Patent US3007944A successfully refreshed from Google Patents.
US3007944A
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Process for the oxidation of trialkyl ethylene hydrocarbons
Assignee: ExxonMobil Technology and Engineering Co
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Filing: 1958-01-20
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Granted: 1961-11-07
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Expires: 1978-01-20
Abstract
No abstract record available.
Inventors
- 👤 Emanuel M Amir
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 23:15
CPC Classifications
C; C07; C07C; C07C45/00; C07C45/27; C07C45/32; C07C45/33; C07C45/34; C07C407/00; C07C409/00; C07C409/02; C07C409/04; C07D; C07D303/00; C07D303/02; C07D303/04
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
124 words
A PROCESS WHICH COMPRISES SUBJECTING A NORMALLY LIQUID TRI LOWER ALKYL ETHYLENE HYDROCARBON TO AQUEOUS LIQUID PHASE OXIDATION WITH OXYGEN AT A TEMPERATURE WITHIN THE RANGE OF ABOUT 40*F. TO ABOUT REFLUX TEMPERATURE IN THE PRESENCE OF A CATALYTIC AMOUNT OF A SOLUBLE SALT OF A METAL OF GROUPS VI THROUGH VIII OF THE PERIODIC TABLE, FROM ABOUT 0.1 TO ABOUT 2.0 MOLS OF WATER PER MOL OF TRIALKYL ETHYLENE HYDROCARBON BEING EMPLOYED, SAID WATER CONTAINING AN AMOUNT OF A NON-REACTIVE BUFFER SUFFICIENT TO PROVIDE A PH WITHIN THE RANGE OF ABOUT 7 TO 8.5 WHEREBY THERE IS FORMED A SUBSTANTIALLY HYDRO-PEROXIDE FREE OXIDATION PRODUCT CONTAINING ALDEHYDIC, KETONIC, ALCOHOLIC AND OXIRANE ADDITION PRODUCTS OF OXYGEN AND SAID TRIALKYL ETHYLENE, AND RECOVERING SAID ADDITION PRODUCTS.
References Cited (Backward Citations)
US2620358A
Cited
US2690457A
Cited
US2741623A
Cited
US2052195A
Cited
US2316604A
Cited
US2650927A
Cited
US2780634A
Cited
US2879300A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-11-06 | 1965-05-08 | 1965-11-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-11-06 | 1969-05-08 | 1969-11-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-11-06 | 1973-05-08 | 1973-11-07 | $7700.00 | Window Closed / Lapsed |