Patent US3014861A successfully refreshed from Google Patents.
US3014861A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Treatment of immiscible liquids
Assignee: Shell USA Inc
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Filing: 1959-07-08
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Granted: 1961-12-26
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Expires: 1979-07-08
Abstract
No abstract record available.
Inventors
- 👤 Weigert C Buningh
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 19:46
CPC Classifications
C; C02; C02F; C02F1/00; C02F1/26; B; B01; B01D; B01D11/00; B01D11/04; B01D11/0426; B01D11/043; C10; C10G; C10G17/00; C10G17/02; C10G21/00; C10G27/00; C10G27/04
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
138 words
A PROCESS FOR THE TREATMENT OF A FIRST LIQUID WITH A TREATING LIQUID WHICH HAS A HIGHER SPECIFIC GRAVITY AND WHICH IS IMMISCIBLE THEREWITH WHICH COMPRISES, (1) PASSING SAID LIQUIDS CONCURRENTLY IN PARALLEL FLOW DOWNWARDLY THROUGH A CONTACT BED CONSISTING OF SOLID, INERT MATERIAL WHICH IS PREFERENTIALLY WETTED BY THE TREATING LIQUID, WITH THE RATIO BY VOLUME OF THE TREATING LIQUID TO THE FIRST LIQUID BEING LESS THAN 1, (2) REGULATING THE QUANTITIES OF THE LIQUIDS SUPPLIED TO THE CONTACT BED TO MAINTAIN A PREFERENTIAL WETTING OF THE BED BY THE TREATING LIQUID THEREBY PROVIDING A LARGE CONTACTING SURFACE FOR THE TWO LIQUIDS WITHOUT THE ACCUMULATION OF EXCESS TREATING LIQUID IN THE BED, AND (3) WITHDRAWING THE TWO LIQUIDS FROM THE BED AS CONTINUOUS PHASES WITHOUT THE DISPERSION OF EITHER LIQUID IN THE EMERGING STREAM OF THE OTHER.
Claim 2
Dependent Claim
138 words
A PROCESS FOR THE TREATMENT OF A FIRST LIQUID WITH A TREATING LIQUID WHICH HAS A HIGHER SPECIFIC GRAVITY AND WHICH IS IMMISCIBLE THEREWITH WHICH COMPRISES, (1) PASSING SAID LIQUIDS CONCURRENTLY IN PARALLEL FLOW DOWNWARDLY THROUGH A CONTACT BED CONSISTING OF SOLID, INERT MATERIAL WHICH IS PREFERENTIALLY WETTED BY THE TREATING LIQUID, WITH THE RATIO BY VOLUME OF THE TREATING LIQUID TO THE FIRST LIQUID BEING LESS THAN 1, (2) REGULATING THE QUANTITIES OF THE LIQUIDS SUPPLIED TO THE CONTACT BED TO MAINTAIN A PREFERENTIAL WETTING OF THE BED BY THE TREATING LIQUID THEREBY PROVIDING A LARGE CONTACTING SURFACE FOR THE TWO LIQUIDS WITHOUT THE ACCUMULATION OF EXCESS TREATING LIQUID IN THE BED, AND (3) WITHDRAWING THE TWO LIQUIDS FROM THE BED AS CONTINUOUS PHASES WITHOUT THE DISPERSION OF EITHER LIQUID IN THE EMERGING STREAM OF THE OTHER.
Claim 3
Dependent Claim
28 words
A PROCESS IN ACCORDANCE WITH CLAIM 1 WHEREIN THE TREATING LIQUID IS AN AQUEOUS SOLUTION OF AN ALKALI METAL HYDROXIDE AND THE FIRST LIQUID COMPRISES A HYDROCARBON MIXTURE.
References Cited (Backward Citations)
US2091709A
Cited
US2176806A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-12-25 | 1965-06-26 | 1965-12-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-12-25 | 1969-06-26 | 1969-12-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-12-25 | 1973-06-26 | 1973-12-26 | $7700.00 | Window Closed / Lapsed |