Patent US3285948A successfully refreshed from Google Patents.
US3285948A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Halides of ruthenium and osmium in conjunction with cobalt and iodine in the production of ethanol from methanol
Assignee: Commercial Solvents Corp
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Filing: 1965-01-22
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Granted: 1966-11-15
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Expires: 1985-01-22
Abstract
No abstract record available.
Inventors
- 👤 George N Butter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 22:41
CPC Classifications
C; C07; C07C; C07C29/00; C07C29/32; C07C45/00; C07C45/49
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
89 words
IN A PROCESS FOR THE SYNTHESIS OF ETHYL ALOCHOL COMPRISING REACTING UNDER PRESSURES OF ABOUT 1,000 TO ABOUT 15,000 P.S.I. AND A TEMPERATURE FROM ABOUT 175 TO 230* C. A MIXTURE CONSISTING ESSENTIALLY OF METHANOL, CARBON MONOXIDE AND HYDROGEN IN THE PRESENCE OF A COBALT-CONTAINING CATALYST SOLUBLE IN THE REACTION MEDIUM AND AN IODINE PROMOTER TO PRODUCE ETHYL ALCOHOL, THE IMPROVEMENT WHICH CONSISTS ESSENTIALLY OF CONDUCTING THE REACTION IN THE PRESENCE OF CATALYTIC AMOUNTS OF A SECONDARY PROMOTER SELECTED FROM THE GROUP CONSISTING OF RUTHENIUM HALIDE AND OSMIUM HALIDE.
Claim 2
Dependent Claim
89 words
IN A PROCESS FOR THE SYNTHESIS OF ETHYL ALOCHOL COMPRISING REACTING UNDER PRESSURES OF ABOUT 1,000 TO ABOUT 15,000 P.S.I. AND A TEMPERATURE FROM ABOUT 175 TO 230* C. A MIXTURE CONSISTING ESSENTIALLY OF METHANOL, CARBON MONOXIDE AND HYDROGEN IN THE PRESENCE OF A COBALT-CONTAINING CATALYST SOLUBLE IN THE REACTION MEDIUM AND AN IODINE PROMOTER TO PRODUCE ETHYL ALCOHOL, THE IMPROVEMENT WHICH CONSISTS ESSENTIALLY OF CONDUCTING THE REACTION IN THE PRESENCE OF CATALYTIC AMOUNTS OF A SECONDARY PROMOTER SELECTED FROM THE GROUP CONSISTING OF RUTHENIUM HALIDE AND OSMIUM HALIDE.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-11-14 | 1970-05-16 | 1970-11-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-14 | 1974-05-16 | 1974-11-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-14 | 1978-05-16 | 1978-11-15 | $7700.00 | Window Closed / Lapsed |