Issued Patents All Time
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11060044 | Copolymer and use thereof for reducing crystallization of paraffin crystals in fuels | Ivette Garcia Castro, Michael Schroers, Uwe Rebholz, Dieter Faul, Anke Oswald | 2021-07-13 |
| 10557096 | Copolymer and use thereof for reducing crystallization of paraffin crystals in fuels | Ivette Garcia Castro, Michael Schroers, Uwe Rebholz, Hubert Rehberger, Dieter Faul | 2020-02-11 |
| 10526558 | Fuel oil compositions with improved cold flow properties | Wolfgang Ahlers, Andreas Fechtenkoetter, Frank-Olaf Maehling, Ansgar Eisenbeis | 2020-01-07 |
| 10047314 | Fuel oil compositions with improved cold flow properties | Wolfgang Ahlers, Andreas Fechtenkoetter, Frank-Olaf Maehling, Ansgar Eisenbeis | 2018-08-14 |
| 9908955 | Copolymer with high chemical homogeneity and use thereof for improving the cold flow properties of fuel oils | Frank-Olaf Maehling, Jan Strittmatter, Ivette Garcia-Castro, Michael Schroers, Uwe Rebholz | 2018-03-06 |
| 9605227 | Fuel oil compositions with improved cold flow properties | Wolfgang Ahlers, Andreas Fechtenkoetter, Frank-Olaf Maehling, Ansgar Eisenbeis | 2017-03-28 |
| 9458401 | Use of substituted ureas or urethanes for improvement of the use properties of mineral and synthetic nonaqueous industrial fluids | Jan Strittmatter, Karl Haeberle, Wolfgang Grabarse, Ivette Garcia Castro, Markus Hansch +3 more | 2016-10-04 |
| 8790424 | Copolymer and use thereof for improving the cold flow properties of middle distillate fuels | Ivette Garcia Castro, Uwe Rebholz, Markus Brym, Jan Strittmatter, Michael Schroers | 2014-07-29 |
| 8721744 | Copolymer with high chemical homogeneity and use thereof for improving the cold flow properties of fuel oils | Frank-Olaf Maehling, Jan Strittmatter, Ivette Garcia Castro, Michael Schroers, Uwe Rebholz | 2014-05-13 |
| 8642521 | Fuel oil compositions with improved cold flow properties | Wolfgang Ahlers, Andreas Fechtenkoetter, Frank-Olaf Maehling, Ansgar Eisenbeis | 2014-02-04 |
| 8496716 | Method for producing Mannich adducts that contain polyisobutylene phenol | Arno Lange, Hans Peter Rath, Dietmar Posselt, Marc Walter | 2013-07-30 |
| 8338344 | Cold flow improver | Frank-Olaf Maehling, Thomas Pfeiffer, Uwe Rebholz, Thomas Zelinski | 2012-12-25 |
| 8187345 | Mixture from polar oil-soluble nitrogen compounds and acid amides as paraffin dispersant for fuels | Ansgar Eisenbeis, Ulrich Annen | 2012-05-29 |
| 7988749 | Method for producing Mannich adducts that contain polyisobutylene phenol | Arno Lange, Hans Peter Rath, Dietmar Posselt, Marc Walter | 2011-08-02 |
| 6258281 | Breaking down aromatic compounds in industrial wastewaters | Edmund Niedbalski, Laurance R. Thurman, Ludwig Schuster, Dieter Voges, Peter Zehner +2 more | 2001-07-10 |
| 5569774 | Process for the preparation of chlorine-substituted olefins | Bernd Schaefer | 1996-10-29 |
| 5347047 | Preparation of acylaromatic compounds | Wolfgang Siegel | 1994-09-13 |
| 5274164 | Preparation of aryl chloroformates | Thomas Wettling, Jochem Henkelmann, Hermann Koehler | 1993-12-28 |
| 5200163 | Removal of phosgene from off-gases | Jochem Henkelmann, Thomas-Michael Kahl, Leopold Hupfer, Wolfgang Franzischka, Wolfgang Schwarz | 1993-04-06 |
| 5196611 | Preparation of alkyl, alkenyl, and alkynyl chlorides | Jochem Henkelmann, Thomas Wettling, Thomas-Michael Kahl, Leopold Hupfer, Wolfgang Franzischka +1 more | 1993-03-23 |