Issued Patents All Time
Showing 26–31 of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4885347 | Polymer containing hindered amine light stabilizing groups and process of making the same | — | 1989-12-05 |
| 4874803 | Dianhydride coupled polymer stabilizers | Arthur L. Baron, Jerome Wicher | 1989-10-17 |
| 4868246 | Polymer bound UV stabilizers | Ronald E. MacLeay | 1989-09-19 |
| 4863999 | Multipurpose polymer bound stabilizers | Ronald E. MacLeay | 1989-09-05 |
| 4857596 | Polymer bound antioxidant stabilizers | Ronald E. MacLeay | 1989-08-15 |
| 4822883 | Peroxide free radical initiators containing hindered amine light stabilizer groups | — | 1989-04-18 |