US2511652A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for the catalytic conversion of hydrocarbons
Assignee: Sinclair Refining Co
•
Filing: 1947-06-03
•
Granted: 1950-06-13
•
Expires: 1967-06-03
Abstract
No abstract record available.
Inventors
- 👤 Edwin W Shand
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 20:13
CPC Classifications
B; B01; B01J; B01J8/00; B01J8/18; B01J8/24; B01J8/26
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
76 words
APPARATUS FOR USE IN THE CONVERSION OF HYDROCARBONS IN THE PRESENCE OF A CATALYST AND FOR REGENERATING THE CATALYST COMPRISING A VERTICALLY ELONGATED CONVERSION CHAMBER ADAPTED TO BE FILLED WITH A GRANULAR CATALYST, AN OUTER CHAMBER SURROUNDING THE FIRST SAID CHAMBER, THE INNER CHAMBER OPENING AT ITS UPPER END INTO THE OUTER CHAMBER, A MECHANICAL CONVEYOR CONNECTED AT ITS OUTLET END WITH THE LOWER END OF THE INNER CHAMBER AND ADAPTED FORCEFULLY TO FEED CATALYST THERETO,
Claim 2
Dependent Claim
76 words
APPARATUS FOR USE IN THE CONVERSION OF HYDROCARBONS IN THE PRESENCE OF A CATALYST AND FOR REGENERATING THE CATALYST COMPRISING A VERTICALLY ELONGATED CONVERSION CHAMBER ADAPTED TO BE FILLED WITH A GRANULAR CATALYST, AN OUTER CHAMBER SURROUNDING THE FIRST SAID CHAMBER, THE INNER CHAMBER OPENING AT ITS UPPER END INTO THE OUTER CHAMBER, A MECHANICAL CONVEYOR CONNECTED AT ITS OUTLET END WITH THE LOWER END OF THE INNER CHAMBER AND ADAPTED FORCEFULLY TO FEED CATALYST THERETO,
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-06-12 | 1953-12-12 | 1954-06-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-06-12 | 1957-12-12 | 1958-06-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-06-12 | 1961-12-12 | 1962-06-13 | $7700.00 | Window Closed / Lapsed |