US3761427A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Olefin disproportionation catalyst and process for using same
Assignee: Phillips Petroleum Co
•
Filing: 1971-03-29
•
Granted: 1973-09-25
•
Expires: 1991-03-29
Abstract
Abstract AN OLEFI DISPROPORTIONATION CATALYST IS PROVIDED COMPRISING A MONOR AMOUNT OF TUNGSTEN OXIDE OR MOLYBEDENUM OXIDE, ABOUT 0.01 TO 1 WEIGHT PERCENT OF FLUORINE, THE REMAINDER OF THE CATALYST SUBSTANTIALLY BEING SILICA. THE PROCESS OF USING THIS CATALYST TO DISPROPORTIONATE UNSATURATD MATERIALS IS ALSO CLAIMED.
Inventors
- 👤 R Regier
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 20:49
CPC Classifications
C; C07; C07C; C07C6/00; C07C6/02; C07C6/04; B; B01; B01J; B01J23/00; B01J23/16; B01J23/24; B01J23/30; B01J37/00; B01J37/22; B01J37/26; 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) | 1976-09-24 | 1977-03-26 | 1977-09-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-09-24 | 1981-03-26 | 1981-09-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-09-24 | 1985-03-26 | 1985-09-25 | $7700.00 | Window Closed / Lapsed |