Class 429/230 - With mercury

Subclass of Class 429 - Chemistry: electrical current producing apparatus, product, and process
Definition: Apparatus amalgamated with mercury or otherwise combined
No. of patents: 37
Last issue date: 04/11/2006

Number	Title	Issue Date
7025612	Base for a mogul-based lamp A lampsocket having a porcelain body that has a base, a peripheral wall, and at least two of a rigid, longitudinal spacer projecting axially outwardly from the base. The longitudinal upper surfaces of the spacers engage opposite areas of the bottom of the base of th...	04/11/2006
6333127	Electrochemical cell and cell assembly process An electrochemical cell and method of assembling electrochemical cell having a container, an anode, a cathode, and a separator. The anode includes rounded zinc flakes coated on one surface with an absorbent gelling agent and disposed in the container. An ...	12/25/2001
5721065	Low mercury, high discharge rate electrochemical cell This invention pertains to novel alkaline electrochemical cells having high drain capacities, especially cells having high drain rate capabilities at voltages of at least 1.1 volts for use in small appliances such as hearing aids. The anode includes anode...	02/24/1998
5595836	Manganese dry battery A manganese dry battery includes an anode zinc can made of a zinc alloy containing 0.001-0.5 wt. % of titanium and at least one element selected from the group consisting of 0.001-0.05 wt. % of indium and 0.001-0.05 wt. % of bismuth, or a zinc alloy furth...	01/21/1997
5464709	Alkaline cells that are substantially free of mercury Alkaline cells are substantially free of mercury, and employ a zinc anode gel, which gel has a which expansion of less than 25% after being discharged for 161 minutes to 15% depth of discharge at 2.88A....	11/07/1995
5368958	Lithium anode with conductive for and anode tab for rechargeable lithium battery Lithium based electrical cells having a new anode electrode construction are described. The cells have a sandwich construction of lithium sheet, conductive foil and lithium sheet, wherein the anode tab is welded directly onto the conductive foil not onto ...	11/29/1994
5281497	Low mercury or mercury free alkaline manganese dioxide-zinc cell Low mercury or mercury free primary or secondary alkaline manganese dioxide-zinc cell that comprises a manganese dioxide cathode with a manganese dioxide active material and a conductive powder. The active material and powder are uniformly mixed and press...	01/25/1994
5164274	Zinc anodes for alkaline galvanic cells, and cells containing them An alkaline manganese cell--which is generally a rechargeable cell, but which may also be a primary cell--is provided, having an anode composition where the anode comprises an admixture of amalgamated zinc particles, zinc oxide and metallic copper. The me...	11/17/1992
4963447	Alkaline cell with gelled anode An alkaline cell having a gelled zinc negative electrode solely or mainly using, as a gelling agent to hold a zinc powder in an alkaline electrolyte, a granular crosslinking type branched polyacrylic acid, polymethacrylic acid or salts thereof. This gelli...	10/16/1990
4920020	Zinc powder for alkaline batteries A zinc base powder for alkaline batteries consists of 0.05 to 3% of mercury, 0.003 to 0.2% of bismuth, 0.01 to 0.08% of lead, the rest being zinc. This powder has an excellent resistance to corrosion in alkaline medium....	04/24/1990
4861688	Zinc-alkaline battery This invention uses as the anode active material a zinc alloy containing Ni, at least one element selected from In, Pb, Ga and Cd and, optionally further, one element selected from Al, Mg, Ca, Ba and Sr for the anode of a conventional zinc-alkaline batter...	08/29/1989
4857424	Zinc alkaline electrochemical cells with reduced mercury anodes Alkaline zinc-manganese dioxide electrochemical cell containing a small amount of an organosiliconate additive as a means for reducing the amount of mercury used in the zinc amalgam. The organosiliconates added to the anode are film forming organic wettin...	08/15/1989
4812374	Anode active material and alkaline cells containing same, and method for the production thereof An anode active material of zinc powder with indium coexisting therewith, the metals being amalgamated, an alkaline cell using the anode active material therein, and a method for the production of the anode active material or the alkaline cell....	03/14/1989
4777100	Cell corrosion reduction Corrosion is reduced in aqueous electrochemical cells having zinc anodes comprised of single crystal zinc particles by the addition of small amounts of a gas inhibiting surfactant, for example, an organic phosphate inhibitor such as RA600 from GAF Corp. t...	10/11/1988
4735876	Zinc-alkaline battery This invention uses a zinc alloy containing In, one element of Al or Mg and, optionally, one or both of Pb and Cd for the anode of a zinc-alkaline battery which employs zinc as an active material of the anode (2), aqueous alkaline solution as an electroly...	04/05/1988
4632890	Anode metal treatment and use of said anode in cell Gassing is significantly reduced in electrochemical cells having anodes of polycrystalline metals, such as zinc, by heat treatment of the anode metal at a temperature below that of the melting point of the metal for a period of time sufficient to reduce t...	12/30/1986
4632699	Process for preparing zinc powder for alkaline batteries Starting from a homogeneous molten bath composed of zinc, mercury and possibly other elements, an alloy powder with substantially homogeneous particles is prepared and that alloy powder is made to react with metallic mercury or with a mercury compound, th...	12/30/1986
4608325	Anode binders for electrochemical cells A blend of powders to be used in gelled anodes of electrochemical cells contains oil binders comprised of liquid petrolatum or halocarbon, particularly fluorocarbon, oils. Such binders maintain homogeneity of the powdered anode blends even under adverse s...	08/26/1986
