Issued Patents 1997
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5681892 | Coating composition based on water redispersible powders comprising water-soluble polymer and organosilicon compound | Richard Weidner, Volker Frey, Ingeborg Koenig-Lumer | 1997-10-28 |
| 5661196 | Organopolysiloxane-containing compositions which are self-dispersing in water | Gunther Kolleritsch, Ingeborg Konig-Lumer | 1997-08-26 |
| 5626668 | Process for the water-repellent impregnation of plaster | Dieter Gerhardinger, Richard Weidner | 1997-05-06 |
| 5627296 | Phosphorus-containing organosilicon compounds | Jochen Dauth, Bernward Deubzer, Petra Gratzl | 1997-05-06 |
| 5624481 | Process for the water-repellent impregnation of plaster | Dieter Gerhardinger, Johannes Mittermeier | 1997-04-29 |