Class 205/270 - Iron

Subclass of Class 205 - Electrolysis: processes, compositions used therein, and methods of preparing the compositions
Definition: Subject matter wherein the single metal consists essentially
No. of patents: 35
Last issue date: 10/07/2008

Number	Title	Issue Date
7431815	Method to reduce ferric ions in ferrous based plating baths A process for cathodically reducing unwanted Fe+3 ions to needed Fe+2 ions in an acidic ferrous based plating bath without reducing agents is disclosed. An auxiliary potential of 0.1 to 0.3 volts vs. SCE is applied between the working electrode...	10/07/2008
7235165	Electroplating solution and method for electroplating An electroplating solution may be formulated as an aqueous solution of oxalic acid, trisodium phosphate and ammonium sulfate. Such solutions may be used for both brush plating and bath plating, and are suitable for use with a variety of plating metals and substrate ...	06/26/2007
7144489	Photochemical reduction of Fe(III) for electroless or electrodeposition of iron alloys A method of photochemically reducing iron(III) species in an iron or iron alloy plating solution by adding an additive to the electroplating solution; contacting the additive with iron(III) species to form an iron(III)-additive species; and irradiating the electropl...	12/05/2006
7138043	Method for applying a metal layer to a light metal surface A process for applying a metal layer to surfaces of light metals is proposed, in which iron is electrolytically deposited on the surfaces from a deposition bath containing Fe(II) compounds using dimensionally stable anodes insoluble in the deposition bath. The proce...	11/21/2006
7122105	Use of siderophores to increase the current efficiency of iron plating solutions A method of electroplating iron or an iron alloy with a solution containing an iron-chelating agent to catalytically cycle the undesirable Fe(III) species back to Fe(II) for electroplating. The iron-chelating agents may be siderophores, specifically, for example, de...	10/17/2006
7087315	Method for forming plating film A method for forming a plating film, comprising the steps of: applying a plating film onto an object to be plated at a first current density for a predetermined period in a plating bath having a cathode capable of varying current and an anode and; and maintaining th...	08/08/2006
6797415	Cobalt-nickel-iron alloy thin film and method of forming the same, and thin-film magnetic head and method of manufacturing the same A track width defining layer for defining a write track width of a thin-film magnetic head is made of a CoNiFe film formed through electroplating. The CoNiFe film contains 60 to 75 weight % cobalt, 10 to 20 weight % nickel, and 10 to 20 weight % iron, and has a crys...	09/28/2004
6783654	Electrolytic plating method and device for a wiring board A plating bath which accommodates an insoluble anode and a printed-circuit board, and a copper dissolved bath which supplies copper ions are arranged. The insoluble anode is arranged as opposed to the printed-circuit board being a cathode, and a forward/reverse curr...	08/31/2004
6344125	Pattern-sensitive electrolytic metal plating A process for the electrolytic deposition of a metal, preferably copper or an alloy of copper, directly onto a barrier layer coated on a dielectric layer. The process is advantageous because it electrolytically deposits metal in a pattern that is either t...	02/05/2002
6342147	Process for producing hard, electrodeposited iron with inherent channel porosity A process of producing an iron plating on a metal surface of a part is provided. The process includes the steps of forming and maintaining an electrolytic plating bath to comprise: 200-500 Gm/L ferrous sulfate; 20-70 Gm/L ferrous fluoborate; 10-35 Gm/L am...	01/29/2002
6306276	Aqueous electrodeposition of rare earth and transition metals The present invention relates to the electrodeposition of transition metal and rare earth alloys from aqueous solutions to form thin films. The present invention which comprises the preparation of suitable mixtures of water soluble compounds containing th...	10/23/2001
6287445	Coating particles in a centrifugal bed An apparatus and method are provided for coating particles in a rotating container. A cathode forms an electrically conductive inner surface of a side wall of the container. An anode is positioned relative to the cathode so as to permit both the cathode a...	09/11/2001
6284123	Electroplating formulation and process for plating iron onto aluminum/aluminum alloys An electroplating formulation and process is provided for electroplating an iron layer onto an aluminum or aluminum alloy substrate. The method entails immersing an iron-containing anode and an aluminum containing cathode in an electroplating bath includi...	09/04/2001
6258415	Iron-plated aluminum alloy parts and method for planting same A process for plating aluminum alloy substrates (10), such as 390 aluminum alloy pistons (12), with iron comprises (a) plating on the aluminum substrate a layer of zincate from a zincate bath; (b) plating on the zincate layer a layer (14) of nickel from a...	07/10/2001
6183545	Aqueous solutions for obtaining metals by reductive deposition An aqueous solution for the reductive deposition of metals comprising, besides water, (A) a phosphine of the general formula (1) ##STR1## in which R1, R2, and R3 denote lower alkyl groups, at least one of which being hydr...	02/06/2001
6179985	Metal alloy fluoroborate electroplating baths The use of alkali metal, alkaline earth metal, ammonium and substituted ammonium salts of alkyl and alkanol sulfonic acids as additives in pure metal and metal alloy fluoroborate electroplating baths has a number of unexpected benefits including wider use...	01/30/2001
6146516	Method and device for the repair and/or touch-up of small surface flaws in a press plate or an endless band for surface-embossing of plastic-coated wooden or laminated panels A method and a device are described for the repair and/or touch-up of small surface flaws in large press plates or endless bands of sheet metal, especially steel sheet, having a structured metal coating and a hard-chrome plating for surface-embossing plas...	11/14/2000