4585716	Cell corrosion reduction Corrosion is reduced in aqueous electrochemical cells having zinc anodes by utilizing mercury amalgamated discrete single crystal zinc particles to which small amounts of one or more of indium, thallium, gallium, bismuth, cadmium, tin and lead have been a...	04/29/1986
4579791	Cell anode A method for making single crystals of metal or other crystallizing materials whereby powders of irregular shaped single crystal particles (as small as 325 mesh or about 50 microns) may be readily and economically made. Said method comprises the steps of:...	04/01/1986
4500614	Alkaline cell An alkaline cell is provided which comprises an anode prepared by amalgamating an alloy powder made of zinc and at least two metals selected from the group consisting of gallium, indium and thallium, wherein the amount of mercury is 0.05 to 1.8% by weight...	02/19/1985
4460543	Process for preparation of zinc powder for alkaline batteries by amalgamation of zinc powder Zinc powder containing mercury for alkaline batteries are prepared by reacting zinc powder with metallic mercury in the presence of amalgamation aids with agitation in a closed system, at a partial oxygen pressure of less than 100 mbar, while the volatile...	07/17/1984
4376810	Alkaline cell An electrochemical alkaline cell of the type comprising an anode, cathode and electrolyte for generating electrical energy and exhibiting an output discharge voltage comprises a consumable anode composed of zinc-indium-mercury alloy. The indium constituen...	03/15/1983
4368244	Zinc electrode for use in rechargeable electrochemical cells An improved zinc electrode for use in rechargeable nickel-zinc electrochemical cells having greatly enhanced cycle life is disclosed, which comprises in admixture Zn, ZnO, HgO and an organic liquid binder produced via the reaction of diacetone acrylamide ...	01/11/1983
4281047	Zinc electrode made from a modified zinc oxide for use in rechargeable electrochemical cells An improved zinc electrode for use in rechargeable nickel-zinc electrochemical cells having greatly enhanced cycle life is disclosed, which comprises in admixture Zn, ZnO, HgO and an organic liquid binder produced via the reaction of diacetone acrylamide ...	07/28/1981
4242424	Flat battery The method of making a thin flat laminar battery comprising the steps of coating a substrate with a dispersion of zinc powder and water to produce an anode slurry, and thereafter diffusing electrolytes into said anode slurry; and electrical cells and batt...	12/30/1980
4192914	Long-life alkaline primary battery This invention relates to an alkaline primary battery of the type having a negative electrode containing cadmium of amalgamated zinc and a positive electrode containing monovalent silver oxide, mercuric oxide, or mixtures of these oxides with manganese di...	03/11/1980
4144382	Alkaline cell The active cathode material of an alkaline cell is a mixture of monovalent silver oxide and graphite or a compound of which the main ingredient is divalent silver oxide. The active anode material is powdered mercury-indium-zinc alloy mixed with a suitable...	03/13/1979
4136236	Long-life alkaline primary battery This invention relates to an alkaline primary battery of the type having a negative electrode containing cadmium or amalgamated zinc and a positive electrode containing monovalent silver oxide, mercuric oxide, or mixtures of these oxides with manganese di...	01/23/1979
4104188	Production of zinc powder for electrochemical batteries A process for the production of a zinc powder for electrochemical batteries which require the presence of mercury, in which at least part of the mercury required in the battery is introduced into molten zinc and the molten alloy is homogenized and transfo...	08/01/1978
4091178	Rechargeable alkaline MnO₂ -zinc cell The rechargeable cell comprises a cathode formed from a compressed mixture of manganese dioxide particles, electrically conductive particles and a binder; an anode separated from the cathode and containing amalgamated metallic zinc particles on an electri...	05/23/1978
4056664	Electrochemical cell having an AgO electrode discharging at an Ag₂ O voltage level The voltage level of an electrochemical cell having a divalent silver oxide (AgO) cathode is reduced to and maintained at the monovalent silver oxide (Ag2 O) level by an attenuated divalent silver oxide layer between the divalent silver oxide c...	11/01/1977
4007054	Electric cell with zinc coil anode and method of making it A zinc wire coil is wound as a helix on a conducting support such as a copper or brass wire or rod, and the unit amalgamated in a mercuric salt solution to form a rigid anode element; in a cell such anode maintains substantially uniform spacing between an...	02/08/1977
3970477	Mercury trap and contact An electrochemical cell is provided with means for isolating and segregating the mercury droplets formed during the electrochemical consumption of amalgamated anodic materials. The segregating means comprises amalgamable metal sheet, preferably of expande...	07/20/1976
3964927	Lead dioxide-zinc rechargeable-type cell and battery and electrolyte therefor A lead dioxide-zinc rechargeable-type cell comprises at least one positive lead dioxide plate, at least one negative amalgamated zinc metal plate spaced from said positive plate and parallelly confronted thereto, both plates being permanently submerged in...	06/22/1976
3939010	Manganese dioxide cathode Improved cathodes for use in acid Leclanche cells, particularly of the reserve type where sulphuric acid is added to activate the cell prior to use, are constructed using an anodized lead current collector which possesses advantages over other materials i...	02/17/1976
3935026	Energy cell for watch An energy cell for a wrist watch comprises a silver-zinc button-type cell having a bottom can for the cathode material and a top cap for the anode material mounted thereover with separating means between the anode and cathode materials. The cathode materi...	01/27/1976

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Class 429/230 - With mercury