US3262874A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydrorefining of petroleum crude oil and catalyst therefor
Assignee: Universal Oil Products Co
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Filing: 1964-01-29
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Granted: 1966-07-26
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Expires: 1984-01-29
Abstract
No abstract record available.
Inventors
- 👤 John G Gatsis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 07:33
CPC Classifications
C; C10; C10G; C10G45/00; C10G45/02; C10G45/04; C10G45/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
60 words
A PROCESS FOR REMOVING SULFUR AND NITROGEN FROM A HEAVY HYDROCARBON CHARGE STOCK CONTAINING PENTANEINSOLUBLE ASPHALTENES WHICH COMPRISES REACTING SAID CHARGE STOCK WITH HYDROGEN IN THE PRESENCE OF A CATALYST CONTAINING THE DECOMPOSITION PRODUCT OF A MIXTURE OF A HETEROPOLY ACID AND NICKELOUS SULFATE, AND AT CONDITIONS SELECTED TO CONVERT NITROGENOUS AND SULFUROUS COMPOUND INTO HYDROCARBONS AMMONIA AND HYDROGEN SULFIDE.
Claim 2
Dependent Claim
60 words
A PROCESS FOR REMOVING SULFUR AND NITROGEN FROM A HEAVY HYDROCARBON CHARGE STOCK CONTAINING PENTANEINSOLUBLE ASPHALTENES WHICH COMPRISES REACTING SAID CHARGE STOCK WITH HYDROGEN IN THE PRESENCE OF A CATALYST CONTAINING THE DECOMPOSITION PRODUCT OF A MIXTURE OF A HETEROPOLY ACID AND NICKELOUS SULFATE, AND AT CONDITIONS SELECTED TO CONVERT NITROGENOUS AND SULFUROUS COMPOUND INTO HYDROCARBONS AMMONIA AND HYDROGEN SULFIDE.
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) | 1969-07-25 | 1970-01-24 | 1970-07-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-07-25 | 1974-01-24 | 1974-07-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-07-25 | 1978-01-24 | 1978-07-26 | $7700.00 | Window Closed / Lapsed |