Issued Patents All Time
Showing 1–25 of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7045644 | Imidochromium compounds in catalyst systems for olefin polymerization | Markus Schopf, Joerg Sundermeyer, Jennifer Kiepke, Konstantin A. Rufanov, Uwe Peucker | 2006-05-16 |
| 6784261 | Imidochromium compounds contained in catalyst systems for olefin polymerization | Markus Schopf, Joerg Sundermeyer, Jennifer Kiepke, Konstantin A. Rufanov, Uwe Peucker | 2004-08-31 |
| 5612451 | Amphoteric metal oxides as cocatalyst in the electrophilic synthesis of polyaryl ether ketones | Thomas Heitz, Alexander Gl uck, Ralf Richter | 1997-03-18 |
| 5313001 | Process for the preparation of .alpha.-flurostyrene | Arno Knebelkamp | 1994-05-17 |
| 5026804 | Polymerization of halo aryl olefin | Andreas Greiner | 1991-06-25 |
| 5006636 | Process for the production of SiO.sub.2 containing polybenzamides | Manfred Spies | 1991-04-09 |
| 4950737 | Catalytic/solvent preparation of vinylene copolymers from ethylene and haloaromatic compound | Andreas Greiner | 1990-08-21 |
| 4946937 | Vinylene copolymer | Andreas Greiner | 1990-08-07 |
| 4874397 | Coal gasification process | — | 1989-10-17 |
| 4866154 | Aromatic polyester from substituted hydroquinone and biphenyl dicarboxylic acid | Hans-Werner Schmidt | 1989-09-12 |
| 4839436 | Polyphenylene oxides with high molecular weight and a process for their preparation and their use | Karl-Heinrich Schneider | 1989-06-13 |
| 4835244 | Substituted aromatic polyesters | Wilhelm Brugging | 1989-05-30 |
| 4769423 | Block copolymers of optionally substituted poly(oxy-1,4-phenylene) segments and liquid crystalline segments | Wilhelm Risse | 1988-09-06 |
| 4758652 | Process for preparing oligomers and telechels having carboxy-piperazine units, and new oligomers and telechels of poly(carboxypiperazine) | Reinhold Schwalm | 1988-07-19 |
| 4743674 | Aromatic polyesters, processes for their preparation, and their use for the preparation of molecularly reinforced polymers | Uwe Kampschulte, Ludwig Bottenbruch, Dieter Freitag, Hans-Rudolf Dicke | 1988-05-10 |
| 4696999 | Process for the production of polybenzamide with halide catalyst | Manfred Spies, Peter Strohriegl | 1987-09-29 |
| 4686262 | Thermoplastic block copolyesters, a process for the preparation thereof and their use for the production of mouldings | Rudolf Binsack, Karl-Heinz Köhler, Ulrich Grigo, Leo Morbitzer, Ludwig Bottenbruch | 1987-08-11 |
| 4677185 | Process for the preparation of bifunctional polyphenylene oxide | Wilhelm Risse | 1987-06-30 |
| 4605713 | Process for the production of polyarylene sulphides with functional end groups | Wolfgang Koch | 1986-08-12 |
| 4605732 | Process for the production of polyarylene sulphides with functional end groups | Wolfgang Koch | 1986-08-12 |
| 4598143 | Process for the preparation of aromatic polyamide in the presence of SiCl.sub.4 | Peter Strohriegl | 1986-07-01 |
| 4567226 | Elastomeric block copolyamides | Ulrich Grigo, Karl-Heinz Köhler, Rudolf Binsack, Leo Morbitzer, Josef Merten +1 more | 1986-01-28 |
| 4537951 | Process for the production of optionally branched polyarylene sulfides | Karsten-Josef Idel, Edgar Ostlinning, Wolfgang Koch, Ludwig Bottenbruch | 1985-08-27 |
| 4525579 | Process for the production of optionally branched polyarylene sulphides with polyhalogenated polyaromatic compound | Karsten-Josef Idel, Edgar Ostlinning, Wolfgang Koch | 1985-06-25 |
| 4521584 | Process for the production of bifunctional polyphenylene ethers | Wilhelm Risse | 1985-06-04 |