Patent US2983771A successfully refreshed from Google Patents.
US2983771A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Conversion of hydrocarbons
Assignee: Phillips Petroleum Co
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Filing: 1957-12-02
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Granted: 1961-05-09
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Expires: 1977-12-02
Abstract
No abstract record available.
Inventors
- 👤 John W Begley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 06:50
CPC Classifications
C; C07; C07C; C07C4/00; C07C4/02; C07C4/04; C07C5/00; C07C5/32; C07C5/327; C10; C10G; C10G9/00; C10G9/26
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
149 words
A REGENERATIVE FURNACE WHICH COMPRISES, IN COMBINATION AN ELONGATED, CLOSED SHELL, A FIRST REFRACTORY MASS DISPOSED IN ONE END PORTION OF SAID SHELL, A SECOND REFRACTORY MASS DISPOSED IN THE OTHER END PORTION OF SAID SHELL, A THIRD REFRACTORY MASS DISPOSED IN AN INTERMEDIATE PORTION OF SAID SHELL, EACH OF SAID REFRACTORY MASSES HAVING PASSAGEWAYS THERETHROUGH SUBSTANTIALLY PARALLEL TO THE LONGITUDINAL AXIS OF SAID SHELL, A FOURTH REFRACTORY MASS POSITIONED BETWEEN AND SPACED APART FROM SAID FIRST AND THIRD REFRACTORY MASSES, A FIFTH REFRACTORY MASS POSITIONED BETWEEN AND SPACED APART FROM SAID SECOND AND THIRD REFRACTORY MASSES, EACH OF SAID FOURTH AND FIFTH REFRACTORY MASSES HAVING A PLURALITY OF PASSAGEWAYS THERETHROUGH SUBSTANTIALLY PARALLEL OF THE LONGITUDINAL AXIS OF SAID SHELL, AND MEANS FOR INTRODUCING AIR AND MATERIAL TO BE CONVERTED INTO THE ENDS OF SID FIRST AND SECOND REFRACTORY MASSES REMOTE FROM SAID FOURTH AND FIFTH REFRACTORY MASSES, RESPECTIVELY.
Claim 2
Dependent Claim
149 words
A REGENERATIVE FURNACE WHICH COMPRISES, IN COMBINATION AN ELONGATED, CLOSED SHELL, A FIRST REFRACTORY MASS DISPOSED IN ONE END PORTION OF SAID SHELL, A SECOND REFRACTORY MASS DISPOSED IN THE OTHER END PORTION OF SAID SHELL, A THIRD REFRACTORY MASS DISPOSED IN AN INTERMEDIATE PORTION OF SAID SHELL, EACH OF SAID REFRACTORY MASSES HAVING PASSAGEWAYS THERETHROUGH SUBSTANTIALLY PARALLEL TO THE LONGITUDINAL AXIS OF SAID SHELL, A FOURTH REFRACTORY MASS POSITIONED BETWEEN AND SPACED APART FROM SAID FIRST AND THIRD REFRACTORY MASSES, A FIFTH REFRACTORY MASS POSITIONED BETWEEN AND SPACED APART FROM SAID SECOND AND THIRD REFRACTORY MASSES, EACH OF SAID FOURTH AND FIFTH REFRACTORY MASSES HAVING A PLURALITY OF PASSAGEWAYS THERETHROUGH SUBSTANTIALLY PARALLEL OF THE LONGITUDINAL AXIS OF SAID SHELL, AND MEANS FOR INTRODUCING AIR AND MATERIAL TO BE CONVERTED INTO THE ENDS OF SID FIRST AND SECOND REFRACTORY MASSES REMOTE FROM SAID FOURTH AND FIFTH REFRACTORY MASSES, RESPECTIVELY.
Claim 3
Dependent Claim
94 words
A PROCESS FOR CONVERTING HYDROCARBONS WHICH COMPRISES PASSING AIR THROUGH A FIRST REFRACTORY CHECKERWORK INTO A FIRST COMBUSTION ZONE, INTRODUCING FUEL GAS INTO SAID FIRST COMBUSTION ZONE, THEREBY FORMING A COMBUSTIBLE MIXTURE, BURNING SAID COMBUSTIBLE MIXTURE, PASSING THE RESULTING COMBUSTION PRODUCTS INTO AND THROUGH A SECOND AND A THIRD REFRACTORY CHECKWORK IN ORDER TO HEAT SAME TO A DESIRED TEMPERATURE, TERMINATING THE SUPPLY OF AIR AND FUEL GAS, INTRODUCING HYDROCARBON FEED INTO SAID THIRD REFRACTORY CHECKERWORK, PASSING SAID HYDROCARBON FEED THROUGH SAID THIRD AND SECOND REFRACTORY CHECKERWORKS, THEREBY CRACKING SAID FEED, INTRODUCING STEAM INTO
Claim 4
Dependent Claim
94 words
A PROCESS FOR CONVERTING HYDROCARBONS WHICH COMPRISES PASSING AIR THROUGH A FIRST REFRACTORY CHECKERWORK INTO A FIRST COMBUSTION ZONE, INTRODUCING FUEL GAS INTO SAID FIRST COMBUSTION ZONE, THEREBY FORMING A COMBUSTIBLE MIXTURE, BURNING SAID COMBUSTIBLE MIXTURE, PASSING THE RESULTING COMBUSTION PRODUCTS INTO AND THROUGH A SECOND AND A THIRD REFRACTORY CHECKWORK IN ORDER TO HEAT SAME TO A DESIRED TEMPERATURE, TERMINATING THE SUPPLY OF AIR AND FUEL GAS, INTRODUCING HYDROCARBON FEED INTO SAID THIRD REFRACTORY CHECKERWORK, PASSING SAID HYDROCARBON FEED THROUGH SAID THIRD AND SECOND REFRACTORY CHECKERWORKS, THEREBY CRACKING SAID FEED, INTRODUCING STEAM INTO
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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) | 1964-05-08 | 1964-11-07 | 1965-05-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-08 | 1968-11-07 | 1969-05-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-08 | 1972-11-07 | 1973-05-09 | $7700.00 | Window Closed / Lapsed |