US2537699A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnetite containing catalyst for the synthesis of hydrocarbons
Assignee: Standard Oil Development Co
•
Filing: 1946-09-12
•
Granted: 1951-01-09
•
Expires: 1966-09-12
Abstract
No abstract record available.
Inventors
- 👤 Jerry A Pierce
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 22:09
CPC Classifications
C; C07; C07C; C07C1/00; C07C1/02; C07C1/04; C07C1/0425; C07C1/0445; B; B01; B01J; B01J23/00; B01J23/70; B01J23/74; B01J23/745; B01J23/76; B01J23/78; B01J23/84; B01J23/889; B01J23/8892; B01J37/00; B01J37/04; C07C2521/00; C07C2521/02; C07C2521/04; C07C2523/00; C07C2523/02; C07C2523/04; C07C2523/70; C07C2523/74; C07C2523/745
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
90 words
THE METHOD OF FORMING HYDROCARBONS AND OXYGENATED HYDROCARBONS SYNTHETICALLY WHICH COMPRISES REACTING CARBON MONOXIDE AND HYDROGEN IN THE PRESENCE OF A CATALYST CONSISTING ESSENTIALLY OF ALUMINA, IRON METAL AND MAGNETITE FORMED BY REACTING IRON OXIDE WITH ABOUT ONEHALF OF ITS STOICHIOMETRIC WEIGHT OF POWDERED ALUMINUM BY A REACTION WHEREIN AT LEAST A PORTION OF THE HEAT REQUIREMENTS ARE SUPPLIED FROM AN EXTERNAL SOURCE, AT ELEVATED TEMPERATURES AND PRESSURES, AND THEREAFTER GRINDING THE PRODUCT TO A POWDER, THE CATALYST BEING IN THE FORM OF A FLUIDIZED MASS IN THE REACTION ZONE.
Claim 2
Independent Claim
90 words
THE METHOD OF FORMING HYDROCARBONS AND OXYGENATED HYDROCARBONS SYNTHETICALLY WHICH COMPRISES REACTING CARBON MONOXIDE AND HYDROGEN IN THE PRESENCE OF A CATALYST CONSISTING ESSENTIALLY OF ALUMINA, IRON METAL AND MAGNETITE FORMED BY REACTING IRON OXIDE WITH ABOUT ONEHALF OF ITS STOICHIOMETRIC WEIGHT OF POWDERED ALUMINUM BY A REACTION WHEREIN AT LEAST A PORTION OF THE HEAT REQUIREMENTS ARE SUPPLIED FROM AN EXTERNAL SOURCE, AT ELEVATED TEMPERATURES AND PRESSURES, AND THEREAFTER GRINDING THE PRODUCT TO A POWDER, THE CATALYST BEING IN THE FORM OF A FLUIDIZED MASS IN THE REACTION ZONE.
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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) | 1954-01-08 | 1954-07-10 | 1955-01-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-01-08 | 1958-07-10 | 1959-01-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-01-08 | 1962-07-10 | 1963-01-09 | $7700.00 | Window Closed / Lapsed |