Patent US4182748A successfully refreshed from Google Patents.
US4182748A
Expired / Lapsed
US
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Material and method for obtaining hydrogen and oxygen by dissociation of water
Assignee: Horizon Manufacturing Corp
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Filing: 1978-05-04
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Granted: 1980-01-08
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Expires: 1998-05-04
Abstract
Abstract A material and method for the decomposition/dissociation of water into hydrogen and oxygen is disclosed. The material comprises an amalgam of an alkali metal, mercury, and aluminum combined with a catalytically effective amount of an alloy comprising platinum and at least one metal selected from the group consisting of germanium, antimony, gallium, thallium, indium, cadmium, bismuth, lead, zinc and tin.
Inventors
- 👤 Eugene R. Anderson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 14:28
CPC Classifications
C; C01; C01B; C01B3/00; C01B3/02; C01B3/06; C01B3/08; Y; Y02; Y02E; Y02E60/00; Y02E60/30; Y02E60/36
Claims Analysis
Total Claims: 31
Claim 1
Independent Claim
83 words
A material for the generation of hydrogen and oxygen from water which comprises an amalgam of an alkali metal, mercury and aluminum wherein the atomic ratio of alkali metal to mercury is from about 3:1 to about 1:1.5 and the atomic weight ratio of alkali metal to aluminum is from about 1:1 to about 3:1 combined with an alloy of platinum and at least one element selected from the group consisting of germanium, antimony, gallium, thallium, indium, cadmium, bismuth, lead, zinc and tin.
Claim 2
Dependent Claim
83 words
A material for the generation of hydrogen and oxygen from water which comprises an amalgam of an alkali metal, mercury and aluminum wherein the atomic ratio of alkali metal to mercury is from about 3:1 to about 1:1.5 and the atomic weight ratio of alkali metal to aluminum is from about 1:1 to about 3:1 combined with an alloy of platinum and at least one element selected from the group consisting of germanium, antimony, gallium, thallium, indium, cadmium, bismuth, lead, zinc and tin.
Claim 3
Dependent Claim
16 words
The material of claim 1 further characterized in that the alkali metal is sodium or potassium.
Claim 4
Dependent Claim
40 words
The material of claim 1 further characterized in that the alloy comprises platinum and at least one metal selected from the group consisting of germanium, antimony, gallium, thallium, indium and cadmium and the alkali metal of the amalgam is sodium.
Claim 5
Dependent Claim
15 words
The material of claim 3 further characterized in that the alloy comprises platinum and antimony.
Claim 6
Dependent Claim
15 words
The material of claim 3 further characterized in that the alloy comprises platinum and germanium.
Claim 7
Dependent Claim
26 words
The material of claim 3 further characterized in that the alloy also contains a metal selected from the group consisting of zirconium, chromium and mixtures thereof.
Claim 8
Dependent Claim
26 words
The material of claim 3 further characterized in that the alloy also contains a metal selected from the group consisting of lead, gold and mixtures thereof.
Claim 9
Dependent Claim
8 words
The material of claim 3 further comprising copper.
Claim 10
Dependent Claim
24 words
The material of claim 3 further characterized in that the ratio, by weight, of alloy to amalgam is from about 1:1 to about 1:5.
Claim 11
Dependent Claim
23 words
The material of claim 9 further characterized in that the ratio, by weight, of alloy to amalgam is about 1:1 to about 1:3.
Claim 12
Dependent Claim
21 words
The material of claim 6 further characterized in that the alloy contains from about 0.7% to about 1.1% by weight chromium.
Claim 13
Dependent Claim
45 words
The material of claim 3 further characterized in that the each of the metallic components of the alloy present in said material is present in an amount of from about 0.4 to about 28.5 weight percent based upon the weight of alloy and amalgam combined.
Claim 14
Dependent Claim
97 words
The material of claim 1 further characterized in that said alloy comprises platinum present in an amount of from about 0.7 to about 1.1% by weight, lead present in an amount of from about 42.9 to about 71.5% by weight, antimony present in an amount of from about 25.5 to about 42.5% by weight, chromium present in an amount of from about 0.7 to about 1.1% by weight, zirconium present in an amount of from about 4.1 to about 6.8% by weight and gold present in an amount of from about 1.1 to about 1.9% by weight.
