Issued Patents All Time
Showing 25 most recent of 50 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11807709 | Method for producing polyisocyanates of (cyclo)aliphatic diisocyanates which are flocculation-stable in solvents | Harald Schaefer, Daniel Flojhar, Jens Scheidel, Thomas Genger, Sebastian Emmerling +1 more | 2023-11-07 |
| 11001730 | Colour-stable curing compositions containing polyisocyanates of (cyclo)aliphatic diisocyanates | Harald Schaefer, Daniel Flojhar, Jens Scheidel, Thomas Genger, Sebastian Emmerling +1 more | 2021-05-11 |
| 8969614 | Method for producing colourless polyisocyanates | Horst Binder, Alexander Bayer | 2015-03-03 |
| 8609887 | Process for preparing polyisocyanates comprising biuret groups | Julia Leschinski, Torsten Mattke, Gerrit Waters, Horst Binder, Harald Schaefer +1 more | 2013-12-17 |
| 8373004 | Method for producing colorless isocyanurates of diisocyanates | Harald Schaefer, Carl Jokisch, Horst Binder, Alexander Bayer | 2013-02-12 |
| 6878683 | Polymers used as controllable dispersing agents | Peter Neumann, Werner Bertleff, Bernard Mohr | 2005-04-12 |
| 6872848 | Method for producing alkylpolyalkylene glycol esters of monoethylenically unsaturated carboxylic acids | Jürgen Pfister, Dieter Faul, Hans-Jurgen Raubenheimer, Karl-Heinz Buchner | 2005-03-29 |
| 6855762 | Method for producing water soluble polymer of esters from ethylenically unsaturated carboxylic acids and polyalkylene glycols | Karl-Heinz Buchner, Johannes Perner, Hans-Jurgen Raubenheimer, Dieter Faul | 2005-02-15 |
| 6849703 | Water-soluble polymers of esters made from acrylic acid and alkylpolyalkylene glycols | Karl-Heinz Buchner, Gregor Brodt | 2005-02-01 |
| 6846882 | Method for modifying acid group containing polymers | Johannes Perner, Karl-Heinz Buchner, Jochen Wild, Jürgen Pfister | 2005-01-25 |
| 6756471 | Process for the preparation of water-soluble polymers containing polyalkylene glycol ether side chains | Karl-Heinz Buchner, Johannes Perner | 2004-06-29 |
| 6753361 | Compositions for producing moldings from finely divided materials | Matthias Gerst, Bernd Reck | 2004-06-22 |
| 6545067 | Additives for mineral building materials containing cement | Karl-Heinz Buchner, Michael Ehle, Johannes Perner, Knut Oppenlander, Markus Hartmann +1 more | 2003-04-08 |
| 6172028 | Detergent and tableware cleaner | Richard Baur, Werner Bertleff, Birgit Potthoff-Karl, Beate Ehle, Gunnar Schornick | 2001-01-09 |
| 6147048 | Use of at least trivalent alcohols and their alkoxylation products increasing the speed of dissolution of particulate detergent formulations in water | Jürgen Huff, Hans-Ulrich Jager, Martin aus dem Kahmen, Jurgen Alfred Lux, Günter Oetter | 2000-11-14 |
| 6111058 | Biodegradable polyesteramide and a process of preparing | Volker Warzelhan, Jurgen Hofmann, Ursula Seeliger, Motonori Yamamoto, Peter Bauer | 2000-08-29 |
| 6063961 | Process for preparing cocondensates of aspartic acid amines | — | 2000-05-16 |
| 6046248 | Biodegradable polymers, the preparation thereof and the use thereof for producing biodegradable moldings | Volker Warzelhan, Frank Braun, Ursula Seeliger, Motonori Yamamoto, Rainer Buschl | 2000-04-04 |
| 6001798 | Use of modified polyaspartic acids in washing agents | Richard Baur, Werner Bertleff, Hans-Ulrich Jager, Angelika Funhoff, Gunnar Schornick | 1999-12-14 |
| 5961965 | Water-soluble or water-dispersible polyaspartic acid derivatives their preparation and their use | Son Nguyen Kim, Axel Sanner, Peter Hossel | 1999-10-05 |
| 5925728 | Water-soluble or water-dispersible polyaspartic acid derivatives, their preparation and their use | Son Nguyen Kim, Axel Sanner, Peter Hossel | 1999-07-20 |
| 5888959 | Preparation of polycondensates of aspartic acid and use of the polycondensates | Gunnar Schornick | 1999-03-30 |
| 5886137 | Preparation of salts of polyaspartic acid and their use in detergents and cleaners | Gunnar Schornick, Uwe Strotmann, Volker Schwendemann, Thomas A. Meyer, Alfons Ludwig | 1999-03-23 |
| 5863991 | Biodegradable polymers, the preparation thereof and the use thereof for the production of biodegradable moldings | Volker Warzelhan, Gunnar Schornick, Ursula Seeliger, Motonori Yamamoto, Gerhard G. Ramlow | 1999-01-26 |
| 5830985 | Preparation of polyaspartic acid | Gunnar Schornick, Hans-Jacob Feindt, Thomas A. Meyer, Alfons Ludwig, Udo Metzmann | 1998-11-03 |