Issued Patents All Time
Showing 25 most recent of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5483614 | Optical waveguide moldings made from silicon nitride and a method of detecting optical wavelengths using same | Martin Bruck, Tilo Vaahs, Ude Scheunemann, Thomas Stehlin, Jurgen Theis | 1996-01-09 |
| 5358746 | Optical moldings made from silicon nitride, and a process for their production | Martin Bruck, Tilo Vaahs, Ude Scheunemann, Thomas Stehlin, Jurgen Theis | 1994-10-25 |
| 5225243 | Fiber-reinforced composite materials and process for their preparation | Martin Bruck, Tilo Vaahs, Hans-Jerg Kleiner | 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, Martin Bruck | 1993-03-23 |
| 5188781 | Silicon nitride ceramic and a process for its preparation | — | 1993-02-23 |
| 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, Martin Bruck | 1993-02-23 |
| 5182411 | Polymeric chlorosilazanes, process for their preparation, ceramic materials containing silicon nitride which can be manufactured therefrom, and their manufacture | Tilo Vaahs, Martin Bruck | 1993-01-26 |
| 5176941 | Process of producing a ceramic/fiber composite using a molten polysilazone | Martin Bruck, 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 | Tilo Vaahs, Martin Bruck, Hans-Jerg Kleiner, Ralf Riedel, Martin Sehr +1 more | 1992-11-10 |
| 5139717 | High-strength ceramic composite, process for its preparation and its use | Martin Bruck, Tilo Vaahs, Hans-Jerg Kleiner, Fritz Aldinger | 1992-08-18 |
| 5128287 | Silicon nitride ceramic having devitrified intergranular glass phase and a process for its preparation | — | 1992-07-07 |
| 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, Martin Bruck | 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, Martin Bruck, Fritz Aldinger | 1992-01-28 |
| 5081078 | Sinterable ceramic powder, process for its preparation, silicon nitride ceramic manufactured therefrom, process for its manufacture and its use | Martin Bruck, Thomas Gerdau, Hans-Jerg Kleiner, Tilo Vaahs, Fritz Aldinger | 1992-01-14 |
| 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, Martin Bruck | 1992-01-14 |
| 5075266 | Process for the production of ceramic material containing silicon nitride from polymeric hydridochlorosilazanes | Thomas Gerdau, Hans-Jerg Kleiner, Martin Bruck, Fritz Aldinger | 1991-12-24 |
| 5066623 | Polymeric hydridosilazanes and processes for their preparation, and their use | Thomas Gerdau, Hans-Jerg Kleiner, Martin Bruck, Fritz Aldinger | 1991-11-19 |
| 5059565 | Silicon nitride ceramic and a process for its preparation | Cornelia Boberski | 1991-10-22 |
| 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, Martin Bruck | 1991-07-16 |
| 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, Martin Bruck | 1991-04-30 |
| 5008423 | Polymeric hydridochlorosilazanes and processes for their preparation | Thomas Gerdau, Hans-Jerg Kleiner, Martin Bruck, Fritz Aldinger | 1991-04-16 |
| 5002648 | Process for producing an inorganic thin film on a substrate using a target | Eugen Morach, Gunter Schmidt, Hans-Peter Scholch | 1991-03-26 |
| 4952670 | Polymeric hydridothiosilazanes, processes for the preparation thereof, silicon nitride-containing ceramic materials which can be prepared therefrom, and the preparation thereof | Tilo Vaahs, Hans-Jerg Kleiner, Martin Bruck | 1990-08-28 |
| 4946920 | 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, Martin Bruck | 1990-08-07 |
| 4939225 | 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, Martin Bruck | 1990-07-03 |