Issued Patents All Time
Showing 25 most recent of 56 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8143176 | Textile two or three dimensional fabric containing materials that are capable of swelling | Manfred Weber, Axel Weiss, Pulakesh Mukherjee, Ralf Mossbach, Bernd Reck +2 more | 2012-03-27 |
| 7847044 | Method of producing water-soluble nonturbid copolymers of at least one water-soluble N-vinyllactam and at least one hydrophobic comonomer by polymerization under increased pressure | Rainer Dobrawa, Ralf Widmaier, Klaus Schnell, Karl-Hermann Strube, Ulrich Filges +5 more | 2010-12-07 |
| 7629425 | Methods of producing water-soluble, non-turbid copolymers of at least one water-soluble N-vinyllactam and at least one hydrophobic comonomer | Rainer Dobrawa, Ralf Widmaier, Klaus Schnell, Karl-Hermann Strube, Jurgen Nieberle +7 more | 2009-12-08 |
| 7572870 | Method of producing water-soluble nonturbid copolymers of at least one water-soluble N-vinyllactam and at least one hydrophobic comonomer | Rainer Dobrawa, Ralf Widmaier, Klaus Schnell | 2009-08-11 |
| 7572871 | Method of producing water-soluble nonturbid copolymers of at least one water-soluble N-vinyllactam and at least one hydrophobic comonomer | Rainer Dobrawa, Ralf Widmaier, Klaus Schnell | 2009-08-11 |
| 7449531 | Method of producing water-soluble nonturbid copolymers of at least one water-soluble N-vinyllactam and at least one hydrophobic comonomer | Rainer Dobrawa, Ralf Widmaier, Klaus Schnell, Martin Meister | 2008-11-11 |
| 7442751 | Method of producing water-soluble nonturbid copolymers of at least one water-soluble N-vinyllactam and at least one hydrophobic comonomer | Rainer Dobrawa, Ralf Widmaier, Klaus Schnell, Karl-Hermann Strube | 2008-10-28 |
| 6803405 | Thickeners for aqueous dispersions | Klaus Schnell, Michael Kerber, Eckehardt Wistuba | 2004-10-12 |
| 5889101 | Preparation of emulsifier-free aqueous polymer emulsions | Bernhard Schlarb, Maria Gyopar Rau, Gunther Schulz, Harm Wiese | 1999-03-30 |
| 5739195 | Process for preparing aqueous solutions of poly(N-vinyl-.epsilon.-caprolactam) and their use | Jorg Kroker, Reinhard Schneider, Michael Kerber | 1998-04-14 |
| 5486586 | Adhesives based on polyvinyl ether copolymers | Hubertus Kroener, Eckehardt Wistuba, Oral Aydin, Elmar Schwarzenbach, Klaus Schnell | 1996-01-23 |
| 5055168 | Binder for cathodic electrocoating | Dirk Lawrenz, Thomas Schwerzel | 1991-10-08 |
| 5015673 | Synthetic resin with basic nitrogen groups, preparation and use thereof using a urethane carrying ketimine | Thomas Perner, Rolf Osterloh, Thomas Schwerzel, Klaas Ahlers | 1991-05-14 |
| 5015672 | Synthetic resin with basic nitrogen groups, preparation and use thereof using a urethane carrying ketimine | Thomas Perner, Rolf Osterloh, Thomas Schwerzel, Klaas Ahlers | 1991-05-14 |
| 4981884 | Synthetic resin with basic nitrogen groups, preparation and use thereof | Thomas Perner, Rolf Osterloh, Thomas Schwerzel, Klaas Ahlers | 1991-01-01 |
| 4956402 | Synthetic resin with basic nitrogen groups from resins reacted with the ketimine-urethane product of an alkanolamine, a ketone and anisocyanate | Thomas Perner, Rolf Osterloh, Thomas Schwerzel, Klaas Ahlers | 1990-09-11 |
| 4871808 | Binders water-dilutable by protonation with acid | Thomas Schwerzel, Rolf Osterloh, Thomas Perner, Klaas Ahlers | 1989-10-03 |
| 4855394 | Reaction products and condensates based on substituted propyleneureas and their preparation | Ulrich Goeckel, Harro Petersen, Rolf Osterloh, Werner Loch, Thomas Schwerzel | 1989-08-08 |
| 4788260 | Water-dispersible binders for cationic electropaints, and a process for their preparation | Wolfgang Batzill, Horst Diefenbach, Michael Geist | 1988-11-29 |
| 4777194 | Heat-curable coating agent, and cathodic electrocoating | Fritz E. Kempter, Juergen Nieberle | 1988-10-11 |
| 4769420 | Binder which is rendered water-dilutable by protonation with an acid, from carboxyl terminated butadiene/acrylonitrile copolymers | Thomas Schwerzel, Rolf Osterloh, Klaas Ahlers | 1988-09-06 |
| 4752631 | Binders for cathodic electrocoating | Rolf Osterloh, Werner Loch, Klaas Ahlers | 1988-06-21 |
| 4730011 | Synthetic resin containing quaternary ammonium groups, its preparation, and pigment paste produced using this resin | Werner Loch, Rolf Osterloh, Klaas Ahlers | 1988-03-08 |
| 4721758 | Binders for cathodic electrocoating which contain non-tertiary basic amino groups in addition to phenolic mannich bases | Rolf Osterloh, Werner Loch, Klaas Ahlers | 1988-01-26 |
| 4713406 | Binders for cathodic electrocoating | Rolf Osterloh, Werner Loch, Klaas Ahlers | 1987-12-15 |