US2700638A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combination cracking process for producing aromatics from petroleum
Assignee: Sinclair Refining Co
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Filing: 1950-11-06
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Granted: 1955-01-25
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Expires: 1970-11-06
Abstract
No abstract record available.
Inventors
- 👤 Bernard S Friedman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 16:12
CPC Classifications
C; C10; C10G; C10G35/00; C10G35/04; C10G35/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
109 words
THE METHOD OF SIMULTANEOUSLY PREPARING LOWER FUSEDRING AROMATIC COMPOUNDS AND GASOLINE BOILING-RANGE HYDROCARBONS WHICH COMPRISES PASSING A MIXTURE OF A LIGHT PETROLUEM DISTILLATE FRACTION AND A HYDROCARBON FRACTION RICH IS ALKYLATED FUSED-RING AROMATIC COMPOUNDS INTO A REACTION ZONE IN THE PRESENCE OF A HYDROFORMING CATALYST SUPPORTED ON A CARRIER SELECTED FROM THE GROUP CONSISTING OF ALUMINA, THORIA AND ZINC OXIDE, MAINTAINING THE REACTION ZONE AT A TEMPERATURE IN THE RANGE APPROXIMATING 900 TO 1100* F. AND AT A PRESENCE BETWEEN ABOUT 50 TO 1500 P.S.I.G. FOR A PERIOD OF TIME SUFFICIENT TO EFFECT CONVERSION, AND SEPARATING THE LOWER-BOILING FUSED-RNG COMPOUNDS AND GASOLINE BOILING-RANGE HYDROCARBONS FROM THE EFFLUENT REACTION PRODUCTS.
Claim 2
Independent Claim
109 words
THE METHOD OF SIMULTANEOUSLY PREPARING LOWER FUSEDRING AROMATIC COMPOUNDS AND GASOLINE BOILING-RANGE HYDROCARBONS WHICH COMPRISES PASSING A MIXTURE OF A LIGHT PETROLUEM DISTILLATE FRACTION AND A HYDROCARBON FRACTION RICH IS ALKYLATED FUSED-RING AROMATIC COMPOUNDS INTO A REACTION ZONE IN THE PRESENCE OF A HYDROFORMING CATALYST SUPPORTED ON A CARRIER SELECTED FROM THE GROUP CONSISTING OF ALUMINA, THORIA AND ZINC OXIDE, MAINTAINING THE REACTION ZONE AT A TEMPERATURE IN THE RANGE APPROXIMATING 900 TO 1100* F. AND AT A PRESENCE BETWEEN ABOUT 50 TO 1500 P.S.I.G. FOR A PERIOD OF TIME SUFFICIENT TO EFFECT CONVERSION, AND SEPARATING THE LOWER-BOILING FUSED-RNG COMPOUNDS AND GASOLINE BOILING-RANGE HYDROCARBONS FROM THE EFFLUENT REACTION PRODUCTS.
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) | 1958-01-24 | 1958-07-26 | 1959-01-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-01-24 | 1962-07-26 | 1963-01-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-01-24 | 1966-07-26 | 1967-01-25 | $7700.00 | Window Closed / Lapsed |