Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4623431 | Polymerization inhibitor for vinyl aromatic compounds | James R. Butler, Kevin Menard | 1986-11-18 |
| 4489214 | Production of ortho-suppressed dialkyl benzenes | James R. Butler, Cleve H. Forward, James M. Watson, Gary D. Branum | 1984-12-18 |
| 4468343 | Polymerization co-inhibitors for vinyl aromatic compounds | James R. Butler, James M. Watson, Karen A. Mikkelson | 1984-08-28 |
| 4466905 | Polymerization inhibition process for vinyl aromatic compounds | James R. Butler, James M. Watson, Karen A. Mikkelson | 1984-08-21 |
| 4379736 | Method and apparatus for inhibiting the formation of polymerized vinylaromatic compounds during distillative purification of vinylaromatic monomer | James M. Watson, Danny P. Wright | 1983-04-12 |