US3085864A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Liquid-liquid contacting columns
Assignee: Individual
•
Filing: 1956-09-20
•
Granted: 1963-04-16
•
Expires: 1976-09-20
Abstract
No abstract record available.
Inventors
- 👤 Alwyne C Jealous
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 13:41
CPC Classifications
B; B01; B01D; B01D11/00; B01D11/04; B01D11/0426; B01D11/0438
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
121 words
LIQUID-LIQUID CONTACTING APPARATUS COMPRISING A PLURALITY OF CONTACTING COLUMN SECTIONS CONTAINING INTERNAL CONTACTING ELEMENTS; CONDUIT MEANS COMMUNICATING BETWEEN SUCCESSIVE COLUMN SECTIONS TO PROVIDE FOR COUNTERCURRENT FLOW OF SAID LIQUIDS THROUGH COLUMN SECTIONS ARRANGED TO OPERATE IN SERIES; INLET AND OUTLET MEANS FOR PASSING TWO LIQUID PHASES IN COUNTERCURRENT RELATIONSHIP THORUGH SAID PLURAITY OF COLUM SECTIONS AND COUNDUIT MEANS ARRANGED IN SERIES; HYDRAULIC PULSE GENERATOR MEANS ASSOCIATED WITH ONE OF SAID COLUMN SECTIONS TO PROVIDE ALTERNATING HYDRAULIC PRESSURE PULSES THROUGH THE LIQUID CONTAINED IN SAID COLUMN SECTIONS; AND CHECK VALVE MEANS POSITIONED IN SAID CONDUIT MEANS AND ACTUATED BY SAID ALTERNATING HYDRAULIC PRESSURE PULSES TO PERMIT THE CONDUCTION OF SAID PRESSURE PULSES THROUGH SAID CONDUIT MEANS TO EACH OF SAID COLUMN SECTIONS.
Claim 2
Dependent Claim
121 words
LIQUID-LIQUID CONTACTING APPARATUS COMPRISING A PLURALITY OF CONTACTING COLUMN SECTIONS CONTAINING INTERNAL CONTACTING ELEMENTS; CONDUIT MEANS COMMUNICATING BETWEEN SUCCESSIVE COLUMN SECTIONS TO PROVIDE FOR COUNTERCURRENT FLOW OF SAID LIQUIDS THROUGH COLUMN SECTIONS ARRANGED TO OPERATE IN SERIES; INLET AND OUTLET MEANS FOR PASSING TWO LIQUID PHASES IN COUNTERCURRENT RELATIONSHIP THORUGH SAID PLURAITY OF COLUM SECTIONS AND COUNDUIT MEANS ARRANGED IN SERIES; HYDRAULIC PULSE GENERATOR MEANS ASSOCIATED WITH ONE OF SAID COLUMN SECTIONS TO PROVIDE ALTERNATING HYDRAULIC PRESSURE PULSES THROUGH THE LIQUID CONTAINED IN SAID COLUMN SECTIONS; AND CHECK VALVE MEANS POSITIONED IN SAID CONDUIT MEANS AND ACTUATED BY SAID ALTERNATING HYDRAULIC PRESSURE PULSES TO PERMIT THE CONDUCTION OF SAID PRESSURE PULSES THROUGH SAID CONDUIT MEANS TO EACH OF SAID COLUMN SECTIONS.
References Cited (Backward Citations)
US2751425A
Cited
US2743170A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-04-15 | 1966-10-15 | 1967-04-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-15 | 1970-10-15 | 1971-04-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-15 | 1974-10-15 | 1975-04-16 | $7700.00 | Window Closed / Lapsed |