Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5319127 | Phenolic-hydrazide compounds and polyolefin compositions stabilized therewith | Richard H. S. Wang, Ping Shang | 1994-06-07 |
| 5302744 | Phenolic-hydrazide compounds and polyolefin compositions stabilized therewith | Richard H. S. Wang, Ping Shang | 1994-04-12 |