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| Number | Title | Issue Date |
| 7993438 | High temperature resistant coating compositions An aqueous phosphoric bonding solution consists essentially of phosphoric acid, a source of magnesium ions, and a leachable corrosion inhibitor. The bonding solution is stable with respect to inorganic metal particles, such as aluminum, which are admixed to the bond... | 08/09/2011 |
| 7964030 | Magnesium coating solution and method for preparing the same A vanadate solution for conversion treating of surface of a magnesium alloy workpiece contains 8.20×104 to 8.20×10−2 mol/liter of metavanadate ion, 1.18×104 to 1.18×10−2 mol/liter of a polyhydroxylated aromatic com... | 06/21/2011 |
| 7789953 | High temperature resistant coating compositions An aqueous phosphoric bonding solution consists essentially of phosphoric acid, a source of magnesium ions, and a leachable corrosion inhibitor. The bonding solution is stable with respect to inorganic metal particles, such as aluminum, which are admixed to the bond... | 09/07/2010 |
| 7678184 | