Issued Patents All Time
Showing 25 most recent of 40 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9150808 | Multifunctional cooling additives for middle distillates, having an improved flow capability | Matthias Krull, Stefan Dilsky, Sabine Goetzke | 2015-10-06 |
| 8979951 | Additives for improving the cold properties of fuel oils | Bettina Siggelkow, Matthias Krull, Markus Kupetz | 2015-03-17 |
| 8968428 | Additives for improving the cold properties of fuel oils | Bettina Siggelkow, Matthias Krull, Ulrike Neuhaus, Markus Kupetz, Andre Graf | 2015-03-03 |
| 8961622 | Additives for improving the cold properties of fuel oils | Bettina Siggelkow, Matthias Krull | 2015-02-24 |
| 8628591 | Detergent additive-containing mineral oils having improved cold flow properties | Matthias Krull, Robert Janssen | 2014-01-14 |
| 8283298 | Mineral oils with improved conductivity and cold flowability | Matthias Krull | 2012-10-09 |
| 8153567 | Mineral oils which comprise detergent additives and have improved cold flowability | Matthias Krull, Robert Janssen | 2012-04-10 |
| 7872061 | Preparation of additive mixtures for mineral oils and mineral oil distillates | Matthias Krull, Gerhard Bettermann, Curd-Werner Adams | 2011-01-18 |
| 7815698 | Demulsifiers for mixtures of middle distillates with fuel oils of vegetable or animal origin and water | Bettina Siggelkow, Dirk Leinweber, Ulrike Neuhaus, Renate Braun | 2010-10-19 |
| 7713315 | Mineral oils with improved conductivity and cold flowability | Matthias Krull | 2010-05-11 |
| 7563291 | Demulsifiers for mixtures of middle distillates with fuel oils of vegetable or animal origin and water | Bettina Siggelkow, Dirk Leinweber, Ulrike Neuhaus, Renate Braun | 2009-07-21 |
| RE40758 | Fuel oils having improved lubricity comprising mixtures of fatty acids with paraffin dispersants, and a lubrication-improving additive | Matthias Krull | 2009-06-23 |
| 7435271 | Multifunctional additive for fuel oils | Matthias Krull | 2008-10-14 |
| 7014667 | Preparation of additive mixtures for mineral oils and mineral oil distillates | Matthias Krull, Gerhard Bettermann, Curd-Werner Adams | 2006-03-21 |
| 6969746 | Process for the preparation of ethylene copolymers, and their use as additives to mineral oil and mineral oil distillates | Matthias Krull, Wilhelm Zoller, Di Heinz Dieter Bühnen, Gerhard Bettermann | 2005-11-29 |
| 6846338 | Fuel oils based on middle distillates and copolymers of ethylene and unsaturated carboxylic esters | Matthias Krull, Markus Kupetz, Waltraud Nagel, Raimund Wildfang | 2005-01-25 |
| 6762253 | Process for the preparation of ethylene copolymers, and their use as additives to mineral oil and mineral oil distillates | Matthias Krull, Wilhelm Zoller, Heinz Dieter Bühnen, Gerhard Bettermann | 2004-07-13 |
| 6652610 | Multifunctional additive for fuel oils | Matthias Krull | 2003-11-25 |
| 6610111 | Fuel oils having improved lubricity comprising mixtures of fatty acids with paraffin dispersants, and a lubrication-improving additive | Matthias Krull | 2003-08-26 |
| 6596037 | Fatty acid mixtures of improved low-temperature stability which comprise comb polymers, and their use in fuel oils | Matthias Krull | 2003-07-22 |
| 6593426 | Copolymer blends and their use as additives for improving the cold flow properties of middle distillates | Matthias Krull, Thomas Volkmer | 2003-07-15 |
| 6592638 | Mixtures of carboxylic acids, their derivatives and hydroxyl-containing polymers and their use for improving the lubricating effect of oils | Matthias Krull | 2003-07-15 |
| 6565616 | Copolymer blends and their use as additives for improving the cold flow properties of middle distillates | Matthias Krull, Thomas Volkmer | 2003-05-20 |
| 6509424 | Process for the preparation of ethylene copolymers, and their use as additives to mineral oil and mineral oil distillates | Matthias Krull, Wilhelm Zoller, Heinz Dieter Bühnen, Gerhard Bettermann | 2003-01-21 |
| 6475250 | Multifunctional additive for fuel oils | Matthias Krull | 2002-11-05 |