US3655805A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dehydrogenation process
Assignee: Texas Petrochemicals Corp
•
Filing: 1968-11-29
•
Granted: 1972-04-11
•
Expires: 1988-11-29
Abstract
Abstract OXIDATIVE DEHYDROGENATION OF ORGANIC COMPOUNDS IN PRESENCE OF COMPOSITION COMPRISING CRYSTALLINE COMPOSITION OF IRON, GROUP III-B METALS AND OXYGEN, PREFERABLY FERRITES.
Inventors
- 👤 Louis J Croce
- 👤 Laimonis Bajars
- 👤 Maigonis Gabliks
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 12:27
CPC Classifications
C; C07; C07C; C07C5/00; C07C5/42; C07C5/48; B; B01; B01J; B01J23/00; B01J23/70; B01J23/76; B01J23/83; B01J27/00; B01J27/14; B01J27/185; B01J27/1853; Y; Y10; Y10S; Y10S585/00; Y10S585/8995; Y10S585/906
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) | 1975-04-11 | 1975-10-11 | 1976-04-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-04-11 | 1979-10-11 | 1980-04-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-04-11 | 1983-10-11 | 1984-04-11 | $7700.00 | Window Closed / Lapsed |