Issued Patents All Time
Showing 1–25 of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8648163 | High molecular weight, random, bisphenol based copoly(phosphonate carbonate)s | Dieter Freitag, Pin Go, Lawino Kagumba, Stephan Konrad, Helmut-Werner Heuer +3 more | 2014-02-11 |
| 8410184 | Regeneration of acidic ion exchangers | Christian Münnich, Ulrich Blaschke | 2013-04-02 |
| 8389664 | High molecular weight, random, bisphenol based copoly(phosphonate carbonate)s | Dieter Freitag, Pin Go, Lawino Kagumba, Stephan Konrad, Helmut-Werner Heuer +3 more | 2013-03-05 |
| 7799889 | Polycarbonates with good wettability | Alexander Meyer, Helmut Einberger, Wolfgang Ebert, Wilfried Haese, Uli Franz +1 more | 2010-09-21 |
| 7763757 | Crystallization processes for producing bisphenols | Christian Münnich, Ulrich Blaschke, Rob Eek, Raymond Audenaert, Gert Tytgat | 2010-07-27 |
| 7582720 | Light-scattering shaped articles of high light transmission and the use thereof in flat screens | Claus Rüdiger, Marco Roelofs, Jurgen Rohner, Tanja Gruter-Reetz | 2009-09-01 |
| 7301056 | Process for the separation of phenol from phenol-containing streams from the preparation of Bisphenol A | Rob Eek, Raymond Audenaert | 2007-11-27 |
| 7071283 | Reactive rectification | Gerald John, Edmund Dikow, Christine Mendoza-Frohn, Georg Ronge, Rolf Bachmann +1 more | 2006-07-04 |
| 6919487 | Bis(4-hydroxyaryl)alkanes | Rainer Neumann, Rolf Lanze, Frieder Heydenreich, Michael Bödiger | 2005-07-19 |
| 6906227 | Bisphenol phenol adducts | Rainer Neumann, Rolf Lanze, Frieder Heydenreich, Michael Bödiger | 2005-06-14 |
| 6887970 | Method for producing polycarbonates | Silke Kratschmer, Uwe Hucks | 2005-05-03 |
| 6828465 | Method for producing bisphenols | Rainer Neumann, Rolf Lanze, Frieder Heydenreich, Michael Bödiger | 2004-12-07 |
| 6774268 | Substance mixture containing bisphenol A | Michael Bödiger, Rainer Neumann, Frieder Heydenreich | 2004-08-10 |
| 6723881 | Method for conditioning ion exchangers | Michael Bödiger, Rainer Neumann, Frieder Heydenreich, Gerhard Fennhoff, Ulrich Schnegg +3 more | 2004-04-20 |
| 6723885 | Bisphenol production | Frieder Heydenreich, Michael Bödiger, Rainer Neumann, Gerhard Fennhoff, Johan Vaes | 2004-04-20 |
| 6710152 | Solid particles | Rolf Lanze, Uwe Hucks | 2004-03-23 |
| 6710211 | Method for the production of bisphenol-a | Frieder Heydenreich, Michael Bödiger, Rainer Neumann | 2004-03-23 |
| 6706848 | Method for producing polycarbonate | Uwe Hucks, Rolf Lanze | 2004-03-16 |
| 6703473 | Process for producing polycarbonate | Uwe Hucks, Kaspar Hallenberger, Silke Kratschmer, Steffen Kuhling | 2004-03-09 |
| 6683223 | Fluidised bisphenol dust | Michael Bödiger, Rainer Neumann, Nikolai Kostyszyn, Rolf Lanze, Frieder Heydenreich | 2004-01-27 |
| 6682794 | Polycarbonate containers | Klaus Horn, Steffen Kuhling, Ralf Hufen, Rolf Lanze, Rainer Neumann +3 more | 2004-01-27 |
| 6675844 | Method of loading moist, sticky bulk material into a fluid pervious container | Lutz Gottschalk, Georg Ronge, Johannes-Peter Schafer, Dirk Müller, Werner Verhoeven +1 more | 2004-01-13 |
| 6590128 | Initiation method of a method for producing 2,2-bis(4-hydroxyphenyl)propane | Michael Bödiger, Rainer Neumann, Frieder Heydenreich, Hans-Ludwig Fofonka | 2003-07-08 |
| 6509406 | Plastic molding materials which can be detected by X-ray contrast | Axel Brenner, Martin Döbler | 2003-01-21 |
| 6395864 | Polycarbonates with a low yellowness index | Steffen Kuhling, Rolf Lanze, Rainer Neumann, Hermann Kauth, Christian Kords +3 more | 2002-05-28 |