US3074881A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Separation of hydrocarbon mixtures
Assignee: ExxonMobil Technology and Engineering Co
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Filing: 1960-06-16
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Granted: 1963-01-22
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Expires: 1980-06-16
Abstract
No abstract record available.
Inventors
- 👤 Jr William C Jones
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 17:21
CPC Classifications
B; B01; B01J; B01J20/00; B01J20/281; B01J20/292; C; C10; C10G; C10G35/00; C10G35/24; B01J2220/00; B01J2220/50; B01J2220/54
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
80 words
A METHOD FOR SEPARATING HYROCARBON MIXTURES WHICH COMPRISES CONTACTING A VAPOROUS HYDROCARBON MIXTURE BOILING IN THE RANGE FROM ABOUT 60* TO ABOUT 500* F. AT A TEMPERATURE IN THE RANGE FROM ABOUT 195* TO ABOUT 350* F. WITH AN ELONGATED COLUMN OF LIQUEFIED SATURATED HYDROCARBON MICROCRYSTALLINE WAX HAVINGA MOLECULAR WEIGHT IN THE RANGE FROM ABOUT 580 TO ABOUT 850 AND AN ASTM 8D 127-48) MELTING POINT OF AT LEAST 195* F. WHEREBY SAID HYDROCARBON MIXTURE IS SEPARATED INTO ITS COMPONENTS.
Claim 2
Independent Claim
80 words
A METHOD FOR SEPARATING HYROCARBON MIXTURES WHICH COMPRISES CONTACTING A VAPOROUS HYDROCARBON MIXTURE BOILING IN THE RANGE FROM ABOUT 60* TO ABOUT 500* F. AT A TEMPERATURE IN THE RANGE FROM ABOUT 195* TO ABOUT 350* F. WITH AN ELONGATED COLUMN OF LIQUEFIED SATURATED HYDROCARBON MICROCRYSTALLINE WAX HAVINGA MOLECULAR WEIGHT IN THE RANGE FROM ABOUT 580 TO ABOUT 850 AND AN ASTM 8D 127-48) MELTING POINT OF AT LEAST 195* F. WHEREBY SAID HYDROCARBON MIXTURE IS SEPARATED INTO ITS COMPONENTS.
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) | 1966-01-21 | 1966-07-23 | 1967-01-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-21 | 1970-07-23 | 1971-01-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-21 | 1974-07-23 | 1975-01-22 | $7700.00 | Window Closed / Lapsed |