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| Number | Title | Issue Date |
| 7264704 | Electrolysis cell for restoring the concentration of metal ions in electroplating processes It is described an electrolysis cell wherein the anodic dissolution of metals is carried out, in particular of metals characterised by a relatively high oxidation potential, such as copper, or metals with high hydrogen overpotential, for example tin, aimed at restor... | 09/04/2007 |
| 7163915 | Aqueous solutions containing dithionic acid and/or metal dithionate for metal finishing This invention relates to solutions of dithionic acid and/or dithionate salts which use in metal finishing processes such those used for the cleaning, activating, electroplating, electroless plating, conversion coating and/or other pre-treatment or post-treatment of... | 01/16/2007 |
| 7109375 | Zinc and zinc alloy electroplating additives and electroplating methods An additive for an alkaline zinc or zinc alloy electroplating bath medium, the additive comprising a random co-polymer comprising the reaction product of: (i) one or more di-tertiary amines including an amide or thioamide functional group, and (ii) optionally, one o... | 09/19/2006 |
| 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 |
| 6938552 | Corrosion-resistant structure incorporating zinc or zinc-alloy plated lead or lead-alloy wires and method of making same Structure incorporating lead is fabricated from specially prepared components such that mobility of the lead is impeded when the structure is exposed to an unprotected environment such as weathering outdoors or saltwater. In a preferred embodiment, a bullet or bulle... | 09/06/2005 |
| 6884332 | Method and apparatus for treating an aqueous electroplating bath solution A method and apparatus for treating an aqueous electroplating bath solution. The method comprises continuously agitating the solution; adjusting the pH of the solution, adjusting the temperature of the solution while adding an amount of hydrogen peroxide sufficient ... | 04/26/2005 |
| 6852210 | Plating method and plating bath precursor used therefor To provide a plating method, which enables wide industrial use of the redox system electroless plating method having excellent characteristics, and a plating bath precursor which is preferable for the plating method. The plating method comprises a process oxidizing ... | 02/08/2005 |
| 6773568 | Metal alloy compositions and plating methods related thereto The present invention provides inter alia electroplating compositions, methods for use of the compositions and products formed by the compositions. Electroplating compositions of the invention are characterized in significant part by a grain refiner/stabilizer addit... | 08/10/2004 |
| 6716475 | Biocompatible photonic crystals A materials system or dielectric structure, for example a photonic crystal, of the invention includes a plurality of materials that are biocompatible. The materials have different indices of refraction for the wavelength of operation and are assembled into a dielect... | 04/06/2004 |
| 6709719 | Method for producing a tin-zinc alloy film A tin layer and a zinc layer are stacked sequentially on a given substrate to form a multilayered film composed of the tin layer and the zinc layer. Then, a laser beam is irradiated onto the multilayered film to produce a tin-zinc alloy film through the inter-diffus... | 03/23/2004 |
| 6632346 | Process for electrodepositing zinc oxide film The present process for electrodepositing a zinc oxide film comprises the steps of immersing a substrate and an opposing electrode in an electrodeposition bath which contains zinc nitrate and is kept heated, and forming the zinc oxide film on the substrat... | 10/14/2003 |
| 6607844 | Zn-Mg electroplated metal sheet and fabrication process therefor Provided are a Zn--Mg electroplated metal sheet excellent in corrosion resistance, formability and productivity, and a fabrication process therefor. The Zn--Mg electroplated metal sheet comprises a Zn--Mg electroplated layer including Mg and Zn, the Zn be... | 08/19/2003 |
| 6605369 | Surface-treated copper foil and method for producing the same The present invention is directed to provision of a surface-treated copper foil exhibiting a maximum effect of a silane coupling agent which is adsorbed onto the copper foil and is employed in order to enhance adhesion between the copper foil and a substr... | 08/12/2003 |
| 6582582 | Electroplating composition and process An electroplating bath is disclosed that is particularly suited to the electrodeposition of tin, zinc and alloys of the foregoing in a smooth and bright electrodeposit. The disclosed electroplating bath comprises propanedioic acid, diethyl ester, polymer ... | 06/24/2003 |
