Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10131792 | Method for treating the surface of particles, the thus obtained particles and use thereof | Petra Fritzen, Bernd Rohe | 2018-11-20 |
| 9481581 | Process for the production of a storage-stable barium sulphate having good dispersibility | Sonja Grothe, Elke Gosch, Bernd Rohe, Peter Ebbinghaus, Jens Kohnert | 2016-11-01 |
| 8163828 | Additive for polymers and process for preparation thereof | Peter Ebbinghaus, Bernhard Becker, Jens Kohnert, Ralf Schellen, Bernd-Michael Klein +3 more | 2012-04-24 |
| 6051155 | Preparations containing wax | Wolf-Rudiger Karl, Klaus Schulte | 2000-04-18 |
| 5997775 | Electrically conductive barium sulfate-containing composition and process of producing | Takao Hayashi, Norihiro Sato, Manabu Hosoi, Nobuyoshi Kasahara, Clemens Aderhold +3 more | 1999-12-07 |
| 5630873 | Method of producing declustered acetyl cellulose fibers | Peter Weiser, Franz Meyers, Heinrich Dumke | 1997-05-20 |
| 5312614 | Method for producing white electrically conductive zinc oxide | Takao Hayashi, Norihiro Sato, Chikara Omotani, Manabu Hosoi, Nobuyoshi Kasahara +2 more | 1994-05-17 |
| 5273822 | Fibrous electrically-conductive filler and process for producing the same | Takao Hayashi, Norihiro Sato, Chikara Omotani, Manabu Hosoi, Nobuyoshi Kasahara +2 more | 1993-12-28 |
| 5171364 | Process for preparing conductive acicular zinc oxide | Norihiro Sato, Takao Hayashi, Nobuyoshi Kasahara, Wolf-Dieter Griebler, Gunther Rudolph | 1992-12-15 |
| 5131952 | Electrically conductive zinc sulfide powder and process of producing the same and use thereof | Takao Hayashi, Norihiro Sato, Manabu Hosoi, Nobuyoshi Kasahara, Clemens Aderhold +3 more | 1992-07-21 |
| 5102650 | Method of preparing needle-like conductive zinc oxide | Takao Hayashi, Norihiro Sato, Chikara Omotani, Manabu Hosoi, Nobuyoshi Kasahara +2 more | 1992-04-07 |