Issued Patents All Time
Showing 1–25 of 57 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9662515 | Method for producing 4-aminobutyric acid from algae | Tim Köhler, Jennifer Schild, Matthias Mentel, Peter Lersch, Mike Farwick | 2017-05-30 |
| 7626006 | Process for preparing alkylglycosides | Matthias Pascaly, Burghard Gruning, Dietrich Maass | 2009-12-01 |
| 7597881 | Use of ester quats in compositions as sand-repellent substances | Burghard Gruning, Klaus Jenni, Ralf Mathiak, Jurgen Meyer | 2009-10-06 |
| 7595181 | Thermostable esterases from thermophilic bacteria | Burghard Gruning, Geoffrey Hills, Thomas Veit, Olivier Favre-Bulle, Fabrice Lefevre +2 more | 2009-09-29 |
| 7393972 | Process for preparing amino acid esters and their acid addition salts | Matthias Pascaly, Dietrich Maaβ, Dieter Buβ, Burghard Gruning, Günter Latoschinski +1 more | 2008-07-01 |
| 6737501 | Process for the preparation of copolymeric hydrophobically modified polyglutamic acid derivatives and their use | Thomas Dietz, Erika Messinger, Peter Muss, Ute Schick, Astrid Zündorff | 2004-05-18 |
| 6358501 | Polypeptide-polysiloxane copolymers | Thomas Dietz, Peter Lersch | 2002-03-19 |
| 6313260 | Copolymeric, hydrophobically modified polyaspartic esters having increased molecular mass and their use | Burghard Gruning, Jorg Simpelkamp | 2001-11-06 |
| 6288129 | Process for preparing acrylic esters and/or methacrylic esters of hydroxy-functional siloxanes and/or polyoxyalkylene-modified siloxanes and their use | Burghard Gruning, Geoffrey Hills, Wolfgang Josten, Dietmar Schaefer, Stefan Silber | 2001-09-11 |
| 6287578 | Condensation products containing polyether-modified monoesters and/or -amides of .alpha., .beta.-unsaturated dicarboxylic acids, their preparation and use | Michael Duetsch, Burghard Gruning, Jorg Simpelkamp | 2001-09-11 |
| 6268521 | Process for preparing acrylic esters and/or methacrylic esters of polyoxyalkylenes and the use thereof | Burghard Gruning, Geoffrey Hills, Wolfgang Josten, Dietmar Schaefer, Stefan Silber | 2001-07-31 |
| 6242499 | Polyglycerol partial esters of fatty acids and polyfunctional carboxylic acids, their preparation and use | Burghard Gruning, Peter Hameyer, Josef Metzelaars | 2001-06-05 |
| 6218459 | Pigment pastes comprising hydrophobically modified polyaspartic acid derivatives | Burghard Gruning, Stefan Silber, Jorg Simpelkamp | 2001-04-17 |
| 6022926 | Organosilanes and organopolysiloxanes containing 2-oxazolidinone groups, their use as surface-active substances and their use for preparing organosilanes and organopolysiloxanes containing amino or carbamido groups | Thomas Dietz | 2000-02-08 |
| 5941812 | Storage-stable, concentrated surfactant composition based on alkylglucosides | Burghard Gruning | 1999-08-24 |
| 5910564 | Polyamino acid ester copolymers | Burghard Gruning, Harald Rau, Jorg Simpelkamp | 1999-06-08 |
| 5891977 | Organopolysiloxanes comprising polyhydroxyorganyl radicals and polyoxyalkylene radicals | Thomas Dietz, Burghard Gruning, Peter Lersch | 1999-04-06 |
| 5792737 | Mild, aqueous, surfactant preparation for cosmetic purposes and as detergent | Burghard Gruning | 1998-08-11 |
| 5645842 | Cosmetic or pharmaceutical preparations | Burghard Gruning | 1997-07-08 |
| 5637746 | Process for preparing carboxyl-functional silanes and siloxanes | Arno Knebelkamp, Peter Lersch | 1997-06-10 |
| 5606077 | Method for the synthesis of organopolysiloxanes containing carbonate groups | Peter Lersch | 1997-02-25 |
| 5491245 | Method for the synthesis of amphoteric surfactants | Burghard Gruning | 1996-02-13 |
| 5470992 | Method for the synthesis of betaines containing.ltoreq.10 ppm of organically bound chlorine | Burghard Gruning, Willi Foitzik, Hans-Dieter Kaseborn | 1995-11-28 |
| 5391321 | Liquid or pasty, storage-stable multiple emulsions of the O.sup.1 /W/O.sup. 2 | Burghard Gruning, Peter Hameyer | 1995-02-21 |
| 5354906 | Aqueous liquid solution of a betaine with a solids content of at least 40% by weight | Willi Foitzik, Hans-Dieter Kaseborn, Burghard Gruning, Uwe Begoihn | 1994-10-11 |