US2813114A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Oxidation of hydrocarbons and oxygen carrier therefor
Assignee: Standard Oil Co
•
Filing: 1954-01-27
•
Granted: 1957-11-12
•
Expires: 1974-01-27
Abstract
No abstract record available.
Inventors
- 👤 Everett C Hughes
- 👤 Harold A Strecker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 06:46
CPC Classifications
B; B01; B01J; B01J23/00; B01J23/16; B01J23/24; B01J23/26; C; C10; C10G; C10G11/00; C10G11/20; C10G11/22; Y; Y10; Y10S; Y10S585/00; Y10S585/8995; Y10S585/901
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
118 words
IN A PROCESS FOR THE OXIDATIVE REFORMING OF HYDROCARBONS, THE STEPS OF HEATING TO A REFORMING TEMPERATURE WITHIN THE RANGE OF 300 TO 950*F., MATERIALS CONSISTING ESSENTIALLY OF A HYDROCARBON AND AN OXYGEN CARRIER COMPRISING A PREFORMING SILICA GEL IMPREGNATED WITH CHROMIUM TRIOXIDE, THE AMOUNT OF CHROMIUM TRIOXIDE NOT EXCEEDING ABOUT 25% BY WEIGHT OF THE OXYGEN CARRIER, THEREBY REDUCING THE CHROMIUM TRIOXIDE TO A LOWER OXIDE DOWN TO BUT NOT INCLUDING CHROMIC OXIDE AND REFORMING THE HYDROCARBON BY THE FORMATION OF OXIDIZED PRODUCTS OLEFINS, AND AROMATICS; RECOVERING THE REFORMED HYDROCARBONS; AND REOXIDIZING THE REDUCED CHROMIUM OXIDE TO CHROMIUM TRIOXIDE BY HEATING IN THE PRESENCE OF AN OXYGEN-CONTAINING GAS AT A TEMPERATURE OF FROM ABOUT 600 TO 800*F.
Claim 2
Dependent Claim
118 words
IN A PROCESS FOR THE OXIDATIVE REFORMING OF HYDROCARBONS, THE STEPS OF HEATING TO A REFORMING TEMPERATURE WITHIN THE RANGE OF 300 TO 950*F., MATERIALS CONSISTING ESSENTIALLY OF A HYDROCARBON AND AN OXYGEN CARRIER COMPRISING A PREFORMING SILICA GEL IMPREGNATED WITH CHROMIUM TRIOXIDE, THE AMOUNT OF CHROMIUM TRIOXIDE NOT EXCEEDING ABOUT 25% BY WEIGHT OF THE OXYGEN CARRIER, THEREBY REDUCING THE CHROMIUM TRIOXIDE TO A LOWER OXIDE DOWN TO BUT NOT INCLUDING CHROMIC OXIDE AND REFORMING THE HYDROCARBON BY THE FORMATION OF OXIDIZED PRODUCTS OLEFINS, AND AROMATICS; RECOVERING THE REFORMED HYDROCARBONS; AND REOXIDIZING THE REDUCED CHROMIUM OXIDE TO CHROMIUM TRIOXIDE BY HEATING IN THE PRESENCE OF AN OXYGEN-CONTAINING GAS AT A TEMPERATURE OF FROM ABOUT 600 TO 800*F.
References Cited (Backward Citations)
US2351793A
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US1836325A
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US2366372A
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US2371087A
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US2658858A
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US2718535A
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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) | 1960-11-11 | 1961-05-13 | 1961-11-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-11-11 | 1965-05-13 | 1965-11-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-11-11 | 1969-05-13 | 1969-11-12 | $7700.00 | Window Closed / Lapsed |