Patent US2578377A successfully refreshed from Google Patents.
US2578377A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Catalytic conversion of hydrocarbons with finely divided catalysts utilizing sonic vibrations
Assignee: Sinclair Refining Co
•
Filing: 1947-06-24
•
Granted: 1951-12-11
•
Expires: 1967-06-24
Abstract
No abstract record available.
Inventors
- 👤 Smith Reading Barlow
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 04:13
CPC Classifications
C; C10; C10G; C10G11/00; C10G11/14; C10G11/18; B; B01; B01J; B01J8/00; B01J8/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
79 words
IN A CATALYTIC PROCESS FOR THE CONVERSION OF HYDROCARBONS WHEREIN A SUSPENSION OF FINELY DIVIDED CATALYST IN THE HYDROCARBONS IS VAPOR PHASE AND UNDER CONVERSION CONDITIONS IS PASSED THROUGH A VERTICALLY ELONGATED REACTION ZONE, THE IMPROVEMENT WHICH COMPRISES PASSING SAID CATALYST AND VAPOR PHASE HYDROCARBONS THROUGH SAID REACTION ZONE IN A LONGITUDINAL DIRECTION AND SIMULTANEOUSLY SUBJECTING SAID CATALYST TO CONTINUOUSLY GENERATED SONIC WAVE VIBRATIONS OF THE TRAVELLING WAVE TYPE PROPAGATED IN A DIRECTION GENERALLY PERPENDICULAR TO SAID LONGITUDINAL DIRECTION.
Claim 2
Dependent Claim
79 words
IN A CATALYTIC PROCESS FOR THE CONVERSION OF HYDROCARBONS WHEREIN A SUSPENSION OF FINELY DIVIDED CATALYST IN THE HYDROCARBONS IS VAPOR PHASE AND UNDER CONVERSION CONDITIONS IS PASSED THROUGH A VERTICALLY ELONGATED REACTION ZONE, THE IMPROVEMENT WHICH COMPRISES PASSING SAID CATALYST AND VAPOR PHASE HYDROCARBONS THROUGH SAID REACTION ZONE IN A LONGITUDINAL DIRECTION AND SIMULTANEOUSLY SUBJECTING SAID CATALYST TO CONTINUOUSLY GENERATED SONIC WAVE VIBRATIONS OF THE TRAVELLING WAVE TYPE PROPAGATED IN A DIRECTION GENERALLY PERPENDICULAR TO SAID LONGITUDINAL DIRECTION.
References Cited (Backward Citations)
GB192089A
Cited
US1738565A
Cited
US2112643A
Cited
GB457547A
Cited
GB458872A
Cited
US2163649A
Cited
GB477646A
Cited
US2303083A
Cited
US2364145A
Cited
US2360787A
Cited
US2394651A
Cited
US2429751A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-12-10 | 1955-06-11 | 1955-12-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-12-10 | 1959-06-11 | 1959-12-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-12-10 | 1963-06-11 | 1963-12-11 | $7700.00 | Window Closed / Lapsed |