US2849383A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Catalytic composition and hydrocarbon conversion therewith
Assignee: Sunoco Inc
•
Filing: 1955-10-13
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Granted: 1958-08-26
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Expires: 1975-10-13
Abstract
No abstract record available.
Inventors
- 👤 Alfred E Hirschler
- 👤 Schneider Abraham
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 21:34
CPC Classifications
C; C10; C10G; C10G11/00; C10G11/02; C10G11/04; B; B01; B01J; B01J21/00; B01J21/16; B01J23/00; B01J23/16; B01J23/24; B01J23/26
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
113 words
PROCESS FOR CONVERTING THE HYDROCARBONS OF A RELATIVELY HIGH BOILING PETROLEUM FRACTION TO LOWER BOILING HYDROCARBONS WHICH COMPRISES CONTACTING SAID HIGH BOILING HYDROCARBONS, AT A CRACKING TEMPERATURE OF FROM 450*C. TO 540*C., WITH A CATALYTIC COMPOSITION PREPARED BY INCORPORATING FROM 2.9% BY WEIGHT TO 11% BY WEIGHT OF AN OXIDE SELECTED FROM THE GROUP CONSISTING OF CHROMIUM OXIDE, VANADIUM OXIDE, MOLYBDENUM OXIDE AND TUNGSTEN OXIDE ON A SYNTHETIC SILICEOUS CRACKING CATALYST AND SUBJECTING THE RESULTING COMPOSITION TO CONTACT WITH STEAM AT A TEMPERATURE OF FROM ABOUT 600*C. TO 800*C. FOR FROM ABOUT 1 HOUR TO 8 HOURS, WHEREBY THE HYDROCARBONS OF THE RELATIVELY HIGH BOILING PETROLEUM FRACTION ARE CONVERTED TO LOWER BOILING HYDROCARBONS.
Claim 2
Dependent Claim
113 words
PROCESS FOR CONVERTING THE HYDROCARBONS OF A RELATIVELY HIGH BOILING PETROLEUM FRACTION TO LOWER BOILING HYDROCARBONS WHICH COMPRISES CONTACTING SAID HIGH BOILING HYDROCARBONS, AT A CRACKING TEMPERATURE OF FROM 450*C. TO 540*C., WITH A CATALYTIC COMPOSITION PREPARED BY INCORPORATING FROM 2.9% BY WEIGHT TO 11% BY WEIGHT OF AN OXIDE SELECTED FROM THE GROUP CONSISTING OF CHROMIUM OXIDE, VANADIUM OXIDE, MOLYBDENUM OXIDE AND TUNGSTEN OXIDE ON A SYNTHETIC SILICEOUS CRACKING CATALYST AND SUBJECTING THE RESULTING COMPOSITION TO CONTACT WITH STEAM AT A TEMPERATURE OF FROM ABOUT 600*C. TO 800*C. FOR FROM ABOUT 1 HOUR TO 8 HOURS, WHEREBY THE HYDROCARBONS OF THE RELATIVELY HIGH BOILING PETROLEUM FRACTION ARE CONVERTED TO LOWER BOILING HYDROCARBONS.
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) | 1961-08-25 | 1962-02-24 | 1962-08-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-08-25 | 1966-02-24 | 1966-08-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-08-25 | 1970-02-24 | 1970-08-26 | $7700.00 | Window Closed / Lapsed |