Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 5648580 | Supported lewis acid catalysts for hydrocarbon conversion reactions | Frank J. Chen, Christophe Le Deore, Roger Spitz | 1997-07-15 | $175,713,000 |
| 5561095 | Supported lewis acid catalysts for hydrocarbon conversion reactions | Frank J. Chen, Christophe Le Deore, Roger Spitz | 1996-10-01 | $161,804,000 |