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| Number | Title | Issue Date |
| 7641743 | Compositions and methods for darkening and imparting corrosion-resistant properties to zinc or other active metals Methods and compositions that serve to both darken a zinc or other active! metal surface and impart corrosion-resistant properties thereto, are disclosed. The compositions include an aqueous solution containing about 0.1 percent to about 5 percent ammonium chloride ... | 01/05/2010 |
| 7585379 | Surface treatment method for carbon steel screws embedded within anticorrosive wood, the associated surface structure and baking finishing formula A baking finishing formula comprise metallic zinc, metallic nickel, metallic aluminum, polyethylene glycol, a silane, fluoride-containing surfactants, corrosion inhibitors and a mixed-type additive. ... | 09/08/2009 |
| 7537663 | Corrosion-inhibiting coating A corrosion-inhibiting coating, process, and system that provides a tight, adherent zinc- or zinc-alloy coating that is directly deposited onto steel or cast iron surfaces for enhanced corrosion protection. A process for applying the coating is also provided. The pr... | 05/26/2009 |
| 7524383 | Method and system for passivating a processing chamber A method and system for passivating a processing chamber is provided, whereby the processing chamber is exposed to one or more cycles of citric acid, or nitric acid. The processing chamber is fabricated, for example, from stainless steel. Each cycle may be performed... | 04/28/2009 |
| 7452427 | Corrosion resistant conversion coatings A conversion coating composition for coating a metal substrate is provided which imparts corrosion resistance to the underlying metal substrate. The conversion coating composition comprises an aqueous carrier and first and second rare earth element salts. A complete... | 11/18/2008 |
| 7422642 | Method for preparing chemical adsorption film and solution for preparing chemical adsorption film used in the method To provide a method which allows the combination of rapid formation of a chemical adsorption film with the preparation of the film which is reduced in the content of impurities and having a dense structure. A method for preparing a chemical adsorption film on the su... | 09/09/2008 |
| RE40406 | Process for coating and/or touching up coatings on metallic surfaces A composition and method for coating and touching up a metal surface is provided. The composition contains from about 0.5 to about 240 millimoles per kilogram of a fluorometallate ion, from about 0.5 grams/liters to about 10 grams/liter of phosphorous-containing ino... | 07/01/2008 |
| 7381281 | Surface treatment method of metal member, and metal goods A method of surface-treating a metal member involves heating, or heating under pressure, the metal member in an aqueous alkaline solution having a pH of 9 or more and containing a manganese compound and a chelating agent dissolved in water, whereby a mold release ag... | 06/03/2008 |
| 7344607 | Non-chromate conversion coating treatment for metals Chromate-free treatments and compositions, for applying a conversion or passivation coating to zinc coated metal surfaces. The compositions comprise a polyamidoamine/epihalohydrin polymer or cationic polyamine/epihalohydrin polymer component, fluoacid, H3... | 03/18/2008 |
| 7332021 | Coating composition A coating composition comprising an aqueous mixture containing acid-stable particles and one or more fluoroacids. The amount of the acid-stable particles in the coating composition is from 0.005% to 8% by weight on a dry weight basis. The acid-stable particles can b... | 02/19/2008 |
| 7318278 | Method of manufacture of a heart valve support frame Methods for forming a support frame for flexible leaflet heart valves from a starting blank include converting a two-dimensional starting blank into the three-dimensional support frame. The material may be superelastic, such as NITINOL, and the method may include be... | 01/15/2008 |
| 7294210 | Use of substituted hydroxylamines in metal phosphating processes Alkyl-substituted hydroxylamines are useful as aids in the phosphating of metal substrates. In particular, the rate of phosphating and the rate at which manganese compounds are dissolved into aqueous phosphoric acid solutions may be accelerated by alkyl-substituted ... | 11/13/2007 |
| 7294211 | Non-toxic corrosion-protection conversion coats based on cobalt Conversion coatings based on cobalt are described for substrate metals such as aluminum, zinc, magnesium, titanium, cadmium, silver, copper, tin, lead, cobalt, zirconium, beryllium, or indium, their alloys, or items coated with these metals. The conversion coating c... | 11/13/2007 |
