US2845461A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Non-catalytic liquid phase isobutane oxidation
Assignee: Shell Development Co
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Filing: 1956-04-12
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Granted: 1958-07-29
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Expires: 1976-04-12
Abstract
No abstract record available.
Inventors
- 👤 De Loss E Winkler
- 👤 George W Hearne
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 13:47
CPC Classifications
C; C07; C07C; C07C29/00; C07C29/48; C07C29/50; C07C407/00; C07C409/00; C07C409/02; C07C409/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
59 words
THE NON-CATALYTIC, LIQUID PHASE PROCESS FOR THE PRODUCTION OF REACTION PRODUCTS CONSISTING PREDOMINANTLY OF TERTIARY-BUTYL HYDROPEROXIDE AND TERTIARY-BUTYL ALCOHOL WHICH COMPRISES REACTING ISOBUTANE WITH MOLECULAR OXYGEN IN THE LIQUID PHASE AT A TEMPERATURE ABOVE ABOUT 100* C. BUT NOT SUBSTANTIALLY ABOVE ABOUT 150*C. AND A PRESSURE ABOVE ABOUT 400 P. S. I. G. IN A METAL ION-FREE REACTION MEDIUM.
Claim 2
Dependent Claim
59 words
THE NON-CATALYTIC, LIQUID PHASE PROCESS FOR THE PRODUCTION OF REACTION PRODUCTS CONSISTING PREDOMINANTLY OF TERTIARY-BUTYL HYDROPEROXIDE AND TERTIARY-BUTYL ALCOHOL WHICH COMPRISES REACTING ISOBUTANE WITH MOLECULAR OXYGEN IN THE LIQUID PHASE AT A TEMPERATURE ABOVE ABOUT 100* C. BUT NOT SUBSTANTIALLY ABOVE ABOUT 150*C. AND A PRESSURE ABOVE ABOUT 400 P. S. I. G. IN A METAL ION-FREE REACTION MEDIUM.
References Cited (Backward Citations)
US2376257A
Cited
US2395523A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-07-28 | 1962-01-27 | 1962-07-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-07-28 | 1966-01-27 | 1966-07-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-07-28 | 1970-01-27 | 1970-07-29 | $7700.00 | Window Closed / Lapsed |