US3346494A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Microemulsions in liquid hydrocarbons
Assignee: ExxonMobil Technology and Engineering Co
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Filing: 1964-04-29
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Granted: 1967-10-10
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Expires: 1984-04-29
Abstract
No abstract record available.
Inventors
- 👤 Max L Robbins
- 👤 Jack H Schulman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:49
CPC Classifications
C; C09; C09K; C09K23/00; C09K23/017
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
133 words
A PROCESS FOR PREPARING HIGH CONCENTRATIONS OF AN INORGANIC MATERIAL IN A LIQUID HYDROCARBON WHICH COMPRISES ADDING TO SAID LIQUID HYDROCARBON (1) A VOLATILE DISPERSIBLE MEDIUM INSOLUBLE IN SAID LIQUID HYDROCARBON AND CONTAINING AN INORGANIC MATERIAL AND (2) A SUFFICIENT MINOR PROPORTION OF A COMBINATION OF MICROEMULSIFIBERS CONSISTING ESSENTIALLY OF (A) FROM ABOUT 1 TO 10 PARTS BY WEIGHT OF A FATTY ACID HAVING FROM 12 TO 20 CARBON ATOMS, (B) FROM ABOUT 1 TO 20 PARTS BY WEIGHT OF AN ALKYL AMINO ALCOHOL CONTAINING FROM 2 TO 5 CARBON ATOMS PER ALKYL GROUP AND (C) FROM ABOUT 1 TO 10 PARTS BY WEIGHT OF AN ALKYLATED PHENOL HAVING AT LEAST L ALKYL GROUP CONTAINING 8 TO 12 CARBON ATOMS; THEREBY FORMING A CLEAR STABLE MICROEMULSION AND THEREAFTER REMOVING SAID VOLATILE DISPERSABLE MEDIUM.
Claim 2
Dependent Claim
58 words
A PROCESS ACCORDING TO CLAIM 5 WHEREIN PRIOR TO REMOVING SAID VOLATILE DISPERSABLE MEDIUM ABOUT 10 TO 50 WT. PERCENT OF AN OIL SOLUBLE SURFACE ACTIVE AGENT IS ADDED TO SAID MICROEMULSION AND THEREAFTER SAID INORGANIC MATERIAL IS REACTED WITH A SECOND INORGANIC MATERIAL TO FORM AN INORGANIC REACTION PRODUCT WHICH IS INSOLUBLE IN SAID VOLATILE DISPERSABLE MEDIUM.
Claim 3
Dependent Claim
37 words
A PROCESS ACCORDING TO CLAIM 9 WHEREIN SAID OIL SOLUBLE SURFACE ACTIVE AGENT IS CALCIUM PETROLEUM SULFONATE, SAID INORGANIC MATERIAL IS CALCIUM HYDROXIDE, SAID SECOND INORGANIC MATERIAL IS CO2 AND SAID INORGANIC REACTION PRODUCT IS CALCIUM CARBONATE.
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) | 1970-10-09 | 1971-04-10 | 1971-10-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-09 | 1975-04-10 | 1975-10-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-09 | 1979-04-10 | 1979-10-10 | $7700.00 | Window Closed / Lapsed |