Patents per Year
Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 6362286 | Molecular weight reduction of olefin copolymers using low-sulfur oils | James M. Gardiner, Keith James Fenner, Gary Ver Strate | 2002-03-26 | $531,495,000 |
| 4499317 | Modified zeolite catalyst composition and process for alkylating toluene with methanol to form styrene | Huei-Cheng Liu | 1985-02-12 | $19,241,000 |
| 4487713 | Production of isocyanates from esters of aromatic carbamic acids (urethanes) | — | 1984-12-11 | $19,141,000 |
| 4483936 | Modified zeolite catalyst composition for alkylating toluene with methanol to form styrene | Huei-Cheng Liu | 1984-11-20 | $18,333,000 |
| 4321402 | Carbamate process | Ji-Yong Ryu, Krishna K. Rao, Robert Drogin | 1982-03-23 | $14,822,000 |
| 4255279 | Dual demetalling of oxo products with catalyst recycle | Paul A. Ellsworth, John Lyford, IV | 1981-03-10 | $7,721,000 |