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US3701793A
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Method of carrying out liquid gas reactions
Assignee: GEA Group AG
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Filing: 1969-12-31
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Granted: 1972-10-31
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Expires: 1989-12-31
Abstract
Abstract A CHEMICAL-REACTOR METHOD, WHEREIN A LIQUID PHASE AND A GAS PHASE ARE PASSED UPWARDLY THROUGH UNPACKED REACTION CHAMBERS IN A REACTOR COLUMN. THE CHAMBERS ARE SEPARATED FROM ONE ANOTHER BY PERFORATED PLATES WITH OPENINGS SUCH THAT THE LINEAR GAS VELOCITY THROUGH THE PLATES IS 1 TO 50 METERS PER SECOND.
Inventors
- 👤 Hans Joachim Schmidt
- 👤 Theodor Voeste
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 15:37
CPC Classifications
C; C11; C11C; C11C3/00; C11C3/12; C11C3/123; B; B01; B01J; B01J19/00; B01J19/0053; B01J19/006; B01J19/24; B01J19/2415; B01J19/242; B01J19/2455; B01J19/2465; B01J8/00; B01J8/18; B01J8/20; B01J8/22; B01J2219/00; B01J2219/00049; B01J2219/00051; B01J2219/00074; B01J2219/00076; B01J2219/00085; B01J2219/00087; B01J2219/00094; B01J2219/00761; B01J2219/00763; B01J2219/00765; B01J2219/00777; B01J2219/18; B01J2219/185
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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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) | 1975-10-31 | 1976-05-01 | 1976-10-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-10-31 | 1980-05-01 | 1980-10-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-10-31 | 1984-05-01 | 1984-10-31 | $7700.00 | Window Closed / Lapsed |