US4046519A
Expired / Lapsed
US
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Novel microemulsions
Assignee: Mobil Oil AS
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Filing: 1975-10-31
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Granted: 1977-09-06
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Expires: 1995-10-31
Abstract
Abstract A motor fuel in the form of a microemulsion is provided comprising a mixture of gasoline, methanol and water and a surfactant blend having a hydrophile-lipophile balance value of from about 3 to about 4.5.
Inventors
- 👤 Alfred B. Piotrowski
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 16:48
CPC Classifications
C; C10; C10L; C10L1/00; C10L1/32; C10L1/328
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
42 words
A microemulsion comprising a mixture of gasoline, methanol and water and a surfactant blend having a hydrophile-lipophile balance value of about 4 wherein the surfactant blend comprises, by weight, a 9:1 mixture of mono and diglycerides of oleic acid: bis (2-hydroxyethyl)stearylamine oxide.
Claim 2
Dependent Claim
42 words
A microemulsion comprising a mixture of gasoline, methanol and water and a surfactant blend having a hydrophile-lipophile balance value of about 4 wherein the surfactant blend comprises, by weight, a 9:1 mixture of mono and diglycerides of oleic acid: bis (2-hydroxyethyl)stearylamine oxide.
Claim 3
Dependent Claim
55 words
A microemulsion as defined in claim 1 wherein the gasoline component is present in a weight ratio of from about 80 to about 98; the methanol component is present in a weight ratio of from about 2 to about 19; and the water component is present in an amount from about 0.1 to about 10.
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) | 1980-09-05 | 1981-03-07 | 1981-09-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-09-05 | 1985-03-07 | 1985-09-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-09-05 | 1989-03-07 | 1989-09-06 | $7700.00 | Window Closed / Lapsed |