Patent US751946A successfully refreshed from Google Patents.
Patent US2734809A successfully refreshed from Google Patents.
US2734809A
Expired / Lapsed
US
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Method of making a fuel gas interchangeable with natural gas
Assignee: —
•
Filing: —
•
Granted: 1956-02-14
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Expires: 1973-02-14
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 15:38
CPC Classifications
C; C10; C10G; C10G11/00; C10G11/20; C10G11/22
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
83 words
A METHOD FOR PREPARING A GAS INTERCHANGEABLE WITH NATURAL GAS WHICH COMPRISES PROVIDING IN VAPOR FORM A LIGHT PARAFFINIC PETROLEUM FRACTION HAVING A FINAL BOILING POINT NOT IN EXCESS OF 500* F., PASSING SAID VAPOR THROUGH A REACTOR MAINTAINED AT A TEMPERATURE OF 1300 TO 1550* F. AND UNDER A PRESSURE OF MORE THAN ONE ATMOSPHERE, THE RESIDENCE TIME IN SAID REACTOR RANGING FROM TWO TO TEN SECONDS, TO THERMALLY CRACK (WITHOUT CATALYST) SAID PETROLEUM WITH THE FORMATION OF A GAS CONTAINING PARAFFINS,
Claim 2
Independent Claim
83 words
A METHOD FOR PREPARING A GAS INTERCHANGEABLE WITH NATURAL GAS WHICH COMPRISES PROVIDING IN VAPOR FORM A LIGHT PARAFFINIC PETROLEUM FRACTION HAVING A FINAL BOILING POINT NOT IN EXCESS OF 500* F., PASSING SAID VAPOR THROUGH A REACTOR MAINTAINED AT A TEMPERATURE OF 1300 TO 1550* F. AND UNDER A PRESSURE OF MORE THAN ONE ATMOSPHERE, THE RESIDENCE TIME IN SAID REACTOR RANGING FROM TWO TO TEN SECONDS, TO THERMALLY CRACK (WITHOUT CATALYST) SAID PETROLEUM WITH THE FORMATION OF A GAS CONTAINING PARAFFINS,
References Cited (Backward Citations)
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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) | 1959-02-13 | 1959-08-15 | 1960-02-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-02-13 | 1963-08-15 | 1964-02-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-02-13 | 1967-08-15 | 1968-02-14 | $7700.00 | Window Closed / Lapsed |