Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11242574 | Process for producing leather | Qing Shi, Biyu Peng, Chunxiao Zhang | 2022-02-08 |
| 10968295 | Acrylic acid polymers neutralized with sodium and calcium ions and having a narrow molecular weight distribution | Ferdinand Leifeld, Achim Fessenbecker, Steffen Henkes, Massimiliano Bordignon, Vandana Kurkal-Siebert +1 more | 2021-04-06 |
| 10612188 | Alkoxylated polyethyleneimine hydrophilically-modified fibers | Qin Qin Hu, Si Zhu | 2020-04-07 |
| 9721695 | Thermoplastic molding composition | Cecile Gibon, Xin Yang, Christof Kujat, Martin Weber, Daniel J. Klein +2 more | 2017-08-01 |
| 9670415 | Synthesis of zeolitic materials using N,N-dimethyl organotemplates | Bilge Yilmaz, Ulrich Berens, Vijay Narayanan Swaminathan, Ulrich Müller, Gabriele Iffland | 2017-06-06 |
| 8772547 | Method for producing 1-adamantyl trimethylammonium hydroxide | Christof Wilhelm Wigbers, Martin Ernst, Giovanni D'Andola, Ellen Dahlhoff, Gabriele Iffland +3 more | 2014-07-08 |
| 8507419 | Salts of thiophosphoric acids and use thereof in lubricants | Dirk Gerhard, Matthias Volkholz, Corvin Volkholz | 2013-08-13 |
| 8449944 | Method of producing coated textile, more particularly synthetic leathers | Markus Schuette, Hauke Malz | 2013-05-28 |
| 8350063 | Method for separating tioxane from a trioxane/formaldehyde/water mixture by means of pressure change rectification | Markus Siegert, Neven Lang, Christoph Sigwart, Franz Niklaus Windlin, Eckhard Stroefer | 2013-01-08 |
| 8252943 | Method for the production of compounds with quaternary sp2-hybridised nitrogen atoms | Matthias Maase, Klemens Massonne | 2012-08-28 |
| 8163951 | Method for producing quaternary ammonium compounds | Klemens Massonne, Matthias Maase, Alfred Oftring | 2012-04-24 |
| 8044120 | Ionic liquids for solubilizing polymers | Giovanni D'Andola, Klemens Massonne, Veit Stegmann | 2011-10-25 |
| 7858802 | Method of preparing ionic liquids | Matthias Maase, Klemens Massonne | 2010-12-28 |
| 7605297 | Method for extracting impurities using ionic liquids | Matthias Maase, Manuel Budich, Georg Groβmann | 2009-10-20 |
| 7547807 | Method for producing phosphonium salts | Klemens Massonne, Harald Laas, Kai Michael Exner, Detlev Glas | 2009-06-16 |