US2500516A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydrocarbon synthesis
Assignee: Standard Oil Co
•
Filing: 1944-12-21
•
Granted: 1950-03-14
•
Expires: 1964-12-21
Abstract
No abstract record available.
Inventors
- 👤 Morris T Carpenter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 00:52
CPC Classifications
C; C07; C07C; C07C1/00; C07C1/02; C07C1/04; C07C1/0485; Y; Y10; Y10S; Y10S585/00; Y10S585/909; Y10S585/911
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
115 words
A METHOD OF CONDUCTING EXOTHERMIC GAS REACTIONS IN THE PRESENCE OF SOLID CATALYST OF SMALL PARTICLE SIZE WHICH METHOD COMPRISES; SUPPORTING EACH OF A MULTIPLICITY OF SEPARATELY CONFINED VERTICALLY EXTENDING CATALYST MASSES OF SMALL CROSS-SECTIONAL AREA AND SUFFICIENT LENGTH TO PROVIDE SUBSTANTIAL GAS REACTION AND PRODUCT GAS FORMATION ABOVE A GAS PERVIOUS CATALYST BARRIER; MERGING A SUPERPOSED BODY OF THE CATALYST WITH THE SEPARATELY CONFINED CATALYST MASSES; FLOWING UNIFORM STREAMS OF REACTANT GASES UPWARDLY THROUGH SAID CATALYST SUPPORTING BARRIER AND THROUGH EACH OF SAID SEPARETELY CONFINED MASSES OF CATALYST UNDER CONVERSION CONDITIONS AND AT SUCH VELOCITY AS TO MAINTAIN THE CATALYST MASSES AND SUPERPOSED CATALYST BODY IN A TURBULENT SUSPENDED DENSE PHASE; COMMINGLING THE PRODUCT
Claim 2
Independent Claim
115 words
A METHOD OF CONDUCTING EXOTHERMIC GAS REACTIONS IN THE PRESENCE OF SOLID CATALYST OF SMALL PARTICLE SIZE WHICH METHOD COMPRISES; SUPPORTING EACH OF A MULTIPLICITY OF SEPARATELY CONFINED VERTICALLY EXTENDING CATALYST MASSES OF SMALL CROSS-SECTIONAL AREA AND SUFFICIENT LENGTH TO PROVIDE SUBSTANTIAL GAS REACTION AND PRODUCT GAS FORMATION ABOVE A GAS PERVIOUS CATALYST BARRIER; MERGING A SUPERPOSED BODY OF THE CATALYST WITH THE SEPARATELY CONFINED CATALYST MASSES; FLOWING UNIFORM STREAMS OF REACTANT GASES UPWARDLY THROUGH SAID CATALYST SUPPORTING BARRIER AND THROUGH EACH OF SAID SEPARETELY CONFINED MASSES OF CATALYST UNDER CONVERSION CONDITIONS AND AT SUCH VELOCITY AS TO MAINTAIN THE CATALYST MASSES AND SUPERPOSED CATALYST BODY IN A TURBULENT SUSPENDED DENSE PHASE; COMMINGLING THE PRODUCT
References Cited (Backward Citations)
US1845058A
Cited
US1984380A
Cited
US1982099A
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US2224049A
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US2238766A
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US2298593A
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US2266161A
Cited
US2360787A
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US2337684A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-03-13 | 1953-09-12 | 1954-03-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-03-13 | 1957-09-12 | 1958-03-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-03-13 | 1961-09-12 | 1962-03-14 | $7700.00 | Window Closed / Lapsed |