Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4855470 | Organosilanes containing benzoyl thiourea groups and method of preparation | Horst Grethe, Peter Kleinschmit | 1989-08-08 |
| 4851492 | Organopolysiloxanes containing acyl thiourea groups, methods of their preparation and use | Karl-Heinz Koenig, Elske Schopenhauer-Gehrmann, Peter Kleinschmit | 1989-07-25 |
| 4845163 | Rhodium-containing organopolysiloxane-ammonium compounds, methods for their preparation and use | Robert Gradl | 1989-07-04 |