Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8337824 | Linear polyol stabilized polyfluoroacrylate compositions | Detlef Albrecht, Michael Burdick, Han-Ting Chang, Dominique Charmot, Ramakrishnan Chidambaram +5 more | 2012-12-25 |
| 7077964 | Process for preparing monodisperse ion exchangers having chelating functional | Reinhold Klipper, Ulrich Schnegg, Bruno Hees, Bernhard Lehmann, Holger Lutjens | 2006-07-18 |
| 7053129 | Process for preparing monodisperse anion exchangers | Reinhold Klipper, Ulrich Schnegg, Rudiger Seidel, Alfred Mitschker, Holger Lutjens | 2006-05-30 |
| 6649663 | Process for preparing monodisperse ion exchangers having chelating functional groups and the use thereof | Reinhold Klipper, Ulrich Schnegg, Bruno Hees, Bernhard Lehmann, Holger Lutjens | 2003-11-18 |
| 6329435 | Process for preparing monodisperse, crosslinked bead polymers having thiourea groups and their use for adsorbing metal compounds | Reinhold Klipper, Ulrich Schnegg, Heiko Hoffmann, Dieter Mauer, Bernhard Lehmann +2 more | 2001-12-11 |
| 6251314 | Process for the preparation of microencapsulated polymers | Olaf Halle, David Harrison, Wolfgang Podszun | 2001-06-26 |
| 6221287 | Process for the preparation of crosslinked spherical polymers | Wolfgang Podszun, Olaf Halle, Robert Bloodworth, Holger Lutjens | 2001-04-24 |
| 6074982 | Catalyst agent for etherifying, hydrogenating and isomerizing crude . C.sub4 -C.sub.8 - hydrocarbon mixtures having sulfur content | Hans-Jurgen Bister, Arnd Stuwe, Herbert Tschorn, Rudolf Wagner | 2000-06-13 |
| 6060558 | Crosslinked bead-form polymers | Wolfgang Podszun, Olaf Halle, Robert Bloodworth, Holger Lutjens | 2000-05-09 |
| 6020385 | Process for the preparation of microencapsulated polymers | Olaf Halle, Wolfgang Podszun, Robert Bloodworth, Axel Ingendoh | 2000-02-01 |
| 5932152 | Process for preparing crosslinked bead-form polymers | Wolfgang Podszun, Olaf Halle, Robert Bloodworth, Holger Lutjens | 1999-08-03 |
| 5834524 | Process for the preparation of crosslinked polymers | Robert Bloodworth, Holger Lutjens, Olaf Halle, Wolfgang Podszun | 1998-11-10 |
| 5773630 | Process for the preparation of N-substituted cyclic imides | Torsten Groth, Karl-Erwin Piejko, Winfried Joentgen, Josef Kasbauer, Bernd Alig | 1998-06-30 |
| 5464875 | Process for preparing weakly-basic anion exchangers and reagents suitable for this purpose | Reinhold Klipper, Stefan Antons, Guido Steffan, Alfred Mitschker, Holger Lutjens | 1995-11-07 |
| 5455368 | Process for separating off methanol from a mixture of dimethyl carbonate and methanol | Ingo Janisch, Heinz Landscheidt, Alexander Klausener | 1995-10-03 |
| 5357028 | Method of preparing polycarbonates and polyester carbonates | Ralf Pakull, Gerhard Fennhoff, Jurgen Kirsch | 1994-10-18 |
| 4427794 | Process for the preparation of bead polymers of uniform particle size by polymerization of microencapsulated monomer | Peter M. Lange | 1984-01-24 |
| 4319015 | Synthetic resins based on crosslinked copolymers of monovinyl and polyvinyl compounds | Harold Heller, Peter M. Lange | 1982-03-09 |