03-31 |
| 5084423 | Polysilazanes, process for the preparation thereof, silicon, nitride-containing ceramic materials which can be prepared therefrom, and the preparation thereof | Tilo Vaahs, Hans-Jerg Kleiner, Marcellus Peuckert, Fritz Aldinger | 1992-01-28 |
| 5081080 | Polymeric hydridosilazanes, processes for the preparation thereof, silicon nitride-containing ceramic materials which can be prepared therefrom, and the preparation thereof | Tilo Vaahs, Thomas Gerdau, Marcellus Peuckert | 1992-01-14 |
| 5081078 | Sinterable ceramic powder, process for its preparation, silicon nitride ceramic manufactured therefrom, process for its manufacture and its use | Marcellus Peuckert, Thomas Gerdau, Hans-Jerg Kleiner, Tilo Vaahs, Fritz Aldinger | 1992-01-14 |
| 5075266 | Process for the production of ceramic material containing silicon nitride from polymeric hydridochlorosilazanes | Thomas Gerdau, Hans-Jerg Kleiner, Marcellus Peuckert, Fritz Aldinger | 1991-12-24 |
| 5066623 | Polymeric hydridosilazanes and processes for their preparation, and their use | Thomas Gerdau, Hans-Jerg Kleiner, Marcellus Peuckert, Fritz Aldinger | 1991-11-19 |
| 5032663 | Chlorine-containing silazane polymers, process for their preparation, ceramic materials containing silicon nitride which can be prepared from them, and their preparation | Tilo Vaahs, Marcellus Peuckert | 1991-07-16 |
| 5030702 | Polysilazanes, processes for their preparation, ceramic materials which contain silicon nitride and can be prepared from them, and preparation thereof | Tilo Vaahs, Hans-Jerg Kleiner, Marcellus Feuckert | 1991-07-09 |
| 5011801 | Polymeric ethylene-bridged chlorosilazanes, process for their preparation, ceramic materials which can be prepared from them containing silicon nitride, and their preparation | Tilo Vaahs, Marcellus Peuckert | 1991-04-30 |