Claim 15
Dependent Claim
37 words
The material of claim 13 further characterized in that said alloy comprises about 0.9 wt.% platinum, about 57.3 wt.% lead, about 34.0 wt.% antimony, about 0.9 wt.% chromium, about 5.4 wt.% zirconium and about 1.5 wt.% gold.
Claim 16
Dependent Claim
63 words
A process for the generation of hydrogen and oxygen from water which comprises contacting water with an amalgam of an alkali metal, mercury and aluminum wherein the atomic ratio of alkali metal to mercury is from about 3:1 to about 1:1.5 and the atomic weight ratio of alkali metal to aluminum is from about 1:1 to about 3:1 combined with a platinum-containing alloy.
Claim 17
Dependent Claim
63 words
A process for the generation of hydrogen and oxygen from water which comprises contacting water with an amalgam of an alkali metal, mercury and aluminum wherein the atomic ratio of alkali metal to mercury is from about 3:1 to about 1:1.5 and the atomic weight ratio of alkali metal to aluminum is from about 1:1 to about 3:1 combined with a platinum-containing alloy.
Claim 18
Dependent Claim
18 words
The process of claim 15 further characterized in that the alkali metal is sodium, potassium or mixtures thereof.
Claim 19
Dependent Claim
35 words
The process of claim 16 further characterized in that the alloy comprises platinum and at least one metal selected from the group consisting of germanium, antimony, gallium, thallium, indium, cadmium, bismuth, lead, zinc and tin.
Claim 20
Dependent Claim
40 words
The process of claim 15 further characterized in that the alloy comprises platinum and at least one metal selected from the group consisting of germanium, antimony, gallium, thallium, indium and cadmium and the alkali metal of the amalgam is sodium.
Claim 21
Dependent Claim
15 words
The process of claim 18 further characterized in that the alloy comprises platinum and antimony.
Claim 22
Dependent Claim
15 words
The process of claim 18 further characterized in that the alloy comprises platinum and germanium.
Claim 23
Dependent Claim
26 words
The process of claim 18 further characterized in that the alloy also contains a metal selected from the group consisting of ziconium, chromium and mixtures thereof.
Claim 24
Dependent Claim
26 words
The process of claim 18 further characterized in that the alloy also contains a metal selected from the group consisting of lead, gold and mixtures thereof.
Claim 25
Dependent Claim
8 words
The process of claim 18 further comprising copper.
Claim 26
Dependent Claim
24 words
The process of claim 18 further characterized in that the ratio, by weight, of alloy to amalgam is from about 1:1 to about 1:5.
Claim 27
Dependent Claim
23 words
The process of claim 24 further characterized in that the ratio, by weight, of alloy to amalgam is about 1:1 to about 1:3.
Claim 28
Dependent Claim
21 words
The process of claim 21 further characterized in that the alloy contains from about 0.7% to about 1.1% by weight chromium.
Claim 29
Dependent Claim
44 words
The process of claim 18 further characterized in that each of the metallic components of the alloy present in said material is present in an amount of from about 0.4 to about 28.5 weight percent based upon the weight of alloy and amalgam combined.
Claim 30
Dependent Claim
97 words
The process of claim 15 further characterized in that said alloy comprises platinum present in an amount of from about 0.7 to about 1.1% by weight, lead present in an amount of from about 42.9 to about 71.5% by weight, antimony present in an amount of from about 25.5 to about 42.5% by weight, chromium present in an amount of from about 0.7 to about 1.1% by weight, zirconium present in an amount of from about 4.1 to about 6.8% by weight and gold present in an amount of from about 1.1 to about 1.9% by weight.
Claim 31
Dependent Claim
37 words
The process of claim 28 further characterized in that said alloy comprises about 0.9 wt.% platinum, about 57.3 wt.% lead, about 34.0 wt.% antimony, about 0.9 wt.% chromium, about 5.4 wt.% zirconium and about 1.5 wt.% gold.
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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) | 1983-01-07 | 1983-07-09 | 1984-01-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1987-01-07 | 1987-07-09 | 1988-01-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1991-01-07 | 1991-07-09 | 1992-01-08 | $7700.00 | Window Closed / Lapsed |