| 7232478 | Adhesion promotion in printed circuit boards An adhesion promotion process and composition for enhancing adhesion between a copper conducting layer and a dielectric material during manufacture of a printed circuit board. The composition contains a corrosion inhibitor, an inorganic acid, and an alcohol which is... | 06/19/2007 |
| 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 |
| 7208054 | Concentrated solution for preparing a surface conditioner, surface conditioner and method of surface conditioning A concentrated solution (liquid concentrate) for preparing a surface conditioner, a surface conditioner (a treatment solution for preparing a surface), which have the excellent stability of dispersion and a method of a surface conditioning using this surface conditi... | 04/24/2007 |
| 7208053 | Method for applying a phosphate covering and use of metal parts thus phospated Metallic surfaces are coated with an aqueous, acidic phosphate solution containing 10 to 60 g/l zinc, 0.5 to 40 g/l manganese, 50 to 300 g/l phosphate ions calculated as P2O5, and optionally other components. ... | 04/24/2007 |
| 7204871 | Metal plating process A process for forming a coating on a metal substrate includes contacting the substrate with a molybdate solution having a pH of between 3.5 and 5 inclusive containing an acid with the proviso that the acid is not nitric acid. The substrate is contacted with the solu... | 04/17/2007 |
| 7176160 | Method for forming a Fischer-Tropsch catalyst using a boehmite support A method is provided for forming a highly active Fischer-Tropsch catalyst using boehmite having a particular crystallite size. In this method, a support material comprising boehmite is contacted with a catalytic metal-containing compound to form a catalyst precursor... | 02/13/2007 |
| 7168142 | Method of manufacturing a shaped titanium article A method of manufacturing a metallic blank into a shaped article useful as an enclosure for an implantable medical device is described. The method entails a plurality of steps in a particular order to obtain certain finish characteristics. Some of them are a surface... | 01/30/2007 |
| 7135075 | Corrosion resistant coating with self-healing characteristics An aqueous solution for depositing an inorganic corrosion resistant coating on a metal substrate is disclosed. The aqueous solution comprises a film-forming agent, a supplemental anion, and a substrate activator. The film-forming agent is a vanadate salt that forms ... | 11/14/2006 |
| 7095175 | Foil seal lamp A foil seal lamp in which even when a high temperature of the seal area is reached oxidation of the molybdenum metal foils and the molybdenum outer leads which have been placed in the seal area can be reliably prevented, and in which a long service life can be obtai... | 08/22/2006 |
| 7083831 | Chromium-free corrosion preventive and corrosion prevention method A chromium-free corrosion inhibitor containing at least one titanium, silicon and/or zirconium compound corresponding to general formula (I): in which Me is a titanium, silicon or zirconium ion, at least one othe... | 08/01/2006 |
| 7077882 | Gold powders, methods for producing powders and devices fabricated from same Gold powders and methods for producing gold powders. The powders preferably have a small particle size, narrow size distribution and a spherical morphology. The method includes forming the particles by a spray pyrolysis technique. The invention also includes novel d... | 07/18/2006 |
| 7063735 | Coating composition A coating composition comprising an aqueous mixture containing inorganic particles, a catechol compound, and one or more fluoroacids. The preferred fluoroacids are selected from fluorotitanic acid, fluorozirconic acid, fluorosilicic acid, fluoroboric acid, fluorosta... | 06/20/2006 |
| 7056872 | Solution composition for removing a remaining photoresist resin Cleaning solutions for removing photoresist resins remaining on the underlying layer patterns formed by photolithography process using the photoresist patterns as etching mask. The cleaning solution for removing photoresist comprises H2O as solvent, amine... | 06/06/2006 |
| 7045024 | Ferrate conversion coatings for metal substrates A method employing oxide film conversion coatings prepared using ferrate (VI) as the oxidizing agent is disclosed. Metal substrates or surfaces, such as aluminum, aluminum alloys or other metals, are contacted with an aqueous solution comprising ferrate (VI) anions ... | 05/16/2006 |
