US2492985A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Oxidation of hydrocarbons in the presence of liquid catalytic films
Assignee: Houdry Process Corp
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Filing: 1947-12-19
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Granted: 1950-01-03
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Expires: 1967-12-19
Abstract
No abstract record available.
Inventors
- 👤 Aristid V Grosse
- 👤 John C Snyder
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 16:50
CPC Classifications
B; B01; B01J; B01J19/00; B01J19/24; B01J19/247; B01J10/00; B01J10/02; C; C07; C07C; C07C27/00; C07C27/10; C07C27/12; C07C27/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
79 words
IN THE OXIDATION OF A VOLATILE LOW MOLECULAR WEIGHT ALIPHATIC HYDROCARBON TO FORM OXYGENATED ORGANIC COMPOUNDS, THE IMPROVEMENT WHICH COMPRISES REACTING SAID HYDROCARBON WITH MOLECULAR OXYGEN UNDER CONDITIONS ADAPTED TO MAINTAIN SAID HYDROCARBON SUBSTANTIALLY COMPLETELY IN THE VAPOR PHASE AT SUPERATMOSPHERIC PRESSURES OF AT LEAST 5 ATMOSPHERES AND IN THE PRESENCE OF A CATALYTIC LIQUID IN THE FORM OF A THIN FILM, THE VOLUME OF SAID LIQUID BEING MINOR IN RESPECT TO THE VOLUME OCCUPIED BY THE GASEOUS REACTANTS.
Claim 2
Dependent Claim
79 words
IN THE OXIDATION OF A VOLATILE LOW MOLECULAR WEIGHT ALIPHATIC HYDROCARBON TO FORM OXYGENATED ORGANIC COMPOUNDS, THE IMPROVEMENT WHICH COMPRISES REACTING SAID HYDROCARBON WITH MOLECULAR OXYGEN UNDER CONDITIONS ADAPTED TO MAINTAIN SAID HYDROCARBON SUBSTANTIALLY COMPLETELY IN THE VAPOR PHASE AT SUPERATMOSPHERIC PRESSURES OF AT LEAST 5 ATMOSPHERES AND IN THE PRESENCE OF A CATALYTIC LIQUID IN THE FORM OF A THIN FILM, THE VOLUME OF SAID LIQUID BEING MINOR IN RESPECT TO THE VOLUME OCCUPIED BY THE GASEOUS REACTANTS.
References Cited (Backward Citations)
US1941010A
Cited
US2009663A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-01-02 | 1953-07-04 | 1954-01-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-01-02 | 1957-07-04 | 1958-01-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-01-02 | 1961-07-04 | 1962-01-03 | $7700.00 | Window Closed / Lapsed |