Patent US3050562A successfully refreshed from Google Patents.
US3050562A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Oxo synthesis and catalysts therefor
Assignee: Ethyl Corp
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Filing: 1961-06-01
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Granted: 1962-08-21
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Expires: 1981-06-01
Abstract
No abstract record available.
Inventors
- 👤 Oskar E H Klopfer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 19:49
CPC Classifications
C; C07; C07C; C07C45/00; C07C45/49; C07C45/50
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
42 words
IN A PROCESS WHICH COMPRISES THE REACTION OF OLEFINS WITH A MIXTURE OF CARBON MONOXIDE AND HYDROGEN AT ELEVATED TEMPERATURE AND PRESSURE, THE IMPROVEMENT OF CONDUCTING SAID REACTION IN THE PRESENCE OF A CATALYTIC QUANTITY OF A MANGANESE POLYCARBONYL OF THE FORMULA
Claim 2
Dependent Claim
42 words
IN A PROCESS WHICH COMPRISES THE REACTION OF OLEFINS WITH A MIXTURE OF CARBON MONOXIDE AND HYDROGEN AT ELEVATED TEMPERATURE AND PRESSURE, THE IMPROVEMENT OF CONDUCTING SAID REACTION IN THE PRESENCE OF A CATALYTIC QUANTITY OF A MANGANESE POLYCARBONYL OF THE FORMULA
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-08-20 | 1966-02-19 | 1966-08-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-08-20 | 1970-02-19 | 1970-08-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-08-20 | 1974-02-19 | 1974-08-21 | $7700.00 | Window Closed / Lapsed |