Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5578557 | Food grade compressor oil | Rodney D. Dougan, Cline A. Tincher | 1996-11-26 |
| 5154840 | Environmentally friendly grease compositions | David A. Drake | 1992-10-13 |
| 5098556 | Treatment of off-specification white mineral oil made by two stage hydrogenation | Caridad Go, Martin P. Grosboll, Frank McKay | 1992-03-24 |
| 4306985 | Stabilization of hydrocracked oils with certain nitrogen containing aromatic components and phenolic components | — | 1981-12-22 |
| 4234434 | Stabilization of hydrocracked oils with certain nitrogen-containing aromatic components | — | 1980-11-18 |