US3013024A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Epoxidation of carbonyl compounds with hydroperoxides
Assignee: Shell USA Inc
•
Filing: 1958-08-29
•
Granted: 1961-12-12
•
Expires: 1978-08-29
Abstract
No abstract record available.
Inventors
- 👤 George B Payne
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 14:14
CPC Classifications
C; C07; C07D; C07D303/00; C07D303/02; C07D303/12; C07D303/32; Y; Y02; Y02P; Y02P20/00; Y02P20/50; Y02P20/582
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
56 words
IN A PROCESS FOR OXIDIZING ALPHA,BETA-ETHYLENIC ALDEHYDE OF 3 TO 20 CARBON ATOMS PER MOLECULE TO THE CORRESPONDING ALPHA,BETA-EPOXY ALDEHYDE THE IMPROVEMENT WHICH COMPRISES CONTACTING SAID ETHYLENIC ALDEHYDE WITH A HYDROPEROXY-SUBSTITUTED HYDROCARBON OF 1 TO 20 CARBON ATOMS AT A PH BETWEEN ABOUT 4 AND ABOUT 12 AND RECOVERING THE ALPHA,BETA-EPOXY ALDEHYDE PRODUCT OF THE REACTION.
Claim 2
Dependent Claim
56 words
IN A PROCESS FOR OXIDIZING ALPHA,BETA-ETHYLENIC ALDEHYDE OF 3 TO 20 CARBON ATOMS PER MOLECULE TO THE CORRESPONDING ALPHA,BETA-EPOXY ALDEHYDE THE IMPROVEMENT WHICH COMPRISES CONTACTING SAID ETHYLENIC ALDEHYDE WITH A HYDROPEROXY-SUBSTITUTED HYDROCARBON OF 1 TO 20 CARBON ATOMS AT A PH BETWEEN ABOUT 4 AND ABOUT 12 AND RECOVERING THE ALPHA,BETA-EPOXY ALDEHYDE PRODUCT OF THE REACTION.
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US2373942A
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US2500599A
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BE529388A
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US2783250A
Cited
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Cited
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Cited
US2938040A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-12-11 | 1965-06-12 | 1965-12-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-12-11 | 1969-06-12 | 1969-12-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-12-11 | 1973-06-12 | 1973-12-12 | $7700.00 | Window Closed / Lapsed |