Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6732748 | Clear rinsing agents | Michael Elsner, Rita Koester, Karl Schmid | 2004-05-11 |
| 6641803 | Hair-conditioning agents | Norbert Boyxen, Celia Kosboth, Dagmar Goebels, Werner Seipel | 2003-11-04 |
| 6616706 | Method for producing hair dye products | Peter Busch, Thomas Foerster, Hermann Hensen, Holger Tesmann, Markus Sumser +1 more | 2003-09-09 |
| 6572663 | Method for producing hair coloring preparations with improved viscosity | Adrian Pitfield, Heribert Lorenz, Frank Golinski, Thomas Foerster, Markus Sumser +1 more | 2003-06-03 |
| 6555101 | Hair aftertreatment preparations | Hermann Hensen, Thomas Mueller-Kirschbaum, Dagmar Goebels, Holger Tesmann | 2003-04-29 |
| 6482418 | Cosmetic and/or pharmaceutical preparations comprising dialkenyl carbonates | Thorsten Loehl, Thomas Gassenmeier, Hermann Hensen, Holger Tesmann, Achim Ansmann | 2002-11-19 |
| 6432419 | Use of fats to replace silicone in cosmetic and/or pharmaceutical preparations | Achim Ansmann, Bernd Fabry, Rolf Kawa, Werner Seipel | 2002-08-13 |
| 6288021 | Method for the production of waterfree and dustfree anionic surfactants | Thomas Lueder, Bernd Fabry, Werner Seipel | 2001-09-11 |
| 6248313 | Hair cosmetic preparations containing cationic biopolymers | Rolf Wachter, Matthias Hofmann, Michael Heyer | 2001-06-19 |
| 6235913 | Method for producing fatty acid polyglycol ester sulphates | Hans-Christian Raths, Thomas Engels, Rainer Rueben | 2001-05-22 |
| 6235696 | Heavily foaming detergent mixtures containing fatty acid polyglycol ester sulphates | Hermann Hensen, Ullrich Bernecker, Werner Seipel, Holger Tesmann, Thomas Engels +2 more | 2001-05-22 |
| 6207140 | Sun screening agents in the form of oil/water micro emulsions | Werner Seipel, Bernd Fabry | 2001-03-27 |
| 6056947 | Hair aftertreatment preparations | Hermann Hensen, Thomas Mueller-Kirschbaum, Dagmar Goebels, Holger Tesmann | 2000-05-02 |
| 5925747 | Pumpable water-containing surfactant concentrates | Guenter Uphues, Ansgar Behler, Peter Neumann, Hermann Hensen, Werner Seipel +1 more | 1999-07-20 |
| 5891199 | Polymer dyestuffs and their use for dyeing fibres | Rolf Wachter, David Rose | 1999-04-06 |
| 5883068 | Pumpable water-containing surfactant concentrates | Hermann Hensen, Renate Lindner, Werner Seipel | 1999-03-16 |
| 5773595 | Cationic sugar surfactants | Manfred Weuthen, Hermann Hensen, Holger Tesmann | 1998-06-30 |
| 5494659 | Hair treatment composition | Barry A. Salka, Hermann Hensen, Holger Tesmann | 1996-02-27 |