Issued Patents 2002
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6472566 | Apparatus for the preparation of formaldehyde from methanol | Elke Schweers, Thomas Kaiser, Michael Haubs | 2002-10-29 |
| 6414196 | Process and device for preparing pure formaldehyde | Werner Sievers, Elke Schweers | 2002-07-02 |
| 6388102 | Process for the preparation of trioxane and polyoxymethylene copolymers | Elke Schweers, Thomas Kaiser, Michael Haubs | 2002-05-14 |
| 6362305 | Method for producing formaldehyde from methanol | Elke Schweers, Thomas Kaiser, Christine Meister, Rolf Schulz | 2002-03-26 |
| 6339175 | Process for the non-oxidative preparation of formaldehyde from methanol | Elke Schweers, Thomas Kaiser, Michael Haubs | 2002-01-15 |