Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4999249 | Mixtures containing organosilicon compounds and their use for waterproofing and antimicrobial impregnation | Ulrich Deschler, Ulrike Lechner | 1991-03-12 |
| 4961914 | Method of preparing hydrogen cyanide | Peter Kleinschmit, Wolf-Dieter Pfeifer, Carl Voigt, Peter Albers | 1990-10-09 |