Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6946083 | Dust-reducing compositions for treating dry soil | Pierre Hirsbrunner, Franz Kohler | 2005-09-20 |
| 6916366 | Aqueous composition for rendering a substrate hydrophobic | Pierre Hirsbrunner | 2005-07-12 |