Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10459124 | Layer system and optical element comprising a layer system | Rüdiger SCHERSCHLICHT | 2019-10-29 |
| 10092990 | Edging pad having different adhesive zones | Stefan Jung | 2018-10-09 |
| 7307916 | World timepiece | Thomas Prescher, Renato Scarinzi | 2007-12-11 |
| 5497940 | Mail box signaling device | — | 1996-03-12 |
| 5294726 | Process for the preparation of light-colored oleic acid sulfonates | Ansgar Behler, Hermann Anzinger | 1994-03-15 |
| 4871578 | Hydroxylapatite coating on metal or ceramic | Peter Adam, Adolf Nebelung | 1989-10-03 |
| 4666343 | Protective construction for a platform installed in the open sea against the impact of floating objects | Heinz G. Butt | 1987-05-19 |
| 4526582 | Method for bleaching cellulose fibers with N-(hydroxy methyl)-1-amino alkane-1,1-diphosphonic acid stabilized peroxide-containing bleaching baths | Hans-Adolf Rohlfs, Alfred Kling, Guenter Raab, Viktor Specht, Ulrike Schaetzke | 1985-07-02 |
| 4510068 | N-(hydroxy methyl)-1-amino alkane-1,1-diphosphonic acids as stabilizing agents in peroxide-containing bleaching baths | Hans-Adolf Rohlfs, Alfred Kling, Guenter Raab, Viktor Specht, Ulrike Schaetzke | 1985-04-09 |
| 4337214 | N-(Hydroxy methyl)-1-amino alkane-1,1-diphosphonic acids, process of making same, and composition for and method of using same as stabilizing agents in peroxide-containing bleaching baths | Hans-Adolf Rohlfs, Alfred Kling, Guenter Raab, Viktor Specht, Ulrike Schaetzke | 1982-06-29 |