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, Claus-Peter Herold, Rafael Pi | 2001-07-17 |
| 5854201 | Textile softeners concentrates based on pentaerythritol or esters thereof containing quaternary and nonionic emulsifiers | Ansgar Behler, Bernd Wahle, Peter Waltenberger, Almud Folge | 1998-12-29 |
| 5567340 | Nitrogen-free anionic softeners | Ansgar Behler, Uwe Ploog, Bernd Wahle, Peter Waltenberger, Yvonne Jansen | 1996-10-22 |