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US3668227A
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Molybdenum catalysts for the oxidation of unsaturated compounds in liquid phase
Assignee: SnamProgetti SpA
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Filing: 1969-09-05
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Granted: 1972-06-06
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Expires: 1989-09-05
Abstract
Abstract A molybdenum alkylene-dioxy-derivative, adapted to catalyze the oxidation of certain compounds containing ethylenic unsaturations, is prepared by reacting an organic molybdenum compound in which oxygen atoms are directly attached to the molybdenum atom with an organic derivative having vicinal hydroxyl groups.
Inventors
- 👤 Anna Maria Mattucci
- 👤 Emillio Perrotti
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 20:49
CPC Classifications
B; B01; B01J; B01J31/00; B01J31/16; B01J31/22; B01J31/2204; B01J31/2208; B01J31/2226; B01J31/223; B01J31/2234; C; C07; C07D; C07D301/00; C07D301/02; C07D301/03; C07D301/14; C07D301/19; C07F; C07F11/00; C07F11/005; B01J2231/00; B01J2231/70; B01J2531/00; B01J2531/60; B01J2531/64
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
21 words
Process according to claim 1, wherein the organic derivative is a vicinal alkylene glycol having from two to 12 carbon atoms.
Claim 2
Dependent Claim
23 words
Process according to claim 1, wherein the reaction is carried out at a temperature in the range of from -20* to +110* C.
Claim 3
Dependent Claim
23 words
Process according to claim 3, wherein the reaction is carried out at a temperature in the range of from 30* to 70* C.
Claim 4
Dependent Claim
27 words
Process according to claim 1, wherein the reaction is carried out in presence of a hydrocarbon solvent or a mixture of the same with a higher alcohol.
Claim 5
Dependent Claim
34 words
Process according to claim 1, wherein, when a compound of formula I is formed, it is dissolved in benzene and water is distilled off so as to form the corresponding compound of formula II.
Claim 6
Dependent Claim
31 words
Process according to claim 1, wherein, when a compound of formula II is formed, it is treated with water and benzene so as to form the corresponding compound of formula I.
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) | 1975-06-06 | 1975-12-06 | 1976-06-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-06-06 | 1979-12-06 | 1980-06-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-06-06 | 1983-12-06 | 1984-06-06 | $7700.00 | Window Closed / Lapsed |