Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9783658 | Rubber mixtures containing silicic acid and sulfur-containing additives | Hermann-Josef Weidenhaupt, Ulrich Feldhues, Irene Moll | 2017-10-10 |
| 9758642 | Rubber mixtures containing silicic acid and sulfur-containing additives | Hermann-Josef Weidenhaupt, Ulrich Feldhues, Irene Moll | 2017-09-12 |
| 9023926 | Method for producing rubber mixtures | Hermann-Josef Weidenhaupt, Heinz Unterberg, Ulrich Feldhues | 2015-05-05 |
| 8063125 | Fast-gelling plasticizer preparations | Thomas Weiss, Jan-Gerd Hansel | 2011-11-22 |
| 8026314 | Plasticizer preparations | Jan-Gerd Hansel | 2011-09-27 |