Issued Patents 2002
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6472566 | Apparatus for the preparation of formaldehyde from methanol | Thomas Kaiser, Michael Haubs, Michael Rosenberg | 2002-10-29 |
| 6448448 | Process for the non-oxidative preparation of formaldehyde from methanol | Rolf Schulz, Thomas Kaiser, Uwe Dingerdissen | 2002-09-10 |
| 6433194 | Separation of trioxane from liquid mixtures | Albert Reichl, Stefan Heffels | 2002-08-13 |
| 6414196 | Process and device for preparing pure formaldehyde | Werner Sievers, Michael Rosenberg | 2002-07-02 |
| 6388102 | Process for the preparation of trioxane and polyoxymethylene copolymers | Thomas Kaiser, Michael Haubs, Michael Rosenberg | 2002-05-14 |
| 6362305 | Method for producing formaldehyde from methanol | Thomas Kaiser, Christine Meister, Michael Rosenberg, Rolf Schulz | 2002-03-26 |
| 6339175 | Process for the non-oxidative preparation of formaldehyde from methanol | Thomas Kaiser, Michael Haubs, Michael Rosenberg | 2002-01-15 |