US2808423A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Catalytic partial oxidation of hydrocarbons
Assignee: Sunoco Inc
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Filing: 1953-09-03
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Granted: 1957-10-01
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Expires: 1973-09-03
Abstract
No abstract record available.
Inventors
- 👤 Shirley C Bartlett
- 👤 Herbert L Johnson
- 👤 Archibald P Stuart
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 11:02
CPC Classifications
C; C07; C07B; C07B35/00; C07B35/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
170 words
PROCESS FOR PARTIALLY OXIDIZING PETROLEUM MATERIALS WHICH COMPRISES: CONTACTING A CHARGE STOCK SELECTED FROM THE GROUP CONSISTING OF PETROLEUM LUBRICATING OIL, PETROLEUM WAX, AND MIXTURES OF PETROLEUM LUBRICATIONG OIL AND WAX IN LIQUID PHASE WITH A FREE-OXYGEN CONTAINING GAS UNDER PARTIAL OXIDATION CONDITIONS IN THE PRESENCE OF A CATALYST COMPRISING A MANGANESE SALT OF A CARBOXYLIC ACID AND AN ALKALINE EARTH METAL SALT SELECTED FROM THE GROUP CONSISTING OF MAGNESIUM SALTS OF CARBOXYLIC ACIDS AND CALCIUM SALTS OF CARBOXYLIC ACIDS, THE WEIGHTS OF MANGAOF MANGANESE BASED ON THE COMBINED WEIGHTS OF MANGANESE METAL AND ALKALINE EARTH METAL IN THE CATALYST BEING IN THE RANGE FROM 0.1 TO 8.0 WEIGHT PERCENT, AND THE SUM OF THE WEIGHT PERCENTS OF MANGANESE METAL AND ALKALINE EARTH METAL BASED ON THE OXIDATION CHARGE BEING IN THE RANGE FROM 0.01 TO 0.1 WEIGHT PERCENT, THEREBY TO OBTAIN A MORE RAPID INCREASE IN SAPONIFICATION NUMBER THAN THAT OBTAINED USING A CATALYST CONSISTING ESSENTIALLY OF EITHER ONE OF SAID SALTS IN AMOUNT APPROXIMATELY EQUAL TO SAID SUM.
Claim 2
Dependent Claim
170 words
PROCESS FOR PARTIALLY OXIDIZING PETROLEUM MATERIALS WHICH COMPRISES: CONTACTING A CHARGE STOCK SELECTED FROM THE GROUP CONSISTING OF PETROLEUM LUBRICATING OIL, PETROLEUM WAX, AND MIXTURES OF PETROLEUM LUBRICATIONG OIL AND WAX IN LIQUID PHASE WITH A FREE-OXYGEN CONTAINING GAS UNDER PARTIAL OXIDATION CONDITIONS IN THE PRESENCE OF A CATALYST COMPRISING A MANGANESE SALT OF A CARBOXYLIC ACID AND AN ALKALINE EARTH METAL SALT SELECTED FROM THE GROUP CONSISTING OF MAGNESIUM SALTS OF CARBOXYLIC ACIDS AND CALCIUM SALTS OF CARBOXYLIC ACIDS, THE WEIGHTS OF MANGAOF MANGANESE BASED ON THE COMBINED WEIGHTS OF MANGANESE METAL AND ALKALINE EARTH METAL IN THE CATALYST BEING IN THE RANGE FROM 0.1 TO 8.0 WEIGHT PERCENT, AND THE SUM OF THE WEIGHT PERCENTS OF MANGANESE METAL AND ALKALINE EARTH METAL BASED ON THE OXIDATION CHARGE BEING IN THE RANGE FROM 0.01 TO 0.1 WEIGHT PERCENT, THEREBY TO OBTAIN A MORE RAPID INCREASE IN SAPONIFICATION NUMBER THAN THAT OBTAINED USING A CATALYST CONSISTING ESSENTIALLY OF EITHER ONE OF SAID SALTS IN AMOUNT APPROXIMATELY EQUAL TO SAID SUM.
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) | 1960-09-30 | 1961-04-01 | 1961-10-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-09-30 | 1965-04-01 | 1965-10-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-09-30 | 1969-04-01 | 1969-10-01 | $7700.00 | Window Closed / Lapsed |