US3092515A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Moving-bed liquid-solid contactor and operation thereof
Assignee: Research Corp
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Filing: 1959-09-14
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Granted: 1963-06-04
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Expires: 1979-09-14
Abstract
No abstract record available.
Inventors
- 👤 Frederick P Pike
- 👤 Eugene E Erickson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 05:29
CPC Classifications
B; B01; B01J; B01J47/00; B01J47/10; B01D; B01D11/00; B01D11/02; B01D11/0215; B01D11/0223; B01D11/0242; B01D11/0261; B01D15/00; B01D15/02; B01J19/00; B01J19/18; B01J19/185; B01J8/00; B01J8/16; B01J2208/00; B01J2208/00008; B01J2208/00548
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
172 words
A METHOD FOR ESSENTIALLY CONTINUOUS COUNTERCURRENT CONTACT OF A LIQUID WITH A SUBDIVIDED AND FREE-FLOWING SOLID DENSE ENOUGH TO SETTLE DOWNWARD THROUGH THE LIQUID WHICH COMPRISES SUPPORTING A COLUMN OF THE SOLIDS ON A LIQUID PERMEABLE SEPTUM, SUPPLYING THE LIQID TO THE UPPER PORTION OF THE COLUMN, SUPPLYING SOLIDS TO THE LOWER PORTION OF THE COLUMN, AND APLYING PULSES TO THE LIQUID IN SAID COLUMN FROM BELOW SAID SEPTUM WHEREBY ON THE POSITIVE STROKE OF EACH PULSE A PORTION OF SOLIDS SUSPENDED IN THE LIQUID IS FORCED OUT OF THE UPPER PORTION OF THE CHAMBER, A PORTION OF THE LIQUID IS FORCED OUT OF THE LOWER PORTION OF THE CHAMBER AND A PORTION OF THE SOLIDS FEED IS CAUSED TO ENTER THE CHAMBER AND ON THE NEGATIVE STOCK OF EACH PULSE A PORTION OF THE LIQUID IS DRAWN INTO THE UPPER PORTION OF THE SOLIDS BED, A PORTION IS DRAWN DOWN THROUGH THE BED, AND A PORTION IS DRAWN THROUGH THE SEPTUM INTO THE LOWER PART OF THE CHAMGER BELOW THE SEPTUM.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-06-03 | 1966-12-03 | 1967-06-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-06-03 | 1970-12-03 | 1971-06-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-06-03 | 1974-12-03 | 1975-06-04 | $7700.00 | Window Closed / Lapsed |