US3150199A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Separation of hydrocarbons
Assignee: Pullman Inc
•
Filing: 1960-10-27
•
Granted: 1964-09-22
•
Expires: 1980-10-27
Abstract
No abstract record available.
Inventors
- 👤 Saverio G Greco
- 👤 Hanisian John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 15:56
CPC Classifications
C; C07; C07C; C07C7/00; C07C7/04; F; F25; F25J; F25J3/00; F25J3/02; F25J3/0204; F25J3/0219; F25J3/0228; F25J3/0233; F25J3/0242; F25J3/0247; F25J2210/00; F25J2210/12; F25J2215/00; F25J2215/62
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
85 words
A PROCESS FOR FRACTIONALLY SEPARATING A MIXTURE CONTAINING NORMALLY GASEOUS SATURATED AND UNSATURATED HYDROCARBONS WHICH COMPRISES COMPRESSING SAID MIXTURE TO AN ELEVATED PRESSURE BETWEEN ABOUT 300 AND ABOUT 650 P.S.I.G., COOLING AND PARTIALLY CONDENSING SAID COMPRESSED MIXTURE AT A TEMPERATURE BETWEEN ABOUT 65*F. AND ABOUT 100*F., SEPARATING A LIQUID FRACTION CONTAINING C2 AND HEAVIER HYDROCARBONS AND A VAPOROUS FRACTION CONTAINING C2 AND LIGHTER HYDROCARBONS FROM SIAD COOLED AND PARTIALLY CONDENSED MIXTURE IN A SEPARATION ZONE, SEPARATING VAPOROUS FRACTION FROM SAID SEPARATION ZONE INTO C2-RICH FRACTION
Claim 2
Dependent Claim
85 words
A PROCESS FOR FRACTIONALLY SEPARATING A MIXTURE CONTAINING NORMALLY GASEOUS SATURATED AND UNSATURATED HYDROCARBONS WHICH COMPRISES COMPRESSING SAID MIXTURE TO AN ELEVATED PRESSURE BETWEEN ABOUT 300 AND ABOUT 650 P.S.I.G., COOLING AND PARTIALLY CONDENSING SAID COMPRESSED MIXTURE AT A TEMPERATURE BETWEEN ABOUT 65*F. AND ABOUT 100*F., SEPARATING A LIQUID FRACTION CONTAINING C2 AND HEAVIER HYDROCARBONS AND A VAPOROUS FRACTION CONTAINING C2 AND LIGHTER HYDROCARBONS FROM SIAD COOLED AND PARTIALLY CONDENSED MIXTURE IN A SEPARATION ZONE, SEPARATING VAPOROUS FRACTION FROM SAID SEPARATION ZONE INTO C2-RICH FRACTION
References Cited (Backward Citations)
US2500353A
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US2514294A
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US2848522A
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US2886611A
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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) | 1967-09-22 | 1968-03-23 | 1968-09-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-22 | 1972-03-23 | 1972-09-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-22 | 1976-03-23 | 1976-09-22 | $7700.00 | Window Closed / Lapsed |