Patent US1781480A successfully refreshed from Google Patents.
Patent US3242097A successfully refreshed from Google Patents.
US3242097A
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Separation of liquid phases
Assignee: Phillips Petroleum Co
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Filing: 1961-04-27
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Granted: 1966-03-22
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Expires: 1981-04-27
Abstract
No abstract record available.
Inventors
- 👤 Francis W Crawford
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 23:02
CPC Classifications
B; B01; B01D; B01D17/00; B01D17/02; B01D17/0202; B01D17/0217; B01D17/04; B01D17/045
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
83 words
A METHOD FOR SEPARATING AN EMULSION COMPRISING TWO IMMISCIBLE LIQUID COMPONENTS OF UNLIKE SPECIFIC GRAVITIES INTO SAID COMPONENTS COMPRISING INTRODUCING SAID EMULSION INTO A SPINNING ZONE REVOLVING ABOUT ITS AXIS CONTAINING A COMPACT BED OF GRANULAR SOLID PARTICULATE MATERIAL PREFERENTIALLY WETTED BY ONE OF SAID COMPONENTS, WITHDRAWING THE HEAVIER OF SAID COMPONENTS FROM THE RADIALLY OUTER PERIHERY OF SAID SPINNING ZONE AND THE LIGHTER OF SAID COMPONENTS FROM AN AREA ADJACENT THE AXIS OF ROTATION OF SAID ZONE AS PRODUCTS OF THE OPERATION.
Claim 2
Independent Claim
83 words
A METHOD FOR SEPARATING AN EMULSION COMPRISING TWO IMMISCIBLE LIQUID COMPONENTS OF UNLIKE SPECIFIC GRAVITIES INTO SAID COMPONENTS COMPRISING INTRODUCING SAID EMULSION INTO A SPINNING ZONE REVOLVING ABOUT ITS AXIS CONTAINING A COMPACT BED OF GRANULAR SOLID PARTICULATE MATERIAL PREFERENTIALLY WETTED BY ONE OF SAID COMPONENTS, WITHDRAWING THE HEAVIER OF SAID COMPONENTS FROM THE RADIALLY OUTER PERIHERY OF SAID SPINNING ZONE AND THE LIGHTER OF SAID COMPONENTS FROM AN AREA ADJACENT THE AXIS OF ROTATION OF SAID ZONE AS PRODUCTS OF THE OPERATION.
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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) | 1969-03-21 | 1969-09-20 | 1970-03-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-21 | 1973-09-20 | 1974-03-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-21 | 1977-09-20 | 1978-03-22 | $7700.00 | Window Closed / Lapsed |