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6969417 |
Catalytic alloy for the dissociation of water into hydrogen and oxygen and method of making
The present invention provides a method for combining sodium and aluminum into a single, substantially homogeneous alloy without the need to use potentially dangerous, toxic mercury compounds. The...
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6267923 |
Lead-calcium alloys, particularly for battery grids
A lead alloy for battery grids is disclosed. The lead alloy contains calcium with a relative concentration by weight of between 0.05% and 0.12%; tin with a relative concentration by weight of less...
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6086691 |
Metallurgical process for manufacturing electrowinning lead alloy electrodes
Lead and lead-alloy anodes for electrowinning metals such as zinc, copper, lead, tin, nickel and manganese from sulfuric acid solutions, whereby the electrodes are processed by a repetitive...
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6059900 |
Lead-based solders for high temperature applications
A high lead solder exhibiting improved wettability to metal substrates, an advantageously controlled melting range, and excellent thermal fatigue properties. It comprises about 98-100% lead and a...
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5547634 |
Method for adding aluminum and calcium to molten lead
Process and apparatus for adding calcium and aluminum to molten lead to produce a lead-calcium alloy suitable for battery grids. Particles of calcium and aluminum metal or alloys thereof are fed...
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5330708 |
Sulfide alloys that exhibit thermal bistability
A new ternary sulfide alloy exhibits a metal-semiconductor phase transition with hysteresis as a function of temperature. One embodiment of the bistable material includes barium, cobalt, nickel and...
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5120498 |
Solders having exceptional adhesion to glass
Heavy metal solders having exceptional ability to wet non-metals, especially glass, are produced by the incorporation of small amounts of the light reactive metals lithium, sodium, potassium,...
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4808376 |
Method of alloying aluminum and calcium into lead
A method of alloying powdered aluminum into lead to form lead-calcium-aluminum alloys with relatively high recoveries and low standard deviations of recoveries. The method comprises melting lead,...
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4725404 |
Lead calcium alloy and process of making same
The invention is directed to a lead calcium alloy for electrode grids, the alloy being substantially antimony-free. Copper and/or sulphur in small amounts are added to said alloy in order to...
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4695400 |
Ternary alloy and oil slurry thereof
A ternary alloy consisting of sodium, copper and lead, especially in the form of a slurry in oil, is useful for decontaminating halogenated hydrocarbons by reacting with the halogen therein.
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4627961 |
Calcium-aluminum briquettes
Calcium-aluminum briquettes comprising a mechanically compressed mixture of 65 to 80% by weight of calcium granules and 20 to 35% by weight of aluminum granules are added to molten lead to obtain a...
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4439398 |
Method of alloying calcium and aluminum into lead
Calcium and aluminum are alloyed into lead by adding a eutectic calcium-aluminum alloy to molten lead preferably at a temperature of at least 1020°. The eutectic alloy contains about 73% calcium...
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4415531 |
Semiconductor materials
A novel pseudobinary alloy of Pb 1 -x M x S, wherein 0<x<1 and M is selected from the group consisting of Sr and Ca, exists as a single phase at all compositions. With change in composition...
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4233070 |
Lead alloys for electric storage battery
A lead alkaline earth metal alloy comprising lead, calcium, barium or strontium or mixtures thereof in an amount of 0.075A/40% to 0.13A/40% by weight where A is the atomic weight of alkaline earth...
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4124482 |
Method and apparatus for casting anodes
A method for casting an insoluble anode for use in the electrowinning of copper, the anode being formed by casting molten lead alloy preferably including calcium as an alloying agent in a suitable...
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4050961 |
Method for casting anodes
A method for casting an insoluble anode for use in the electrowinning of copper, the anode being formed by casting molten lead alloy preferably including calcium as an alloying agent in a suitable...
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3939009 |
Method of making battery plate grids for lead-acid batteries and alloys therefor
Battery plate grids for lead-acid batteries are manufactured from an alloy having the following composition in atomic percentages:- TBL Calcium + Lithium 0.22 - 1.04 Aluminium 0.035 -...
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3920473 |
Battery plate grids for lead-acid batteries
An alloy for use in the manufacture of battery plate grids for lead-acid batteries, the alloy having the following composition by weight:
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3859185 |
CALCIUM CONTAINING LEAD ALLOY ANODES FOR ELECTROWINNING
An improvement in processes for electrowinning copper from aqueous, sulfuric acid solutions comprises utilizing anodes of an alloy of lead and calcium containing from about 0.025 to about 0.1...
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3844776 |
METHOD OF CASTING INOCULATED METALS
This invention teaches a method of controlling the grain or solidification structure in castings which have been prepared from inoculated metals. The inoculated molten metal is subjected to...
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3839023 |
CREEP RESISTANT LEAD ALLOYS
A creep resistant lead alloy comprising 0.001 - 1.0 percent by weight of barium and at least one element of the group consisting of silver, aluminum, boron, bismuth, cadmium, hydrogen, magnesium,...
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3637440 |
METHOD OF MAKING A CREEP RESISTANT LEAD ALLOY
The present invention comprises a creep resistant lead base alloy characterized by finely dispersed intermetallic compound and containing, by addition, at least one solid soluble alkali or alkaline...
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3629916 |
MAKING ALKALI METAL ALLOYS FOR CATHODE LAMPS
A type of spectral source lamp has a hollow cup-shaped cathode, the interior of which is coated with the spectrally emitting element or elements. A technique for forming such a coating of an alloy...
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3472637 |
LEAD-ALKALI METAL PARTICLES
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3463637 |
WATER DISINTEGRABLE LEAD SHOT
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3442923 |
PROCESS FOR THE PREPARATION OF ALKYL LEAD COMPOUNDS
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3405186 |
Method for preparing dicyclopentadienyl magnesium
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3287165 |
High capacity lead acid battery with lead calcium negative grids
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3265492 |
Method of utilizing electrolytic cell sludge by recovering calcium metal thereform
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3259490 |
Gettering in semiconductor devices
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3134645 |
Method of producing caustic soda
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3130045 |
Method of effecting exothermic reactions
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3119664 |
Production of alkali metal oxides
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3109805 |
Method and apparatus for the treatment of hydrocarbon oils
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3103067 |
Process of soldering to a ceramic or glass body
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2990276 |
Method of producing alloys of lead and alkali metals
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2854333 |
Method and apparatus for forming liquid alloys of alkali metals
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2811569 |
Contacting semi-metallic electrical conductors
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2811571 |
Thermoelectric generators
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2811441 |
Electrically conductive composition and method of manufacture thereof
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2811721 |
Electrically conductive compositions and method of manufacture thereof
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3794570 |
Title is not available
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0933139 |
Title is not available
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3741754 |
Title is not available
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