Issued Patents All Time
Showing 25 most recent of 46 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8138372 | Zwitterionic compounds and use thereof | Sascha Herrwerth, Hans Henning Wenk, Petra Allef, Uwe Begoihn | 2012-03-20 |
| 8076440 | Polysiloxane block copolymers | Dirk Kuppert, Brian Yang, Sven Balk, Gerd Lohden | 2011-12-13 |
| 7851511 | Emulsifier for highly liquid W/O emulsion based on partly crosslinked polyglycerol esters of polyhydroxystearic acid | Petra Allef, Wolfgang Berkels, Thomas Dietz, Peter Hameyer | 2010-12-14 |
| 7847123 | Antimicrobial compositions | Hans Henning Wenk, Petra Allef, Stefan Bergfried, Mike Farwick | 2010-12-07 |
| 7626006 | Process for preparing alkylglycosides | Matthias Pascaly, Dietrich Maass, Christian Weitemeyer | 2009-12-01 |
| 7597881 | Use of ester quats in compositions as sand-repellent substances | Klaus Jenni, Ralf Mathiak, Jurgen Meyer, Christian Weitemeyer | 2009-10-06 |
| 7595181 | Thermostable esterases from thermophilic bacteria | Geoffrey Hills, Thomas Veit, Christian Weitemeyer, Olivier Favre-Bulle, Fabrice Lefevre +2 more | 2009-09-29 |
| 7465438 | Solubilizing agents/solvents for organic UV filters | Christoph Schunicht, Pawel Grzebyk, Klaus Jenni | 2008-12-16 |
| 7393972 | Process for preparing amino acid esters and their acid addition salts | Matthias Pascaly, Dietrich Maaβ, Dieter Buβ, Günter Latoschinski, Tim Popken +1 more | 2008-07-01 |
| 7297675 | Process for the preparation of highly concentrated flowable aqueous solutions of betaines | Petra Allef, Uwe Begoihn, Ralf Klein, Jörg Peggau | 2007-11-20 |
| 7163916 | Process for the preparation of highly concentrated flowable aqueous solutions of betaines | Petra Allef, Uwe Begoihn, Ralf Klein, Jörg Peggau | 2007-01-16 |
| 6706502 | Enzymatic preparation of hydroxy fatty acid esters of polyhydric alcohols which are solid at room temperature | Geoffrey Hills, Peter Lersch | 2004-03-16 |
| 6605351 | Amphiphilic particles or molecules with predominantly hydrophilic and predominantly hydrophobic domains distributed anisotropically on their surface | Gerd Rossmy, Peter Gimmnich, Helmut Schator, Joachim Venzmer | 2003-08-12 |
| 6581613 | Alkylpolyglucoside with a high degree of oligomerization | Wolfgang Berkels, Felix Muller, Jörg Peggau | 2003-06-24 |
| 6391319 | Cosmetic and dermatological emulsions comprising alkyl glucosides and increased electrolyte concentrations | Rainer Kropke, Anja Lührs, Anja Müller, Jens Nielsen, Andrea Bungard +1 more | 2002-05-21 |
| 6320065 | Fatty acid partial esters of polyols | Geoffrey Hills | 2001-11-20 |
| 6313260 | Copolymeric, hydrophobically modified polyaspartic esters having increased molecular mass and their use | Jorg Simpelkamp, Christian Weitemeyer | 2001-11-06 |
| 6287578 | Condensation products containing polyether-modified monoesters and/or -amides of .alpha., .beta.-unsaturated dicarboxylic acids, their preparation and use | Michael Duetsch, Jorg Simpelkamp, Christian Weitemeyer | 2001-09-11 |
| 6288129 | Process for preparing acrylic esters and/or methacrylic esters of hydroxy-functional siloxanes and/or polyoxyalkylene-modified siloxanes and their use | Geoffrey Hills, Wolfgang Josten, Dietmar Schaefer, Stefan Silber, Christian Weitemeyer | 2001-09-11 |
| 6268521 | Process for preparing acrylic esters and/or methacrylic esters of polyoxyalkylenes and the use thereof | Geoffrey Hills, Wolfgang Josten, Dietmar Schaefer, Stefan Silber, Christian Weitemeyer | 2001-07-31 |
| 6242499 | Polyglycerol partial esters of fatty acids and polyfunctional carboxylic acids, their preparation and use | Peter Hameyer, Josef Metzelaars, Christian Weitemeyer | 2001-06-05 |
| 6218459 | Pigment pastes comprising hydrophobically modified polyaspartic acid derivatives | Stefan Silber, Jorg Simpelkamp, Christian Weitemeyer | 2001-04-17 |
| 6150543 | Enzymatic preparation of regioselective fatty acid esters of ascorbic acid | Geoffrey Hills | 2000-11-21 |
| 6030939 | Aqueous preparations containing betaines based on polymeric fatty acids | — | 2000-02-29 |
| 5994415 | Compound antifoams for defoaming polymer dispersions and aqueous coating systems | Petra Hinrichs, Michael Keup, Frank König, Stefan Silber, Roland Sucker +1 more | 1999-11-30 |