US3784468A
Expired / Lapsed
US
⏱️ 0.0 years remaining
System and method for separating heavier and lighter components of liquid mixtures
Assignee: ExxonMobil Upstream Research Co
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Filing: 1971-09-20
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Granted: 1974-01-08
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Expires: 1991-09-20
Abstract
Abstract A MIXTURE OF LIQUIDS CAPBLE OF GRAVITY SEPARATION. SUCH AS OIL AND WATER, IS CHARGED WITH GS OR AERATED IN A CYCLONE. THE ACERATED LIQUID MIXTURE IS THEN SEPARATED IN A FLOATATION CHAMBER OR CELL. THE LIGHTER LIQUID COMPONENT FLOATS TO THE SURFACE OF THE LIQUID MIXTURE IN THE FLOTATION CELL AIDED BY THE RISING GAS IN THE LIQUID MIXTURE. SEVERAL CYCLONE-FLOTATION CELLS MAY BE CONNECTED TOGETHER IN SERIES IN WHICH ARRANGEMENT THE HEAVIER SEPARATED COMPONENT MIXED WITH THE LIGHTER UNSEPARATED COMPONENT IS CYCLED FROM A PARTICULAR FLOTATION CELL TO THE NEXT SUCCEEDING CYCLONE-FLOTATION CELL.
Inventors
- 👤 J Garcia
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 17:26
CPC Classifications
C; C02; C02F; C02F1/00; C02F1/24; B; B01; B01D; B01D17/00; B01D17/02; B01D17/0205; B01D17/0217
Claims Analysis
Total Claims: 0
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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) | 1977-01-07 | 1977-07-09 | 1978-01-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-01-07 | 1981-07-09 | 1982-01-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-01-07 | 1985-07-09 | 1986-01-08 | $7700.00 | Window Closed / Lapsed |