Issued Patents All Time
Showing 26–34 of 34 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5349102 | Process for the preparation of phenyl carbonates or polycarbonates | Hendrik E. Tuinstra | 1994-09-20 |
| 5276134 | Process for the preparation of phenyl carbonates or polycarbonates | Hendrik E. Tuinstra | 1994-01-04 |
| 5183919 | Process for the preparation of diaryl carbonates | — | 1993-02-02 |
| 5136077 | Process for the preparation of diaryl carbonates | — | 1992-08-04 |
| 5099057 | Process for the preparation of ar-amino-para-arenediols | Zenon Lysenko | 1992-03-24 |
| 4982001 | Process for the preparation of amino-1,3-benzenediol | Zenon Lysenko | 1991-01-01 |
| 4973728 | Preparation of aromatic carbonates | Hendrik E. Tuinstra, Edmund P. Woo | 1990-11-27 |
| 4912246 | 1,3-bis(alkylcarbonato)-nitrobenzenes | Zenon Lysenko | 1990-03-27 |
| 4746754 | Preparation of carbonate diisocyanates and related compounds | Eric W. Otterbacher, Abel Mendoza | 1988-05-24 |