Issued Patents All Time
Showing 76–100 of 145 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5162272 | Sinterable ceramic powder, process for its production, silicon nitride ceramic produced therefrom, process for its production and its use | Marcellus Peuckert, Tilo Vaahs, Martin Bruck, Ralf Riedel, Martin Sehr +1 more | 1992-11-10 |
| 5155257 | Process for the preparation of acylaminomethanephosphonic acids | — | 1992-10-13 |
| 5139717 | High-strength ceramic composite, process for its preparation and its use | Marcellus Peuckert, Martin Bruck, Tilo Vaahs, Fritz Aldinger | 1992-08-18 |
| 5138079 | .alpha., .omega.-chlorosilazanes, and a process for their preparation | Tilo Vaahs | 1992-08-11 |
| 5109043 | Process for the preparation of organophosphorus derivatives of 2,4-di-tert-butylphenol, of 4,4'-dihalomagnesium compounds of biphenyl and the use of the organophosphorus derivatives for the stabilization of polyolefin molding | Manfred Bohshar, Karl Waldmann, Gerhard Pfahler | 1992-04-28 |
| 5096935 | 6-acyl-(6H)-dibenz[c,e][1,2]oxaphosphorin 6-oxides, their preparation and their use as photoinitiators | Joachim Gersdorf, Udo Bastian | 1992-03-17 |
| 5084536 | Reaction product of olefinically unsaturated compounds with compounds containing active hydrogen, processes for their preparation and 2-component lacquers based thereon | Gerhard Brindopke, Gerd Walz, Karl Waldmann, Manfred Schon | 1992-01-28 |
| 5084423 | Polysilazanes, process for the preparation thereof, silicon, nitride-containing ceramic materials which can be prepared therefrom, and the preparation thereof | Tilo Vaahs, Marcellus Peuckert, 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 | Marcellus Peuckert, Martin Bruck, Thomas Gerdau, Tilo Vaahs, Fritz Aldinger | 1992-01-14 |
| 5075266 | Process for the production of ceramic material containing silicon nitride from polymeric hydridochlorosilazanes | Thomas Gerdau, Martin Bruck, Marcellus Peuckert, Fritz Aldinger | 1991-12-24 |
| 5068298 | Alkenyl-phosphonic and -phosphinic esters, process for their preparation, their use and hydrogels prepared using them | Friedrich Engelhardt, Ulrich Riegel, Joachim Gersdorf | 1991-11-26 |
| 5066623 | Polymeric hydridosilazanes and processes for their preparation, and their use | Thomas Gerdau, Marcellus Peuckert, Martin Bruck, Fritz Aldinger | 1991-11-19 |
| 5066745 | Alkenylphosphonic and --phosphinic acid esters, process for their preparation, hydrogels produced using them, and their use | Friedrich Engelhardt, Ulrich Riegel, Joachim Gersdorf | 1991-11-19 |
| 5043474 | Optically active rhodium complexes of 3,4-bis(diarylphosphino)pyrrolidines and their use for the preparation of phosphinothricin by asymmetric hydrogenation | Wolf-Dieter Muller | 1991-08-27 |
| 5041357 | Radiation-polymerizable mixture and recording material containing it | Joachim Gersdorf | 1991-08-20 |
| 5030702 | Polysilazanes, processes for their preparation, ceramic materials which contain silicon nitride and can be prepared from them, and preparation thereof | Tilo Vaahs, Marcellus Feuckert, Martin Bruck | 1991-07-09 |
| 5008426 | Novel 6-acyl-(6H)-dibenz[c,e][1,2]oxaphosphorin 6-oxides, their preparation and their use as photoinitiators | Joachim Gersdorf, Udo Bastian | 1991-04-16 |
| 5008423 | Polymeric hydridochlorosilazanes and processes for their preparation | Thomas Gerdau, Marcellus Peuckert, Martin Bruck, Fritz Aldinger | 1991-04-16 |
| 4977066 | Alkenylphosphonic and -phosphinic acid esters, process for their preparation, and a radiation-polymerizable mixture containing said compounds | Joachim Gersdorf | 1990-12-11 |
| 4960919 | Process for the preparation of alkyl alkenylphosphinates | Gunter Roscher | 1990-10-02 |
| 4959441 | Alkenylphosphonic and -phosphinic acid esters, process for their preparation, hydrogels produced using them, and their use | Friedrich Engelhardt, Ulrich Riegel, Joachim Gersdorf | 1990-09-25 |
| 4952670 | Polymeric hydridothiosilazanes, processes for the preparation thereof, silicon nitride-containing ceramic materials which can be prepared therefrom, and the preparation thereof | Tilo Vaahs, Marcellus Peuckert, Martin Bruck | 1990-08-28 |
| 4948918 | Process for the preparation of .alpha.-aminoalkylphosphonic acids | Gunter Bartels | 1990-08-14 |
| 4946920 | Polysilazanes, processes for their preparation, ceramic materials which contain silicon nitride and can be prepared from them, and preparation thereof | Tilo Vaahs, Marcellus Peuckert, Martin Bruck | 1990-08-07 |
| 4935481 | Polysilazanes, process for the preparation thereof, silicon nitride-containing ceramic materials which can be prepared therefrom, and the prepaation thereof | Tilo Vaahs, Marcellus Peuckert, Martin Bruck, Fritz Aldinger | 1990-06-19 |