US2539847A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Synthesis of organic compounds
Assignee: MW Kellogg Co
•
Filing: 1947-06-25
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Granted: 1951-01-30
•
Expires: 1967-06-25
Abstract
No abstract record available.
Inventors
- 👤 Henry G Mcgrath
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 08:54
CPC Classifications
C; C07; C07C; C07C29/00; C07C29/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
143 words
A PROCESS FOR THE HYDROGENATION OF CARBON MONOXIDE TO PRODUCE A RELATIVELY HIGH YIELD OF OXYGENATED ORGANIC COMPOUNDS WHICH COMPRISES FLOWING A GASEOUS MIXTURE COMPRISING HYDROGEN AND CARBON MONOXIDE AS THE PRINCIPAL REACTANTS IN A REACTION ZONE THROUGH A MASS OF FINELY-DIVIDED CONTACT MATERIAL CONSISTING ESSENTIALLY BY WEIGHT OF ONE PART COBALT PROMOTED WITH ABOUT 0.05 TO ABOUT 0.5 PART THORIA AND SUPPORTED ON ABOUT 0.5 TO ABOUT 3 PARTS ACID TREATED BENTONITE, PASSING SAID GASEOUS MIXTURE THROUGH SAID MASS AT A VELOCITY EFFECTIVE TO SUSPEND SAID MASS IN SAID GASEOUS NIXTURE MAINTAINING A TEMPERATURE OF REACTION BETWEEN ABOUT 350 AND BABOUT 450* F., A REACTION PRESSURE BETWEEN ABOUT 150 AND ABOUT 300 POUNDS PER SQUARE INCH GAGE AND A CARBON DIOXIDE CONCENTRATION OF SAID GASEOUS FEED MIXTURE LESS THAN ABOUT TWO PER CENT, WITHDRAWING A GASEOUS EFFLUENT FROM SAID REACTION ZONE, RE-
Claim 2
Dependent Claim
143 words
A PROCESS FOR THE HYDROGENATION OF CARBON MONOXIDE TO PRODUCE A RELATIVELY HIGH YIELD OF OXYGENATED ORGANIC COMPOUNDS WHICH COMPRISES FLOWING A GASEOUS MIXTURE COMPRISING HYDROGEN AND CARBON MONOXIDE AS THE PRINCIPAL REACTANTS IN A REACTION ZONE THROUGH A MASS OF FINELY-DIVIDED CONTACT MATERIAL CONSISTING ESSENTIALLY BY WEIGHT OF ONE PART COBALT PROMOTED WITH ABOUT 0.05 TO ABOUT 0.5 PART THORIA AND SUPPORTED ON ABOUT 0.5 TO ABOUT 3 PARTS ACID TREATED BENTONITE, PASSING SAID GASEOUS MIXTURE THROUGH SAID MASS AT A VELOCITY EFFECTIVE TO SUSPEND SAID MASS IN SAID GASEOUS NIXTURE MAINTAINING A TEMPERATURE OF REACTION BETWEEN ABOUT 350 AND BABOUT 450* F., A REACTION PRESSURE BETWEEN ABOUT 150 AND ABOUT 300 POUNDS PER SQUARE INCH GAGE AND A CARBON DIOXIDE CONCENTRATION OF SAID GASEOUS FEED MIXTURE LESS THAN ABOUT TWO PER CENT, WITHDRAWING A GASEOUS EFFLUENT FROM SAID REACTION ZONE, RE-
References Cited (Backward Citations)
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US2398899A
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US2381709A
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US2433614A
Cited
US2447505A
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US2417164A
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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) | 1954-01-29 | 1954-07-31 | 1955-01-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-01-29 | 1958-07-31 | 1959-01-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-01-29 | 1962-07-31 | 1963-01-30 | $7700.00 | Window Closed / Lapsed |