US3317420A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydrorefining of petroleum crude oil
Assignee: Universal Oil Products Co
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Filing: 1964-09-25
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Granted: 1967-05-02
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Expires: 1984-09-25
Abstract
No abstract record available.
Inventors
- 👤 John G Gatsis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 01:31
CPC Classifications
C; C10; C10G; C10G45/00; C10G45/02; C10G45/14; C10G45/16; C10G2300/00; C10G2300/10; C10G2300/107
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
61 words
A PROCESS FOR HYDROREFINING A HYDROCARBON CHARGE STOCK WHICH COMPRISES COLLOIDALLY DISPERSING IN SAID CHARGE STOCK A TIN SALT SELECTED FROM THE GROUP CONSISTING OF HALIDES, SULFATES, SALTS OF FATTY ACIDS AND SALTS OF AROMATIC ACIDS, REACTING THE RESULTING MIXTURE WITH HYDROGEN AT A TEMPERATURE ABOVE 225*C., REMOVING A METAL-CONTAINING SLUDGE FROM THE REACTION EFFLUENT AND RECOVERING A HYDROREFINED LIQUID PRODUCT.
Claim 2
Dependent Claim
61 words
A PROCESS FOR HYDROREFINING A HYDROCARBON CHARGE STOCK WHICH COMPRISES COLLOIDALLY DISPERSING IN SAID CHARGE STOCK A TIN SALT SELECTED FROM THE GROUP CONSISTING OF HALIDES, SULFATES, SALTS OF FATTY ACIDS AND SALTS OF AROMATIC ACIDS, REACTING THE RESULTING MIXTURE WITH HYDROGEN AT A TEMPERATURE ABOVE 225*C., REMOVING A METAL-CONTAINING SLUDGE FROM THE REACTION EFFLUENT AND RECOVERING A HYDROREFINED LIQUID PRODUCT.
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) | 1970-05-01 | 1970-10-31 | 1971-05-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-05-01 | 1974-10-31 | 1975-05-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-05-01 | 1978-10-31 | 1979-05-02 | $7700.00 | Window Closed / Lapsed |