Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5962700 | Butyrolactone-preparation process | Thomas Ruhl, Jochem Henkelmann, Susanne Stutz, Thomas Preiss, Heinz Rutter +2 more | 1999-10-05 |
| 5783697 | Preparation of vinyl carbamates | Jochem Henkelmann, Michael Karcher, Thomas Ruhl | 1998-07-21 |
| 5747619 | Water-soluble, carboxyl-containing copolymers, the preparation thereof and the use thereof as scale inhibitor | Walter Denzinger, Heinrich Hartmann, Birgit Potthoff-Karl, Karl-Heinz Buechner, Hans-Juergen Raubenheimer | 1998-05-05 |
| 5747616 | Ethylene-based copolymers and their use as flow improvers in mineral oil middle distillates | Hans-Joachim Muller, Bernd Wenderoth, Albin Berger, Dieter Littmann, Roger Klimesch +3 more | 1998-05-05 |
| 5739398 | Preparation of N-alkenylureas | Jochem Henkelmann, Thomas Ruhl | 1998-04-14 |
| 5726321 | Process for carrying out gas/liquid reactions under avoidance of a continuous gas phase | Klaus Bittins, Martin Schmidt-Radde, Jochen Kellenbenz, Kurt Josef Wagner, Peter Zehner +1 more | 1998-03-10 |
| 5723685 | Preparation of monovinyl ethers | Thomas Ruhl, Herbert Helfert, Martin Schmidt-Radde, Jochem Henkelmann | 1998-03-03 |
| 5723678 | Preparation of acetylenic compounds | Thomas Ruhl, Jochem Henkelmann, Peter Hofmann | 1998-03-03 |
| 5710331 | Preparation of N-alkenyl carboxamides | Thomas Ruhl, Jochem Henkelmann | 1998-01-20 |
| 5696223 | Copolymerizable oxime ethers | Michael Karcher, Thomas Ruhl, Jochem Henkelmann | 1997-12-09 |
| 5689017 | Preparation of a monolithium acetylide/ammonia complex | Thomas Ruhl, Rolf Muller, Jochem Henkelmann | 1997-11-18 |
| 5683555 | Working up reaction mixtures obtained in addition reactions with acetylene or propyne | Michael Karcher, Martin Schmidt-Radde, Albrecht Dams | 1997-11-04 |
| 5684108 | Ethylene-based copolymers and their use as flow improvers in mineral oil middle distillates | Hans-Joachim Muller, Bernd Wenderoth, Albin Berger, Dieter Littmann, Roger Klimesch +3 more | 1997-11-04 |
| 5670639 | Preparation of n-vinyllactams | Martin Schmidt-Radde, Albrecht Dams, Harald Rust | 1997-09-23 |
| 5654478 | Preparation of N-alkenylcarboxamides | Thomas Ruhl, Jochem Henkelmann, Bernd FIECHTER | 1997-08-05 |
| 5646293 | Preparation of N-alkenylazoles | Jochem Henkelmann, Thomas Ruhl | 1997-07-08 |
| 5641881 | Preparation of N-alkenylcarboxamides | Thomas Ruhl, Jochem Henkelmann | 1997-06-24 |
| 5639890 | Preparation of N-akenylcarbamic esters | Jochem Henkelmann, Thomas Ruhl | 1997-06-17 |
| 5603813 | Purifying distillation of vinyl formate | Thomas Ruhl, Jochem Henkelmann, Ralf-Thomas Rahn, Harald Rust | 1997-02-18 |
| 5587503 | Preparation of silicon-containing vinyl ethers and vinyl thioethers | Jochem Henkelmann, Michael Karcher | 1996-12-24 |
| 5395960 | Preparation of vinyl carboxylates | Thomas Ruehl, Jochem Henkelmann | 1995-03-07 |