Patent US393712A successfully refreshed from Google Patents.
Patent US2555210A successfully refreshed from Google Patents.
US2555210A
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Method and apparatus for carrying out catalytic reactions with moving catalyst
Assignee: Phillips Petroleum Co
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Filing: 1946-05-09
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Granted: 1951-05-29
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Expires: 1966-05-09
Abstract
No abstract record available.
Inventors
- 👤 Paul M Waddill
- 👤 Frank C Fowler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 12:33
CPC Classifications
B; B01; B01J; B01J8/00; B01J8/08; B01J8/087; B01J2208/00; B01J2208/00008; B01J2208/00017; B01J2208/00026; B01J2208/00035; B01J2208/00088; B01J2208/00327; B01J2208/00336; B01J2208/0038
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
130 words
A CONTINUOUS VAPOR-PHASE PROCESS FOR CONVERTING LOW-BOILING HYDROCARBONS TO WATER-GAS WHICH COMPRISES HEATING A GRAVITATING STREAM OF ALUMINA PEBBLES IN A HEATING ZONE TO A TEMPERATURE IN THE RANGE OF 1650* TO 3150* F. BY CONTACT WITH COMBUSTION GAS; GRAVITATING THE HEATED STREAM OF PEBBLES THROUGH A RELATIVELY NARROW THROAT INTO THE TOP OF A SUBJACENT REACTION ZONE, SIMULTANEOUSLY FEEDING INTO THE GRAVITATING STREAM OF HOT PEBBLES IN SAID THROAT FROM A POINT EXTERIORLY OF BOTH SAID ZONES A STREAM OF PEBBLES COMPRISING METALLIC NICKEL SO AS TO FORM A MIXED STREAM OF ALUMINA AND NICKEL PEBBLES; GRAVITATING SAID MIXED STREAM THROUGH SAID REACTION ZONE IN CONTACT WITH A MIXED STREAM OF LOW-BOILING HYDROCARBON AND STEAM AT CORRELATED PEBBLE AND VAPOR FLOW RATES SO AS TO MAINTAIN A REACTION TEMPERA-
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) | 1954-05-28 | 1954-11-27 | 1955-05-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-05-28 | 1958-11-27 | 1959-05-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-05-28 | 1962-11-27 | 1963-05-29 | $7700.00 | Window Closed / Lapsed |