Issued Patents All Time
Showing 26–50 of 54 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6410654 | Highly rigid, high-tenacity impact-resistant polystyrene | Philippe Desbois, Hermann Gausepohl, Volker Warzelhan | 2002-06-25 |
| 6399703 | Method for the continuous production of thermoplastic molding materials | Wolfgang Fischer, Eugen-Walter Büchner, Axel Deimling, Hermann Gausepohl | 2002-06-04 |
| 6353056 | Method for the production of block copolymers by retarded anionic polymerization | Konrad Knoll, Hermann Gausepohl, Volker Warzelhan, Wolfgang Fischer | 2002-03-05 |
| 6350834 | Method for retarded anionic polymerization | Wolfgang Fischer, Hermann Gausepohl, Konrad Knoll, Volker Warzelhan, Michel Fontanille +2 more | 2002-02-26 |
| 6329483 | Copolymers of carboxylic acids and quaternary ammonium compounds and the use thereof as thickeners of dispersants | Axel Sanner, Hans-Ulrich Wekel, Franz Frosch, Horst Westenfelder | 2001-12-11 |
| 6303721 | Process for producing diene polymer solutions in vinyl aromatic monomers | Stefan Lätsch, Wolfgang Fischer, Hermann Gausepohl, Volker Warzelhan | 2001-10-16 |
| 6300441 | Method for the production of an initiator composition for retarded anionic polymerization | Wolfgang Fischer, Hermann Gausepohl, Stephan Jungling, Volker Warzelhan, Michel Fontanille +2 more | 2001-10-09 |
| 6165969 | Use of quaternized polymerizates containing units of vinyl imidazol as a color fixing and color transfer inhibiting additive to detergent post-treatment agents and detergents | Dieter Bockh, Hans-Ulrich Jager, Jurgen Alfred Lux, Stefan Stein, Jürgen Detering | 2000-12-26 |
| 6146707 | Aqueous coating agent | Eckchard Sapper, Kurt Wendel, Hubert Baumgart | 2000-11-14 |
| 6132705 | Cosmetic or pharmaceutical compositions for use on the skin | Volker Schehlmann, Axel Sanner, Karin Sperling, Hans-Ulrich Wekel | 2000-10-17 |
| 6025317 | Powdery porous polymers containing N-vinylimidazol units, process for their preparation and their use | Stefan Stein, Dieter Boeckh, Gerhard Rossler | 2000-02-15 |
| 6015551 | Copolymers of carboxylic acids and multiply olefinically unsaturated carboxylic acid derivatives and their use as thickeners and dispergents | Hans-Ulrich Wekel, Axel Sanner, Karin Sperling | 2000-01-18 |
| 5962613 | Water soluble crosslinked copolymers, their preparation and their use | Jürgen Detering, Stefan Stein, Dieter Boeckh, Hans-Ulrich Jager | 1999-10-05 |
| 5912294 | Aqueous polymer emulsion, processes of making said aqueous polymer emulsion and methods of using said aqueous polymer emulsion | — | 1999-06-15 |
| 5869032 | Quaternized copolymers suitable as active ingredients in cosmetic formulations, such as hair styling compositions | Jurgen Tropsch, Axel Sanner, Peter Hossel, Hans-Jurgen Raubenheimer | 1999-02-09 |
| 5849853 | Preparation of water-insoluble polymers | — | 1998-12-15 |
| 5846924 | Use of vinylpyrrolidone and vinylimidazole copolymers as detergent additives, novel polymers of vinylpyrrolidone and of vinylimidazole, and preparation thereof | Juergen Detering, Wolfgang Trieselt, Juergen Tropsch | 1998-12-08 |
| 5830844 | Dye transfer inhibitors for detergents | Jürgen Detering, Johannes Perner, Hans-Ulrich Jager | 1998-11-03 |
| 5804662 | Agglomerated, finely divided, crosslinked vinylimidazole copolymers, preparation thereof, and use thereof | Karl-Heinrich Schneider | 1998-09-08 |
| 5773545 | Polymers of alkyl-1-vinylimidazloes, the preparation and use thereof | Hans-Ulrich Jager, Jürgen Detering | 1998-06-30 |
| 5677384 | Grafted polyamidoamines and grafted polyethyleneimines, preparation thereof, and use thereof as detergent additives | Juergen Detering, Knut Oppenlaender, Michael Zirnstein, Guenter Scherr, Wolfgang Trieselt +1 more | 1997-10-14 |
| 5639832 | Preparation of products of the reaction of polyaspartimide and amino acids and the use thereof | Matthias Kroner, Gunnar Schornick, Dieter Boeckh, Richard Baur, Birgit Potthoff-Karl +2 more | 1997-06-17 |
| 5637664 | Polymeric, catalytically active compounds, their preparation, and their use as catalysts in the preparation of polyisocyanates containing uretdione groups | Bernd Bruchmann, Roland Minges, Konrad Stiefenhoefer | 1997-06-10 |
| 5627151 | Use of vinylpyrrolidone copolymers as detergent additives, novel polymers of vinylpyrrolidone, and preparation thereof | Juergen Detering, Wolfgang Trieselt, Juergen Tropsch | 1997-05-06 |
| 5622926 | Vinylpyrrolidone and vinylimidazole copolymers, their preparation and their use in detergents | Juergen Detering, Wolfgang Trieselt | 1997-04-22 |