Issued Patents 1994
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5364749 | Photographic material containing UV absorber | David G. Leppard, Mario Slongo | 1994-11-15 |
| 5298030 | Process for the photochemical and thermal stabilization of undyed and dyed or printed polyester fiber materials | Gerhard Reinert, Dieter Reinehr | 1994-03-29 |
| 5290952 | Phenylthiophenyl ketones | David G. Leppard | 1994-03-01 |
| 5288778 | Stabilized polymers having hetero atoms in the main chain | Andre Schmitter, Mario Slongo, Jean-Luc Birbaum | 1994-02-22 |