US2558375A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Catalytic conversion of hydrocarbons
Assignee: Sinclair Refining Co
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Filing: 1947-06-26
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Granted: 1951-06-26
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Expires: 1967-06-26
Abstract
No abstract record available.
Inventors
- 👤 Olson Leonard Eugene
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 09:30
CPC Classifications
C; C10; C10G; C10G11/00; C10G11/02; C10G11/08; B; B01; B01J; B01J27/00; B01J27/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
76 words
THE IMPROVEMENT IN THE CRACKING OF HYDROCARBON OILS FOR THE PRODUCTION OF HIGH ANTI-KNOCK GASOLINE, WHICH COMPRISES CRACKING A PREFLUORINATED OIL STOCK IN A CRACKING ZONE AT A CRACKING TEMPERATURE AND THEREBY PRODUCING GASOLINE RANGE CONSTITUENTS AND HYDROFLUORIC ACID, CONTACTING THE CRACKED PRODUCTS INCLUDING THE HYDROFLUORIC ACID WITH AN ALUMINUM HALIDE CATALYST TO RECOVER IN THE FORM OF A PRODUCT OF REACTION BETWEEN HYDROFLUORIC ACID AND THE ALUMINUM HALIDE CATALYST THE HYDROFLUORIC ACID FROM THE PRODUCTS
Claim 2
Dependent Claim
76 words
THE IMPROVEMENT IN THE CRACKING OF HYDROCARBON OILS FOR THE PRODUCTION OF HIGH ANTI-KNOCK GASOLINE, WHICH COMPRISES CRACKING A PREFLUORINATED OIL STOCK IN A CRACKING ZONE AT A CRACKING TEMPERATURE AND THEREBY PRODUCING GASOLINE RANGE CONSTITUENTS AND HYDROFLUORIC ACID, CONTACTING THE CRACKED PRODUCTS INCLUDING THE HYDROFLUORIC ACID WITH AN ALUMINUM HALIDE CATALYST TO RECOVER IN THE FORM OF A PRODUCT OF REACTION BETWEEN HYDROFLUORIC ACID AND THE ALUMINUM HALIDE CATALYST THE HYDROFLUORIC ACID FROM THE PRODUCTS
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) | 1954-06-25 | 1954-12-25 | 1955-06-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-06-25 | 1958-12-25 | 1959-06-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-06-25 | 1962-12-25 | 1963-06-26 | $7700.00 | Window Closed / Lapsed |