Issued Patents All Time
Showing 26–50 of 80 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7291681 | Polyisobutenamines | Arno Lange, Dietmar Posselt | 2007-11-06 |
| 7244870 | Method for producing polyisobutenes | Arno Lange | 2007-07-17 |
| 7217773 | Method for producing polyisobutene | Thomas Perner, Helmut Mach | 2007-05-15 |
| 7132488 | Method for producing homopolymers and copolymers of isobutene | Stephan Huffer, Gabriele Lang | 2006-11-07 |
| 7109387 | Production of α-chloroisopropyl-substituted aromatics | Gabriele Lang, Stephan Hueffer, Arno Lange | 2006-09-19 |
| 7071275 | Polyisobutene and polyisobutene derivatives for use in lubricant compositions | Arno Lange, Helmut Mach | 2006-07-04 |
| 7001966 | Method for the production of isobutene polymers | Gabriele Lang, Arno Lange, Helmut Mach | 2006-02-21 |
| 6958382 | Polyisobutenyl ethers and thioethers | Arno Lange, Helmut Mach, Darijo Mijolovic | 2005-10-25 |
| 6939943 | Method for deactivating and recovering boron trifluoride when producing polyisobutenes | Thomas Wettling, Dirk Borchers, Wim Verrelst | 2005-09-06 |
| 6913660 | Dispersant compositions comprising novel emulsifiers for water in oil emulsions | Arend Jouke Kingma, Arno Lange | 2005-07-05 |
| 6914163 | Method for producing polyisobutylphenols | Arno Lange | 2005-07-05 |
| 6875897 | Method for producing polyisobutenylphenols | Arno Lange | 2005-04-05 |
| 6852808 | Method for producing homopolymers and copolymers of isobutene | Stephan Huffer, Gabriele Lang, Jens Kremeskotter, Elmar Stockelmann | 2005-02-08 |
| 6846903 | Method for producing polyisobutylenes | Thomas Wettling, Dirk Borchers, Wim Verrelst | 2005-01-25 |
| 6753389 | Method for the production of highly reactive polyisobutenes | Dieter Hahn, Gerhard Sandrock, Frans van Deyck, Bart Vander Straeten, Eddy De Vree | 2004-06-22 |
| 6710140 | Method for producing polyisobutenes | Thomas Wettling, Dirk Borchers, Wim Verrelst | 2004-03-23 |
| 6649695 | Elastic sealing material on the basis of block copolymers made of isobutene and vinyl aromatic monomers | Arno Lange, Helmut Mach, Konrad Knoll | 2003-11-18 |
| 6642329 | Method for continuous production of polyisobutene | — | 2003-11-04 |
| 6548461 | Polyalkene alcohol polyetheramines and their use in fuels and lubricants | Knut Oppenlander, Wolfgang H. H. Gunther, Dietmar Posselt, Klemens Massonne | 2003-04-15 |
| 6533830 | Polyalkene alcohol-polyalkoxylates and their use in fuels and lubricants | Knut Oppenlander, Wolfgang H. H. Gunther, Irene Trötsch-Schaller | 2003-03-18 |
| 6531543 | Thermoplastic molding compositions based on acrylonitrile-styrene-acrylate polymers | Norbert Güntherberg, Martin Weber, Gerhard Lindenschmidt | 2003-03-11 |
| 6518373 | Method for producing highly reactive polyisobutenes | Dieter Hahn, Gerhard Sandrock, Frans van Deyck, Bart Vander Straeten, Eddy De Vree | 2003-02-11 |
| 6518361 | Thermoplastic molding compositions | Norbert Güntherberg, Martin Weber, Gerhard Lindenschmidt | 2003-02-11 |
| 6512055 | Copolymers and their reaction products with amines as fuel and lubricant additives | Wolfgang H. H. Gunther, Knut Oppenlander, Walter Denzinger, Heinrich Hartmann, Helmut Mach +1 more | 2003-01-28 |
| 6407186 | Method for producing low-molecular, highly reactive polyisobutylene | Ulrich Kanne, Frans van Deyck | 2002-06-18 |