| 6576112 | Method of forming zinc oxide film and process for producing photovoltaic device using it The present invention provides a method of forming a zinc oxide film on a conductive substrate, which comprises dipping the conductive substrate and a counter electrode in an aqueous solution containing at least nitric acid ion and zinc ion and supplying ... | 06/10/2003 |
| 6503640 | Method of manufacturing an assembly of brazed dissimilar metal components Disclosed is a method of manufacturing an assembly of components joined by brazing, comprising the steps of: (i) forming the components of which at least one is made from a multi-layered brazing sheet product, the multi-layered brazing sheet product compr... | 01/07/2003 |
| 6451194 | Process for preparing and replenishing an electrolyte in an electrolyte bath A process and apparatus for supplying a soluble metal compound to an electrolyte solution uses a powder wetting device in a loop from a working tank. The powder wetting machine supplies the powdered metal compound directly into the electrolyte solution wh... | 09/17/2002 |
| 6387538 | Surface-treated steel sheet for fuel tanks and method of fabricating same A surface-treated sheet for fuel tanks includes a cold-rolled steel sheet with a low carbon content, a zinc or zinc-based alloy plating layer formed on the steel sheet, and a chromate film coated on the zinc or zinc-based alloy plating layer. The chromate... | 05/14/2002 |
| 6383359 | Method for forming a zinc oxide layer and method for producing a photovoltaic device Provided are a substrate with a zinc oxide layer, in which at least a zinc oxide layer is provided on a support substrate, wherein the zinc oxide layer comprises a zinc oxide layer having the c axis perpendicular to the support substrate and a zinc oxide ... | 05/07/2002 |
| 6372345 | Composite particles for composite dispersion plating and method of plating therewith The present invention is applicable to composite particles for composite dispersion plating used for forming a self-lubricating composite dispersion coating and a method of plating using such composite particles as well as a plating (coating) using the sa... | 04/16/2002 |
| 6334943 | Electroplating installation, electrode and support device for this installation and electroplating process An electroplating installation for coating the conducting surface of a part. The installation includes electrodes submerged in a bath. The electrodes rest on a support device that serves as a support and a current supply. The electrodes and the support de... | 01/01/2002 |
| 6258241 | Process for electroplating metals A process for electroplating metal on a resistive substrate and the article of manufacture produced therefrom are disclosed. The metal layer is electroplated onto the resistive substrate in an electroplating bath having a polarization parameter .xi. less ... | 07/10/2001 |
| 6242105 | Process for coating metallic parts and metallic product thus coated Before the application of an external coating having a base of polyester or epoxy resin, or of a mixture of the two by spraying with an electrostatic spray gun, the parts to be coated are subjected to an initial zinc coating treatment by electrolytic proc... | 06/05/2001 |
| 6183880 | Composite foil of aluminum and copper This invention provides a composite foil comprising an aluminum carrier layer and an ultra-thin copper foil having a protective layer disposed between them comprising a porous copper layer and an interpenetrating zinc layer. A process for producing such c... | 02/06/2001 |
| 6153079 | Aqueous electrodeposition bath based on chlorides for preparation of a coat based on zinc or zinc alloy A bath of pH higher than 4 containing more than 1 mole/liter of Zn++ ions and at least one polyethylene glycol polymer of the general formula R1 --O(CH2 --CH2 --O)n --R2, in which nࣘ13 an... | 11/28/2000 |
| 6136456 | Grain oriented electrical steel sheet and method Grain oriented electrical steel sheet with a very low iron loss and a method for producing the same, wherein the surface of the iron substrate of the grain oriented electrical steel sheet is subjected to an enhancement treatment of crystal grain orientati... | 10/24/2000 |
| 6096183 | Method of reducing defects caused by conductor roll surface anomalies using high volume bottom sprays Defects in metal strips in a continuous electroplating process caused by surface anomalies in the conductor roll are reduced and/or eliminated by spraying a large volume water on the electroplated surface before it contacts the conductor roll. The water m... | 08/01/2000 |
