US2689252A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydrocarbon synth esis and catalyst therefor
Assignee: Phillips Petroleum Co
•
Filing: 1949-11-28
•
Granted: 1954-09-14
•
Expires: 1969-11-28
Abstract
No abstract record available.
Inventors
- 👤 Clark Alfred
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 06:41
CPC Classifications
C; C07; C07C; C07C1/00; C07C1/02; C07C1/04; C07C1/0425; C07C1/043; C07C1/0435; C07C1/044; C07C2521/00; C07C2521/02; C07C2521/04; C07C2523/00; C07C2523/02; C07C2523/04; C07C2523/70; C07C2523/74; C07C2523/745; C07C2523/755; C07C2523/76; C07C2523/78
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
71 words
IN THE SYNTHESIS OF HYDROCARBONS AND OXYGENATED DERIVATIVES THEREOF WHEREIN CARBON MONOXIDE AND HYDROGEN ARE REACTED AT AN ELEVATED TEMPERATURE AND PRESSURE IN THE PRESENCE OF A METALLIC IRON HYDROGENATION CATALYST FLUIDIZED IN SAID CARBON MONOXIDE AND HYDROGEN, THE IMPROVEMENT WHICH COMPRISES EMPLOYING WITH SAID IRON HYDROGENATION CATALYST IN A MECHANICAL MIXTURE THEREWITH SEPARATE AND DISCRETE PARTICLES OF FROM 0.5 TO 5.0 WEIGHT PER CENT OF A METALLIC NICKEL HYDROGENATION CATALYST.
Claim 2
Dependent Claim
71 words
IN THE SYNTHESIS OF HYDROCARBONS AND OXYGENATED DERIVATIVES THEREOF WHEREIN CARBON MONOXIDE AND HYDROGEN ARE REACTED AT AN ELEVATED TEMPERATURE AND PRESSURE IN THE PRESENCE OF A METALLIC IRON HYDROGENATION CATALYST FLUIDIZED IN SAID CARBON MONOXIDE AND HYDROGEN, THE IMPROVEMENT WHICH COMPRISES EMPLOYING WITH SAID IRON HYDROGENATION CATALYST IN A MECHANICAL MIXTURE THEREWITH SEPARATE AND DISCRETE PARTICLES OF FROM 0.5 TO 5.0 WEIGHT PER CENT OF A METALLIC NICKEL HYDROGENATION CATALYST.
References Cited (Backward Citations)
US2159367A
Cited
GB507366A
Cited
US2296405A
Cited
GB536843A
Cited
GB534357A
Cited
US2550442A
Cited
US2467861A
Cited
US2553433A
Cited
US2583254A
Cited
US2486243A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-09-13 | 1958-03-15 | 1958-09-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-09-13 | 1962-03-15 | 1962-09-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-09-13 | 1966-03-15 | 1966-09-14 | $7700.00 | Window Closed / Lapsed |