US3105038A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for removing metal contaminants from petroleum oil
Assignee: Pure Oil Co
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Filing: 1961-06-09
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Granted: 1963-09-24
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Expires: 1981-06-09
Abstract
No abstract record available.
Inventors
- 👤 George W Ayers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 14:31
CPC Classifications
C; C10; C10G; C10G25/00; C10G25/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
98 words
A PROCESS FOR REMOVING METAL CONTAMINANTS FROM A PETROLEUM OIL CONTANING SAID SHICH COMPRISES CONTACTING A PETROLEUM OIL CONTANING A METAL TAKEN FROM THE GROUP CONSISTING OF NICKEL AND VANADIUM IN THE FORM OF A PORPHYRIN COMPLEX WITH A RESIN TAKEN FROM THE GROUP CONSISTING OF SULFONATED POLYSTYRENE RESIN AND SULFONATED POLYSTYRENE-DIVINYLBENZENE RESIN, SAID RESIN HAVING A MOLECULAR WEIGHT OF AT LEAST ABOUT 500,000, AND SAID CONTACTING BEING CARRIED OUT AT A TEMPERATURE OF ABOUT 250* TO 400*F. FOR A PERIOD OF TIME SUFFICIENT TO RESULT IN A SUBSTANTIAL REDUCTION IN THE METAL-PORPHYRINE COMPLEX CONTENT OF THE OIL.
Claim 2
Dependent Claim
98 words
A PROCESS FOR REMOVING METAL CONTAMINANTS FROM A PETROLEUM OIL CONTANING SAID SHICH COMPRISES CONTACTING A PETROLEUM OIL CONTANING A METAL TAKEN FROM THE GROUP CONSISTING OF NICKEL AND VANADIUM IN THE FORM OF A PORPHYRIN COMPLEX WITH A RESIN TAKEN FROM THE GROUP CONSISTING OF SULFONATED POLYSTYRENE RESIN AND SULFONATED POLYSTYRENE-DIVINYLBENZENE RESIN, SAID RESIN HAVING A MOLECULAR WEIGHT OF AT LEAST ABOUT 500,000, AND SAID CONTACTING BEING CARRIED OUT AT A TEMPERATURE OF ABOUT 250* TO 400*F. FOR A PERIOD OF TIME SUFFICIENT TO RESULT IN A SUBSTANTIAL REDUCTION IN THE METAL-PORPHYRINE COMPLEX CONTENT OF THE OIL.
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) | 1966-09-23 | 1967-03-25 | 1967-09-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-09-23 | 1971-03-25 | 1971-09-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-09-23 | 1975-03-25 | 1975-09-24 | $7700.00 | Window Closed / Lapsed |