Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6727300 | Polymeric articles containing hindered amine light stabilizers based on multi-functional carbonyl compounds | — | 2004-04-27 |
| 6696570 | Oligomeric hindered amine light stabilizers based on multi-functional carbonyl compounds and methods of making same | Ram. B. Gupta | 2004-02-24 |