Issued Patents All Time
Showing 26–34 of 34 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6759407 | Acyclic and cyclic guanidine- and acetamidine derivatives, their preparation and their use as pesticides, ESP as parasiticides | Eliane Humbert-Droz, Maurizio Schwarzenbach | 2004-07-06 |
| 6538013 | Acyclic and cyclic guanidine-and acetamidine derivatives, their preparation and their use as pesticides, esp. as parasiticides | Eliane Humbert-Droz, Maurizio Schwarzenbach | 2003-03-25 |
| 6321726 | Carbon canister spring plate | Roger Khami, Dawn Clancy, Ljupco Dimitrievski | 2001-11-27 |
| 5721016 | Process for the treatment of mineral building materials | Peter Panster, Stefan Wieland, Marion Langen, Klaus Zinsmeister, Ute Werner +1 more | 1998-02-24 |
| 5707192 | Panel--fastener connector clip | Margaret M. Vortriede, Roger Khami | 1998-01-13 |
| 5458923 | Process for impregnating a building material with an organosilicon compound | Rudolf Michel, Harald Alff, Josef Karl | 1995-10-17 |
| 5380791 | Method of producing sulfonated organosilicon compounds and coresponding aqueous solutions | Peter Panster, Arno Jaenes | 1995-01-10 |
| 5314533 | Aqueous emulsions containing organosilicon compounds for the impregnation of inorganic materials | Rudolf Michel, Harald Alff, Josef Karl | 1994-05-24 |
| 5260470 | Method of purifying alkoxysilanes | Peter Panster, Werner Will, Peter Kleinschmit | 1993-11-09 |