Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8026300 | Aqueous resin dispersion, process of making thereof, and product thereof | Carsten Romahn, Gunda Kuhlmann, Peter Stracke | 2011-09-27 |
| 6761931 | Method for piston coating | Theodore R. Cochran, Mingguang Zhu, Rebecca E. Bish, Douglas Bahun | 2004-07-13 |
| 5589535 | Air-drying polyurethane resins, their preparation and use | Gerd Walz, Gerhard Merten | 1996-12-31 |
| 5436312 | Aqueous filler composition | Reiner Exner, Ute Kuhn, Joachim Zoeller | 1995-07-25 |
| 5334651 | Water-thinnable two-component coating preparation, a process for its preparation, and its use | Udo Frank, Gerd Walz | 1994-08-02 |
| 5215828 | Curable binders | Gerhard Brindoepke, Inge Kurth, Gerd Walz | 1993-06-01 |
| 5047294 | Use of polyurethane resins for aqueous filler compositions | Gerd Walz | 1991-09-10 |
| 4892568 | Process for removing n-type impurities from liquid or gaseous substances produced in the gas-phase deposition of silicon | Helene Prigge, Robert Rurlander, Hans-Peter Bortner, Andreas Englmuller | 1990-01-09 |
| 4572729 | Method for producing articles of high-purity synthetic quartz glass | Winfried Lang, Rudolf Griesshammer, Werner Zulehner | 1986-02-25 |
| 4515762 | Process for processing waste gases resulting during the production of silicon | Rudolf Griesshammer, Franz Koppl, Winfried Lang, Ernst Muhlhofer | 1985-05-07 |