Patent US3876391A successfully refreshed from Google Patents.
US3876391A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of preparing novel micro emulsions
Assignee: Texaco Inc
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Filing: 1971-08-24
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Granted: 1975-04-08
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Expires: 1991-08-24
Abstract
Abstract This invention concerns a process for preparing water-inpetroleum type of micro emulsions. These emulsions are stable and clear and contain substantially greater quantities of watersoluble additives than it is normally possible to disperse when using the petroleum fraction alone.
Inventors
- 👤 Frederic C Mccoy
- 👤 George W Eckert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 09:43
CPC Classifications
C; C10; C10L; C10L1/00; C10L1/10; C10L1/106; C10L1/32; C10L1/328; C10L1/12; C10L1/1233; C10L1/125; C10L1/14; C10L1/18; C10L1/19; C10L1/191; C10L1/192; C10L1/198; C10L1/1985; C10L1/24; C10L1/2431; C10L1/26; C10L1/2633; C10L1/2658
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
228 words
A STABLE CLEAR MOTOR GASOLINE COMPOSITION HAVING SUBSTANTIALLY HIGHER OCTANE NUMBERS THAN UNMODIFIED BASE FUELS CONSISTING ESSENTIALLY OF AN ADMIXTURE OF THE FOLLOWING COMPONENTS IN THE PROPORTIONS INDICATED: A. FROM ABOUT 58 TO 87 PARTS BY VOLUME OF GASOLINE B. FROM ABOUT 6 TO 16 PARTS BY VOLUME OF WATER C. FROM ABOUT 3 TO 8 PARTS BY VOLUME OF AT LEAST ONE GASOLINESOLUBLE SURFACTANTS HAVING AN HLB VALUE FROM ABOUT 5 TO 9, SAID SURFACTANTS SELECTED FROM THE GROUP CONSISTING OF DIETHYLENE GLYCOL MONOLAURATE SORBITOL MONOPALMITATE SORBITOL MONOLAURATE POLYOXYALKYLATED MANNITOLDIOLATE, POLYOLKYALATED SORBITOL MONOSTEARATE POLYOXYALKYLATED SORBITOL MONOLAURATE AND POLYOXYALKYLATED ALKYLATED PHENOLS, D. FROM ABOUT 3 TO 8 PARTS BY VOLUME OF AT LEAST ONE WATERSOLUBLE SURFACTANT HAVING AN HLB VALUE FROM ABOUT 10 TO 35, SELECTED FROM THE GROUP CONSISTING OF C21 TERTIARY ALKYL PRIMARY AMINE ACETATE DODECYLAMINE HYDROCHLORIDE, AMMONIUM LAURYL SULFATE, TRETHANOLAMINE SULFATE, ETHANOLAMINE OCTYL ORTHO PHOSPHATE POLYOXYALKYLATED NONYL PHENOL, POLYOXYALKYLATED STEARYL AMIDES POLYOXYAALKYLATED LAURYL AMIDES POLYOXYALKYKATED OLEYL AMIDES, POLYOXYALKYLATED SORBITOMONOOLEATE, POLYOXYALKYKLATED SORBITOL MONOLAURATE, POLYOXALKYLATED SORBITOL MONOSTEARATE POLYOXYLATED SORBITOL MONOPALMITATE POLYOXYETHYLATED STEARYL ALCOHOL, POLYOXYETHYLATED OLEYL ALCOHOL AND POLYOXYETHYLATED TRIDECYL ALCOHOL, E. FROM ABOUT 0.5 TO 10 PARTS BY VOLUME OF A WATER-SOLUBLE INSUFICIENTLY GASOLINE-SOLUBLE, ADDITIVE SELECTED FROM THE GROUP CONSISTING OF ACETAMIDE FORMAMIDE, MONOETHANOLAMINE, ETHYLENE DIAMINE, PROPANE DIAMINE, AND MPHENYLENE DIAMINE, SAID PARTS BY VOLUME RATIO OF WATERSOLUBLE SURFACTANT PETROLEUM FRACTION-SOLUBLE SURFACTANT DO NOT EXCEED ABOUT 5:1.