| 7041200 | Reducing particle generation during sputter deposition In a magnetron sputtering chamber, a substrate is placed in the chamber and a deposition shield is maintained about the substrate to shield internal surfaces in the chamber. The deposition shield has a textured surface that may be formed by a hot pressing process or... | 05/09/2006 |
| 7037384 | Lubricating chemical coating for metalworking A composition for treating the surface of a ferrous metal. The composition comprises aluminum sulfate, boric acid or a boric acid precursor, and polycarboxylic acid or salt thereof. Treatment of the ferrous metal with an aqueous solution of the composition at elevat... | 05/02/2006 |
| 7018486 | Corrosion resistant trivalent chromium phosphated chemical conversion coatings An acidic aqueous solution containing a water soluble trivalent chromium compound is provided with a additive for improving corrosion resistance and reducing precipitation of trivalent chromium over time. A suitable additive is nitrilotris (methylene) triphosphonic ... | 03/28/2006 |
| 7005056 | Method for inhibiting corrosion of alloys employing electrochemistry A method for inhibiting corrosion, e.g., pitting corrosion, of alloys is provided. Particularly, the method comprises contacting at least a portion of a surface of the alloy with an aqueous solution comprising a salt of one or more rare earth elements selected from ... | 02/28/2006 |
| 6991688 | Method for oxalating the galvanized surface of sheet metal A method for forming a zinc oxalate coating on the surface of a strip or sheet of metal covered with a zinc or zinc alloy coating other than zinc/iron coatings, with the aid of an aqueous solution consisting of oxalic acid having a concentration of between 5.10... | 01/31/2006 |
| 6966820 | High quality optically polished aluminum mirror and process for producing A new technical advancement in the field of precision aluminum optics permits high quality optical polishing of aluminum monolith, which, in the field of optics, offers numerous benefits because of its machinability, lightweight, and low cost. This invention combine... | 11/22/2005 |
| 6933025 | Chamber having components with textured surfaces and method of manufacture A component for a substrate processing chamber has a structure composed of aluminum oxide. The structure has a roughened surface having a roughness average of from about 150 to about 450 microinches. A plasma sprayed ceramic coating of aluminum oxide is deposited on... | 08/23/2005 |
| 6929705 | Antimicrobial coated metal sheet The present invention relates to metallic sheets having an improved antimicrobial property and also related to a method of manufacturing such sheets. More particularly, it relates to the continuous coating on metallic sheets with a resin composition containing antim... | 08/16/2005 |
| 6916546 | Method for the production of dark protective layers on flat objects made from titanium zinc The invention relates to the production of protective coatings with a dark color by pickling rolled flat objects, made from titanium zinc, for use in construction. The flat objects are pickled in an aqueous pickling bath containing a mixed acid of sulphuric acid and... | 07/12/2005 |
| 6899956 | Metal coloring process and solutions therefor This invention includes improvements to a method for forming a chemical conversion coating on ferrous metal substrates, to the chemical solutions used in the coating and to the articles coated thereby. A first oxidation applies a molecular iron/oxygen-enriched inter... | 05/31/2005 |
| 6899769 | Composition and method for metal coloring process This invention is a method for forming a chemical conversion coating on ferrous metal substrates, the chemical solutions used in the coating and the articles coated thereby. By modifying and combining the features of two existing, but heretofore unrelated, coating t... | 05/31/2005 |
| 6881279 | High performance non-chrome pretreatment for can-end stock aluminum A chemically and thermally stable chromate free aqueous liquid treatment for metals, especially aluminum, that imparts corrosion resistance as good as that from conventional chromate containing treatments, contains water and a fluoroacid selected from the group cons... | 04/19/2005 |
| 6878217 | Rare earth metal-based permanent magnet having corrosion-resistant film and method for producing the same The chemical conversion film containing, at least as the constituent components thereof, (a) at least one of the metals selected from molybdenum, zirconium, vanadium, and tungsten; (b) a rare earth metal constituting the magnet; and (c) oxygen, which is formed on th... | 04/12/2005 |
