Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5186686 | Link and bearing for rotary coupling | Frank E. Staples, Donald Russell | 1993-02-16 |
| 4783327 | Sulfur dioxide removal from gas streams using hydroxyalkyl substituted piperazinones | Duane S. Treybig, Mark B. Jones, John M. Motes | 1988-11-08 |
| 4725373 | Novel compositions prepared from alkyl substituted nitrogen-containing aromatic heterocyclic compounds and dicarboxylic acid monoanhydrides | Duane S. Treybig | 1988-02-16 |
| 4714736 | Stable polyamide solutions | Roger L. Juhl, Sotiros C. Polemenakos | 1987-12-22 |
| 4528391 | Pyrazino pyrazine compounds as catalysts for preparing urethanes | Duane S. Treybig | 1985-07-09 |