Patent US4803492A successfully refreshed from Google Patents.
Patent US2953509A successfully refreshed from Google Patents.
US2953509A
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Catalytic conversion of petroleum
Assignee: Union Carbide Corp
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Filing: 1955-07-28
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Granted: 1960-09-20
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Expires: 1975-07-28
Abstract
No abstract record available.
Inventors
- 👤 Simon L Ruskin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 21:29
CPC Classifications
C; C10; C10G; C10G35/00; C10G35/16; B; B01; B01J; B01J37/00; B01J37/34; C07; C07C; C07C45/00; C07C45/45; C07C45/46; C09; C09B; C09B41/00; Y; Y10; Y10S; Y10S204/00; Y10S204/90
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
54 words
A PROCESS FOR TREATING PETROLEUM WHICH COMPRISES GAMMA IRRADIATING THE PETROLEUM WITH ABOUT 100 MILLION ROENTGENS FROM A COBALT 60 BOMB IN THE PRESENCE OF A CATALYST SELECTED FROM THE GROUP CONSISTING OF PLATINUM OXIDE, PALLADIUM CHLORIDE, VANADIUM PENTOXIDE AND LEAD OXIDE, WHEREBY BOTH THE VISCOSITY AND BOILING RANGE OF SAID PETROLEUM ARE LOWERED.
Claim 2
Dependent Claim
54 words
A PROCESS FOR TREATING PETROLEUM WHICH COMPRISES GAMMA IRRADIATING THE PETROLEUM WITH ABOUT 100 MILLION ROENTGENS FROM A COBALT 60 BOMB IN THE PRESENCE OF A CATALYST SELECTED FROM THE GROUP CONSISTING OF PLATINUM OXIDE, PALLADIUM CHLORIDE, VANADIUM PENTOXIDE AND LEAD OXIDE, WHEREBY BOTH THE VISCOSITY AND BOILING RANGE OF SAID PETROLEUM ARE LOWERED.
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) | 1963-09-20 | 1964-03-21 | 1964-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-09-20 | 1968-03-21 | 1968-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-09-20 | 1972-03-21 | 1972-09-20 | $7700.00 | Window Closed / Lapsed |