Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9255053 | Treatment of bisphenol-A residue streams | David P. Palmer, Steven D. Evitt, Chung-Ming Chi | 2016-02-09 |
| 8702863 | Method for producing phenol-BPA adduct crystals | — | 2014-04-22 |
| 8431084 | Crystallizer for producing phenol-BPA adduct crystals | — | 2013-04-30 |
| 8431749 | Recovery of phenol and acetone from bisphenol-A streams | David P. Palmer, Steven D. Evitt, Chung-Ming Chi | 2013-04-30 |
| 8039679 | Bisphenol-A plant yield enhancement | Steven D. Evitt, Chung-Ming Chi | 2011-10-18 |
| 7820866 | Process for the manufacture of polyphenols | Steven D. Evitt | 2010-10-26 |