Issued Patents 2004
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6828465 | Method for producing bisphenols | Rainer Neumann, Frieder Heydenreich, Michael Bödiger, Michael Prein | 2004-12-07 |
| 6710152 | Solid particles | Michael Prein, Uwe Hucks | 2004-03-23 |
| 6706848 | Method for producing polycarbonate | Michael Prein, Uwe Hucks | 2004-03-16 |
| 6695991 | Device for exchanging a die plate of a prilling tower and method for the automatic exchange | Günter Holdenried, Rainer Neumann, Frieder Heydenreich, Tony van Osselaer | 2004-02-24 |
| 6689464 | Method and device for producing bisphenol a prills and bisphenol a prills produced according to this method | Alfred Eitel, Rainer Neumann, Steffen Kuhling, Frieder Heydenreich, Tony van Osselaer +2 more | 2004-02-10 |
| 6682794 | Polycarbonate containers | Klaus Horn, Steffen Kuhling, Ralf Hufen, Michael Prein, Rainer Neumann +3 more | 2004-01-27 |
| 6683223 | Fluidised bisphenol dust | Michael Bödiger, Rainer Neumann, Nikolai Kostyszyn, Frieder Heydenreich, Michael Prein | 2004-01-27 |