Issued Patents All Time
Showing 1–24 of 24 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6737527 | 4-formylamino-N-methylpiperidine derivatives, the use thereof as stabilizers and organic material stabilized therewith | Sylke Haremza, Jurgen Krockenberger, Manfred Appel, Hubert Trauth | 2004-05-18 |
| 6492442 | Stabilizer composition | Manfred Appel, Hubert Trauth, Jurgen Krockenberger | 2002-12-10 |
| 6407247 | Photo-stable cosmetic and pharmaceutical formulations containing UV-filters | Thorsten Habeck, Volker Schehlmann, Horst Westenfelder, Thomas Wunsch | 2002-06-18 |
| 6379588 | Stabilized monomer composition | Heinz Friedrich Sutoris, Andreas Koch, Jacques Dupuis, Manfred Niessner | 2002-04-30 |
| 6268441 | Method for polymerizing vinyl monomers | John Lynch, Heinz Friedrich Sutoris, Jürgen Zubiller | 2001-07-31 |
| 6147145 | Stabilized monomer composition | Andreas Koch, Heinz Friedrich Sutoris, Jacques Dupuis, Manfred Niessner | 2000-11-14 |
| 6143205 | Mixtures containing monomers and stabilizers | Heinz Friedrich Sutoris, Hermann Uhr | 2000-11-07 |
| 6069258 | Cosmetic preparations comprising photostable UV-A filters | Thorsten Habeck, Volker Schehlmann, Horst Westenfelder, Thomas Wunsch | 2000-05-30 |
| 6037487 | Photo-stable cosmetic and pharmaceutical formulations containing UV-filters | Thorsten Habeck, Volker Schehlmann, Horst Westenfelder, Thomas Wunsch | 2000-03-14 |
| 6007828 | Cosmetic preparations containing photostable UV-A filters | Martin Holderbaum, Karin Sperling, Horst Westenfelder, Thomas Wunsch | 1999-12-28 |
| 5973040 | Tetramethylpiperidine-containing copolymers | Alfred Krause, Hubert Trauth, Albin Berger, Andreas Deckers | 1999-10-26 |
| 5945091 | Photo-stable cosmetic and pharmaceutical formulations containing UV-filters | Thorsten Habeck, Volker Schehlmann, Horst Westenfelder, Thomas Wunsch | 1999-08-31 |
| 5922244 | 4-acylaminopiperidin-N-oxyle | Andreas Koch, Konrad Mitulla, Gregor Tremmel, Holger Herbst | 1999-07-13 |
| 5917080 | Preparation of 2-cyano-3,3-diarylacrylic esters | Martin Holderbaum, Karl Beck, Tom Witzel, Guido Voit | 1999-06-29 |
| 5914360 | Preparation of N, N'-bridged bistetramethylpiperidinyl compounds | — | 1999-06-22 |
| 5914379 | Compression of ethylenically unsaturated monomers | Heinz Friedrich Sutoris, Andreas Koch, Andreas Deckers, Eckard Schauss, Roger Klimesch +2 more | 1999-06-22 |
| 5872252 | Compression of ethylenically unsaturated monomers | Heinz Friedrich Sutoris, Andreas Koch, Andreas Deckers, Eckard Schauss, Roger Klimesch +2 more | 1999-02-16 |
| 5821380 | 2-cyanoacrylic esters | Martin Holderbaum, Hubert Trauth, Guido Voit, Karin Sperling, Alfred Krause | 1998-10-13 |
| 5821292 | 3-arylacrylic acid ester light-protection stabilizers for organic material | Martin Holderbaum, Wolfgang Goetze, Jurgen Krockenberger, Hubert Trauth | 1998-10-13 |
| 5807504 | Stabilizer mixture composed of chroman derivatives, organic phosphites or phosphonites and amines | Jurgen Krockenberger, Wolfgang Goetze, Hubert Trauth | 1998-09-15 |
| 5728888 | Preparation of hydroxylated benzophenones | Gunter Brill, Peter Bottcher | 1998-03-17 |
| 5726285 | Condensation and addition polymers having N,N'-bridged bistetramethylpiperidyloxy groups | Hubert Trauth | 1998-03-10 |
| 5714611 | Preparation of N,N'-bridged bistetramethylpiperidinyl compounds | — | 1998-02-03 |
| 5679855 | Preparation of benzophenone imines | Guido Voit, Martin Holderbaum, Tom Witzel | 1997-10-21 |