Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4876300 | Polyolefin compositions stabilized with long chain N,N-dialkylhydroxylamines | Ramanathan Ravichandran, Ambelal R. Patel | 1989-10-24 |
| 4861813 | 5-Aralkyl substituted 2h-benzotriazoles in stabilized compositions | Roland A. E. Winter | 1989-08-29 |
| 4847367 | 4-higher alkyl-2-nitro-2'-hydroxy-3',5'-di-higher alkyl (or cumyl)-azobenzenes | Roland A. E. Winter | 1989-07-11 |