US2987536A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Oxidation process
Assignee: Baker Petrolite LLC
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Filing: 1958-06-13
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Granted: 1961-06-06
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Expires: 1978-06-13
Abstract
No abstract record available.
Inventors
- 👤 Hugh B Skees
- 👤 Franklin E Mange
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 22:27
CPC Classifications
C; C10; C10M; C10M1/00; C10M1/08; C10G; C10G27/00; C10G27/04; C10G27/12
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
88 words
A PROCESS OF OXIDIZING NORMALLY NON-DISTILLABLE PETROLEUM HYDROCARBONS WHICH ARE NORMALLY OXIDATION RESISTANT WHICH COMPRISES OXIDIZING SAID HYDROCARBONS AT A TEMPERATURE ABOVE THEIR MELTING POINT BUT BELOW THEIR DECOMPOSITION TEMPERATURE WITH AN OXYGEN-CONTAINING GAS IN THE PRESENCE OF (1) AT LEAST 0.2% OF AN ARALKYL PEROXIDE HAVING AT LEAST 10 CARBON ATOMS AND BOILING ABOVE 150*C. WHICH IS RELATIVELY HEAT STABLE AND NON-VOLATILE UNDER THE OXIDIZING CONDITIONS (2) AT LEAST 0.1% OF A BASIC MATERIAL AND (3) AT LEAST 0.006% BASED ON METAL CONTENT OF AN OXIDATION CATALYST.
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) | 1964-06-05 | 1964-12-05 | 1965-06-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-06-05 | 1968-12-05 | 1969-06-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-06-05 | 1972-12-05 | 1973-06-06 | $7700.00 | Window Closed / Lapsed |