Issued Patents All Time
Showing 1–25 of 43 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10676569 | Method for continuously producing polyamide oligomers and producing semicrystalline or amorphous polyamides that can be thermoplastically processed | Joachim Clauss, Stefan Schwiegk, Gad Kory, Christian Schmidt, Axel Wilms +7 more | 2020-06-09 |
| 10351671 | Method for producing semi-aromatic copolyamides with a high diamine excess | Axel Wilms, Christian Schmidt, Florian Richter, Joachim Clauss, Gad Kory +1 more | 2019-07-16 |
| 9994678 | Process for the continuous preparation of an aliphatic or partially aromatic polyamide | Christian Schmidt, Joachim Clauss, Axel Wilms, Volker Rauschenberger, Gad Kory +4 more | 2018-06-12 |
| 9701790 | Method for producing aliphatic or partially aromatic polyamides, said method comprising a solid-phase polymerization process | Christian Schmidt, Florian Richter, Joachim Clauss, Axel Wilms, Gad Kory +3 more | 2017-07-11 |
| 8741991 | Fiber-reinforced polyamide[5,10] molding compounds | Motonori Yamamoto, Weol Kyu Jeong, Matthias Scheibitz, Freddy Gruber, Jürgen Deininger | 2014-06-03 |
| 8313935 | Method for isolating polyhydroxyl alkanoates | Rajan Hollmann, Bryan Cooper, Peter Preishuber-Pfluegl | 2012-11-20 |
| 7943726 | Process for preparation of oxymethylene polymers in a homogeneous phase, and use | Michael Haubs, Joachim Clauss, Michael Hoffmockel, Jurgen Lingnau | 2011-05-17 |
| 7812110 | Process for preparation of oxymethylene polymers, selected polymers, and their use | Michael Haubs, Joachim Clauss, Michael Hoffmockel, Jurgen Lingnau | 2010-10-12 |
| 7771646 | Laser-markable molding compositions, moldings prepared using the same and methods of marking such moldings | Joachim Clauss, Kurt Witan, Klaus Kurz | 2010-08-10 |
| 7655726 | Thermoplastic partially crystalline molding compound having a reduced surface luster and products made therefrom | Joachim Clauss, Christine Kostler, Klaus Kurz | 2010-02-02 |
| 7307138 | Polymer electrolytes and process for their preparation | Joachim Clauss, Gregor Deckers, Helmut Witteler | 2007-12-11 |
| 6723429 | Method for preparing smooth-surface spherical microparticles completely or partially made of at least one water-insoluble linear polysaccharide and microparticles produced according to this method | Holger Bengs, Jürgen Grande, Silke Schuth, Gitte Böhm, Anette Brunner | 2004-04-20 |
| 6703048 | Spherical microparticles containing linear polysaccharides | Holger Bengs, Jürgen Grande, Gitte Böhm | 2004-03-09 |
| 6592897 | Slow release tablet prepared from linear water-insoluble polysacchrides | Holger Bengs, Silke Schuth, Jürgen Grande, Gitte Böhm | 2003-07-15 |
| 6548075 | Cosmetic or medical preparation for topical use | Holger Bengs, Jürgen Grande, Silke Schuth, Gitte Böhm, Alfred Braunagel | 2003-04-15 |
| 6313105 | Thermoplastic mixtures containing dialdehyde starch and natural polymers | Holger Bengs, Gitte Böhm, Silke Schuth, Jürgen Grande | 2001-11-06 |
| 6214488 | Polymer electrolyte membrane and process for the production thereof | Freddy Helmer-Metzmann, Frank Osan, Helmut Ritter, Konstantin Ledjeff, Roland Nolte +1 more | 2001-04-10 |
| 6214891 | Process for producing a cation-exchanging polymer electrolyte membrane (PEM) | Helmut Witteler | 2001-04-10 |
| 6197147 | Process for continuous production of membrane-electrode composites | Harald Bönsel, Joachim Clauss, Gregor Deckers, Georg Frank, Helmut Witteler +2 more | 2001-03-06 |
| 6096856 | Polymer electrolytes and process for their production | Freddy Helmer-Metzmann, Andreas Schleicher, Helmut Witteler | 2000-08-01 |
| 6080822 | Copolymer for compatibilizing blends | Michael Haubs, Frank Bohme, Dennis Kappler, Doris Pospiech | 2000-06-27 |
| 5906716 | Metallized cation exchange membrane | Petra Mertesdorf, Reinhard Wagener, Helmut Witteler | 1999-05-25 |
| 5834566 | Homogeneous polymer alloys based on sulfonated aromatic polyetherkeytones | Freddy Helmer-Metzmann | 1998-11-10 |
| 5789492 | Weathering-resistant polymer alloys | Michael-Joachim Brekner, Hansotto Drotloff, Otto Hermann-Schonherr | 1998-08-04 |
| 5741408 | Polymer electrolyte membrane for use in fuel cells and electrolysis cells | Freddy Helmer-Metzmann, Frank Osan, Helmut Ritter, Konstantin Ledjeff, Roland Nolte +1 more | 1998-04-21 |