Claim 2
Dependent Claim
228 words
A STABLE CLEAR MOTOR GASOLINE COMPOSITION HAVING SUBSTANTIALLY HIGHER OCTANE NUMBERS THAN UNMODIFIED BASE FUELS CONSISTING ESSENTIALLY OF AN ADMIXTURE OF THE FOLLOWING COMPONENTS IN THE PROPORTIONS INDICATED: A. FROM ABOUT 58 TO 87 PARTS BY VOLUME OF GASOLINE B. FROM ABOUT 6 TO 16 PARTS BY VOLUME OF WATER C. FROM ABOUT 3 TO 8 PARTS BY VOLUME OF AT LEAST ONE GASOLINESOLUBLE SURFACTANTS HAVING AN HLB VALUE FROM ABOUT 5 TO 9, SAID SURFACTANTS SELECTED FROM THE GROUP CONSISTING OF DIETHYLENE GLYCOL MONOLAURATE SORBITOL MONOPALMITATE SORBITOL MONOLAURATE POLYOXYALKYLATED MANNITOLDIOLATE, POLYOLKYALATED SORBITOL MONOSTEARATE POLYOXYALKYLATED SORBITOL MONOLAURATE AND POLYOXYALKYLATED ALKYLATED PHENOLS, D. FROM ABOUT 3 TO 8 PARTS BY VOLUME OF AT LEAST ONE WATERSOLUBLE SURFACTANT HAVING AN HLB VALUE FROM ABOUT 10 TO 35, SELECTED FROM THE GROUP CONSISTING OF C21 TERTIARY ALKYL PRIMARY AMINE ACETATE DODECYLAMINE HYDROCHLORIDE, AMMONIUM LAURYL SULFATE, TRETHANOLAMINE SULFATE, ETHANOLAMINE OCTYL ORTHO PHOSPHATE POLYOXYALKYLATED NONYL PHENOL, POLYOXYALKYLATED STEARYL AMIDES POLYOXYAALKYLATED LAURYL AMIDES POLYOXYALKYKATED OLEYL AMIDES, POLYOXYALKYLATED SORBITOMONOOLEATE, POLYOXYALKYKLATED SORBITOL MONOLAURATE, POLYOXALKYLATED SORBITOL MONOSTEARATE POLYOXYLATED SORBITOL MONOPALMITATE POLYOXYETHYLATED STEARYL ALCOHOL, POLYOXYETHYLATED OLEYL ALCOHOL AND POLYOXYETHYLATED TRIDECYL ALCOHOL, E. FROM ABOUT 0.5 TO 10 PARTS BY VOLUME OF A WATER-SOLUBLE INSUFICIENTLY GASOLINE-SOLUBLE, ADDITIVE SELECTED FROM THE GROUP CONSISTING OF ACETAMIDE FORMAMIDE, MONOETHANOLAMINE, ETHYLENE DIAMINE, PROPANE DIAMINE, AND MPHENYLENE DIAMINE, SAID PARTS BY VOLUME RATIO OF WATERSOLUBLE SURFACTANT PETROLEUM FRACTION-SOLUBLE SURFACTANT DO NOT EXCEED ABOUT 5:1.
Claim 3
Dependent Claim
12 words
The fuel composition of claim 1 wherein the additive is ethylene glycol.
Claim 4
Dependent Claim
11 words
The fuel composition of claim 1 wherein the additive is formamide.
Claim 5
Dependent Claim
11 words
The fuel composition of claim 1 wherein the additive is ethanolamine.
Claim 6
Dependent Claim
12 words
The fuel composition of claim 1 wherein the additive is ethylene diamine.
Claim 7
Dependent Claim
11 words
The fuel composition of claim 1 wherein the additive is urea.
Claim 8
Dependent Claim
11 words
The fuel composition of claim 1 wherein the additive is acetamide.
Claim 9
Dependent Claim
12 words
The fuel composition of claim 1 wherein the additive is propane diamine.
Claim 10
Dependent Claim
12 words
The fuel composition of claim 1 wherein the additive is m-phenylene diamine.
Claim 11
Dependent Claim
11 words
The fuel composition of claim 1 wherein the additive is formaldehyde.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-04-07 | 1978-10-07 | 1979-04-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-04-07 | 1982-10-07 | 1983-04-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-04-07 | 1986-10-07 | 1987-04-08 | $7700.00 | Window Closed / Lapsed |