US3059031A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for preparing pentanone-3
Assignee: EIDP Inc
•
Filing: 1960-01-18
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Granted: 1962-10-16
•
Expires: 1980-01-18
Abstract
No abstract record available.
Inventors
- 👤 Alderson Thomas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 16:42
CPC Classifications
C; C07; C07C; C07C45/00; C07C45/49
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
80 words
A PROCESSS FOR PREPARING PENTANONE-3 COMPRISING CONTACTING REACTANTS CONSISTING ESSENTIALLY OF ETHYLENE CARBON MONOXIDE AND WATER AT A TEMPERATURE ABOVE 100*C. AND A PRESSURE ABOVE 100 ATMOSPHERES IN THE PRESENCE OF A CATALYST CONSISTING ESSENTIALLY OF AT LEAST ONE HALIDE OF A GROUP VIII NOBLE METAL OF ATOMIC NUMBER 44-78, SAID HALIDE BEING SELECTED FROM THE CLASS CONSISTINGO OF BROMIDES, CHLORIDES AND IODIDES AND SAID CATALYST BEING PRESENT IN AN AMOUNT OF AT LEAST 0.00001 MOLE PER MOLE OF ETHYLENE.
Claim 2
Dependent Claim
80 words
A PROCESSS FOR PREPARING PENTANONE-3 COMPRISING CONTACTING REACTANTS CONSISTING ESSENTIALLY OF ETHYLENE CARBON MONOXIDE AND WATER AT A TEMPERATURE ABOVE 100*C. AND A PRESSURE ABOVE 100 ATMOSPHERES IN THE PRESENCE OF A CATALYST CONSISTING ESSENTIALLY OF AT LEAST ONE HALIDE OF A GROUP VIII NOBLE METAL OF ATOMIC NUMBER 44-78, SAID HALIDE BEING SELECTED FROM THE CLASS CONSISTINGO OF BROMIDES, CHLORIDES AND IODIDES AND SAID CATALYST BEING PRESENT IN AN AMOUNT OF AT LEAST 0.00001 MOLE PER MOLE OF ETHYLENE.
References Cited (Backward Citations)
US2593440A
Cited
US2839580A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-10-15 | 1966-04-16 | 1966-10-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-10-15 | 1970-04-16 | 1970-10-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-10-15 | 1974-04-16 | 1974-10-16 | $7700.00 | Window Closed / Lapsed |