Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5807962 | Aromatic sulfonated diester monomer, process to synthesize, polymer derived therefrom and method to prepare said polymer | Ray E. Drumright, Michael J. Mullins, William B. Marshall | 1998-09-15 |
| 5674968 | Aromatic sulfonated diester monomer, process to synthesize, polymer derived therefrom and method to prepare said polymer | Ray E. Drumright, Michael J. Mullins, William B. Marshall | 1997-10-07 |