Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7026499 | Linear carboxy-functional organosiloxanyl derivatives and the use thereof for the treatment of the surfaces of leather | Heike Buskies, Sascha Oestreich, Stefan Stadtmuller | 2006-04-11 |
| 6630132 | UV-light-absorbing quaternary polysiloxanes | Michael Fender, Holger Leidreiter, Sascha Oestreich | 2003-10-07 |
| 6617391 | Linear polydialkylorganosiloxanes having polyoxyalkylene and amino-functional groups which additionally have terminal alkoxy groups | Holger Leidreiter, Sascha Oestreich, Stefan Stadtmuller, Akfred Walter | 2003-09-09 |
| 6489498 | Silanes with hydrophilic groups, their synthesis and use as surfactants in aqueous media | Klaus-Dieter Klein, Wilfried Knott, Gotz Koerner | 2002-12-03 |
| 6255511 | Silanes with hydrophilic groups, their synthesis and use as surfactants in aqueous media | Klaus-Dieter Klein, Wilfried Knott, Gotz Koerner | 2001-07-03 |
| 6242554 | Polysiloxanes having polyether quat functions | Stephan Busch, Peter Lersch, Stephan Stadtmuller | 2001-06-05 |
| 4891166 | Diquaternary polysiloxanes, their synthesis and use in cosmetic preparations | Dietmar Schaefer | 1990-01-02 |
| 4833225 | Polyquaternary polysiloxane polymers, their synthesis and use in cosmetic preparations | Dietmar Schaefer | 1989-05-23 |
| 4434008 | Substantive preparation material for yarns or plied yarns | Heinz Dumm, G/o/ tz Koerner, Hans Rott, G/u/ nter Schmidt | 1984-02-28 |