US3424813A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Preparation of a beta-olefin from a straight chain terminal olefin with metallic molybdenum catalyst
Assignee: Ethyl Corp
•
Filing: 1965-10-19
•
Granted: 1969-01-28
•
Expires: 1985-10-19
Abstract
No abstract record available.
Inventors
- 👤 Walter E Breckoff
- 👤 John M Mceuen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 07:03
CPC Classifications
C; C07; C07C; C07C5/00; C07C5/22; C07C5/23; C07C5/25; C07C5/2506; C07C5/2556
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2963449A
Cited
US2608534A
Cited
US2690433A
Cited
US2739133A
Cited
US2982741A
Cited
US3117097A
Cited
US3052739A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-01-28 | 1972-07-29 | 1973-01-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-01-28 | 1976-07-29 | 1977-01-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-01-28 | 1980-07-29 | 1981-01-28 | $7700.00 | Window Closed / Lapsed |