Patent US2556514A successfully refreshed from Google Patents.
US2556514A
Expired / Lapsed
US
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Method and apparatus for hydrocarbon conversion
Assignee: ExxonMobil Oil Corp
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Filing: 1949-02-10
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Granted: 1951-06-12
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Expires: 1969-02-10
Abstract
No abstract record available.
Inventors
- 👤 Eric V Bergstrom
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 17:14
CPC Classifications
C; C10; C10G; C10G11/00; C10G11/14; C10G11/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
115 words
THE METHOD FOR CONVERTING HIGH BOILING LIQUID HYDROCARBONS TO LOWER BOILING HYDROCARBONS COMPRISING: SUPPLYING HOT PARTICLE FROM CONTACT MATERIAL TO A MIXING ZONE TO REPLENISH A BED OF SAID CONTACT MATERIAL THEREIN MAINTAINED AS A BOILING BED BY UPWARD FLOW OF GAS RELATIVE TO THE PARTICLES IN SAID BED, SUPPLYING A HIGH BOILING FLUID HYDROCARBON CHARGE EXISTING AT LEAST PARTIALLY IN THE LIQUID PHASE TO SAID BED TO EFFECT INTIMATE MIXING OF THE HYDROCARBON CHARGE WITH THE CONTACT MATERIAL AND TRANSFORMATION OF SAID CHARGE TO HYDROCARBONS EXISTING IN THE GASEOUS PHASE, SAID HOT CONTACT MATERIAL BEING SUPPLIED TO SAID BED AT A TEMPERATURE SUFFICIENTLY HIGH TO SUPPLY AT LEAST MOST OF THE HEAT REQUIRED TO
Claim 2
Independent Claim
115 words
THE METHOD FOR CONVERTING HIGH BOILING LIQUID HYDROCARBONS TO LOWER BOILING HYDROCARBONS COMPRISING: SUPPLYING HOT PARTICLE FROM CONTACT MATERIAL TO A MIXING ZONE TO REPLENISH A BED OF SAID CONTACT MATERIAL THEREIN MAINTAINED AS A BOILING BED BY UPWARD FLOW OF GAS RELATIVE TO THE PARTICLES IN SAID BED, SUPPLYING A HIGH BOILING FLUID HYDROCARBON CHARGE EXISTING AT LEAST PARTIALLY IN THE LIQUID PHASE TO SAID BED TO EFFECT INTIMATE MIXING OF THE HYDROCARBON CHARGE WITH THE CONTACT MATERIAL AND TRANSFORMATION OF SAID CHARGE TO HYDROCARBONS EXISTING IN THE GASEOUS PHASE, SAID HOT CONTACT MATERIAL BEING SUPPLIED TO SAID BED AT A TEMPERATURE SUFFICIENTLY HIGH TO SUPPLY AT LEAST MOST OF THE HEAT REQUIRED TO
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) | 1954-06-11 | 1954-12-11 | 1955-06-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-06-11 | 1958-12-11 | 1959-06-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-06-11 | 1962-12-11 | 1963-06-12 | $7700.00 | Window Closed / Lapsed |