Patent US2756182A successfully refreshed from Google Patents.
US2756182A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Desulfurization of hydrocarbons with an iron group carbonyl impregnated on an adsorbent
Assignee: ExxonMobil Technology and Engineering Co
•
Filing: 1955-01-12
•
Granted: 1956-07-24
•
Expires: 1975-01-12
Abstract
No abstract record available.
Inventors
- 👤 Jr Charles Newton Kimberlin
- 👤 Mason Ralph Burgess
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 06:15
CPC Classifications
C; C10; C10G; C10G25/00; C10G29/00; C10G29/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
112 words
THE METHOD OF DESULFURIZING A SULFUR-CONTAINING MIXTURE OF HYDROCARBONS WHICH COMPRISES CONTACTING THE MIXTURE IN A TREATING ZONE WITH AN IRON GROUP METAL CARBONYL IN THE PRESENCE OF A PARTICULATE SOLID OF LARGE SURFACE AREA AND AT A PRESSURE AND TEMPERATURE ADAPTED TO DECOMPOSE THE METAL CARBONYL INTO THE METAL ITSELF AND CARBON MONOXIDE, MAINTAINING SAID HYDROCARBON MIXTURE AND SAID METAL CARBONYL WITHIN THE TREATING ZONE FOR A PERIOD OF ABOUT 0.5 TO 5 HOURS, THE TOTAL AMOUNT OF SAID METAL CARBONYL BEING SUFFICIENT TO PROVIDE AT LEAST 1 MOL OF SAID METAL PER MOL OF SULFUR THAT IS INTRODUCED WITHIN THE ZONE, AND WITHDRAWING THE DESULFURIZED HYDROCARBON MIXTURE FROM THE ZONE.
Claim 2
Independent Claim
112 words
THE METHOD OF DESULFURIZING A SULFUR-CONTAINING MIXTURE OF HYDROCARBONS WHICH COMPRISES CONTACTING THE MIXTURE IN A TREATING ZONE WITH AN IRON GROUP METAL CARBONYL IN THE PRESENCE OF A PARTICULATE SOLID OF LARGE SURFACE AREA AND AT A PRESSURE AND TEMPERATURE ADAPTED TO DECOMPOSE THE METAL CARBONYL INTO THE METAL ITSELF AND CARBON MONOXIDE, MAINTAINING SAID HYDROCARBON MIXTURE AND SAID METAL CARBONYL WITHIN THE TREATING ZONE FOR A PERIOD OF ABOUT 0.5 TO 5 HOURS, THE TOTAL AMOUNT OF SAID METAL CARBONYL BEING SUFFICIENT TO PROVIDE AT LEAST 1 MOL OF SAID METAL PER MOL OF SULFUR THAT IS INTRODUCED WITHIN THE ZONE, AND WITHDRAWING THE DESULFURIZED HYDROCARBON MIXTURE FROM THE ZONE.
References Cited (Backward Citations)
US809087A
Cited
US1882000A
Cited
US1822351A
Cited
US1674796A
Cited
US1944170A
Cited
US2306933A
Cited
US2533071A
Cited
US2647857A
Cited
US2615831A
Cited
US2636841A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-07-24 | 1960-01-23 | 1960-07-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-07-24 | 1964-01-23 | 1964-07-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-07-24 | 1968-01-23 | 1968-07-24 | $7700.00 | Window Closed / Lapsed |