Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6686320 | Use of water-insoluble polyoxyalkylene-polysiloxane block copolymers for defoaming aqueous media | Thomas Ebbrecht, Michael Keup, Stefan Silber, Roland Sucker | 2004-02-03 |
| 6552092 | Defoamers for aqueous media | Thomas Ebbrecht, Michael Gippert, Martina Hartmann, Peter Muss, Stefan Silber +1 more | 2003-04-22 |
| 6525103 | Water-insoluble poly(oxy-1,4-butanediyl)-containing polyoxyalkylene-polysiloxane block copolymers for defoaming aqueous media | Thomas Ebbrecht, Michael Keup, Stefan Silber, Roland Sucker | 2003-02-25 |
| 6451863 | Use of water-insoluble poly(oxy-1,4-butanediyl)-containing polyoxyalkylene-polysiloxane block copolymers for defoaming aqueous media | Thomas Ebbrecht, Michael Keup, Stefan Silber, Roland Sucker | 2002-09-17 |
| 6433028 | Use of water-insoluble polyoxyalkylene-polysiloxane block copolymers for defoaming aqueous media | Thomas Ebbrecht, Michael Keup, Stefan Silber, Roland Sucker | 2002-08-13 |
| 6423785 | Maleic anhydride copolymers containing amine oxide groups and their use as dispersants for pigments of fillers | Eberhard Esselborn, Manfred Gaikowski, Ellen Reuter, Stefan Silber, Andreas Stüttgen | 2002-07-23 |
| 6420324 | Defoamers for aqueous media | Thomas Ebbrecht, Michael Gippert, Martina Hartmann, Peter Muss, Stefan Silber +1 more | 2002-07-16 |
| 6391831 | Use of water-insoluble polyoxyarylene-polysiloxane block copolymers for defoaming aqueous media | Thomas Ebbrecht, Michael Keup, Stefan Silber, Roland Sucker | 2002-05-21 |
| 6297331 | Organosiloxanyl derivatives of alkanediol monovinyl ethers, process for their preparation, their modification and their use as paint additives | Georg Feldmann-Krane, Rolf-Dieter Langenhagen, Gerhard Reusmann, Stefan Silber, Werner Spratte +1 more | 2001-10-02 |
| 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, 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 | Burghard Gruning, Geoffrey Hills, Dietmar Schaefer, Stefan Silber, Christian Weitemeyer | 2001-07-31 |
| 6194596 | Polysiloxanes containing carbonate groups and modified with linear polyesters and their use as additives in coatings | Stefan Silber | 2001-02-27 |
| 6054534 | Silicone poly(meth) acrylates, their preparation and their use in coatings | Gerhard Reusmann, Stefan Silber | 2000-04-25 |