Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5965679 | Polyphenylene oligomers and polymers | James P. Godschalx, Duane R. Romer, Ying H. So, Zenon Lysenko, Michael E. Mills +4 more | 1999-10-12 |
| H1393 | Diphenyl ether and benzophenone compositions | — | 1995-01-03 |
| 5352336 | Removal of low-boiling fractions from high temperature heat transfer systems | Walter F. Seifert, John B. Cuthbert | 1994-10-04 |
| 5288922 | Process of preparing diaryl ethers over a dealuminated zeolite catalyst | Juan M. Garces, William P. Dianis | 1994-02-22 |
| 5256258 | Removal of low-boiling fractions from high temperature heat transfer systems | Walter F. Seifert, John B. Cuthbert | 1993-10-26 |
| 5107031 | Proces to recover 4-phenoxybiphenyl | Jeffrey M. Marra, Guo-shuh J. Lee | 1992-04-21 |
| 4622160 | Heat-transfer fluid | Terry L. Wenger, John A. Beyrau | 1986-11-11 |
| 4451408 | Process of preparing sulfonium organosulfonates | Richard G. Pews | 1984-05-29 |
| 4451409 | Sulfonium organosulfonates | Richard G. Pews | 1984-05-29 |
| 4289639 | Method and composition for removing sulfide-containing scale from metal surfaces | — | 1981-09-15 |
| 4232125 | Aminoalkylation of aromatic polymers using aldehyde, diacylamine and strong acid catalyst | — | 1980-11-04 |