Patent US2706704A successfully refreshed from Google Patents.
US2706704A
Expired / Lapsed
US
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Fluidized solids reactor and process in the conversion of hydrocarbons
Assignee: ExxonMobil Technology and Engineering Co
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Filing: 1950-10-14
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Granted: 1955-04-19
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Expires: 1970-10-14
Abstract
No abstract record available.
Inventors
- 👤 Jr Walter Squires
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 23:05
CPC Classifications
B; B01; B01J; B01J8/00; B01J8/005; B01J8/0055; B01J8/008; B01J8/18; B01J8/24
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
99 words
IN THE PROCESS OF OPERATING A REACTOR FOR CONDUCTING HYDROCARBON CONVERSION REACTIONS UTILIZING A FLUIDIZED SOLIDS CATALYST WHEREIN SAID REACTOR COMPRISES A REACTION ZONE, A STAGNANT ZONE LOCATED ABOVE SAID REACTION ZONE, A CYCLONE SEPARATOR AT LEAST PARTIALLY IN SAID STAGNANT ZONE AND EXTENDING INTO SAID REACTION ZONE, AND AN IMPERFORATE BAFFLE FORMING, IN CONJUNCTION WITH SAID SEPARATOR, A RESTRICTED FLUID PASSAGE BETWEEN SAID STAGNANT ZONE AND SAID REACTION ZONE, THE IMPROVEMENT COMPRISING INTORDUCING FLUID CONSTITUENTS AND SOLID PARTICLES INTO THE LOWER PORTION OF SAID REACTION ZONE, MAINTAINING AN UPWARD FLOW OF FLUID CONSTITUENTS IN SAID REACTION ZONE TO
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-04-18 | 1958-10-18 | 1959-04-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-04-18 | 1962-10-18 | 1963-04-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-04-18 | 1966-10-18 | 1967-04-19 | $7700.00 | Window Closed / Lapsed |