US2682560A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Conversion of organic hydroxy compounds to carbonyl derivatives
Assignee: Eastman Kodak Co
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Filing: 1952-11-22
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Granted: 1954-06-29
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Expires: 1972-11-22
Abstract
No abstract record available.
Inventors
- 👤 Edward H Carter
- 👤 Louis E Sartain
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 01:12
CPC Classifications
B; B01; B01J; B01J23/00; C; C07; C07C; C07C45/00; C07C45/27; C07C45/32; C07C45/37; C07C45/38; C07C45/39; B01J23/90; Y; Y02; Y02P; Y02P20/00; Y02P20/50; Y02P20/584
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
72 words
THE PROCESS WHICH COMPRISES PASSING A LOWER ALIPHATIC ALCOHOL OF AT LEAST 2 CARBON ATOMS AND AIR INTO CONTACT WITH A CATALYST COMPRISED OF ALTERNATE LAYERS OF PRE-ANNEALED COPPER AND SILVER SCREENS SUFFICIENTLY OPEN TO PERMIT THE READY PASSAGE OF VAPORS OF ALCOHOL THERETHROUGH, SAID SCREENS BEING COMPRESSED 2-6% OF THEIR UNCOMPRESSED HEIGHT, THE PREANNEALING INCLUDING HEATING THE CATALYST FOR SEVERAL HOURS IN AN OXIDIZING ATMOSPHERE AT A TEMPERATURE ABOVE 500* F.
Claim 2
Dependent Claim
72 words
THE PROCESS WHICH COMPRISES PASSING A LOWER ALIPHATIC ALCOHOL OF AT LEAST 2 CARBON ATOMS AND AIR INTO CONTACT WITH A CATALYST COMPRISED OF ALTERNATE LAYERS OF PRE-ANNEALED COPPER AND SILVER SCREENS SUFFICIENTLY OPEN TO PERMIT THE READY PASSAGE OF VAPORS OF ALCOHOL THERETHROUGH, SAID SCREENS BEING COMPRESSED 2-6% OF THEIR UNCOMPRESSED HEIGHT, THE PREANNEALING INCLUDING HEATING THE CATALYST FOR SEVERAL HOURS IN AN OXIDIZING ATMOSPHERE AT A TEMPERATURE ABOVE 500* F.
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) | 1957-06-28 | 1957-12-28 | 1958-06-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-06-28 | 1961-12-28 | 1962-06-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-06-28 | 1965-12-28 | 1966-06-29 | $7700.00 | Window Closed / Lapsed |