US2668142A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reforming process and catalysts
Assignee: Standard Oil Co
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Filing: 1952-02-06
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Granted: 1954-02-02
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Expires: 1972-02-06
Abstract
No abstract record available.
Inventors
- 👤 Harold A Strecker
- 👤 Harrison M Stine
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 08:15
CPC Classifications
B; B01; B01J; B01J23/00; B01J23/38; B01J23/54; B01J23/56; B01J23/64; B01J23/652; B01J23/6522; B01J23/16; B01J23/24; B01J23/26; C; C10; C10G; C10G35/00; C10G35/04; C10G35/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
74 words
A PROCESS FOR REFORMING PETROLEUM FRACTIONS WHICH COMPRISES CONTACTING SAID FRACTIONS UNDER REFORMING CONDITIONS WITH A REFORMING CATALYST CONTAINING BETWEEN 10 AND 30 MOL PER CENT CHROMIA, BETWEEN 50 AND 60 MOL PER CENT ALUMINA AND BETWEEN 1 AND 30 MOL PER CENT ANTIMONY OXIDE AND A MINOR AMOUNT BETWEEN 0.1 AND 5.0 MOL PER CENT OF A METAL OXIDE OF A METAL FROM THE GROUP CONSISTING OF GALLIUM, CADMIUM, THORIUM, ZIRCONIUM AND IRIDIUM.
Claim 2
Dependent Claim
74 words
A PROCESS FOR REFORMING PETROLEUM FRACTIONS WHICH COMPRISES CONTACTING SAID FRACTIONS UNDER REFORMING CONDITIONS WITH A REFORMING CATALYST CONTAINING BETWEEN 10 AND 30 MOL PER CENT CHROMIA, BETWEEN 50 AND 60 MOL PER CENT ALUMINA AND BETWEEN 1 AND 30 MOL PER CENT ANTIMONY OXIDE AND A MINOR AMOUNT BETWEEN 0.1 AND 5.0 MOL PER CENT OF A METAL OXIDE OF A METAL FROM THE GROUP CONSISTING OF GALLIUM, CADMIUM, THORIUM, ZIRCONIUM AND IRIDIUM.
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) | 1957-02-01 | 1957-08-03 | 1958-02-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-02-01 | 1961-08-03 | 1962-02-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-02-01 | 1965-08-03 | 1966-02-02 | $7700.00 | Window Closed / Lapsed |