Issued Patents All Time
Showing 26–32 of 32 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5262538 | Substituted 1-hydroxy-2,6-diaryl-4-acyloxypiperidines or 1-hydroxy-2,6-diaryl-4-acylaminopiperidines and stabilized compositions | Ramanathan Ravichandran, Donald J. Sabrsula | 1993-11-16 |
| 5235056 | Substituted 1-hydroxy-2,6-diaryl-4-piperidone ketals and polymer compositions stabilized therewith | Donald J. Sabrsula | 1993-08-10 |
| 5204474 | 2,6-diarylpiperidin-1-yl substituted 2-butene stabilizers | Joseph E. Babiarz | 1993-04-20 |
| 5180829 | Substituted 1-hydroxy-2,6-diaryl-4-acyloxypiperidines or 1-hydroxy-2,6-diaryl-4-acylaminopiperidines and stabilized compositions | Ramanathan Ravichandran, Donald J. Sabrsula | 1993-01-19 |
| 5147911 | Compositions stabilized with poly-1,3,2-oxazaphospholidines | Peter Hofmann, Paul A. Odorisio, Don Sabrsula | 1992-09-15 |
| 5075481 | Poly-1,3,2-oxazaphospholidine stabilizers | Peter Hofmann, Paul A. Odorisio, Don Sabrsula | 1991-12-24 |
| 4878968 | Oxidizing salts of cubyl amines | Rodney L. Willer, Nathan Klein | 1989-11-07 |