Patent US4899487A successfully refreshed from Google Patents.
Patent US2564104A successfully refreshed from Google Patents.
US2564104A
Expired / Lapsed
US
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Process for reacting olefinic compounds with carbon monoxide and hydrogen
Assignee: EIDP Inc
•
Filing: 1945-06-07
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Granted: 1951-08-14
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Expires: 1965-06-07
Abstract
No abstract record available.
Inventors
- 👤 William F Gresham
- 👤 Mcalevy Ambrose
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 14:16
CPC Classifications
C; C07; C07C; C07C45/00; C07C45/49; C07C45/50
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
51 words
A PROCESS FOR PREPARING OXYGEN-CONTAINING COMPOUNDS WHICH COMPRISES REACTING AN UNSATURATED COMPOUND CONTAINING OLEFINIC UNSATURATION SIMULTANEOUSLY WITH CARBON MONOXIDE AND HYDROGEN IN THE PRESENCE OF AN INERT REACTION MEDIUM HAVING DISSOLVED THEREIN A CATALYST CONSISTING OF A SALT OF AN ELEMENT HAVING AN ATOMIC NUMBER OF FROM 27 TO 29 INCLUSIVE.
Claim 2
Dependent Claim
51 words
A PROCESS FOR PREPARING OXYGEN-CONTAINING COMPOUNDS WHICH COMPRISES REACTING AN UNSATURATED COMPOUND CONTAINING OLEFINIC UNSATURATION SIMULTANEOUSLY WITH CARBON MONOXIDE AND HYDROGEN IN THE PRESENCE OF AN INERT REACTION MEDIUM HAVING DISSOLVED THEREIN A CATALYST CONSISTING OF A SALT OF AN ELEMENT HAVING AN ATOMIC NUMBER OF FROM 27 TO 29 INCLUSIVE.
References Cited (Backward Citations)
US1973662A
Cited
US2211022A
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US2259895A
Cited
US2327066A
Cited
US2361997A
Cited
US2402133A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-08-13 | 1955-02-12 | 1955-08-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-08-13 | 1959-02-12 | 1959-08-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-08-13 | 1963-02-12 | 1963-08-14 | $7700.00 | Window Closed / Lapsed |