Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6261346 | Method for protecting metal surfaces against corrosion in liquid or gaseous media | Wolfgang Breuer, Robert W. Schuetz, Guenther Uphues, Claus-Peter Herold | 2001-07-17 |
| 5783534 | Process for the production of solid esterquats | Bernd Wahle, Joaquim Bigorra Llosas, Antoni Soler Codina, Emili Brau Balague, Yvonne Reichert +1 more | 1998-07-21 |
| 5750490 | Detergent mixtures | Anneliese Wilsch-Irrgang, Fred Schambil, Theodor Voelkel, Miguel Osset | 1998-05-12 |