US3442973A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Isomerization process utilizing a gold-palladium alloy in the catalyst
Assignee: ExxonMobil Technology and Engineering Co
•
Filing: 1966-11-14
•
Granted: 1969-05-06
•
Expires: 1986-11-14
Abstract
No abstract record available.
Inventors
- 👤 John H Sinfelt
- 👤 Allan E Barnett
- 👤 George W Dembinski
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 22:59
CPC Classifications
B; B01; B01J; B01J23/00; B01J23/38; B01J23/48; B01J23/52; C; C07; C07C; C07C5/00; C07C5/22; C07C5/27; C07C5/2767; C07C5/277; C07C5/2791
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US3114695A
Cited
US3182097A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-05-05 | 1972-11-04 | 1973-05-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-05-05 | 1976-11-04 | 1977-05-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-05-05 | 1980-11-04 | 1981-05-06 | $7700.00 | Window Closed / Lapsed |