Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12378128 | Method for producing aerogels and aerogels obtained using said method | Damian Hintemann, Andreas Kilzer, Nils MÖLDERS, Manfred Renner, Andreas SENGESPEICK +1 more | 2025-08-05 |
| 10947605 | Method for hydrophobising leather, and leather produced by means of same | Manfred Renner, Andreas SENGESPEICK, Michael Prokein | 2021-03-16 |
| 9206486 | Method for tanning animal skins | Manfred Renner, Helmut Geihsler | 2015-12-08 |
| 8598377 | Method for producing fatty acid esters of monovalent or polyvalent alcohols using special hydroxy-functional quaternary ammonium compounds as catalysts | Axel Kraft, Anna Grevé, Reinhard Broucek | 2013-12-03 |
| 7468450 | Process for the transesterification of fats and oils of biological origin by means of alcoholysis using special carbonic acid salts | Siegfried Peter | 2008-12-23 |
| 6933398 | Process for the transesterification of fat and/or oil by means of alcoholysis | Siegfried Peter | 2005-08-23 |
| 6828363 | Process for the preparation of powder coating compositions | Sabine H. G. Beuermann, Michael Buback, Michael Juergens, Marcus Petermann, Christian Schwede +1 more | 2004-12-07 |
| 6579996 | Process for removing free fatty acids from fats and oils of biological origin or their steam distillates | Siegfried Peter, Martin Drescher, Wolfgang Konig | 2003-06-17 |
| 6440336 | Method for producing a powder product from a liquid substance or mixture of substances | Bernd Weinreich, Rudolf Steiner, Johann Dirscherl | 2002-08-27 |
| 6407306 | Process for extracting carotenes from carotene-containing materials | Siegfried Peter, Martin Drescher | 2002-06-18 |
| 6359157 | Process for the transesterification of fat and/or oil of biological origin by means of alcoholysis | Siegfried Peter, Hans-Peter Neuner, Ruth Ganswindt | 2002-03-19 |
| 6211390 | Method for producing fatty acid esters | Siegfried Peter, Ruth Ganswindt | 2001-04-03 |
| 6056791 | Process for the production of particles or powders | Zelijko Knez, Zoran Novak | 2000-05-02 |
| 5900027 | Process for preparing animal hides or pelts | Helmut Geihsler | 1999-05-04 |
| 5837831 | Method for separating alkyl glycosides | Burghard Gruning, Siegfried Peter, Zhengfeng Zhang | 1998-11-17 |
| 5646258 | Method of synthesizing alkyl glucosides | Burghard Gruning, Siegfried Peter, Manfred Recksik, Zhengfeng Zhang | 1997-07-08 |
| 5434280 | Process for preparing pure monoglycerides, pure diglycerides and/or pure triglycerides | Siegfried Peter, Bernd Czech, Ulrich Ender | 1995-07-18 |
| 5110509 | Process for the recovery of monoglycerides and diglycerides from a mixture containing monoglycerides, diglycerides, and triglycerides | Siegfried Peter, Ulrich Ender, Bernd Czech | 1992-05-05 |