Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4775488 | Aqueous anionic dispersion | Karl Hintermeier, Frank Wehowsky, Hans Wagener, Manfred Seidel, Manfred Muller +1 more | 1988-10-04 |
| 4709074 | Urethanes containing perfluoroalkyl and epichlorohydrin groups | Winfried Ehrl, Frank Wehowsky, Rolf Kleber, Werner Lotz, Wolfgang Glenz +5 more | 1987-11-24 |
| 4209407 | Fire extinguishing agent | Erich Schuierer, Richard Broll | 1980-06-24 |
| 4188307 | Mixture with low surface tension which consists of fluorinated alkylammonium monoalkyl sulfates and fluoroalkyl-sulfatobetaines | — | 1980-02-12 |