Issued Patents All Time
Showing 51–75 of 94 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE40758 | Fuel oils having improved lubricity comprising mixtures of fatty acids with paraffin dispersants, and a lubrication-improving additive | Werner Reimann | 2009-06-23 |
| 7550019 | Fuel oil additives and additized fuel oils having improved cold properties | Heinz Hoffmann, Klaus Redlich | 2009-06-23 |
| 7500996 | Cold flow improvers for fuel oils of vegetable or animal origin | Bettina Siggelkow, Martina Hess | 2009-03-10 |
| 7476264 | Cold flow improvers for fuel oils of vegetable or animal origin | — | 2009-01-13 |
| 7473284 | Fuel oils composed of middle distillates and oils of vegetable or animal origin and having improved cold flow properties | — | 2009-01-06 |
| 7435271 | Multifunctional additive for fuel oils | Werner Reimann | 2008-10-14 |
| 7431745 | Additives with a reduced tendency to emulsify, which improve the lubricating action of highly desulphurised fuel oils | Markus Kupetz | 2008-10-07 |
| 7377949 | Additives for sulphur-poor mineral oil distillates comprising an ester of an alkoxylated polyol and an alkylphenol-aldehye resin | Martina Hess | 2008-05-27 |
| 7347881 | Low-sulphur mineral oil distillates with improved cold properties, containing an ester of an alkoxylated polyol and a copolymer of ethylene and unsaturated esters | Martina Hess | 2008-03-25 |
| 7323019 | Additives for low-sulphur mineral oil distillates containing an ester of an alkoxylated polyol and a polar nitrogenous paraffin dispersant | Martina Hess | 2008-01-29 |
| 7041738 | Cold flow improvers for fuel oils of vegetable or animal origin | Bettina Siggelkow, Martina Hess, Ulrike Neuhaus | 2006-05-09 |
| 7014667 | Preparation of additive mixtures for mineral oils and mineral oil distillates | Gerhard Bettermann, Curd-Werner Adams, Werner Reimann | 2006-03-21 |
| 6969746 | Process for the preparation of ethylene copolymers, and their use as additives to mineral oil and mineral oil distillates | Werner Reimann, 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 | Werner Reimann, Markus Kupetz, Waltraud Nagel, Raimund Wildfang | 2005-01-25 |
| 6821933 | Additives for improving the cold flow properties and the storage stability of crude oil | Michael Feustel, Hans-Jörg Oschmann | 2004-11-23 |
| 6793696 | Enhanced lubricity fuel oil compositions comprising salts of fatty acids with short chain oil-soluble amines | Markus Kupetz | 2004-09-21 |
| 6762253 | Process for the preparation of ethylene copolymers, and their use as additives to mineral oil and mineral oil distillates | Werner Reimann, Wilhelm Zoller, Heinz Dieter Bühnen, Gerhard Bettermann | 2004-07-13 |
| 6652610 | Multifunctional additive for fuel oils | Werner Reimann | 2003-11-25 |
| 6610111 | Fuel oils having improved lubricity comprising mixtures of fatty acids with paraffin dispersants, and a lubrication-improving additive | Werner Reimann | 2003-08-26 |
| 6599335 | Copolymers based on ethylene and unsaturated carboxylic esters and their use as mineral oil additives | Markus Kupetz, Raimund Wildfang | 2003-07-29 |
| 6596037 | Fatty acid mixtures of improved low-temperature stability which comprise comb polymers, and their use in fuel oils | Werner Reimann | 2003-07-22 |
| 6593426 | Copolymer blends and their use as additives for improving the cold flow properties of middle distillates | Thomas Volkmer, Werner Reimann | 2003-07-15 |
| 6592638 | Mixtures of carboxylic acids, their derivatives and hydroxyl-containing polymers and their use for improving the lubricating effect of oils | Werner Reimann | 2003-07-15 |
| 6565616 | Copolymer blends and their use as additives for improving the cold flow properties of middle distillates | Thomas Volkmer, Werner Reimann | 2003-05-20 |
| 6509424 | Process for the preparation of ethylene copolymers, and their use as additives to mineral oil and mineral oil distillates | Werner Reimann, Wilhelm Zoller, Heinz Dieter Bühnen, Gerhard Bettermann | 2003-01-21 |