US3071601A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Oxidation of propylene
Assignee: Individual
•
Filing: 1957-04-05
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Granted: 1963-01-01
•
Expires: 1977-04-05
Abstract
No abstract record available.
Inventors
- 👤 Robert S Aries
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 03:15
CPC Classifications
C; C07; C07C; C07C51/00; C07C51/16; C07C51/21; C07C51/215; C07C29/00; C07C29/03; C07C29/48; C07C29/50; C07C67/00; C07C67/39; C07D; C07D301/00; C07D301/02; C07D301/03; C07D301/04; C07D301/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
112 words
PROCESS FOR THE PREPARATION OF PROPYLENE OXIDE WHICH COMPRISES OXIDIZING PROPYLENE IN THE LIQUID PHASE IN SOLUTION IN A LIQUID HYDROCARBON SOLVENT INERT TO OXYGEN WITH A GAS CONTAINING ELEMENTAL OXYGEN AT ELEVATED TEMPERATURE AND PRESSURE IN THE PRESENCE OF AN OXIDATION CATALYST CONSISTING ESSENTIALLY OF AN ADMIXTURE OF A PRIMARY CATALYTIC MATERIAL AND A PROMOTER, SAID PRIMARY CATALYTIC MATERIAL BEING A MEMBER SELECTED FROM THE GROUP CONSISTING OF THE OXIDE, CARBONATE, ACETATE, PROPIONATE AND FORMATE OF A METAL SELECTED FROM THE GROUP CONSISTING OF COBALT COPPER, MANGANESE, VANADIUM, AND CHROMIUM, AND SAID PROMOTER BEING A MEMBER SELECTED FROM THE GROUP CONSISTING OF LEAD CARBONATE, LEAD ACETATE, BARIUM CARBONATE, AND BARIUM ACETATE.
Claim 2
Dependent Claim
112 words
PROCESS FOR THE PREPARATION OF PROPYLENE OXIDE WHICH COMPRISES OXIDIZING PROPYLENE IN THE LIQUID PHASE IN SOLUTION IN A LIQUID HYDROCARBON SOLVENT INERT TO OXYGEN WITH A GAS CONTAINING ELEMENTAL OXYGEN AT ELEVATED TEMPERATURE AND PRESSURE IN THE PRESENCE OF AN OXIDATION CATALYST CONSISTING ESSENTIALLY OF AN ADMIXTURE OF A PRIMARY CATALYTIC MATERIAL AND A PROMOTER, SAID PRIMARY CATALYTIC MATERIAL BEING A MEMBER SELECTED FROM THE GROUP CONSISTING OF THE OXIDE, CARBONATE, ACETATE, PROPIONATE AND FORMATE OF A METAL SELECTED FROM THE GROUP CONSISTING OF COBALT COPPER, MANGANESE, VANADIUM, AND CHROMIUM, AND SAID PROMOTER BEING A MEMBER SELECTED FROM THE GROUP CONSISTING OF LEAD CARBONATE, LEAD ACETATE, BARIUM CARBONATE, AND BARIUM ACETATE.
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) | 1965-12-31 | 1966-07-02 | 1967-01-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-31 | 1970-07-02 | 1971-01-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-31 | 1974-07-02 | 1975-01-01 | $7700.00 | Window Closed / Lapsed |