Issued Patents All Time
Showing 1–25 of 42 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6805816 | Method of producing &pgr;-conjugated polymers | Lambertus Groenendaal, Friedrich Jonas, Helmut Ritter, Joachim Storsberg | 2004-10-19 |
| 6784278 | Polycarbonates, polyester carbonates and polyesters having branched terminal groups | Helmut-Werner Heuer, Rolf Wehrmann, Alexander Meyer, Friedrich-Karl Bruder, Jos Marie Johannes PAULUSSE | 2004-08-31 |
| 6670406 | Process for producing polyether polyols | Jörg Hofmann, Stephan Ehlers, Bernd Klinksiek, Bert Klesczewski, Christian Steinlein +2 more | 2003-12-30 |
| 6458918 | Method for producing partially crystalline polyether polyols | Walter Schafer, Jörg Hofmann, Pramod Gupta, Hanns P. Muller | 2002-10-01 |
| 6297346 | Mixtures of cyclic oligocarbonates, their production and use | Burkhard Kohler, Duane B. Priddy, Jr., Yun Chen, Robert J. Kumpf | 2001-10-02 |
| 6156871 | Mixtures of cyclic oligocarbonates, their production and use | Burkhard Kohler, Duane B. Priddy, Jr., Yun Chen, Robert J. Kumpf | 2000-12-05 |
| 6093793 | Process for the production of polyether polyols | Jörg Hofmann, Pramod Gupta | 2000-07-25 |
| 5998327 | Zinc/metal hexacyanocobaltate complex compounds, a process for their preparation, and their use in a process for the production of polyether polyols | Jörg Hofmann, Pramod Gupta, Pieter Ooms, Walter Schafer | 1999-12-07 |
| 5932664 | Process for the production of hydrogenated ring-opened metathesis polymers | Yun Chen, Ralf Dujardin, Uli Franz | 1999-08-03 |
| 5786440 | Mixtures of cyclic oligocarbonates and their manufacture | Burkhard Kohler, Duane B. Priddy, Jr., Yun Chen, Robert J. Kumpf | 1998-07-28 |
| 5693722 | Method for modifying the backbone of polymeric resins | Duane B. Priddy, Jr., Burkhard Kohler, Robert J. Kumpf | 1997-12-02 |
| 5688590 | High heat resistant molded parts produced by structural reaction injection molding | E. Haakan Jonsson, Kristen L. Parks, Philip E. Yeske, Douglas A. Wicks | 1997-11-18 |
| 5633389 | Thermoreversible coating and a process for its manufacture | Erik H. Jonsson, Philip E. Yeske, Douglas A. Wicks | 1997-05-27 |
| 5623019 | Compatibilized thermoplastic molding composition | Jeffrey S. Wiggins, Robert J. Kumpf, Joachim Franke, Clifford J. Lau | 1997-04-22 |
| 5618889 | Poly(arylether)/liquid crystalline polyester block copolymers and a process for their production | Robert J. Kumpf, Douglas A. Wicks, Dittmar Nerger, Rolf Wehrmann | 1997-04-08 |
| 5529739 | Process for the production of molded products using internal mold release agents | Erik H. Jonsson, Kristen L. Parks, Randall C. Rains | 1996-06-25 |
| 5464893 | Radiation-resistant polycarbonates | Rick L. Archey, Charles E. Lundy, Aaron D. Meltzer, Gerhard Fennhoff, Ralf Hufen +3 more | 1995-11-07 |
| 5453457 | Gamma-radiation-resistant polycarbonate composition | Aaron D. Meltzer, Rick L. Archey | 1995-09-26 |
| 5414054 | Copolycarbonate having improved low-temperature impact strength | Erik H. Jonsson, Rick L. Archey, Robert J. Kumpf, Aaron D. Meltzer, Raymond A. Yourd, III | 1995-05-09 |
| 5399658 | Gamma-radiation-resistant polycarbonate composition | Rick L. Archey, Robert J. Kumpf, Aaron D. Meltzer | 1995-03-21 |
| 5382645 | Process for the preparation of crosslinked poly(isocyanates) | Aaron D. Meltzer | 1995-01-17 |
| 5368968 | Modified polyester resins, a process for their preparation and toners containing such polyester resins | Rolf Wehrmann, Matthias Kocher, Gunter Klug | 1994-11-29 |
| 5364913 | Thermoset compositions based on nylon-1 | Aaron D. Meltzer, Douglas A. Wicks | 1994-11-15 |
| 5342905 | Process for making an ester containing polyether sulfone | Robert J. Kumpf, Aaron D. Meltzer | 1994-08-30 |
| 5328977 | Polymerization catalyst for the preparation of poly(isocyanates) | Aaron D. Meltzer, Gary W. Munko | 1994-07-12 |