Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6919487 | Bis(4-hydroxyaryl)alkanes | Rainer Neumann, Rolf Lanze, Michael Bödiger, Michael Prein | 2005-07-19 |
| 6906227 | Bisphenol phenol adducts | Rainer Neumann, Rolf Lanze, Michael Bödiger, Michael Prein | 2005-06-14 |
| 6828465 | Method for producing bisphenols | Rainer Neumann, Rolf Lanze, Michael Bödiger, Michael Prein | 2004-12-07 |
| 6774268 | Substance mixture containing bisphenol A | Michael Bödiger, Rainer Neumann, Michael Prein | 2004-08-10 |
| 6726354 | Device for mixing and reacting multiphase gaseous and liquid mixtures and use of this device | Werner Breuer, Gunter Jeromin, Helmut Judat | 2004-04-27 |
| 6723881 | Method for conditioning ion exchangers | Michael Bödiger, Rainer Neumann, Michael Prein, Gerhard Fennhoff, Ulrich Schnegg +3 more | 2004-04-20 |
| 6723885 | Bisphenol production | Michael Prein, Michael Bödiger, Rainer Neumann, Gerhard Fennhoff, Johan Vaes | 2004-04-20 |
| 6710211 | Method for the production of bisphenol-a | Michael Prein, Michael Bödiger, Rainer Neumann | 2004-03-23 |
| 6695991 | Device for exchanging a die plate of a prilling tower and method for the automatic exchange | Rolf Lanze, Günter Holdenried, Rainer Neumann, Tony van Osselaer | 2004-02-24 |
| 6689464 | Method and device for producing bisphenol a prills and bisphenol a prills produced according to this method | Rolf Lanze, Alfred Eitel, Rainer Neumann, Steffen Kuhling, Tony van Osselaer +2 more | 2004-02-10 |
| 6682794 | Polycarbonate containers | Klaus Horn, Steffen Kuhling, Ralf Hufen, Rolf Lanze, Michael Prein +3 more | 2004-01-27 |
| 6683223 | Fluidised bisphenol dust | Michael Bödiger, Rainer Neumann, Nikolai Kostyszyn, Rolf Lanze, Michael Prein | 2004-01-27 |
| 6590128 | Initiation method of a method for producing 2,2-bis(4-hydroxyphenyl)propane | Michael Bödiger, Rainer Neumann, Michael Prein, Hans-Ludwig Fofonka | 2003-07-08 |
| 6417318 | Process for the removal of dissolved oxygen from phenol | Rudolf Wagner, Michael Bödiger | 2002-07-09 |
| 6414198 | Method for producing bisphenol-A | Rolf Lanze, Rainer Neumann, Steffen Kuhling, Tony van Osselaer | 2002-07-02 |
| 6395864 | Polycarbonates with a low yellowness index | Steffen Kuhling, Rolf Lanze, Michael Prein, Rainer Neumann, Hermann Kauth +3 more | 2002-05-28 |
| 6384288 | Method for the production of bis(4-hydroxyaryl)alkanes | Steffen Kuhling, Rolf Lanze, Rainer Neumann, Tony van Osselaer | 2002-05-07 |
| 6316678 | Method for producing dis(4-hydroxyaryl) alkanes | Steffen Kuhling, Rolf Lanze, Rainer Neumann, Tony van Osselaer, Gerhard Fennhoff | 2001-11-13 |
| 6211417 | Process for preparing bis-(4-hydroxyaryl) alkanes | Gerd Fengler, Hans-Josef Buysch, Rob Eek, Gerhard Fennhoff | 2001-04-03 |
| 4369293 | Catalyst for the preparation of bisphenols | Claus Wulff, Lothar Klein, Hans-Jurgen Meissner, Norbert Bachem | 1983-01-18 |
| 4362846 | Polyamide moulding compounds having high impact strength | Helmut Korber, Peter Tacke, Friedrich Fahnler, Dieter Neuray | 1982-12-07 |
| 4293662 | Polyamides containing oxidized polyethylene | Helmut Korber, Peter Tacke, Friedrich Fahnler, Dieter Neuray | 1981-10-06 |