Patent US2642382A successfully refreshed from Google Patents.
US2642382A
Expired / Lapsed
US
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Refining hydrocarbon oils
Assignee: Houdry Process Corp
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Filing: 1950-11-24
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Granted: 1953-06-16
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Expires: 1970-11-24
Abstract
No abstract record available.
Inventors
- 👤 Jr George R Bond
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 09:31
CPC Classifications
C; C10; C10G; C10G29/00; C10G29/06; C10G29/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
70 words
THE METHOD OF IMPROVING LIQUID HYDROCARBON OILS WHICH COMPRISES TREATING SUCH AN OIL IN LIQUID PHASE WITH A MINOR PROPORTION OF AN AQUEOUS SOLUTION COMPRISING A CONCENTRATION AQUEOUS FERRIC CHLORIDE SOLUTION EXTENDED WITH A CONCENTRATION SOLUTION OF A WATER SOLUBLE CHLORIDE FROM THE GROUP CONSISTING OF MAGNESIUM, CALCIUM AND SODIUM CHLORIDE, TO THEREBY FORM A SLUDGE CONTAINING IMPURITIES EXTRACTED FROM THE OIL, AND SEPARATING THE SLUDGE FROM THE OIL RAFFINATE.
Claim 2
Independent Claim
70 words
THE METHOD OF IMPROVING LIQUID HYDROCARBON OILS WHICH COMPRISES TREATING SUCH AN OIL IN LIQUID PHASE WITH A MINOR PROPORTION OF AN AQUEOUS SOLUTION COMPRISING A CONCENTRATION AQUEOUS FERRIC CHLORIDE SOLUTION EXTENDED WITH A CONCENTRATION SOLUTION OF A WATER SOLUBLE CHLORIDE FROM THE GROUP CONSISTING OF MAGNESIUM, CALCIUM AND SODIUM CHLORIDE, TO THEREBY FORM A SLUDGE CONTAINING IMPURITIES EXTRACTED FROM THE OIL, AND SEPARATING THE SLUDGE FROM THE OIL RAFFINATE.
References Cited (Backward Citations)
FR350091A
Cited
US1545440A
Cited
GB276427A
Cited
GB330565A
Cited
GB334833A
Cited
FR40543E
Cited
US2232971A
Cited
US2394965A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-06-15 | 1956-12-15 | 1957-06-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-06-15 | 1960-12-15 | 1961-06-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-06-15 | 1964-12-15 | 1965-06-16 | $7700.00 | Window Closed / Lapsed |