US3586621A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydrocarbon steam reforming,conversion and refining
Assignee: Phillips Petroleum Co
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Filing: 1968-09-03
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Granted: 1971-06-22
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Expires: 1988-09-03
Abstract
Abstract HEAVY HYDROCARBON OILS, RESIDUAL FRACTIONS AND OTHER CARBONACEOUS MATERIALS ARE CONVERTED TO USEFUL LIQUID PRODUCTS BY CONTACTING WITH A NICKEL SPINEL CATLAYST PROMOTED WITH A BARIUM SLAT OF AN ORGANIC ACID.
Inventors
- 👤 Armin C Pitchford
- 👤 Darrell W Walker
- 👤 Marvin M Johnson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 08:44
CPC Classifications
C; C10; C10G; C10G11/00; C10G11/02; C10G11/04; B; B01; B01J; B01J23/00; B01J23/70; B01J23/76; B01J23/78; C01; C01B; C01B3/00; C01B3/02; C01B3/32; C01B3/34; C01B3/38; C01B3/40; C01B2203/00; C01B2203/10; C01B2203/1041; C01B2203/1047; C01B2203/1052; Y; Y02; Y02P; Y02P20/00; Y02P20/50; Y02P20/52
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-06-21 | 1974-12-21 | 1975-06-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-06-21 | 1978-12-21 | 1979-06-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-06-21 | 1982-12-21 | 1983-06-22 | $7700.00 | Window Closed / Lapsed |