Issued Patents All Time
Showing 26–50 of 119 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6538067 | Interpolymers | Katrin Zeitz, Reinhold Dieing | 2003-03-25 |
| 6528575 | Use of crosslinked copolymers of monoethylenically unsaturated carboxylic acids as stabilizer in oil-in-water emulsions | Christian Schade, Horst Westenfelder, Karin Sperling-Vietmeier, Hans-Ulrich Wekel | 2003-03-04 |
| 6528089 | Method for producing solid dosing forms | Stephan Kothrade, Helmut Meffert, Gunther Berndl, Andreas Ernst | 2003-03-04 |
| 6525156 | Styrene-containing popcorn polymers, method for producing same and utilisation | Andreas Ernst, Helmut Meffert, Stefan Stein, Folker Ruchatz | 2003-02-25 |
| 6524564 | Urethane(meth)acrylates containing siloxane groups and able to undergo free-radical polymerization | Son Nguyen Kim, Volker Schehlmann | 2003-02-25 |
| 6497867 | Use of copolymers of monoethylenically unsaturated carboxylic acids as solubilizers | Helmut Meffert, Gunther Berndl, Folker Ruchatz, Karl Kolter, Kurt Bauer | 2002-12-24 |
| 6489397 | Crosslinked, water-soluble or water-dispersible polyurethanes | Son Nguyen Kim, Peter Hossel, Volker Schehlmann | 2002-12-03 |
| 6482393 | Hairsetting compositions | Volker Schehlmann, Karin Sperling-Vietmeier, Rainer Blankenburg | 2002-11-19 |
| 6444748 | Preparing aqueous polymer dispersions | Maximilian Angel, Karl Kolter | 2002-09-03 |
| 6410004 | Polyureas and water-soluble or water-dispersible polymeric salts | Son Nguyen Kim, Peter Hossel | 2002-06-25 |
| 6407158 | Water-soluble or water-dispersible polymeric salts | Son Nguyen Kim, Peter Hossel | 2002-06-18 |
| 6403074 | Use of polymers containing polysiloxane for cosmetic formulations | Rainer Blankenburg, Reinhold Dieing, Wolfgang Muller, Volker Schehlmann, Katrin Zeitz | 2002-06-11 |
| 6380338 | Polymers for cosmetic formulations | Helmut Witteler, Reinhold Dieing, Jacqueline Engesser, Wilma M. Dausch | 2002-04-30 |
| 6372876 | Use of polyurethanes which are soluble or dispersible in water as aids in cosmetic and pharmaceutical compositions, and polyurethanes which contain polylactic acid polyols as copolymerized units | Son Nguyen Kim, Karin Sperling-Vietmeier | 2002-04-16 |
| 6355231 | Use of cationic copolymers of unsaturated acids and N-vinylimidazolium salts in cosmetic hair formulations | Reinhold Dieing, Peter Hossel | 2002-03-12 |
| 6335003 | Use of cationic polyurethanes and polyureas as ingredients of cosmetic preparations | Son Nguyen Kim, Karin Sperling-Vietmeier, Peter Hoessel | 2002-01-01 |
| 6331294 | Use of copolymers of monoethylenically unsaturated carboxylic acids as solubilizers | Helmut Meffert, Gunther Berndl, Folker Ruchatz, Karl Kolter, Kurt Bauer | 2001-12-18 |
| 6329483 | Copolymers of carboxylic acids and quaternary ammonium compounds and the use thereof as thickeners of dispersants | Christian Schade, Hans-Ulrich Wekel, Franz Frosch, Horst Westenfelder | 2001-12-11 |
| 6329472 | Water-soluble or water-dispersible graft copolymers based on a polyvinyllactam, their preparation and use | Son Nguyen Kim, Peter Hossel, Volker Schehlmann | 2001-12-11 |
| 6319909 | Liquid iodophor from poly-n-vinyl lactam, dextrin and alcohols | Andreas Ernst, Jorg Breitenbach | 2001-11-20 |
| 6290990 | Slow-release matrix pellets and the production thereof | Sven Grabowski, Joerg Rosenberg | 2001-09-18 |
| 6277386 | Cosmetic | Son Nguyen Kim, Wilma M. Dausch, Volker Schehlmann | 2001-08-21 |
| 6262176 | Crosslinked water-soluble or water-dispersible polyurethanes | Son Nguyen Kim, Peter Hossel, Volker Schehlmann | 2001-07-17 |
| 6231876 | Use of water-soluble copolymers as active ingredients in cosmetics | Manfred Niessner, Claudia Nilz, Peter Hossel, Stephan Kothrade | 2001-05-15 |
| 6187884 | Preparation of low molecular mass homopolymers of N-vinylpyrrolidone | Stephan Kothrade, Rainer Blankenburg, Iris Peters | 2001-02-13 |