Patent US2617709A successfully refreshed from Google Patents.
US2617709A
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Catalytic process
Assignee: Gulf Oil Corp
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Filing: 1950-11-10
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Granted: 1952-11-11
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Expires: 1970-11-10
Abstract
No abstract record available.
Inventors
- 👤 Paul W Cornell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 22:48
CPC Classifications
C; C10; C10G; C10G11/00; C10G11/14; C10G11/18; Y; Y10; Y10S; Y10S423/00; Y10S423/06; Y10S423/09; Y10S423/13; Y10S585/00; Y10S585/8995; Y10S585/901
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
173 words
THE PROCESS OF CARRYING OUT A CONTINUOUS CATALYTIC REACTION WHICH RESULTS IN DEPOSITION OF COKE ON THE CATALYST AND NECESSITATES REGENERATION OF THE CATALYST TO MAINTAIN CATALYST ACTIVITY, WHICH PROCESS COMPRISES ESTABLISHING A BODY OF SUSPENDED TURBULENT CATALYST PARTICLES IN A HIGH PRESSURE SYSTEM, CONTINUOUSLY ADDING CATALYST PARTICLES TO SAID CATALYST BODY IN RELATIVELY SMALL AMOUNTS AS COMPARED WITH THE AMOUNT OF CATALYST IN SAID CATALYST BODY, SAID AMOUNT CORRESPONDING TO ONE PART OF CATALYST TO BETWEEN ABOUT 2 TO 16 PARTS BY WEIGHT OF REACTANT, PASSING VAPORS TO BE CATALYTICALLY CONVERTED THROUGH THE BODY OF SUSPENDED TURBULENT CATALYST PARTICLES, CONTINUOUSLY REMOVING A MIXTURE OF SUSPENDED CATALYST AND REACTION PRODUCT IN VAPOR FORM FROM THE CATALYST BODY AT A RATE WHEREBY THE CATALYST IS RETAINED IN THE REACTOR A PREFERENTIALLY LONG TIME AS COMPARED WITH THE VAPORS, THE AMOUNT OF CATALYST THUS REMOVED WITH THE REACTION PRODUCT APPROXIMATELY EQUALING THAT WHICH IS CONTINUOUSLY ADDED TO THE CATALYST BODY, COOLING THIS MIXTURE OF SUSPENDED CATALYST AND REACTION PRODUCT AT THE ELEVATED PRESSURE TO FORM
Claim 2
Dependent Claim
173 words
THE PROCESS OF CARRYING OUT A CONTINUOUS CATALYTIC REACTION WHICH RESULTS IN DEPOSITION OF COKE ON THE CATALYST AND NECESSITATES REGENERATION OF THE CATALYST TO MAINTAIN CATALYST ACTIVITY, WHICH PROCESS COMPRISES ESTABLISHING A BODY OF SUSPENDED TURBULENT CATALYST PARTICLES IN A HIGH PRESSURE SYSTEM, CONTINUOUSLY ADDING CATALYST PARTICLES TO SAID CATALYST BODY IN RELATIVELY SMALL AMOUNTS AS COMPARED WITH THE AMOUNT OF CATALYST IN SAID CATALYST BODY, SAID AMOUNT CORRESPONDING TO ONE PART OF CATALYST TO BETWEEN ABOUT 2 TO 16 PARTS BY WEIGHT OF REACTANT, PASSING VAPORS TO BE CATALYTICALLY CONVERTED THROUGH THE BODY OF SUSPENDED TURBULENT CATALYST PARTICLES, CONTINUOUSLY REMOVING A MIXTURE OF SUSPENDED CATALYST AND REACTION PRODUCT IN VAPOR FORM FROM THE CATALYST BODY AT A RATE WHEREBY THE CATALYST IS RETAINED IN THE REACTOR A PREFERENTIALLY LONG TIME AS COMPARED WITH THE VAPORS, THE AMOUNT OF CATALYST THUS REMOVED WITH THE REACTION PRODUCT APPROXIMATELY EQUALING THAT WHICH IS CONTINUOUSLY ADDED TO THE CATALYST BODY, COOLING THIS MIXTURE OF SUSPENDED CATALYST AND REACTION PRODUCT AT THE ELEVATED PRESSURE TO FORM
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) | 1955-11-11 | 1956-05-12 | 1956-11-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-11-11 | 1960-05-12 | 1960-11-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-11-11 | 1964-05-12 | 1964-11-11 | $7700.00 | Window Closed / Lapsed |