US3658667A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrolyte reduction of ozonolysis products
Assignee: Phillips Petroleum Co
•
Filing: 1970-02-05
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Granted: 1972-04-25
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Expires: 1990-02-05
Abstract
Abstract An oxygen-containing product, e.g., an alkoxyhydroperoxide, from the ozonolysis of an olefin, e.g., cyclododecene, is electrochemically reduced to a product in which the oxygen is present in aldehydic and/or ketonic form, e.g., alpha, omegadialdehyde.
Inventors
- 👤 Raymond L Cobb
- 👤 David P Pearson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 08:29
CPC Classifications
C; C25; C25B; C25B3/00; C25B3/20; C25B3/25; C25B3/01; C25B3/07
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
15 words
A method according to claim 1 wherein the alkoxyhydroperoxide is dissolved in a suitable solvent-electrolyte.
Claim 2
Dependent Claim
18 words
A method according to claim 1 wherein the feed material contains 12-Oxo-1-methoxydodecanehydroperoxide and there is recovered alpha, omega-dodecanedialdehyde.
Claim 3
Dependent Claim
14 words
A method according to claim 1 wherein the feed material contains heptaldehyde and 1-methoxyheptanehydroperoxide.
References Cited (Backward Citations)
US2543763A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-04-25 | 1975-10-25 | 1976-04-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-04-25 | 1979-10-25 | 1980-04-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-04-25 | 1983-10-25 | 1984-04-25 | $7700.00 | Window Closed / Lapsed |