Patent US3620694A successfully refreshed from Google Patents.
US3620694A
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Method for removing dissolved oxygen from hydrocarbon gels
Assignee: United States Department of the Navy
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Filing: 1969-06-16
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Granted: 1971-11-16
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Expires: 1989-06-16
Abstract
Abstract A method of removing dissolved atmospheric oxygen from hydrocarbon liquids and gels which comprises incorporating pyrogallol in the alkaline portion of a three-component flame fuel system consisting of an alkaline portion, a nonalkaline portion, and a hydrocarbon liquid portion. This method effectively reduces swelling of the product formed.
Inventors
- 👤 Ken Posey Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 05:43
CPC Classifications
C; C10; C10L; C10L7/00; C10L7/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
20 words
The method in accordance with claim 1 wherein the concentration of pyrogallol in said alkaline solution is about 0.80 percent.
Claim 2
Dependent Claim
67 words
A flame fuel comprising a hydrocarbon fuel selected from the group consisting of aviation fuel and turbine fuel bound in a matrix comprising the reaction product obtained by mixing gelling proportions of an alkaline solution consisting essentially of an aqueous solution of sodium hydroxide, potassium hydroxide and pyrogallol and a nonalkaline solution consisting essentially of unsaturated fatty acids and a dispersant composed of ethylene oxide and dehydroabiethylamine.
References Cited (Backward Citations)
US3414392A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-11-15 | 1975-05-17 | 1975-11-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-11-15 | 1979-05-17 | 1979-11-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-11-15 | 1983-05-17 | 1983-11-16 | $7700.00 | Window Closed / Lapsed |