Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6696604 | Addition of mineral acids or salts thereof to a TMA production process | Wayne P. Schammel, David A. Young | 2004-02-24 |
| 4791226 | Catalyst and process for purification of crude terephthalic acid | Imre Puskas | 1988-12-13 |
| 4721808 | Process for purification of crude p-hydroxymethylbenzoic acid | Lawrence D. Lillwitz | 1988-01-26 |
| 4476242 | Process for preparing palladium on carbon catalysts for purification of crude terephthalic acid | Imre Puskas | 1984-10-09 |
| 4447645 | Process for purification of p-hydroxymethylbenzoic acid | John A. Donohue, James O. Knobloch, Bruce Petty-Weeks | 1984-05-08 |
| 4431798 | Preparation of poly(p-methylenebenzoate) from p-hydroxymethylbenzoic acid | Edward E. Paschke | 1984-02-14 |
| 4220753 | Alkyl alkoxymethylbenzoates | Edward E. Paschke | 1980-09-02 |
| 4182847 | Monomers for poly(methylenebenzoate) polymers from toluic acid compounds | Ellis K. Fields, Edward E. Paschke | 1980-01-08 |