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| Number | Title | Issue Date |
| 7662241 | Corrosion inhibitor composition applicable for aluminum and steel protection and procedure A corrosion-inhibiting composition for application to a metal substrate, such as aluminum or steel, and in connection with a paint, and the synthesis of the composition. The active inhibitor constituent of the composition can be selected from the group consisting of... | 02/16/2010 |
| 7371272 | Modifier for hydrophilicity, hydrophilic modification method and aluminum material or aluminum alloy material modified hydrophilic thereby A modifier for hydrophilicity and a hydrophilic modification method capable of suppressing not only the odor of the resulting hydrophilic coat itself, but also the unpleasant odor emanation after exposure to odorants and retaining the hydrophilicity even during a lo... | 05/13/2008 |
| 7371428 | Duplex gas phase coating Method of forming different diffusion aluminide coatings on different surface regions of the same superalloy substrate involves positioning the substrate in a coating chamber having a aluminum-bearing coating gas flowing therein with a first substrate surface region... | 05/13/2008 |
| 7273635 | Method of forming aluminide diffusion coatings Method of forming an outwardly grown aluminide diffusion coating on a superalloy substrate disposed in a coating retort including the steps of heating the substrate to a temperature of 900 to 1200 degrees C., flowing a coating gas comprising aluminum trichloride and... | 09/25/2007 |
| 7261761 | Metallic nickel powder and process for production thereof A metallic nickel powder exhibits superior oxidation behavior and sintering behavior in a process for production of a multilayer ceramic capacitor, and as a result, can prevent delamination, a process for production of the metallic powder is provided. The metallic n... | 08/28/2007 |
| 7232528 | Surface treatment agent for copper and copper alloy The surface treatment agent for copper and copper alloys contains hydrogen peroxide, a mineral acid, an azole compound, silver ion and a halide ion. The surface treatment agent for copper and copper alloys is useful in the production of printed wiring boards in elec... | 06/19/2007 |
| 7186305 | Process for improving the adhesion of polymeric materials to metal surfaces A process is described for treating metal surfaces with a composition comprising an oxidizer, an acid, a corrosion inhibitor, an unsaturated alkyl substituted with an aromatic or non-aromatic cyclic groups, and optionally but preferably a source of adhesion enhancin... | 03/06/2007 |
| 7134199 | Fluxless bumping process A process including providing a semiconductor device including a bond pad, and an under bump metallurgy overlying the bond pad. Forming a solder structure over the under bump metallurgy, and wherein the solder structure includes an outer layer including tin oxide. P... | 11/14/2006 |
| 6962681 | Methods and systems for reducing or eliminating the production of pollutants during combustion of carbon-containing fuels Systems and apparatus for increasing combustion efficiency during combustion of a carbon-containing fuel such as a fossil fuel. The systems and apparatus utilize catalytically reactive particles within a reaction chamber, typically silica or alumina, that interact w... | 11/08/2005 |
| 6951691 | Surface treatment method This invention relates to a surface treatment method comprising the steps of providing a treating solution containing a specific ammonium compound or aqueous ammonia, and magnesium silicofluoride, heating the treating solution to a temperature of 70 to 100° C., and... | 10/04/2005 |
| 6946201 | Chromium (VI)-free conversion layer and method for producing it A chromium(VI)-free, chromium(III)-containing and substantially coherent conversion layer on zinc or zinc alloys presenting, even in the absence of further components such as silicate, cerium, aluminum and borate, a corrosion protection of approx. 100 to 1000 h in t... | 09/20/2005 |
| 6881491 | Protective fluoride coatings for aluminum alloy articles An aluminum alloy article is cleaned to remove oxides and organic matter from a coatable surface, coated with a composition comprising an organic resin and a fluorine compound, and then heated to an elevated temperature to decompose the organic resin and at least a ... | 04/19/2005 |
| 6821633 | Non-chromate conversion coating compositions, process for conversion coating metals, and articles so coated In at least one aspect, the invention relates to an entirely or substantially chromium-free conversion coating composition and process for conversion coating metal surfaces that provides corrosion resistance. In at least another aspect, the present invention relates... | 11/23/2004 |
