US2730487A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Removal of vanadium and/or sodium from petroleum and petroleum products with titania on alumina and hydrofining
Assignee: BP PLC
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Filing: 1953-07-01
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Granted: 1956-01-10
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Expires: 1973-07-01
Abstract
No abstract record available.
Inventors
- 👤 Porter Frederick Willi Bertram
- 👤 Northcott Roy Purdy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 12:08
CPC Classifications
C; C10; C10G; C10G65/00; C10G65/02; C10G65/04; C10G2300/00; C10G2300/10; C10G2300/107
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
62 words
A PROCESS FOR REDUCING THE CONTENT OF VANADIUM AND SODIUM IN A PETROLEUM FEEDSTOCK, COMPRESING CONTACTING THE PETROLEUM FEEDSTOCK WITH A CONTACT MATERIAL CONSISTING ESSENTIALLY OF TITANIA AND ALUMINA, IN THE PRESENCE OF HYDROGEN AT A TEMPERATURE WITH THE RANGE 750*-800* F. AND AT A PRESSURE WITHIN THE RANGE 500-1500 P.S.I. GA. WHEREBY VANADIUM AND SODIUM ARE DEPOSITED ON THE CONTACT MATERIAL.
Claim 2
Dependent Claim
62 words
A PROCESS FOR REDUCING THE CONTENT OF VANADIUM AND SODIUM IN A PETROLEUM FEEDSTOCK, COMPRESING CONTACTING THE PETROLEUM FEEDSTOCK WITH A CONTACT MATERIAL CONSISTING ESSENTIALLY OF TITANIA AND ALUMINA, IN THE PRESENCE OF HYDROGEN AT A TEMPERATURE WITH THE RANGE 750*-800* F. AND AT A PRESSURE WITHIN THE RANGE 500-1500 P.S.I. GA. WHEREBY VANADIUM AND SODIUM ARE DEPOSITED ON THE CONTACT MATERIAL.
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) | 1959-01-09 | 1959-07-11 | 1960-01-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-01-09 | 1963-07-11 | 1964-01-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-01-09 | 1967-07-11 | 1968-01-10 | $7700.00 | Window Closed / Lapsed |