Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10047231 | Tris(hydroxyphenyl) triazines | Thomas Vogel, Adalbert Braig | 2018-08-14 |
| 7087753 | Naphthyltriazines as stabilizers for organic material | Georges Metzger, Thomas Schäfer, Stéphane Biry, Christophe Bulliard, Dieter Reinehr +1 more | 2006-08-08 |
| 6653484 | Polyoxyalkylene substituted and bridged benzotriazole derivatives | Andreas Valet, Pascal Hayoz | 2003-11-25 |
| 6495622 | Dimeric light stabilizers for polyolefines and polyolefine copolymers | David G. Leppard, Roland A. E. Winter, Michela Bonora | 2002-12-17 |
| 6472550 | Process for the preparation of low chloride stabilizers | Ronald Salathe | 2002-10-29 |
| 6369267 | Polyoxyalkylene substituted and bridged triazine, benzotriazole and benzophenone derivatives as UV absorbers | Andreas Valet, Pascal Hayoz | 2002-04-09 |
| 6284821 | Hydroxyphenyltriazines | Dietmar Huglin, Helmut Luther, Christophe Bulliard, Gerhard Rytz | 2001-09-04 |
| 6184375 | Hydroxyphenyl triazines | Dietmar Huglin, Helmut Luther, Christophe Bulliard, Gerhard Rytz | 2001-02-06 |
| 6013704 | Hydroxyphenyltriazines | Pascal Hayoz, Andreas Valet | 2000-01-11 |
| 5869588 | Polymeric compounds derived from 2-hydroxy-phenyl-s-triazines substituted with ethylenically unsaturated moieties | David G. Leppard, Gerhard Rytz, Norbert Wurms, Pascal Hayoz | 1999-02-09 |
| 5686233 | Bisresorcinyltriazines | Andreas Valet, Jean-Luc Birbaum, Walter Knupp | 1997-11-11 |
| 5672704 | 2-Hydroxyphenyl-s-Triazines substituted with ethylenically unsaturated moieties | David G. Leppard, Gerhard Rytz, Norbert Wurms, Pascal Hayoz | 1997-09-30 |
| 5637706 | Compositions stabilized with red-shifted tris-aryl-s-triazines | Tyler A. Stevenson, Ramanathan Ravichandran, Mark S. Holt, Thuy N. Phan, Jean-Luc Birbaum | 1997-06-10 |
| 5556973 | Red-shifted tris-aryl-s-triazines and compositions stabilized therewith | Tyler A. Stevenson, Ramanathan Ravichandran, Mark S. Holt, Thuy N. Phan, Jean-Luc Birbaum | 1996-09-17 |
| 5543518 | Red-shifted tris-aryl-s-triazines and compositions stabilized therewith | Tyler A. Stevenson, Ramanathan Ravichandran, Mark S. Holt, Thuy N. Phan, Jean-Luc Birbaum | 1996-08-06 |
| 5509957 | Ink compositions | Hugh Stephen Laver, David G. Leppard | 1996-04-23 |
| 5489503 | UV absorbers | — | 1996-02-06 |
| 5410048 | S-triazine UV absorbers | David G. Leppard, Mario Slongo | 1995-04-25 |
| 5300414 | Photographic material containing UV absorber | David G. Leppard, Mario Slongo | 1994-04-05 |
| 5261953 | Inks | Eric Vieira, David G. Leppard, Hugh Stephen Laver | 1993-11-16 |
| 5089050 | Inks containing a water soluble compound as a stabilizer particularly for ink jet printing | Eric Vieira, David G. Leppard, Hugh Stephen Laver | 1992-02-18 |