Patent US3789024A successfully refreshed from Google Patents.
US3789024A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reforming catalyst
Assignee: Phillips Petroleum Co
•
Filing: 1971-10-18
•
Granted: 1974-01-29
•
Expires: 1991-10-18
Abstract
Abstract AN IMPROVED CATALYST COMPRISING A REFRACTORY SUPPORT AND PLATINUM PROMOTED WITH BOTH IRIDIUM AND GALLIUM, EXHIBITING INCREASED ACTIVITY AND SELECTIVE CHARACTERISTICS FOR THE DEHYDROCYCLIZATION AND REFORMING OF HYDROCARBONS IS PROVIDED. IN ONE EMBODIMENT, ALUMINA PROMOTER WITH PLATINUM, IRIDIUM, AMD GALLIUM, CONVERTED N-HEPTANE TO BENZENE AND TOLUENE WITH SUBSTANTIAL CONVERSION AT HIGH SELECTIVITY.
Inventors
- 👤 J Myers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 19:48
CPC Classifications
C; C10; C10G; C10G35/00; C10G35/04; C10G35/06; C10G35/085; C10G35/09; B; B01; B01J; B01J23/00; B01J23/38; B01J23/54; B01J23/56; B01J23/62
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-01-28 | 1977-07-30 | 1978-01-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-01-28 | 1981-07-30 | 1982-01-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-01-28 | 1985-07-30 | 1986-01-29 | $7700.00 | Window Closed / Lapsed |