Issued Patents All Time
Showing 25 most recent of 80 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10294350 | Use of tetrahydrobenzoxazines as stabilisers | Arno Lange, Helmut Mach, Dietmar Posselt | 2019-05-21 |
| 9951204 | Use of tetrahydrobenzoxazines as stabilizers | Arno Lange, Helmut Mach, Dietmar Posselt | 2018-04-24 |
| 9938479 | Use of amines and/or Mannich adducts in fuel and lubricant compositions for direct-injection spark ignition engines | Arno Lange, Marc Walter, Marco Bergemann, Helmut Schmidt | 2018-04-10 |
| 9840608 | Use of tetrahydrobenzoxazines as stabilisers | Arno Lange, Helmut Mach, Dietmar Posselt | 2017-12-12 |
| 9309475 | Use of amines and/or Mannich adducts in fuel and lubricant compositions for direct injection spark ignition engines | Arno Lange, Marc Walter, Marco Bergemann, Helmut Schmidt | 2016-04-12 |
| 9217115 | Use of tetrahydroberizoxazines as stabilisers | Arno Lange, Helmut Mach, Dietmar Posselt | 2015-12-22 |
| 9062267 | Use of tetrahydrobenzoxazines as stabilisers | Arno Lange, Helmut Mach, Dietmar Posselt | 2015-06-23 |
| 8496716 | Method for producing Mannich adducts that contain polyisobutylene phenol | Arno Lange, Dietmar Posselt, Irene Troetsch-Schaller, Marc Walter | 2013-07-30 |
| 8449630 | Use of amines and/or Mannich adducts in fuel and lubricant compositions for direct injection spark ignition engines | Arno Lange, Marc Walter, Marco Bergemann, Helmut Schmidt | 2013-05-28 |
| 8409474 | Use of polynuclear phenolic compounds as stabilisers | Arno Lange, Helmut Mach, Dietmar Posselt | 2013-04-02 |
| 8377336 | Use of polynuclear phenolic compounds as stabilisers | Arno Lange, Helmut Mach, Dietmar Posselt | 2013-02-19 |
| 8357829 | α-olefin/isobutene diblock copolymers | Phillip Hanefeld, Helmut Mach, Rainer Urban | 2013-01-22 |
| 8016898 | Method for producing Mannich adducts that contain polyisobutylene phenol | Arno Lange, Dietmar Posselt, Irene Trötsch-Schaller, Marc Walter | 2011-09-13 |
| 7988749 | Method for producing Mannich adducts that contain polyisobutylene phenol | Arno Lange, Dietmar Posselt, Irene Troetsch-Schaller, Marc Walter | 2011-08-02 |
| 7956156 | Method for the removal of isobutene oligomers from an isobutene polymer | Phillip Hanefeld, Helmut Mach | 2011-06-07 |
| 7847020 | Polyisobutene polyol and moulding compound | Arno Lange, Helmut Mach, J. Richard Blackborow | 2010-12-07 |
| 7750193 | Method for producing polyisobutenylphenols | Arno Lange, Helmut Mach, Dietmar Posselt, Anja Vinckier | 2010-07-06 |
| 7745554 | Method for producing a polyisobutene | Helmut Mach, Thomas Wettling | 2010-06-29 |
| 7741410 | Epoxidation of isobutene polymers | Arno Lange, Helmut Mach, J. Richard Blackborow | 2010-06-22 |
| 7579412 | Method for producing carboxyl-terminated polyisobutenes | Arno Lange, Helmut Mach, Ulrich Karl, Bela Ivan, Peter Werner Groh +2 more | 2009-08-25 |
| 7485764 | Method for the production of polyisobutene | Stephan Hueffer, Gabriele Lang, Arno Lange, Eckard Schauss | 2009-02-03 |
| 7435273 | Alkoxylated alkyl phenols and the use thereof in fuels and lubricants | Arno Lange, Marc Walter | 2008-10-14 |
| 7365152 | Method for producing highly reactive, low halogen polyisobutenes | Thomas Perner, Eckard Schauss | 2008-04-29 |
| 7355082 | Method of purifying long-chain alkyl phenols and Mannich adducts thereof | Arno Lange, Marc Walter | 2008-04-08 |
| 7354976 | Isobutene polymer functionalization by means of hydroboration | Gabriele Lang, Helmut Mach | 2008-04-08 |