Issued Patents All Time
Showing 26–50 of 76 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5574166 | Crystalline form of 2-(2-hydroxy-3-.alpha.-cumyl-5-tert-octylphenyl)-2H-benzotriazole | Roland A. E. Winter, Ramanathan Ravichandran, Mark S. Holt, Volker H. von Ahn, Joseph E. Babiarz | 1996-11-12 |
| 5563242 | Electro coat/base coat/clear coat finishes stabilized with soluble and thermally stable benzotriazole UV absorbers | Roland A. E. Winter, Ramanathan Ravichandran, Mark S. Holt, Volker H. von Ahn, Joseph E. Babiarz | 1996-10-08 |
| 5554760 | 2-(2-hydroxy-3-.alpha.-cumyl-5-nonylor 5-dodecylphenyl)-2H-benzotriazole | Roland A. E. Winter, Ramanathan Ravichandran, Mark S. Holt, Volker H. von Ahn, Joseph E. Babiarz | 1996-09-10 |
| 5538840 | Photographic recording material containing a UV absorber | Vien Van Toan, Gerhard Rytz, Norbert Wurms, Pascal Hayoz | 1996-07-23 |
| 5534559 | Daylight curing compositions containing bisacylphosphine oxide photoinitiators | Manfred Kohler, Ljubomir Misev | 1996-07-09 |
| 5509957 | Ink compositions | Vien Van Toan, Hugh Stephen Laver | 1996-04-23 |
| 5488108 | Triazine compounds as UV absorbers for photographic material | Kurt Burdeska, Mario Slongo | 1996-01-30 |
| 5472992 | Photopolymerizable compositions containing an alkylbisacylphosphine oxide | Manfred Kohler, Ljubomir Misev | 1995-12-05 |
| 5411847 | Color-photographic recording material | Hugh Stephen Laver | 1995-05-02 |
| 5410048 | S-triazine UV absorbers | Vien Van Toan, Mario Slongo | 1995-04-25 |
| 5399770 | Alkylbisacylphosphine oxides | Manfred Kohler, Ljubomir Misev | 1995-03-21 |
| 5399782 | Benzoyl-substituted phosphabicycloalkanes and phosphabicycloalkanesulfides as photoinitiators | Ljubomir Misev, Gebhard Hug | 1995-03-21 |
| 5364749 | Photographic material containing UV absorber | Kurt Burdeska, Mario Slongo | 1994-11-15 |
| 5300414 | Photographic material containing UV absorber | Vien Van Toan, Mario Slongo | 1994-04-05 |
| 5298380 | Photographic material which contains a UV absober | — | 1994-03-29 |
| 5290952 | Phenylthiophenyl ketones | Kurt Burdeska | 1994-03-01 |
| 5274170 | Substituted benzophenone stabilizers | David H. Steinberg, Henri Dubas | 1993-12-28 |
| 5261953 | Inks | Eric Vieira, Hugh Stephen Laver, Vien Van Toan | 1993-11-16 |
| 5240975 | Liquid substituted 2H-benzotriazole mixtures, stabilized compositions | Roland A. E. Winter, Robert Detlefsen, Werner Stegmann, Reto Luisoli | 1993-08-31 |
| 5202458 | Stabilizers for color photographic recording materials | — | 1993-04-13 |
| 5169950 | Processes for preparing phenolic benzothiazole derivatives | Adalbert Braig, Hans-Rudolf Meier, Robert C. Wasson, Emyr Phillips | 1992-12-08 |
| 5149828 | Stabilizers for color photography recording materials | Jean Rody | 1992-09-22 |
| 5145766 | Process for stabilizing magenta couplers and the corresponding image dyes in photographic materials | David H. Steinberg, Henri Dubas | 1992-09-08 |
| 5097039 | Phenolic benzothiazole derivatives and their use as corrosion inhibitors | Adalbert Braig, Hans-Rudolf Meier, Robert C. Wasson, Emyr Phillips | 1992-03-17 |
| 5095062 | Stabilized compositions containing liquid substituted 2H-benzotriazole mixtures | Roland A. E. Winter, Robert E. Detiefsen, Werner Stegmann, Reto Luisoli | 1992-03-10 |