| 6780256 | Method of treating a metal surface with a no rinse zinc phosphate coating An aqueous solution and method for applying the solution to a metal surface form a zinc phosphate coating on the metal surface. The zinc phosphate coating minimizes corrosion and improves adhesion of subsequently coated materials such as sealants and paints. The sol... | 08/24/2004 |
| 6764553 | Conversion coating compositions Corrosion resistant, hydrophilic coatings on the surface of aluminum and aluminum alloys may be formed using aqueous compositions containing fluorometallates such as H2TiF6 or H2ZrF6 and vanadium compounds such as decavana... | 07/20/2004 |
| 6733600 | Nitrided maraging steel and method of manufacture thereof A maraging steel is subjected to the aging to have a hardness of more than 500 Hv. A nitrided case is formed to have a depth that is about 20% to 50% to a ½ thickness of the maraging steel plate. An endless ring for a metal belt is constructed by the above maraging... | 05/11/2004 |
| 6730179 | Method for producing local aluminide coating Method for localized aluminide coating applied for the first time or as repair includes creating a contained space by disposing coating material comprising an aluminum source and a halide activator at least partially over and in an out-of-contact relation with a tar... | 05/04/2004 |
| 6699603 | Stainless steel having passive fluoride film formed thereon and equipment manufactured therefrom A stainless steel with a passive state fluorinated film formed thereon, which is easy to construct and does not produce particles even when it is welded, and a device using the same. The stainless steel does not cause leakage even when said film is formed... | 03/02/2004 |
| 6632293 | Highly activated hydrogen containing material and method for producing the material A hydrogen containing material comprises a first compound including hydrogen containing material and fluoride, and a second compound including a metal which becomes highly reactive with hydrogen when the metal becomes a compound including fluorine, and a ... | 10/14/2003 |
| 6607609 | Surface treatment method This invention relates to a surface treatment method comprising the steps of providing a treating solution containing a specific ammonium compound or aqueous ammonia, and magnesium silicofluoride, heating the treating solution to a temperature of 70 to 10... | 08/19/2003 |
| 6605161 | Inoculants for intermetallic layer A deposition process including applying an inoculant to at least a portion of the surface of a metal component, and then forming an intermetallic layer at the inoculant surface, such as by exposing at least the coated surface portion to a deposition envir... | 08/12/2003 |
| 6602356 | CVD aluminiding process for producing a modified platinum aluminide bond coat for improved high temperature performance A method of depositing by chemical vapor deposition a modified platinum aluminide diffusion coating onto a superalloy substrate comprising the steps of applying a layer of a platinum group metal to the superalloy substrate; passing an externally generated... | 08/05/2003 |
| 6596097 | Method of coating a metal substrate with a radioactive layer A method for the immobilization of a radioactive anion on the surface of a metal substrate, said method comprising treating the substrate with an oxidizing agent in the presence of a solution of a radioactive anion which forms an insoluble salt with ions ... | 07/22/2003 |
| 6592941 | Aluminum and silicon diffusion coating A method of forming an aluminum silicon diffusion coating on a surface of an alloy product utilizes a diffusion mixture containing by weight 1% to 5% aluminum, 0.5% to 5% silicon, 0.5% to 3% ammonium halide activator and the balance an inert filler. The p... | 07/15/2003 |
| 6537388 | Surface alloy system conversion for high temperature applications Chromium, silicon, aluminum, and optionally manganese are diffused onto the surface of a high temperature alloy product, to provide a coating having improved resistance to carburization and catalytic coke formation and smoother surfaces for high temperatu... | 03/25/2003 |
| 6524403 | Non-chrome passivation process for zinc and zinc alloys A non-chrome containing composition and process are disclosed for enhancing the corrosion resistance of zinc or zinc alloy surfaces. The composition comprises a source of titanium ions or titanates, an oxidant and fluorides or complex fluorides. The compo... | 02/25/2003 |
