US2644837A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Oxidation of olefinic compounds
Assignee: EIDP Inc
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Filing: 1951-04-27
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Granted: 1953-07-07
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Expires: 1971-04-27
Abstract
No abstract record available.
Inventors
- 👤 Carl E Schweitzer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 06:39
CPC Classifications
C; C07; C07D; C07D301/00; C07D301/02; C07D301/03; C07D301/04; C07D301/06; C07C; C07C31/00; C07C31/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
79 words
A PROCESS WHICH COMPRISES SUBJECTING AN ORGANIC CARBON COMPOUND CONTAINING FROM 2 TO 6 CARBON ATOMS AND CONTAINING A SINGLE OLEFINIC LINKAGE TO OXIDATION AT SUPERATMOSPHERIC PRESSURE AND AT A TEMPERATURE IN EXCESS OF 100* C. IN THE PRESENCE OF INGREDIENTS COMPRISING (A) AN OXYGEN-CONTAINING GAS, (B) A MEDIUM COMPRISING WATER AND AN INERT LIQUID HYDROCARBON, AND (C) A RECYCLED BY-PRODUCT PRODUCED IN A PREVIOUS OXIDATION OF THE SAID ORGANIC CARBON COMPOUND WITH AN OXYGEN-CONTAINING GAS, AND SEPARATING A
Claim 2
Dependent Claim
79 words
A PROCESS WHICH COMPRISES SUBJECTING AN ORGANIC CARBON COMPOUND CONTAINING FROM 2 TO 6 CARBON ATOMS AND CONTAINING A SINGLE OLEFINIC LINKAGE TO OXIDATION AT SUPERATMOSPHERIC PRESSURE AND AT A TEMPERATURE IN EXCESS OF 100* C. IN THE PRESENCE OF INGREDIENTS COMPRISING (A) AN OXYGEN-CONTAINING GAS, (B) A MEDIUM COMPRISING WATER AND AN INERT LIQUID HYDROCARBON, AND (C) A RECYCLED BY-PRODUCT PRODUCED IN A PREVIOUS OXIDATION OF THE SAID ORGANIC CARBON COMPOUND WITH AN OXYGEN-CONTAINING GAS, AND SEPARATING A
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) | 1956-07-06 | 1957-01-05 | 1957-07-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-07-06 | 1961-01-05 | 1961-07-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-07-06 | 1965-01-05 | 1965-07-07 | $7700.00 | Window Closed / Lapsed |