US2533581A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydrogen peroxide by the partial oxidation of hydrocarbons
Assignee: EIDP Inc
•
Filing: 1946-04-19
•
Granted: 1950-12-12
•
Expires: 1966-04-19
Abstract
No abstract record available.
Inventors
- 👤 Charles R Harris
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 14:22
CPC Classifications
C; C01; C01B; C01B15/00; C01B15/01; C01B15/022; C01B15/024
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
112 words
IN A PROCESS FOR THE PRODUCTIOJN OF HYDROGEN PEROXIDE BY THE VAPOR PHASE, NON-CATALYTIC RE ACTION OF A HYDROCARBON SELECTED FROM THE GROUP CONSISTING OF PROPANE, N-BUTANE AND ISOBUTANE WITH OXYGEN IN A RATIO OF AT LEAST FOUR VOLUMES OF SAID HYDROCARBON PER VOLUME OF OXYGEN AT A TEMPERATURE WITHIN THE RANGE IN WHICH HYDROGEN PEROXIDE FORMATION PREDOMINATES OVER ALDEHYDE FORMATION, THE STEPS COMPRISING HEATING SAID REACTANTS SEPARATELY TO A TEMPERATURE WITHIN SAID RANGEA ND THEN MIXING THEM IN A REACTION ZONE SO AS TO EFFECT SAID REACTION AT A TEMPERATURE WITHIN SAID RANGE, AND WITHDRAWING PRODUCT GASES FROM SAID REACTION ZONE WHEN NOT MORE THAN 90% OF THE OXYGEN HAS REACTED.
Claim 2
Dependent Claim
112 words
IN A PROCESS FOR THE PRODUCTIOJN OF HYDROGEN PEROXIDE BY THE VAPOR PHASE, NON-CATALYTIC RE ACTION OF A HYDROCARBON SELECTED FROM THE GROUP CONSISTING OF PROPANE, N-BUTANE AND ISOBUTANE WITH OXYGEN IN A RATIO OF AT LEAST FOUR VOLUMES OF SAID HYDROCARBON PER VOLUME OF OXYGEN AT A TEMPERATURE WITHIN THE RANGE IN WHICH HYDROGEN PEROXIDE FORMATION PREDOMINATES OVER ALDEHYDE FORMATION, THE STEPS COMPRISING HEATING SAID REACTANTS SEPARATELY TO A TEMPERATURE WITHIN SAID RANGEA ND THEN MIXING THEM IN A REACTION ZONE SO AS TO EFFECT SAID REACTION AT A TEMPERATURE WITHIN SAID RANGE, AND WITHDRAWING PRODUCT GASES FROM SAID REACTION ZONE WHEN NOT MORE THAN 90% OF THE OXYGEN HAS REACTED.
References Cited (Backward Citations)
US1392886A
Cited
US2186688A
Cited
US1991344A
Cited
US2018994A
Cited
US2007116A
Cited
US1978621A
Cited
US2376257A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-12-11 | 1954-06-12 | 1954-12-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-12-11 | 1958-06-12 | 1958-12-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-12-11 | 1962-06-12 | 1962-12-12 | $7700.00 | Window Closed / Lapsed |