US2870081A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Removal of metal contaminants from hydrocarbon liquids and improved hydrocarbon conversion process
Assignee: Phillips Petroleum Co
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Filing: 1955-04-11
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Granted: 1959-01-20
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Expires: 1975-04-11
Abstract
No abstract record available.
Inventors
- 👤 Frederick E Frey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 02:12
CPC Classifications
C; C10; C10G; C10G32/00; C10G32/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
100 words
A PROCESS FOR THE CONVERSION OF A VIRGIN TOPPED CRUDE WHICH COMPRISES REMOVING METAL-CONTAINING CONTAMINANTS FROM THE OIL DURING ITS TREATMENT AND BEFORE IT IS SUBJECTED TO A CRACKING OPERATION WHICH COMPRISES VACUUM DISTILLING SAID TOPPED CRUDE TO RECOVER AS A PRODUCT A HEAVY VACUUM GAS OIL, SUBJECTING THE HEAVY GAS OIL TO A HIGH POTENTIAL DIRECT VOLTAGE ELECTRICAL FIELD IN THE APPROXIMATE RANGE OF 15,000-30,000 VOLTS PER CENTIMETER SUFFICIENT TO REDUCE THE METALS CONTENT THEREOF AND THEN SUBJECTING THE SUBSTANTIALLY METALS-FREE HEAVY GAS OIL TO A CATALYTIC CRACKING OPERATION UNDER CONDITIONS ADAPTED TO CRACK SAID OIL INTO USEFUL PRODUCTS.
Claim 2
Dependent Claim
100 words
A PROCESS FOR THE CONVERSION OF A VIRGIN TOPPED CRUDE WHICH COMPRISES REMOVING METAL-CONTAINING CONTAMINANTS FROM THE OIL DURING ITS TREATMENT AND BEFORE IT IS SUBJECTED TO A CRACKING OPERATION WHICH COMPRISES VACUUM DISTILLING SAID TOPPED CRUDE TO RECOVER AS A PRODUCT A HEAVY VACUUM GAS OIL, SUBJECTING THE HEAVY GAS OIL TO A HIGH POTENTIAL DIRECT VOLTAGE ELECTRICAL FIELD IN THE APPROXIMATE RANGE OF 15,000-30,000 VOLTS PER CENTIMETER SUFFICIENT TO REDUCE THE METALS CONTENT THEREOF AND THEN SUBJECTING THE SUBSTANTIALLY METALS-FREE HEAVY GAS OIL TO A CATALYTIC CRACKING OPERATION UNDER CONDITIONS ADAPTED TO CRACK SAID OIL INTO USEFUL 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) | 1962-01-19 | 1962-07-21 | 1963-01-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-01-19 | 1966-07-21 | 1967-01-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-01-19 | 1970-07-21 | 1971-01-20 | $7700.00 | Window Closed / Lapsed |