Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6683224 | Process for the production of fatty alcohols | Roland Hourticolon, Hans-Peter Kubersky, Lothar Friesenhagen, Friedrich Hommers, Juergen Latzel +3 more | 2004-01-27 |
| 6683225 | Oxidic aluminum/zinc catalysts and a process of producing unsaturated fatty alcohols | Lothar Friesenhagen, Stephan Heck, Hans-Peter Kubersky | 2004-01-27 |
| 6229056 | Unsaturated fatty compounds with improved low-temperature behavior | Achim Ansmann, Georg Assmann, Fritz Schuster, Alfred Westfechtel, Michael Koehler | 2001-05-08 |
| 5773636 | Process for the production of fatty acid lower alkyl esters | Christian Pelzer, Lothar Friesenhagen | 1998-06-30 |
| 5709739 | Release agents for hydraulic binders | Leonhard Wittich, Stephan Heck, Lothar Friesenhagen, Horst-Dieter Komp, Michael Koehler +2 more | 1998-01-20 |
| 5672781 | Process for the production of fatty alcohols based on vegetable fats and oils by fractionation | Michael Koehler, Karl Schmid, Horst-Dieter Komp, Hans-Peter Kubersky | 1997-09-30 |
| 5565598 | Process for the production of substantially odorless fatty alcohol ethersulfate salts | Ansgar Behler, Uwe Ploog, Michael Koehler, Hermann Hensen, Werner Seipel +1 more | 1996-10-15 |
| 5455370 | Process for the production of fatty acid lower alkyl esters | Christian Pelzer, Lothar Friesenhagen | 1995-10-03 |
| 5399792 | Process for the production of unsaturated fatty alcohols | — | 1995-03-21 |
| 5389113 | Mixtures of fatty alkyl lower alkyl esters having improved low-temperature stability | Karl Schmid, Frank Bongardt, Leonhard Wittich | 1995-02-14 |
| 5364986 | Process for the production of fatty alcohols | Stephan Heck, Lothar Friesenhagen | 1994-11-15 |
| 5324871 | Hydrogenation process | Franz-Josef Carduck, Gerd Goebel, Theo Fleckenstein, Udo Kreutzer | 1994-06-28 |
| 5180858 | Process for the catalytic hydrogenation of liquid fatty acid methyl esters | Theo Fleckenstein, Gerd Goebel, Franz-Josef Carduck, Hans-Peter Kubersky | 1993-01-19 |