| 6517642 | Method and apparatus of producing thin film of metal or metal compound A thin film of metal or metal compound is produced by preparing an ultrafine particle dispersion liquid by dispersing ultrafine particles at least partly made of metal into a given organic solvent, applying the ultrafine particle dispersion liquid to a su... | 02/11/2003 |
| 6508890 | Method of enhancing the conductivity of a conductive surface The present invention is drawn to a method of lowering the net resistivity of an interconnect by depositing a monomer layer upon an aluminum bonding pad, the treatment thereof to cross link the monomer to form an electrically conductive polymer, and simul... | 01/21/2003 |
| 6503344 | Boronizing agent in paste form A boronizing agent in the form of a paste for the production of boride layers on metallic workpieces. The boronizing agent contains boron-releasing substances, activating substances and the remainder of inert, refractory extenders together with water and ... | 01/07/2003 |
| 6503343 | Controlled plating on reactive metals A direct displacement plating process provides a uniform, adherent coating of a relatively stable metal (e.g., nickel) on a highly reactive metal (e.g., aluminum) that is normally covered with a recalcitrant oxide layer. The displacement reaction proceeds... | 01/07/2003 |
| 6491766 | Activated nickel screens and foils A coating composition and process have been developed to provide an activated coating on nickel screen for use as cathodes in electrolytic cells for the generation of hydrogen and oxygen. Compared to the earlier Classical Pack Cementation process, the dis... | 12/10/2002 |
| 6475301 | Conversion coatings on aluminum from KF solutions The invention is a method of forming a conversion coating on an aluminum surface. According to the method, the aluminum surface is conversion coated by first treating the surface with thermal degreasing or aqueous alkaline degreasing and then contacting t... | 11/05/2002 |
| 6475297 | Method for forming corrosion resistant coating on an alloy surface Corrosion resistant metal, either platinum or MCrAlY is bonded to a corrosion sensitive metal such as nickel based superalloys by coating the surface with the corrosion resistant metal particles held in a binder and covering this with a metalide generatin... | 11/05/2002 |
| 6461451 | Treatment of ingots or spacer blocks in stacked aluminum ingots A method of treating a surface of a stacked aluminum alloy ingot during a heating process. Spacer blocks are positioned adjacent aluminum alloy ingots to form a stack, wherein the spacer block has a support surface contacting a contact surface of the alum... | 10/08/2002 |
| 6444054 | Slurry compositions for diffusion coatings Slurry coating compositions are provided for metal substrates, particularly nickel or cobalt-containing alloys, that enable inward-type diffusion aluminide coatings having a substantially uniform coating thickness to be formed thereon. Substantially unifo... | 09/03/2002 |
| 6423185 | Process of surface treatment for faces that become contaminated in a paper or board machine The invention concerns a process for treatment of faces that contain chromium or aluminum in a paper/board machine or in a finishing machine. A fluorine compound of low surface energy is applied onto the face, which compound is made to adhere to the chrom... | 07/23/2002 |
| 6355116 | Method for renewing diffusion coatings on superalloy substrates A method for controlled removal of a portion of a diffusion coating from the outer surface of a nickel-containing superalloy article. A diffusion coating typically includes a diffusion layer between an outer aluminide layer and the nickel-containing subst... | 03/12/2002 |
| 6346295 | Alkaline strip passivation Process for the alkaline passivation of galvanized and alloy-galvanized steel surfaces and of aluminum in strip lines, wherein the metal surfaces are brought into contact with an alkaline aqueous solution that contains complexing agents and iron, which ha... | 02/12/2002 |
| 6342107 | Phosphate coatings for metal surfaces Processes and solutions for phosphating metal surfaces. The solutions are acidic aqueous phosphate solutions containing a) from 0.1 to 1.5 g/l of zinc ion; b) from 5 to 50 g/l of phosphate ion; c) from 0.2 to 4 g/l of manganese ion; d) at least 0.05 g/l o... | 01/29/2002 |
| 6334907 | Method of controlling thickness and aluminum content of a diffusion aluminide coating A process for forming a diffusion aluminide coating on a substrate, such as a component for a gas turbine engine. The process generally entails placing the substrate in a suitable coating chamber, flowing an inert or reducing gas into and through the coat... | 01/01/2002 |
