Issued Patents All Time
Showing 25 most recent of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10538624 | Process for producing monomer compositions and use of these for producing a polyamide molding | Dietrich Scherzer, Philippe Desbois, Volker Warzelhan, Andreas Wollny, Andreas Radtke +1 more | 2020-01-21 |
| 9388341 | Pale-colored flame-retardant polyamides | Alexander König, Torsten Erdmann, Michael Roth, Klaus Uske, Jochen Engelmann +1 more | 2016-07-12 |
| 8785534 | Use of polyamides that are resistant to corrosion and stress cracking | Manoranjan Prusty, Axel Wilms, Anka Bernnat, Martin Baumert, Raquel Fernandez Rodiles +3 more | 2014-07-22 |
| 8481652 | Thermoplastic polyamides having polyether amines | Sachin Jain, Philippe Desbois, Claus Gabriel, Martin Weber, Peter Eibeck +1 more | 2013-07-09 |
| 7109362 | Process for the preparation of lipoic acid and dihydrolipoic acid | Markus Niebel, Joachim Paust | 2006-09-19 |
| 7091368 | Method for the purification of liponic acid | Ulrike Maier | 2006-08-15 |
| 6906210 | Method for producing lipoic acid and dihydrolipoic acid | Markus Niebel, Joachim Paust | 2005-06-14 |
| 6887894 | Use of lipoic acid for improving the bioavailability of mineral salts | Klaus Kramer | 2005-05-03 |
| 6812321 | Method for the continuous production of polybutyleneterephthalate from terephthalic acid and butanediol | Thomas Heitz, Ralf Neuhaus | 2004-11-02 |
| 6716899 | Flame-proofed polyester molding materials | Michael Nam, Herbert Fisch | 2004-04-06 |
| 6657040 | Method for the continuous production of polybutylene terephthalate from terephthal acid and butane diole | Thomas Heitz, Ralf Neuhaus | 2003-12-02 |
| 6620964 | Preparation of dihydroxycarboxylic esters in the absence of solvents | Markus Niebel, Melanie Erhardt | 2003-09-16 |
| 6538054 | Flame-proof moulding compounds | Brigitte Gareiss, Motonori Yamamoto, Herbert Fisch, Michael Nam, Thomas Heitz +1 more | 2003-03-25 |
| 6503969 | Flame-retardant polyester molding compositions containing flame retardant nitrogen compounds and diphosphinates | Bernd Leutner, Michael Nam, Herbert Fisch | 2003-01-07 |
| 6469095 | Flame-proofed molding materials | Brigitte Gareiss, Andreas Deckers, Wilhelm Weber | 2002-10-22 |
| 6441024 | Crystal modification of lipoic acid | Markus Niebel, Joachim Paust, Jens Rieger | 2002-08-27 |
| 6420442 | Flame-proofed polystyrene foamed materials | Franz-Josef Dietzen, Guiscard Glück, Gerd Ehrmann, Gerhard Turznik, Gerhard Alicke +2 more | 2002-07-16 |
| 6359165 | Asymmetric hydrogenation of &bgr;-keto esters | Rainer Stürmer, Armin Börmer, Jens Holz, Gudrun Voss | 2002-03-19 |
| 6339168 | Composition comprising stabilized phosphorus compounds | Christa Hackl, Gunter Scholz | 2002-01-15 |
| 6306941 | Flame-proof thermoplastic moulding materials | Thomas Heitz, Brigitte Gareiss | 2001-10-23 |
| 6300521 | Process for preparing oxoisophorone | Thomas Muller, Bernhard Bockstiegel | 2001-10-09 |
| 6297404 | Process for preparing oxoisophorone using additives | Thomas Muller, Bernhard Bockstiegel | 2001-10-02 |
| 6281283 | Method for producing polyalkylene arylates | Thomas Heitz | 2001-08-28 |
| 6232435 | Polyalkylene arylates containing a high proportion of carboxyl end groups | Thomas Heitz, Helmut Heel, Peter Braune | 2001-05-15 |
| 6103797 | Flame-proofed moulding materials | Brigitte Gareiss, Motonori Yamamoto | 2000-08-15 |