US2610203A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of producing aldehyde esters
Assignee: Eastman Kodak Co
•
Filing: 1949-12-13
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Granted: 1952-09-09
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Expires: 1969-12-13
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
2026-11-07 09:17
CPC Classifications
C; C07; C07C; C07C27/00; C07C27/20; C07C27/22
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
52 words
THE PROCESS WHICH COMPRISES REACTING ETHYL CROTONATE WITH CARBON MONOXIDE AND HYDROGEN, SAID REACTION BEING CARRIED OUT IN THE PRESENCE OF A COBALT-CONTAINING CATALYST, CARRIED IN A LOWER ALIPHATIC ALCOHOL LIQUID MEDIUM, AND UNDER TEMPERATURE AND PRESURE CONDITIONS BETWEEN 103106* C. AND 1600-3500 P. S. I., WHEREBY GAMMAFORMYL ETHYL BUTYRATE IS FORMED.
Claim 2
Dependent Claim
52 words
THE PROCESS WHICH COMPRISES REACTING ETHYL CROTONATE WITH CARBON MONOXIDE AND HYDROGEN, SAID REACTION BEING CARRIED OUT IN THE PRESENCE OF A COBALT-CONTAINING CATALYST, CARRIED IN A LOWER ALIPHATIC ALCOHOL LIQUID MEDIUM, AND UNDER TEMPERATURE AND PRESURE CONDITIONS BETWEEN 103106* C. AND 1600-3500 P. S. I., WHEREBY GAMMAFORMYL ETHYL BUTYRATE IS FORMED.
References Cited (Backward Citations)
US2437600A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-09-09 | 1956-03-10 | 1956-09-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-09-09 | 1960-03-10 | 1960-09-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-09-09 | 1964-03-10 | 1964-09-09 | $7700.00 | Window Closed / Lapsed |