US2626889A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of and apparatus for liquidliquid contacting
Assignee: Phillips Petroleum Co
•
Filing: 1948-11-22
•
Granted: 1953-01-27
•
Expires: 1968-11-22
Abstract
No abstract record available.
Inventors
- 👤 Samuel C Carney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:44
CPC Classifications
B; B01; B01D; B01D11/00; B01D11/04; B01D11/0426; B01D11/043; B01D11/0434
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
71 words
IN THE ART OF LIQUID-LIQUID CONTACTING, THE STEPS WHICH COMPRISE EFFECTING COUNTERCURRENT FLOW OF A HEAVY LIQUID AND A LIGHT THROUGH A MIXING ZONE, CENTRIFUGING THE LIQUID IN THE MIXING ZONE TO ESTABLISH AN INTERFACE BETWEEN PHASES OF HEAVY AND LIGHT LIQUIDS, CONTINUOSULY TRANSPORTING DROPLETS OF LIGHT LIQUID FROM A REGION WITHIN THE LIGHT LIQUID PHASE THROUGH THE INTERFACE INTO THE HEAVY LIQUID PHASE, AND CONTINUOUSLY TRANSPORTING DROPLETS OF HEAVY LIQUID
Claim 2
Dependent Claim
71 words
IN THE ART OF LIQUID-LIQUID CONTACTING, THE STEPS WHICH COMPRISE EFFECTING COUNTERCURRENT FLOW OF A HEAVY LIQUID AND A LIGHT THROUGH A MIXING ZONE, CENTRIFUGING THE LIQUID IN THE MIXING ZONE TO ESTABLISH AN INTERFACE BETWEEN PHASES OF HEAVY AND LIGHT LIQUIDS, CONTINUOSULY TRANSPORTING DROPLETS OF LIGHT LIQUID FROM A REGION WITHIN THE LIGHT LIQUID PHASE THROUGH THE INTERFACE INTO THE HEAVY LIQUID PHASE, AND CONTINUOUSLY TRANSPORTING DROPLETS OF HEAVY LIQUID
References Cited (Backward Citations)
US2029688A
Cited
US2093645A
Cited
US2176983A
Cited
US2234921A
Cited
US2248620A
Cited
US2361503A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-01-27 | 1956-07-28 | 1957-01-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-01-27 | 1960-07-28 | 1961-01-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-01-27 | 1964-07-28 | 1965-01-27 | $7700.00 | Window Closed / Lapsed |