US2967205A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of and apparatus for producing acetylene and ethylene
Assignee: Wulff Process Co
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Filing: 1956-09-24
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Granted: 1961-01-03
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Expires: 1976-09-24
Abstract
No abstract record available.
Inventors
- 👤 Clarence J Coberly
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 21:27
CPC Classifications
C; C07; C07C; C07C4/00; C07C4/02; C07C4/04; Y; Y10; Y10S; Y10S585/00; Y10S585/919; Y10S585/921; Y10S585/924; Y10S585/926
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
129 words
IN A REGENERATIVE FURNACE FOR THE PYROLYSIS OF HYDROCARBONS, THE COMBINATION OF: A FIRST REGENERATIVE MASS, A SECOND REGENERATIVE MASS AXIALLY ALIGNED WITH AND LONGITUDINALLY SPACED FROM SAID FIRST MASS TO PROVIDE A FIRST COMBUSTION SPACE THEREBETWEEN, A THIRD REGENERATIVE MASS AXIALLY ALIGNED WITH SAID FIRST AND SECOND MASSES AND LONGITUDINALLY SPACED FROM SAID SECOND MASS TO PROVIDE A SECOND COMBUSTION SAPCE THEREBETWEEN, A FIRST FUEL INJECTION MEANS EXTENDING INTO SAID FIRST COMBUSTION SPACE AND HAVIG A PLURALITY OF NOZZLES IN SAID SPACE ALL DIRECTED AXIALLY OF THE FURNACE AND ONLY TOWARDS SAID SECOND MASS, AND A SECOND FUEL INJECTION MEANS EXTENDING INTO SAID SECOND COMBUSTION SPACE AND HAVING A PLURALITY OF NOZZLES IN SAID SPACE AND ALL DIRECTED AXIALLY OF THE FURNACE AND ONLY TOWARDS SAID SECOND MASS.
Claim 2
Dependent Claim
129 words
IN A REGENERATIVE FURNACE FOR THE PYROLYSIS OF HYDROCARBONS, THE COMBINATION OF: A FIRST REGENERATIVE MASS, A SECOND REGENERATIVE MASS AXIALLY ALIGNED WITH AND LONGITUDINALLY SPACED FROM SAID FIRST MASS TO PROVIDE A FIRST COMBUSTION SPACE THEREBETWEEN, A THIRD REGENERATIVE MASS AXIALLY ALIGNED WITH SAID FIRST AND SECOND MASSES AND LONGITUDINALLY SPACED FROM SAID SECOND MASS TO PROVIDE A SECOND COMBUSTION SAPCE THEREBETWEEN, A FIRST FUEL INJECTION MEANS EXTENDING INTO SAID FIRST COMBUSTION SPACE AND HAVIG A PLURALITY OF NOZZLES IN SAID SPACE ALL DIRECTED AXIALLY OF THE FURNACE AND ONLY TOWARDS SAID SECOND MASS, AND A SECOND FUEL INJECTION MEANS EXTENDING INTO SAID SECOND COMBUSTION SPACE AND HAVING A PLURALITY OF NOZZLES IN SAID SPACE AND ALL DIRECTED AXIALLY OF THE FURNACE AND ONLY TOWARDS SAID SECOND MASS.
Claim 3
Independent Claim
132 words
A METHOD OF OPERATING A REGENERATIVE FURNACE HAVING TWO SPACED REGENERATIVE MASSES AND A SPACE THEREBETWEEN, INCLUDING THE STEPS OF: HEATING ONE OF SAID MASSES TO A TEMPERATURE ADAPTED TO CRACK A SUITABLE HYDROCARBON IN AN IN-GAS, CONVEYING SUCH AN IN-GAS THROUGH SAID ONE OF SAID MASSES, THROUGH SAID SPACE, AND THROUGH THE OTHER OF SAID MASSES SO AS TO CRACK A SUBSTANTIAL PORTION OF SAID IN-GAS IN SAID ONE OF SAID MASSES, CONVEYING A COOLING FLUID IN A PREDETERMINED CONFINED AND TORTUOUS PATH THROUGH SAID SPACE DURING THE PASSAGE OF THE CRACKED GAS THROUGH SAID SPACE, AND MAINTAINING THE TEMPERATURE OF SAID COOLING FLUID SUBSTANTIALLY BELOW THE MAXIMUM TEMPERATURE OF THE CRACKED GAS DURING THE PASSAGE OF SAID CRACKED GAS THROUGH SAID SPACE SO AS TO COOL SAID CRACKED GAS SUBSTANTIALLY.
Claim 4
Independent Claim
132 words
A METHOD OF OPERATING A REGENERATIVE FURNACE HAVING TWO SPACED REGENERATIVE MASSES AND A SPACE THEREBETWEEN, INCLUDING THE STEPS OF: HEATING ONE OF SAID MASSES TO A TEMPERATURE ADAPTED TO CRACK A SUITABLE HYDROCARBON IN AN IN-GAS, CONVEYING SUCH AN IN-GAS THROUGH SAID ONE OF SAID MASSES, THROUGH SAID SPACE, AND THROUGH THE OTHER OF SAID MASSES SO AS TO CRACK A SUBSTANTIAL PORTION OF SAID IN-GAS IN SAID ONE OF SAID MASSES, CONVEYING A COOLING FLUID IN A PREDETERMINED CONFINED AND TORTUOUS PATH THROUGH SAID SPACE DURING THE PASSAGE OF THE CRACKED GAS THROUGH SAID SPACE, AND MAINTAINING THE TEMPERATURE OF SAID COOLING FLUID SUBSTANTIALLY BELOW THE MAXIMUM TEMPERATURE OF THE CRACKED GAS DURING THE PASSAGE OF SAID CRACKED GAS THROUGH SAID SPACE SO AS TO COOL SAID CRACKED GAS SUBSTANTIALLY.
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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) | 1964-01-03 | 1964-07-04 | 1965-01-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-01-03 | 1968-07-04 | 1969-01-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-01-03 | 1972-07-04 | 1973-01-03 | $7700.00 | Window Closed / Lapsed |