Patent US2651214A successfully refreshed from Google Patents.
US2904485A
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Radiochemical treatment of heavy oils
Assignee: ExxonMobil Technology and Engineering Co
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Filing: 1956-06-21
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Granted: 1959-09-15
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Expires: 1976-06-21
Abstract
No abstract record available.
Inventors
- 👤 Barry L Tarmy
- 👤 Robert B Long
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 23:32
CPC Classifications
C; C10; C10G; C10G32/00; C10G32/04; B; B01; B01J; B01J19/00; B01J19/08; B01J19/081; B01J19/082
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
64 words
A PROCESS FOR PRETREATING A HEAVY PETROLEUM OIL CONTAINING A SUBSTANTIAL PROPORTION OF CONSITITENTS NONVAPORIZABLE AT ATMOSPHERIC PRESSURE WITHOUT CRACKING, WHEREBY THE PROPENSITY OF THE HEAVY PETROLEUM OIL TO FORM STABL EMULSIONS WHEN SUBSEQUENTLY TREATED WITH AN AQUEOUS MEDIUM IS SUBSTANTIALLY REDUCED, WHICH COMPRISES IRRADIATING SAID HEAVY PETROLEUM OIL WITH GAMMA RADIATION TO A TOTAL DOSE IN THE RANGE OF 10 TO 103 MEGA-
Claim 2
Dependent Claim
64 words
A PROCESS FOR PRETREATING A HEAVY PETROLEUM OIL CONTAINING A SUBSTANTIAL PROPORTION OF CONSITITENTS NONVAPORIZABLE AT ATMOSPHERIC PRESSURE WITHOUT CRACKING, WHEREBY THE PROPENSITY OF THE HEAVY PETROLEUM OIL TO FORM STABL EMULSIONS WHEN SUBSEQUENTLY TREATED WITH AN AQUEOUS MEDIUM IS SUBSTANTIALLY REDUCED, WHICH COMPRISES IRRADIATING SAID HEAVY PETROLEUM OIL WITH GAMMA RADIATION TO A TOTAL DOSE IN THE RANGE OF 10 TO 103 MEGA-
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) | 1962-09-14 | 1963-03-16 | 1963-09-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-09-14 | 1967-03-16 | 1967-09-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-09-14 | 1971-03-16 | 1971-09-15 | $7700.00 | Window Closed / Lapsed |