US2694734A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of normal oxygenated compounds
Assignee: Eastman Kodak Co
•
Filing: 1948-04-22
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Granted: 1954-11-16
•
Expires: 1968-04-22
Abstract
No abstract record available.
Inventors
- 👤 Jr Hugh J Hagemeyer
- 👤 David C Hull
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 05:57
CPC Classifications
C; C07; C07C; C07C45/00; C07C45/49; C07C45/50
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
48 words
THE PROCESS WHICH COMPRISES REACTING PROPYLENE WITH CARBON MONOXIDE AND HYDROGEN AT ELEVATED TEMPERATURES AND PRESSURES, SAID REACTION BEING CHARACTERIZED IN THAT IT IS CARRIED OUT AT LEAST A PART OF THE TIME IN THE PRESENCE OF A REACTION MEDIUM COMPRISED AT LEAST ONE-HALF OF METHYL ETHYL KETONE.
Claim 2
Dependent Claim
48 words
THE PROCESS WHICH COMPRISES REACTING PROPYLENE WITH CARBON MONOXIDE AND HYDROGEN AT ELEVATED TEMPERATURES AND PRESSURES, SAID REACTION BEING CHARACTERIZED IN THAT IT IS CARRIED OUT AT LEAST A PART OF THE TIME IN THE PRESENCE OF A REACTION MEDIUM COMPRISED AT LEAST ONE-HALF OF METHYL ETHYL KETONE.
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) | 1957-11-15 | 1958-05-17 | 1958-11-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-11-15 | 1962-05-17 | 1962-11-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-11-15 | 1966-05-17 | 1966-11-16 | $7700.00 | Window Closed / Lapsed |