| 6653487 |
Process for preparing trioxane, polyoxymethylene and polyoxymethylene copolymers |
Rolf Schulz, Thomas Kaiser, Uwe Dingerdissen |
2003-11-25 |
| 6585176 |
Process for increasing the effectiveness of the comminution of bulk materials by oxidation |
Olaf Mientkewitz, Ulrich Bauer, Helmut Gursky, Hubert Muller, Raimo Drögemeier |
2003-07-01 |
| 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 |
| 6313323 |
Trimerization of formaldehyde in the gas phase |
Harald Werner, Frank Olschewski, Gerhard Geiss, Elfriede Hufsky, Helmut Trankler +1 more |
2001-11-06 |
| 6232507 |
Method for non-oxidative production of formaldehyde from methanol |
Thomas Kaiser, Christine Meister |
2001-05-15 |
| 6229053 |
Method for purification of formaldehyde, use thereof and plastics produced therewith |
Werner Sievers, Christine Meister |
2001-05-08 |
| 6121467 |
Separating off trioxane from gaseous mixtures with formaldehyde |
Hagen Kniep, Christine Meister, Ioannis Nicolaou, Dirk Scheid |
2000-09-19 |