US2930808A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for continuously reacting finely divided solids with liquids and/or gases
Assignee: Studiengesellschaft Kohle gGmbH
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Filing: 1957-03-20
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Granted: 1960-03-29
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Expires: 1977-03-20
Abstract
No abstract record available.
Inventors
- 👤 Zosel Kurt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 05:59
CPC Classifications
B; B01; B01J; B01J8/00; B01J8/18; B01J8/20; B01J10/00; B01J10/002; B01J19/00; B01J19/24; B01J19/2415; B01J19/242; B01J8/22; C; C01; C01G; C01G49/00; C01G49/16; C07; C07F; C07F3/00; C07F3/02; C07F5/00; C07F5/06; C07F5/061; C07F5/062; B01J2219/00; B01J2219/00049; B01J2219/00051; B01J2219/00074; B01J2219/00105; B01J2219/0011; B01J2219/0015; B01J2219/00164; B01J2219/00166; B01J2219/00186; B01J2219/00761; B01J2219/00763; B01J2219/00765; B01J2219/00777; B01J2219/18; B01J2219/185; B01J2219/19; B01J2219/194; B01J2219/1941; B01J2219/1943
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
80 words
IN A PROCESS IN WHICH A FINELY DIVED SOLID IS CONTACTED WITH A FLUID FOR REACTION THEREWITH, THE IMPROVEMENT WHICH COMPRISES ESTABLISHING A VERTICALLY EXTENDING REACTION ZONE SUBSTANTIALLY FILLED WITH LIQUID AND SUBDIVIDED INTO A MULTIPLE NUMBER OF ADJACENT VERTICAL SEC TIONS BY SCREENING PLATES, SUBSTANTIALLY CONTINUOUSLY PASSING A GAS UPWARDLY THROUGH SAID REACTION ZONE AT A RATE SUFFICIENT TO ACCUMULATE GAS UNDER SAID PLATES, THEREBY FORMING GAS BUFFERS SUBSTANTIALLY CONTINUOUSLY PASS ING FINELY DIVIDED SOLIDS AND LIQUID UPWARDLY THROUGH
Claim 2
Dependent Claim
80 words
IN A PROCESS IN WHICH A FINELY DIVED SOLID IS CONTACTED WITH A FLUID FOR REACTION THEREWITH, THE IMPROVEMENT WHICH COMPRISES ESTABLISHING A VERTICALLY EXTENDING REACTION ZONE SUBSTANTIALLY FILLED WITH LIQUID AND SUBDIVIDED INTO A MULTIPLE NUMBER OF ADJACENT VERTICAL SEC TIONS BY SCREENING PLATES, SUBSTANTIALLY CONTINUOUSLY PASSING A GAS UPWARDLY THROUGH SAID REACTION ZONE AT A RATE SUFFICIENT TO ACCUMULATE GAS UNDER SAID PLATES, THEREBY FORMING GAS BUFFERS SUBSTANTIALLY CONTINUOUSLY PASS ING FINELY DIVIDED SOLIDS AND LIQUID UPWARDLY THROUGH
References Cited (Backward Citations)
US2730556A
Cited
US2759985A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-03-29 | 1963-09-28 | 1964-03-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-03-29 | 1967-09-28 | 1968-03-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-03-29 | 1971-09-28 | 1972-03-29 | $7700.00 | Window Closed / Lapsed |