Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8470924 | Color-pigmented paint composition having high covering powder, increased scratch resistance, and easy-to clean properties | Stefan Brand, Hubert Liebe, Frank Osterod, Markus Mahn, Ken Ryan | 2013-06-25 |
| 8309228 | Coatings containing polysilazanes for metal and polymer surfaces | Stefan Brand, Andreas Wacker, Hubert Liebe | 2012-11-13 |
| 8247037 | Use of polysilazanes for coating metal strips | Stefan Brand, Hubert Liebe, Andreas Wacker | 2012-08-21 |
| 8153199 | Coatings comprising polysilazanes for preventing scaling and corrosion | Stefan Brand, Hubert Liebe, Frank Osterod, Guenter Motz, Martin Guenthner | 2012-04-10 |
| 8057858 | Method for improving the corrosion resistance and lightfastness of painted aluminum oxide layers | Stefan Brand, Hubert Liebe, Frank Osterod, Oliver Eich, Mark A. Jozefowicz | 2011-11-15 |
| 6054617 | Nitro compound-reducing process | Helmut Bahrmann, Boy Cornils, Steffen Haber | 2000-04-25 |
| 6051732 | Process for the preparation of 3-acetoxy-2-methylbenzoyl chloride | Robert Cosmo | 2000-04-18 |
| 5910605 | Process for the preparation of 3-hydroxy-2-methylbenzoic acid and 3-acetoxy-2-methylbenzoic | Robert Cosmo | 1999-06-08 |
| 5811572 | Process for the preparation of N-carboxymethyleneanthranilic acid | Theodor Papenfuhs, Stefan Krause, Doris Neumann-Grimm | 1998-09-22 |
| 5712414 | Hydroxycarboxylic acid anilides | Theodor Papenfuhs | 1998-01-27 |
| 5705680 | Process for the preparation of O-acylglycolanilides | Theodor Papenfuhs | 1998-01-06 |
| 5693852 | Process for the preparation of o-acyloxycarboxanilides | Theodor Papenfuhs, Siegfried Planker | 1997-12-02 |
| 5631403 | Process for the preparation of hydroxycarboxanilides | Siegfried Planker, Theodor Papenfuhs | 1997-05-20 |