Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5658464 | Method of inhibiting sulfate scale in aqueous systems using poly(amino acids) | William M. Hann, Susan Tabb Robertson, Graham Swift | 1997-08-19 |
| 5612447 | Production of polysuccinimide by thermal polymerization of maleamic acid | Michael B. Freeman, Ethan S. Simon, Graham Swift | 1997-03-18 |