Patents per Year
Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 5523502 | Flexible light olefins production | — | 1996-06-04 | $2,650,000 |
| 5382707 | Integrated MTBE process | Johannes C. Norenburg | 1995-01-17 | $1,591,000 |
| 5160623 | Apparatus and process for fluid-fluid contact | — | 1992-11-03 | $2,142,000 |
| 5076930 | Apparatus and process for liquid-liquid contact | — | 1991-12-31 | $2,464,000 |
| 4309254 | Alcohol recovery process | Rodney A. Dahlstrom | 1982-01-05 | $894,000 |
| 4191845 | Process for converting unsaturated C.sub.4 hydrocarbons into normal butane | Frederick B. Seufert | 1980-03-04 | $1,002,000 |