| 9469732 |
Method for producing low-halogen polybiphenylsulfone polymers |
Martin Weber, Christian Maletzko, Gerhard Lange, Jörg Erbes, Matthias Dietrich +1 more |
2016-10-18 |
|
| 9102798 |
Method for producing low-halogen polybiphenylsulfone polymers |
Martin Weber, Christian Maletzko, Gerhard Lange, Jörg Erbes, Matthias Dietrich +1 more |
2015-08-11 |
|
| 8450507 |
Integrated method for the preparation of trioxane from formaldehyde |
Markus Siegert, Neven Lang, Eckhard Stroefer |
2013-05-28 |
|
| 8378144 |
Process for preparing polyoxymethylene homopolymers or copolymers by homopolymerization or copolymerization of trioxane, starting from methanol |
Markus Siegert, Tobias Kortekamp, Eckhard Stroefer, Neven Lang |
2013-02-19 |
|
| 8350063 |
Method for separating tioxane from a trioxane/formaldehyde/water mixture by means of pressure change rectification |
Markus Siegert, Neven Lang, Laszlo Szarvas, Franz Niklaus Windlin, Eckhard Stroefer |
2013-01-08 |
|
| 7456249 |
Catalyst, its preparation and the polymerization of cyclic ethers over this catalyst |
Stephan Schlitter, Martin Haubner, Michael Hesse, Stefan Kaeshammer, Rolf Pinkos |
2008-11-25 |
|
| 7449422 |
Catalyst, its preparation and the polymerization of cyclic ethers over this catalyst |
Stephan Schlitter, Martin Haubner, Michael Hesse, Stefan Käshammer, Rolf Pinkos |
2008-11-11 |
|
| 7148318 |
Method for producing polytetrahydrofurane having a low color indices |
Anton Meier, Volkmar Menger |
2006-12-12 |
$470,000 |
| 7074944 |
Method for producing polytetrahydrofuran |
Ulrich Steinbrenner, Martin Haubner, Achim Gerstlauer, Thomas Domschke, Stefan Käshammer |
2006-07-11 |
$299,000 |
| 7057080 |
Color index of multivalent alcohols by hydrogenation |
Matthias Dernbach, Michael Hesse, Steffen Maas |
2006-06-06 |
$661,000 |
| 7041752 |
Catalyst and method for the production of polytetrahydrofuran |
Stephan Schlitter, Walter Dorflinger, Michael Hesse, Rolf Fischer |
2006-05-09 |
$686,000 |
| 6870014 |
Catalyst and method for producing polytetrahydrofurane |
Ulrich Steinbrenner, Thomas Narbeshuber, Martin Haubner, Gerd Linden, Gerhard Cox +6 more |
2005-03-22 |
$433,000 |
| 6852869 |
Method for the production of polytetrahydrofuran with low color index |
Anton Meier, Michael Hesse, Volkmar Menger, Klaus-Peter Pfaff, Arthur Hohn +1 more |
2005-02-08 |
$197,000 |
| 6716937 |
Method for the single-step production of polytetrahydrofuran and tetrahydrofuran copolymers |
Gerd Bohner, Thomas Domschke, Rolf Fischer, Martin Haubner, Ulrich Steinbrenner +1 more |
2004-04-06 |
$303,000 |
| 6441110 |
Method for producing halogen-free reactive polyisobutene |
Thomas Narbeshuber, Karsten Eller, Manfred Barl, Rolf Fischer, Eugen Gehrer |
2002-08-27 |
$356,000 |
| 6384154 |
Preparation of halogen-free, reactive polyisobutene |
Thomas Narbeshuber, Eugen Gehrer, Rolf Fischer, Ulrich Steinbrenner, Shelue Liang |
2002-05-07 |
$365,000 |
| 6359108 |
Method for polymerizing cyclic ether |
Karsten Eller, Frank Stein, Rainer Becker, Klaus-Dieter Plitzko, Rolf Fischer +1 more |
2002-03-19 |
$433,000 |
| 6316664 |
Process for preparing hydroxy-containing compounds from formic acid esters |
Detlef Kratz |
2001-11-13 |
$255,000 |
| 6211401 |
Process for preparing polytetrahydrofuran |
Karsten Eller, Rainer Becker, Klaus-Dieter Plitzko, Rolf Fischer, Frank Stein +2 more |
2001-04-03 |
$251,000 |
| 6124368 |
Method for producing polytetrahydrofuran |
Karsten Eller, Rainer Becker, Klaus-Dieter Plitzko |
2000-09-26 |
$176,000 |
| 6111147 |
Process for preparing polytetrahydrofuran and derivatives thereof |
Karsten Eller, Rainer Becker, Klaus-Dieter Plitzko, Rolf Fischer, Frank Stein +2 more |
2000-08-29 |
$963,000 |
| 6103941 |
Preparation of 1,4-butanediol |
Rolf Fischer |
2000-08-15 |
$634,000 |
| 6043338 |
Method of producing polyoxytetramethylene glycol |
Rolf Fischer, Karsten Eller, Rainer Becker, Klaus-Dieter Plitzko, Gerd Heilen |
2000-03-28 |
|
| 6002027 |
Preparation of 1,2-butylene oxide |
Franz Josef Brocker, Rolf Fischer, Peter Lingelbach |
1999-12-14 |
|
| 5977417 |
Preparation of 1,4-butanediol |
Rolf Fischer |
1999-11-02 |
|
