Patent US2785212A successfully refreshed from Google Patents.
US2785212A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Regenerative furnace and production of unsaturated hydrocarbons therein
Assignee: Phillips Petroleum Co
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Filing: 1954-11-29
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Granted: 1957-03-12
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Expires: 1974-11-29
Abstract
No abstract record available.
Inventors
- 👤 John W Begley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:22
CPC Classifications
C; C07; C07C; C07C4/00; C07C4/02; C07C4/04; C10; C10G; C10G9/00; C10G9/26; Y; Y10; Y10S; Y10S585/00; Y10S585/949; Y10S585/955
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
73 words
IN A REGENERATIVE FURNACE HAVING A COMBUSTION CHAMBER IN ALIGNMENT WITH THE MAIN REFRACTORY MASSES DISPOSED THEREIN, THE IMPROVEMENT WHICH COMPRISES A FIRST AND A SECOND REFRACTORY MASS POSITIONED WITHIN SAID COMBUSTION CHAMBER, SAID MASSES BEING SPACED APART FROM ONE ANOTHER AND FROM SAID MAIN REFRACTORY MASSES; PASSAGEWAYS EXTENDING THROUGH SAID FIRST AND SECOND REFRACTORY MASSES SUBSTANTIALLY PARALLEL TO THE AXIS OF SAID FURNACE; AND MEANS FOR LATERALLLY INTRODUCING FUEL INTO SAID PASSAGEWAYS.
Claim 2
Dependent Claim
73 words
IN A REGENERATIVE FURNACE HAVING A COMBUSTION CHAMBER IN ALIGNMENT WITH THE MAIN REFRACTORY MASSES DISPOSED THEREIN, THE IMPROVEMENT WHICH COMPRISES A FIRST AND A SECOND REFRACTORY MASS POSITIONED WITHIN SAID COMBUSTION CHAMBER, SAID MASSES BEING SPACED APART FROM ONE ANOTHER AND FROM SAID MAIN REFRACTORY MASSES; PASSAGEWAYS EXTENDING THROUGH SAID FIRST AND SECOND REFRACTORY MASSES SUBSTANTIALLY PARALLEL TO THE AXIS OF SAID FURNACE; AND MEANS FOR LATERALLLY INTRODUCING FUEL INTO SAID PASSAGEWAYS.
Claim 3
Dependent Claim
151 words
A PROCESS FOR THE CONVERSION OF HYDROCARBONS WHICH COMPRISES PASSING HEATED AIR INTO A COMBUSTION ZONE; FLOWING SAID AIR THROUGH A PORTION OF SAID COMBUSTION ZONE AS A PLURALITY OF AIR STREAMS; INTRODUCING FUEL LATERALLY INTO SAID PLURALITY MIXTURES SO AS TO FORM A PLURALITY OF COMBUSTIBLE MIXTUES OF SUBSTANTIALLY UNIFORM COMPOSITION; BURNING SAID COMBUSTIBLE MIXTURES WITHIN SAID COMBUSTION ZONE; REDISTRIBUTING THE RESULTING COMBUSTION PRODUCTS WITHIN SAID COMBUSTION ZONE BY FLOWING SAME AS A PLURALITY OF GAS STREAMS THROUGH ANOTHER PORTION OF SAID ZONE; PASSING SAID COMBUSTION PRODUCTS FROM SAID COMBUSTION ZONE; INTO A REFRACTORY CHECKERWORK; FLOWING SAID COMBUSTION ZONE INTO A REFRACTORY CHECKERWORK; THROUGH SAID REFRACTORY CHECKERWORK SO AS TO HEAT SAID CHECKERWORK; TERMINATING THE SUPPLY OF AIR AND FUEL TO SAID COMBUSTION ZONE; PASSING MATERIAL TO BE CONVERTED THROUGH SAID REFRACTORY CHECKERWORK AND SAID COMBUSTION ZONE TO EFFECT THEDESIRED CON VERSION; AND WITHDRAWING CONVERTED MATERIAL FROM SAID COMBUSTION ZONE.
Claim 4
Dependent Claim
151 words
A PROCESS FOR THE CONVERSION OF HYDROCARBONS WHICH COMPRISES PASSING HEATED AIR INTO A COMBUSTION ZONE; FLOWING SAID AIR THROUGH A PORTION OF SAID COMBUSTION ZONE AS A PLURALITY OF AIR STREAMS; INTRODUCING FUEL LATERALLY INTO SAID PLURALITY MIXTURES SO AS TO FORM A PLURALITY OF COMBUSTIBLE MIXTUES OF SUBSTANTIALLY UNIFORM COMPOSITION; BURNING SAID COMBUSTIBLE MIXTURES WITHIN SAID COMBUSTION ZONE; REDISTRIBUTING THE RESULTING COMBUSTION PRODUCTS WITHIN SAID COMBUSTION ZONE BY FLOWING SAME AS A PLURALITY OF GAS STREAMS THROUGH ANOTHER PORTION OF SAID ZONE; PASSING SAID COMBUSTION PRODUCTS FROM SAID COMBUSTION ZONE; INTO A REFRACTORY CHECKERWORK; FLOWING SAID COMBUSTION ZONE INTO A REFRACTORY CHECKERWORK; THROUGH SAID REFRACTORY CHECKERWORK SO AS TO HEAT SAID CHECKERWORK; TERMINATING THE SUPPLY OF AIR AND FUEL TO SAID COMBUSTION ZONE; PASSING MATERIAL TO BE CONVERTED THROUGH SAID REFRACTORY CHECKERWORK AND SAID COMBUSTION ZONE TO EFFECT THEDESIRED CON VERSION; AND WITHDRAWING CONVERTED MATERIAL FROM SAID COMBUSTION ZONE.
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) | 1960-03-11 | 1960-09-10 | 1961-03-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-03-11 | 1964-09-10 | 1965-03-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-03-11 | 1968-09-10 | 1969-03-12 | $7700.00 | Window Closed / Lapsed |