Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10413914 | Enrichment of metal sulfide ores by oxidant assisted froth flotation | Gerhard Arnold, Terry Michael Brown, Sr., Alan Hitchiner | 2019-09-17 |
| 9839917 | Method for recovering a copper sulfide concentrate from an ore containing an iron sulfide | Christopher Greet, Gerhard Arnold, Alan Hitchiner | 2017-12-12 |
| 8563499 | Fabric softener active composition | Hans-Jurgen Kohle, Matthias Schöppner, Axel Euler, Harald Jakob, Saji John Meledathu +3 more | 2013-10-22 |
| 8361953 | Rinse aid compositions with improved characteristics | Andras Nagy, Saiid Mohammed, Dennis Parrish, Georg Schick | 2013-01-29 |
| 5962708 | Process for preparation of highly concentrated free-flowing aqueous solutions of betaines | Hans-Jurgen Kohle, Winfried Wehner | 1999-10-05 |
| 5681972 | Process for preparing highly concentrated, free-flowing aqueous solutions of betaines | Hans-Jurgen Kohle, Winfried Wehner | 1997-10-28 |
| 5464565 | Process for the preparation of highly concentrated free-flowing aqueous solutions of betaines | Hans-Jurgen Kohle, Winfried Wehner | 1995-11-07 |
| 5371251 | Polyol polyether sulfosuccinates, a process for preparing them, and their use | Elke Hohn, Hans-Jurgen Kohle | 1994-12-06 |
| 5254271 | Ammonium compounds, preparation thereof and use thereof as cleaning agent, cosmetic raw material and softener, in particular as final-rinse fabric softner | Elke Hohn, Hans-Jurgen Kohle, Winfried Wehner, Joachim Weigand | 1993-10-19 |