Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6033635 | Method and system for bisphenol a production using water | — | 2000-03-07 |
| 5959158 | Method and system for bisphenol a production using water | — | 1999-09-28 |
| 5874644 | Method and system for bisphenol a production using controlled turbulence | — | 1999-02-23 |
| 4861919 | Countercurrent multi-stage water crystallization of aromatic compounds | Lanny A. Robbins | 1989-08-29 |