US3147216A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Separation of hydrocarbon/water mixtures
Assignee: EIDP Inc
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Filing: 1961-09-28
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Granted: 1964-09-01
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Expires: 1981-09-28
Abstract
No abstract record available.
Inventors
- 👤 Oemler Alan Norton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 10:09
CPC Classifications
B; B01; B01D; B01D17/00; B01D17/02; B01D17/0202
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
89 words
METHOD OF SEPARATING LIQUID HYDROCARBONS AND LIQUID COMPOUNDS IMMISCIBLE IN WATER AND CONTAINING HYDROCARBON RADICALS OF AT LEAST 3 CARBON ATOMS FROM AQUEOUS MIXTURES THEREOF WHICH COMPRISES CONTACTING SAID MIXTURE WITH A POLYOLEFIN FLUFF, SAID POLYOLEFIN BEING A NORMALLY SOLID CRYSTALLINE POLYMR JOF AN OLEFIN HAVING THE GENERAL FORMULA RCH=CH2 WHERE R IS SELECTED FROM THE GROUP CONSISTING OF HYDROGEN AND ALKYL RADICALS, SAID FLUFF HAVING A PARTICLE SIZE OF ABOUT 20 TO 60 MESH AND THEREAFTER SEPARATING THE POLYOLEFIN FLUFF CONTAINING SAID LIQUID HYDROCARBON FROM SAID AQUEOUS PHASE.
Claim 2
Dependent Claim
89 words
METHOD OF SEPARATING LIQUID HYDROCARBONS AND LIQUID COMPOUNDS IMMISCIBLE IN WATER AND CONTAINING HYDROCARBON RADICALS OF AT LEAST 3 CARBON ATOMS FROM AQUEOUS MIXTURES THEREOF WHICH COMPRISES CONTACTING SAID MIXTURE WITH A POLYOLEFIN FLUFF, SAID POLYOLEFIN BEING A NORMALLY SOLID CRYSTALLINE POLYMR JOF AN OLEFIN HAVING THE GENERAL FORMULA RCH=CH2 WHERE R IS SELECTED FROM THE GROUP CONSISTING OF HYDROGEN AND ALKYL RADICALS, SAID FLUFF HAVING A PARTICLE SIZE OF ABOUT 20 TO 60 MESH AND THEREAFTER SEPARATING THE POLYOLEFIN FLUFF CONTAINING SAID LIQUID HYDROCARBON FROM SAID AQUEOUS PHASE.
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) | 1967-09-01 | 1968-03-02 | 1968-09-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-01 | 1972-03-02 | 1972-09-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-01 | 1976-03-02 | 1976-09-01 | $7700.00 | Window Closed / Lapsed |