US3791889A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fuel composition containing lithium, calcium and fluorocarbon
Assignee: Koninklijke Philips NV
•
Filing: 1972-03-27
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Granted: 1974-02-12
•
Expires: 1992-03-27
Abstract
Abstract A fuel for producing calorific energy by reaction with SF6, the fuel containing mostly lithium and a solid highly fluorinated compound.
Inventors
- 👤 J Schroeder
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 03:51
CPC Classifications
F; F02; F02G; F02G1/00; F02G1/04; F02G1/043; F02G1/053; F02G1/055; C; C06; C06B; C06B27/00; C09; C09K; C09K5/00; C09K5/16; F24; F24V; F24V30/00
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
25 words
A fuel as claimed in claim 1, wherein said carbon compound comprises poly (monochlororifluoroethylene) having a mean molecular weight of between approximately 900 and 10,000.
Claim 2
Dependent Claim
27 words
A fuel as claimed in claim 2, and having the following composition: 5-25 percent by weight of poly(monochlorotrifluoroethylene) and the remainder lithium-calcium mixture (4:1 in gram atoms).
Claim 3
Dependent Claim
36 words
A fuel as claimed in claim 2, and having the following composition: 50 percent by weight of Ca, 35 percent by weight of Li and 15 percent by weight of poly(monochlorotrifluoroethylene) (mean molecular weight approximately 1,000).
Claim 4
Dependent Claim
31 words
The solid fuel of claim 1 wherein the lithium containing composition is a mixture or an alloy of 7 parts by weight of lithium and 10 parts by weight of calcium.
Claim 5
Independent Claim
212 words
A method of manufacturing mouldings from a solid fuel suitable for producing calorific energy by reaction with SF6, said fuel comprising a mixture of a solid or highly viscous halogenated carbon compound in which all the carbon valences not used up by carbon to carbon bonds are either fully saturated with fluorine or partly with fluorine and partly with chlorine and a lithium containing composition wherein lithium is present alone or in a mixture or in an alloy with a metal selected from the group consisting of aluminum, calcium, potassium, magnesium and sodium, the ratio of the carbon compounds to the lithium containing composition being sufficient upon ignition of the composition to react maximally with 30 percent by weight of the metal present in the lithium containing composition, the heat being produced thereby being at least sufficient to melt the reaction products formed as well as any unreacted portion of the lithium containing composition, comprising forming said fuel into a moulding the volume of which corresponds to the volume of the fuel at the temperature reached after ignition of the fuel, said fuel being moulded in an atmosphere comprising SF6 or a volatile fluorcarbon compound thereby incorporating into the resultant moulded fuel a desired amount of said SF6 or volatile flurocarbon compound.
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) | 1977-02-11 | 1977-08-13 | 1978-02-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-02-11 | 1981-08-13 | 1982-02-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-02-11 | 1985-08-13 | 1986-02-12 | $7700.00 | Window Closed / Lapsed |