Patent US2540599A successfully refreshed from Google Patents.
US2540599A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Catalyst for the synthesis of hydrocarbons
Assignee: Standard Oil Development Co
•
Filing: 1946-11-09
•
Granted: 1951-02-06
•
Expires: 1966-11-09
Abstract
No abstract record available.
Inventors
- 👤 Marnell A Segura
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 22:12
CPC Classifications
B; B01; B01J; B01J23/00; B01J23/70; B01J23/76; B01J23/78; B01J23/74; B01J37/00; B01J37/0009; B01J37/0018
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
82 words
IN A HYDROCARBON SYNTHESIS PROCESS WHEREIN FEED GASES CONTAINING CARBON MONOXIDE AND HYDROGEN ARE CONTACTED UNDER SYNTHESIS CONDITIONS IN A SYNTHESIS ZONE WITH A CATALYST CONSISTING ESSENTIALLY OF IRON PARTICLES, THE IMPROVEMENT IN THE OPERATION TENDING TO RETARD THE FRAGMENTATION OF THE CATALYST CAUSED BY FORCES ACCOMPANYING THE DEPOSITION OF CARBONACEOUS MATERIAL THEREON WHICH COMPRISES CONTACTING THE SAID FEED GASES WITH THE SAID IRON PARTICLES BONDED TOGETHER BY AN ORGANIC THERMOSETTING RESINOUS MATERIAL TO FORM A CATALYST BODY RESISTANT TO SAID FRAGMENTATION.
Claim 2
Dependent Claim
82 words
IN A HYDROCARBON SYNTHESIS PROCESS WHEREIN FEED GASES CONTAINING CARBON MONOXIDE AND HYDROGEN ARE CONTACTED UNDER SYNTHESIS CONDITIONS IN A SYNTHESIS ZONE WITH A CATALYST CONSISTING ESSENTIALLY OF IRON PARTICLES, THE IMPROVEMENT IN THE OPERATION TENDING TO RETARD THE FRAGMENTATION OF THE CATALYST CAUSED BY FORCES ACCOMPANYING THE DEPOSITION OF CARBONACEOUS MATERIAL THEREON WHICH COMPRISES CONTACTING THE SAID FEED GASES WITH THE SAID IRON PARTICLES BONDED TOGETHER BY AN ORGANIC THERMOSETTING RESINOUS MATERIAL TO FORM A CATALYST BODY RESISTANT TO SAID FRAGMENTATION.
References Cited (Backward Citations)
US1226620A
Cited
US1369013A
Cited
US1801382A
Cited
US2244196A
Cited
US2257293A
Cited
US2284468A
Cited
US2350759A
Cited
US2396629A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-02-05 | 1954-08-07 | 1955-02-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-02-05 | 1958-08-07 | 1959-02-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-02-05 | 1962-08-07 | 1963-02-06 | $7700.00 | Window Closed / Lapsed |