Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6506281 | Method for isolating polymers from solutions | Jorgen Weinschenck, Klemens Kohlgrüber, Jürgen Heuser, Christian Kords, Thomas Elsner | 2003-01-14 |
| 6178293 | Method and an apparatus for improving heat transfer | Peter Clasen, Hans-Joachim Brockhaus, Karl-Heinz Jonen | 2001-01-23 |
| 5852157 | Process for the production of polycarbonate agglomerate | Gottfried Zaby, Klemens Kohlgrüber, Hugo Obermann | 1998-12-22 |
| 5830977 | Process for the isolation of partially crystalline polycarbonate powder | Claus Wulff, Gottfried Zaby, Klemens Kohlgrüber, Hugo Obermann, Steffen Kuhling | 1998-11-03 |
| 5817211 | Process and device for continuous evaporation to dryness of viscous solutions and suspensions with a tendency to stick | Dieter Grenner, Hartmut Hetzel | 1998-10-06 |
| 5684087 | Process for producing thermoplastic granulated polymer material from polymer solutions | Claus Wulff, Gottfried Zaby, Klemens Kohlgrüber, Thomas Bamberger, Hugo Obermann | 1997-11-04 |
| 5268073 | Continuous process for concentrating solutions containing salts and resins | Jorgen Weinschenck | 1993-12-07 |
| 5256707 | Continuous process for concentrating polymer solutions up to a required specification level of residual solvents | Jorgen Weinschenck | 1993-10-26 |
| 5164030 | Continuous process for the separation of solutions and suspensions | Jorgen Weinschenck | 1992-11-17 |
| 4637857 | Process for the removal of residual constituents | Rolf Brockmann, Walter Damsky, Axel Lippert, Johannes O. Sajben | 1987-01-20 |
| 4472558 | Process for carrying out reactions caused by the transport of substances | Henning Klussmann, Gunter Lehr, Johannes O. Sajben, Artur Reischl, Rudolf Binsack +1 more | 1984-09-18 |
| 4430156 | Process for drying pumpable suspensions | Dieter Grenner, Gerd-Rudiger Klette, Edzard Tholema | 1984-02-07 |
| 4430181 | Process for the preparation of benzoyl chloride | Rainer Neumann, Karl Morgenstern, Karl-August Lipper, Friedrich Bruhne, Walter Bockmann +1 more | 1984-02-07 |
| 4200713 | Process for the anionic homo- or co-polymerization of aromatic vinyl compounds | Frank Wingler, Lothar Liebig | 1980-04-29 |