Issued Patents All Time
Showing 1–25 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8119710 | Filled rubber compounds with improved processability | Michèle Gerster, Gerrit Knobloch, Pierre Rota-Graziosi | 2012-02-21 |
| 7868171 | N-alkoxy-4, 4-dioxy-polyalkyl-piperidines as radical polymerization initiators | Wiebke Wunderlich, Andreas Kramer, Jochen Fink | 2011-01-11 |
| 7723409 | Coupling agents between filler and elastomer | Michèle Gerster, Gerrit Knobloch, Pierre Rota-Graziosi | 2010-05-25 |
| 7291682 | Method of producing comb or star copolymers using epoxy-functionalized nitroxylethers | Wiebke Wunderlich-Wippert, Rudolf Pfaendner, Jochen Fink | 2007-11-06 |
| 7235663 | N-alkoxy-4,4-dioxy-polyalkyl-piperidines as radical polymerization inhibitors | Wiebke Wunderlich, Andreas Kramer, Jochen Fink | 2007-06-26 |
| 7144691 | Color photographic recording material | Stéphane Biry, Andreas Kramer | 2006-12-05 |
| 6864313 | Use of 2,2,6,6 tetraalkylpiperidine-N-oxyl radicals having long alkyl chains as polymerization regulators | Wiebke Wunderlich, Margot Clauss, Michael Roth | 2005-03-08 |
| 6765062 | Polymer blends with improved impact resistance | Hui Chin, James H. Botkin, Wiebke Wunderlich | 2004-07-20 |
| 6569940 | Use of 2,2,6,6 tetraalkylpiperidine-N-oxyl radicals having long alkyl chains as polymerization regulators | Wiebke Wunderlich, Margot Clauss, Michael Roth | 2003-05-27 |
| 6566468 | Nitroxyl derivatives with glycidyl or alkylcarbonyl groups as initiators for radical polymerization | Michael Roth, Wiebke Wunderlich | 2003-05-20 |
| 6444754 | Polymer blends with improved impact resistance | Hui Chin, James H. Botkin, Wiebke Wunderlich | 2002-09-03 |
| 5997769 | Stabilizer combination | Rolf Tittmann, Gerhard Reinert, Hans Peter Harri | 1999-12-07 |
| 5984976 | Process for improving the photochemical stability of dyeings and prints on polyester fibres | — | 1999-11-16 |
| 5938793 | Process for increasing the sun protection factor of cellulosic fibre materials | Gerhard Reinert, Rolf Hilfiker | 1999-08-17 |
| 5914444 | Process for increasing the sun protection factor of cellulosic fiber materials | Gerhard Reinert, Rolf Hilfiker | 1999-06-22 |
| 5871669 | Stabilizer combination | Rolf Tittmann, Gerhard Reinert, Hans Peter Harri | 1999-02-16 |
| 5811081 | Use of hydroxybenzotriazoles for enhancing the sun protection factor of cellulosic fibre materials | Gerhard Reinert | 1998-09-22 |
| 5786475 | UV absorbers, their preparation and the use thereof | Gerhard Reinert | 1998-07-28 |
| 5786476 | UV absorbers, their preparation and use | — | 1998-07-28 |
| 5700295 | UV absorbers, their preparation and the use thereof | Gerhard Reinert | 1997-12-23 |
| 5696262 | Water-soluble triazines | Gerhard Reinert | 1997-12-09 |
| 5578667 | Sulphonated phenolic triazine antioxidants for polyamide fibers | Gerhard Reinert | 1996-11-26 |
| 5356443 | Stabilization of dyeings of polyamide fibres | Gerhard Reinert, Thys Bouwknegt | 1994-10-18 |
| 5312917 | Water-soluble triazine derivatives | Gerhard Reinert | 1994-05-17 |
| 5281707 | Water-soluble triazines | Gerhard Reinert | 1994-01-25 |