| 6068938 | Magnesium based alloys article and a method thereof An Mg based article excellent in plating adhesion which is produced with an Mg alloy base material regardless of its kind by forming a Zn layer of an average thickness of 0.60 μm or more, or a Zn deposition of 0.43 mg/cm2 or more formed on the... | 05/30/2000 |
| 6019878 | Anode for oxygen evolution in electrolytes containing fluorides or fluoride-complex anions The invention discloses a new electrode suitable for use as an anode for oxygen evolution from electrolytes containing fluorides or fluoride-complex anions even in high concentrations. The anode of the invention comprises a titanium substrate provided with a ... | 02/01/2000 |
| 5922488 | Co-tolerant fuel cell electrode The invention is directed towards a CO-tolerant fuel cell electrode formed from a carbon supported, platinum dispersed, non-stoichiometric hydrogen tungsten bronze electrode catalyst. The electrode catalyst is capable of oxidizing CO at very low potential... | 07/13/1999 |
| 5827419 | Continuous process for the electrogalvanizing of metal strip in a chloride-based plating solution in order to obtain coatings with low rugosity at high current densities An electrogalvanizing process, in which a strip is moved past an anode, plating solution is made to flow at a speed V with respect to the moving strip, and an electric current of current density J greater than 50 A/dm2 is passed between the str... | 10/27/1998 |
| 5810946 | Method for the production of galvanizing fluxes and flux feedstocks A method for the production of zinc ammonium chloride complex salts for use as galvanizing fluxes by heating waste materials captured from industrial processes containing zinc in a reducing atmosphere, leaching the resultant captured waste materials in an... | 09/22/1998 |
| 5720867 | Process for the electrochemical recovery of the metals copper, zinc, lead, nickel or cobalt An electrolytic cell comprising bipolar electrodes is employed for electrochemical deposition of copper, zinc, lead, nickel or cobalt. An interior space is provided between the cathode side and the anode side of a bipolar electrode. The electrolyte can fl... | 02/24/1998 |
| 5718818 | High current density zinc sulfate electrogalvanizing process and composition A high current density electrogalvanizing process and composition are disclosed for reducing high current density dendrite formation and edge burn and controlling high current density roughness, grain size and orientation of a zinc coating obtained from a... | 02/17/1998 |
| 5637205 | Process for the electrolytical coating of an object of steel on one or both sides The invention describes a process for the electrolytical coating of an object of steel on one or both sides. Preferably, the object is a steel strip with zinc or a zinc iron alloy. Zinc or a zinc iron alloy is deposited on the object when the object is co... | 06/10/1997 |
| 5609747 | Method of dissolving zinc oxide A method of dissolving zinc oxide in which, to perform continuous zinc-system electroplating of a steel sheet using an insoluble anode, particularly continuous zinc-nickel alloy electroplating, a dissolution bath is provided in a circuit for a sulfuric ac... | 03/11/1997 |
| 5590799 | Child-resistant closure with castellations A container neck and child-resistant closure for the neck are disclosed. The closure includes an inner part and an outer part, and castellations on the parts which mate when the outer part is displaced axially, to lock the parts together for rotation. A r... | 01/07/1997 |
| 5435896 | Cell having electrodes of improved service life A metal surface, useful as an electrode in an electrolytic cell, is now described having enhanced adhesion of subsequently applied coatings combined with excellent coating service life. The substrate metal of the electrode, such as a valve metal as repres... | 07/25/1995 |
| 5262040 | Method of using a metal substrate of improved surface morphology A metal surface is now described having enhanced adhesion of subsequently applied coatings. The substrate metal of the article, such as a valve metal as represented by titanium, is provided with a highly desirable surface characteristic for subsequent coa... | 11/16/1993 |
| 5246563 | Process for the electrolytic zinc coating of stainless steel In a process for the electrolytic zinc coating of high-grade steel on one and two sides, the latter is connected as a cathode in the form of a high-grade steel strip in a galvanic cell, and metallic zinc is deposited on the high-grade steel strip from an ... | 09/21/1993 |
