Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7169749 | Method for producing alkyl-substituted butenols | Stephan Heck, Norbert Klein, Thomas Markert, Gerrit Pelzer, Markus Schneider | 2007-01-30 |
| 6897342 | Method for producing aldehydes | Albrecht Schwerin, Gerrit Pelzer, Bernhard Gutsche | 2005-05-24 |
| 6683224 | Process for the production of fatty alcohols | Roland Hourticolon, Guenther Demmering, Hans-Peter Kubersky, Friedrich Hommers, Juergen Latzel +3 more | 2004-01-27 |
| 6683225 | Oxidic aluminum/zinc catalysts and a process of producing unsaturated fatty alcohols | Guenther Demmering, Stephan Heck, Hans-Peter Kubersky | 2004-01-27 |
| 6548717 | Process for making branched, substantially unsaturated fatty alcohols | Alfred Westfechtel, Norbert Huebner, Gerrit Pelzer, Norbert Klein, Ansgar Behler +3 more | 2003-04-15 |
| 5773636 | Process for the production of fatty acid lower alkyl esters | Guenther Demmering, Christian Pelzer | 1998-06-30 |
| 5709739 | Release agents for hydraulic binders | Leonhard Wittich, Stephan Heck, Guenther Demmering, Horst-Dieter Komp, Michael Koehler +2 more | 1998-01-20 |
| 5455370 | Process for the production of fatty acid lower alkyl esters | Guenther Demmering, Christian Pelzer | 1995-10-03 |
| 5364986 | Process for the production of fatty alcohols | Guenther Demmering, Stephan Heck | 1994-11-15 |
| 4652406 | Process for the production of fatty acid alkyl esters | Herbert Lepper | 1987-03-24 |
| 4608202 | Process for the production of fatty acid esters of short-chain aliphatic alcohols from fats and/or oils containing free fatty acids | Herbert Lepper | 1986-08-26 |