Patent US2998734A successfully refreshed from Google Patents.
US2620293A
Expired / Lapsed
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Conversion of oil residua to lighter hydrocarbons
Assignee: Phillips Petroleum Co
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Filing: 1949-12-19
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Granted: 1952-12-02
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Expires: 1969-12-19
Abstract
No abstract record available.
Inventors
- 👤 Richard W Blue
- 👤 Charles J Engle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 07:09
CPC Classifications
C; C10; C10G; C10G47/00; C10G47/32; C10G47/34
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
211 words
A PROCESS FOR THE CONVERSION OF A HYDROCARBON OIL RESIDUUM TO A HYDROCARBON CRACKING STOCK BOILING IN A RANGE LOWER THAN THAT OF SAID RESIDUUM, COMPRISING PASSING AN ADMIXTURE OF SUCH A RESIDUUM HAVING A GRAVITY WITHIN THE LIMITS OF 0 TO 25* API AND A BOILING RANGE ABOVE 700* F. AND A NAPHTHENE HYDROCARBON AS A HYDROGEN DONOR MATERIAL, CONTACTING OIL IN A VOLUME RATIO TO SAID HYDROGEN DONOR WITHIN THE LIMITS OF 1:1 TO 10:1 AT A TEMPERATURE WITHIN THE LIMITS OF 700 TO 950* F., INTO A REACTION ZONE CONTAINING A FIRST BED OF A GRANULAR ALUMINA-METAL OXIDE CATALYST SELECTED FROM THE GROUP CONSISTING OF ALUMINA COMBINED WITH FROM 1 TO 10 PER CENT OF ITS WEIGHT OF AT LEAST ONE METAL OXIDE SELECTED FROM THE GROUP CONSISTING OF THORIA, TITANIA, AND ZIRCONIA, AND AN ALUMINA-SILICA CONTAINING NOT MORE THAN 25 WEIGHT PER CENT SILICA AND SELECTED FROM THE GROUP CONSISTING OF A SYNTHETIC SILICA-ALUMINA TYPE CATAYLYST AND A NATURAL OCURRING CLAY, DISPOSED IN TANDEM RELATION WITH A SECOND BED OF GRANULAR METAL OXIDE CATALYST SELECTED FROM THE GROUP CONSISTING OF ZIRCONIA COMBINED WITH FROM 10 TO 40 PER CENT OF ITS WEIGHT OF AT LEAST ON OXIDE SELECTED FROM THE GROUP CONSISTING OF ALUMINA, MAGNESIA AND THORIA,
Claim 2
Dependent Claim
211 words
A PROCESS FOR THE CONVERSION OF A HYDROCARBON OIL RESIDUUM TO A HYDROCARBON CRACKING STOCK BOILING IN A RANGE LOWER THAN THAT OF SAID RESIDUUM, COMPRISING PASSING AN ADMIXTURE OF SUCH A RESIDUUM HAVING A GRAVITY WITHIN THE LIMITS OF 0 TO 25* API AND A BOILING RANGE ABOVE 700* F. AND A NAPHTHENE HYDROCARBON AS A HYDROGEN DONOR MATERIAL, CONTACTING OIL IN A VOLUME RATIO TO SAID HYDROGEN DONOR WITHIN THE LIMITS OF 1:1 TO 10:1 AT A TEMPERATURE WITHIN THE LIMITS OF 700 TO 950* F., INTO A REACTION ZONE CONTAINING A FIRST BED OF A GRANULAR ALUMINA-METAL OXIDE CATALYST SELECTED FROM THE GROUP CONSISTING OF ALUMINA COMBINED WITH FROM 1 TO 10 PER CENT OF ITS WEIGHT OF AT LEAST ONE METAL OXIDE SELECTED FROM THE GROUP CONSISTING OF THORIA, TITANIA, AND ZIRCONIA, AND AN ALUMINA-SILICA CONTAINING NOT MORE THAN 25 WEIGHT PER CENT SILICA AND SELECTED FROM THE GROUP CONSISTING OF A SYNTHETIC SILICA-ALUMINA TYPE CATAYLYST AND A NATURAL OCURRING CLAY, DISPOSED IN TANDEM RELATION WITH A SECOND BED OF GRANULAR METAL OXIDE CATALYST SELECTED FROM THE GROUP CONSISTING OF ZIRCONIA COMBINED WITH FROM 10 TO 40 PER CENT OF ITS WEIGHT OF AT LEAST ON OXIDE SELECTED FROM THE GROUP CONSISTING OF ALUMINA, MAGNESIA AND THORIA,
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) | 1955-12-02 | 1956-06-02 | 1956-12-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-12-02 | 1960-06-02 | 1960-12-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-12-02 | 1964-06-02 | 1964-12-02 | $7700.00 | Window Closed / Lapsed |