5759243	Methods and electrolyte compositions for electrodepositing metal-carbon alloys Methods for electrodepositing a metal-carbon coating on a substrate comprng immersing the substrate in an aqueous electrolyte, and passing a sufficient current through the electrolyte to effect electrolyte deposition of a metal-carbon alloy on the substr...	06/02/1998
5672262	Methods and electrolyte compositions for electrodepositing metal-carbon alloys Methods for electrodepositing a metal-carbon coating on a substrate comprng immersing the substrate in an aqueous electrolyte, and passing a sufficient current through the electrolyte to effect electrolyte deposition of a metal-carbon alloy on the substr...	09/30/1997
5639360	Electrode for an electrolytic cell, use thereof and method using same The present invention relates to an electrode preferably an insoluble electrode for an electrolytic cell. The electrode is located within an enclosure defining a chamber, a wall of said enclosure being formed by a membrane allowing ions to pass therethrou...	06/17/1997
5516419	Hard iron plating of aluminum/aluminum alloys using sulfamate/sulfate solutions Aluminum and aluminum alloy parts, such as pistons, are electroplated with iron employing a ferrous electroplating solution. The solution comprises (a) ferrous iron having a concentration ranging from about 0.65 to 2.0 Moles of Fe2+ per liter ...	05/14/1996
5433797	Nanocrystalline metals A process for producing nanocrystalline materials, and in particular nanocrystalline nickel having an average grain size of less than about 11 nanometers and ternary and quaternary nickel-iron alloys, such as NiFeCr and NiFeCrMn alloys, having a grain siz...	07/18/1995
5173170	Process for electroplating metals An electroplating cell having soluble and insoluble anodes is provided with a primary power supply having a positive terminal connected to the soluble anodes and a negative terminal connected to a cathode including workpieces to be plated. An auxiliary po...	12/22/1992
5167791	Process for electrolytic deposition of iron Electroformed and/or electroplated iron with superior ferro-magnetic properties is prepared by an electrolytic process wherein the iron is deposited from an electrolyte bath containing iron salts and preferably substantially free of carbon. The bath and i...	12/01/1992
4916098	Process and apparatus for manufacturing an electrocatalytic electrode A process and an apparatus for manufacturing electrocatalytic electrodes. The process comprises the steps of immersing a substrate in a plating bath containing metal ions and electrocatalytic material in particles form, such as Ni, NiAl, and CoAl, among o...	04/10/1990
4869792	Electrochemical process for producing catalysts A process for producing catalysts, in which an active component or a compound to be converted into an active component is obtained or deposited on a carrier material, using deposition-precipitation. According to the invention, the formula of a carrier mat...	09/26/1989
4808279	Process for preparing magnetic recording material The invention provides a process for preparing magnetic recording material by depositing ferromagnetic material in particulate form into an aluminum substrate. The aluminum substrate is prepared by cleaning an aluminum or aluminum metal containing substra...	02/28/1989
4765872	Method for treating a plating solution A method for treating a plating solution in an electrolytic cell having a cathode compartment and an anode compartment partitioned by an ion-exchange membrane, which comprises supplying a plating solution containing not more than 10 g/liter of Fe3+	08/23/1988
4755265	Processes for the deposition or removal of metals Methods for depositing metals on or removing metals from substrates are provided which involve the use of electrolytic cells comprising an anode and cathode, sulfuric acid, and a chalcogen-containing compound soluble in said bath and having the empirical ...	07/05/1988
4686017	Electrolytic bath and methods of use An electrolytic bath, suitable for depositing a metal on or removing a metal from a substrate is provided which comprises an anode and cathode, an acid having a pKa of about 6 or less, and a chalcogen-containing compound soluble in said bath an...	08/11/1987
4412892	Pretreatment of superalloys and stainless steels for electroplating Process for activating surfaces of superalloys and stainless steels prior to electroplating a metal such as chromium thereon, whereby a metal deposit having excellent adhesion to the substrate is obtained. The article is activated by anodic etching in a n...	11/01/1983
4230543	Cathode for electrolysis of aqueous solution of alkali metal halide An improved cathode for the electrolysis of an aqueous solution of an alkali metal halide, which shows a reduced hydrogen overvoltage. The cathode comprises a metallic substrate and a coating of iron or both iron and cobalt electroplated thereon from a sp...	10/28/1980
4221639	Aluminium alloy cylinder and manufacturing method thereof An aluminium alloy cylinder includes a cylinder body and a cylinder bore therein. An iron layer is electrodeposited on the wall surface of the cylinder bore by means of a high cathode current density so that a multiplicity of randomly oriented channels ar...	09/09/1980
4160704	In situ reduction of electrode overvoltage A method and apparatus for in situ reduction of cathode overvoltage in electrolytic cells. The method involves introducing low overvoltage or noble metal ions into the catholyte solution and plating those ions on the cathode in situ. The apparatus include...	07/10/1979
4076597	Method of forming iron foil at high current densities A method of electrolytically producing a sheet of iron foil is provided which utilizes a rotating drum cathode and a spaced apart anode. The anode is fashioned from an iron containing material which is capable of producing iron ions that are soluble in th...	02/28/1978

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Class 205/270 - Iron