Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10843932 | Surface-coated calcium carbonate-containing material and process for the purification of water | Martine Poffet, Pascal Jäggi, Daniel E. Gerard | 2020-11-24 |
| 7236498 | Method for selecting an outstation using a control center in a transmission system | Erich Moos | 2007-06-26 |
| 7152530 | Printing form and method for modifying its wetting properties | Andreas Schmohl | 2006-12-26 |
| 6546868 | Printing form and method of modifying the wetting characteristics of the printing form | — | 2003-04-15 |
| 4990673 | Process for the preparation of 4,4'-dinitrodiphenylamine | Wolfgang Tronich | 1991-02-05 |
| 4904358 | Gold and silver recovery processes by electrolytic generation of active bromine | — | 1990-02-27 |
| 4778911 | Process for preparation of 3-(acyl)amino-4-alkoxy-phenyl-.beta.-hydroxyethyl-sulfone (sulfonates) | Folker Kohlhaas, Theodor Papenfuhs | 1988-10-18 |