US3216951A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Solids contact apparatus and method for effecting the contact
Assignee: Sinclair Research Inc
•
Filing: 1961-01-19
•
Granted: 1965-11-09
•
Expires: 1981-01-19
Abstract
No abstract record available.
Inventors
- 👤 Erickson Henry
- 👤 Howard G Russell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 21:40
CPC Classifications
B; B01; B01J; B01J8/00; B01J8/18; B01J8/20; B01J8/22; B01J21/00; B01J21/20; Y; Y10; Y10S; Y10S502/00; Y10S502/515; Y10S502/516
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
139 words
A PROCESS FOR EFFECTING CONTINOUS CONTACTING OF A LIQUID AQUEOUS OXIDIZING SOLUTION WITH FINELY-DIVIDED, SULFIDED, NICKEL-CONTAMINATED, SILICA-ALUMINA CRACKING CATALYST IN A PLURALITY OF CONTACTING ZONES CONFINED IN A CYLINDRICAL CHAMBER HAVING A CONICAL BOTTOM SEPARATED FROM IT BY A POROUS PLATE TO CONVERT CONTAMINANT TO A FORM DISPERSIBLE IN A LIQUID AQUEOUS MEDIUM WHICH COMPRISES PASSING THE CATALYST INTO A FIRST CONFINED CONTACTING ZONE SUPPLYING THE LIQUID OXIDIZING SOLUTION INTO THE LOWER SECTION OF SAID FIRST CONFINED CONTACTING ZONE AND PASSING SAID LIQUID UPOWARDLY THERETHROUGH TO EFFECT A SLURRY WITH THE CATALYST, SUPPLYING A GAS UNIFORMLY INTO THE CONTACTING ZONES TO AID CONTACTING AND MOVEMENT OF THE SLURRY FROM THE FIRST ZONE TO A SUCCESSIVE CONFINED ZONE, BY WAY OF SAID POROUS PLATE WHICH IS SUFFICIENTLY POROUS TO PERMIT GAS TO FLOW THERETHROUGH BUT NOT SO POROUS AS TO
Claim 2
Dependent Claim
139 words
A PROCESS FOR EFFECTING CONTINOUS CONTACTING OF A LIQUID AQUEOUS OXIDIZING SOLUTION WITH FINELY-DIVIDED, SULFIDED, NICKEL-CONTAMINATED, SILICA-ALUMINA CRACKING CATALYST IN A PLURALITY OF CONTACTING ZONES CONFINED IN A CYLINDRICAL CHAMBER HAVING A CONICAL BOTTOM SEPARATED FROM IT BY A POROUS PLATE TO CONVERT CONTAMINANT TO A FORM DISPERSIBLE IN A LIQUID AQUEOUS MEDIUM WHICH COMPRISES PASSING THE CATALYST INTO A FIRST CONFINED CONTACTING ZONE SUPPLYING THE LIQUID OXIDIZING SOLUTION INTO THE LOWER SECTION OF SAID FIRST CONFINED CONTACTING ZONE AND PASSING SAID LIQUID UPOWARDLY THERETHROUGH TO EFFECT A SLURRY WITH THE CATALYST, SUPPLYING A GAS UNIFORMLY INTO THE CONTACTING ZONES TO AID CONTACTING AND MOVEMENT OF THE SLURRY FROM THE FIRST ZONE TO A SUCCESSIVE CONFINED ZONE, BY WAY OF SAID POROUS PLATE WHICH IS SUFFICIENTLY POROUS TO PERMIT GAS TO FLOW THERETHROUGH BUT NOT SO POROUS AS TO
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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) | 1968-11-08 | 1969-05-10 | 1969-11-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-08 | 1973-05-10 | 1973-11-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-08 | 1977-05-10 | 1977-11-09 | $7700.00 | Window Closed / Lapsed |