US2870084A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of aromatizing a naphtha with an alumina-chromia-platinum catalyst
Assignee: Standard Oil Co
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Filing: 1952-10-08
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Granted: 1959-01-20
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Expires: 1972-10-08
Abstract
No abstract record available.
Inventors
- 👤 Harold A Strecker
- 👤 Harrison M Stine
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 13:36
CPC Classifications
C; C10; C10G; C10G35/00; C10G35/04; C10G35/06; C10G35/085; C10G35/09; B; B01; B01J; B01J23/00; B01J23/38; B01J23/54; B01J23/56; B01J23/64; B01J23/652; B01J23/6522
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
104 words
A PROCESS FOR CATALYTICALLY REFORMING PETROLEUM NAPHTHA WHICH COMPRISES CONTACTING SAID NAPHTHA AT A TEMPERATURE IN THE RANGE OF ABOUT 800 TO 1200*F. AT A TOTAL PRESSURE OF ABOUT 10 TO 80 P. S. O. ABSOLUTE WITH PARTIAL PRESSURE OF ABOUT 0 TO 100 P. S. I. G. AT A HYDROGEN A CO-OPRECIPITATED ALUMINA-CHROMIA CATALYST HAVING 70 TO 82 MOL PERCENT ALUMINA, HAVING 30 TO 18 MOL PERCENT CHROMIA, AND CONTAINING AS THIRD COMPONENT AN OXIDE SELECTED FROM THE GROUP CONSISTING OF PLATINUM OXIDE AND PALLADIUM OXIDE IN THE PROPORTIONS OF ABOUT 0.001 TO 1.0 MOL PERCENT BASED ON THE WEIGHT OF THE CATALYST.
Claim 2
Dependent Claim
104 words
A PROCESS FOR CATALYTICALLY REFORMING PETROLEUM NAPHTHA WHICH COMPRISES CONTACTING SAID NAPHTHA AT A TEMPERATURE IN THE RANGE OF ABOUT 800 TO 1200*F. AT A TOTAL PRESSURE OF ABOUT 10 TO 80 P. S. O. ABSOLUTE WITH PARTIAL PRESSURE OF ABOUT 0 TO 100 P. S. I. G. AT A HYDROGEN A CO-OPRECIPITATED ALUMINA-CHROMIA CATALYST HAVING 70 TO 82 MOL PERCENT ALUMINA, HAVING 30 TO 18 MOL PERCENT CHROMIA, AND CONTAINING AS THIRD COMPONENT AN OXIDE SELECTED FROM THE GROUP CONSISTING OF PLATINUM OXIDE AND PALLADIUM OXIDE IN THE PROPORTIONS OF ABOUT 0.001 TO 1.0 MOL PERCENT BASED ON THE WEIGHT OF THE CATALYST.
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 |