Patent US2584539A successfully refreshed from Google Patents.
US2584539A
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US
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Reaction of limonene with carbon monoxide and hydrogen
Assignee: FMC Corp
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Filing: 1946-07-20
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Granted: 1952-02-05
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Expires: 1966-07-20
Abstract
No abstract record available.
Inventors
- 👤 Bordenca Carl
- 👤 Lazier Wilbur Arthur
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 21:48
CPC Classifications
C; C07; C07C; C07C45/00; C07C45/49; C07C45/50; Y; Y10; Y10S; Y10S585/00; Y10S585/929; Y10S585/947
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
51 words
A PROCESS WHICH COMPRISES REACTING LIMONENE WITH CARBON MONOXIDE AND HYDROGEN IN THE PRESENCE OF RANEY COBALT AT A TEMPERATURE OF APPROXIMATELY 130-175* C., A PRESSURE AT THE REACTION TEMPERATURE OF FROM 1000 TO 5000 POUNDS PER SQUARE INCH, AND FOR A TIME WITHIN THE RANGE OF 0.5 TO 10 HOURS.
Claim 2
Dependent Claim
51 words
A PROCESS WHICH COMPRISES REACTING LIMONENE WITH CARBON MONOXIDE AND HYDROGEN IN THE PRESENCE OF RANEY COBALT AT A TEMPERATURE OF APPROXIMATELY 130-175* C., A PRESSURE AT THE REACTION TEMPERATURE OF FROM 1000 TO 5000 POUNDS PER SQUARE INCH, AND FOR A TIME WITHIN THE RANGE OF 0.5 TO 10 HOURS.
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) | 1955-02-04 | 1955-08-06 | 1956-02-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-02-04 | 1959-08-06 | 1960-02-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-02-04 | 1963-08-06 | 1964-02-05 | $7700.00 | Window Closed / Lapsed |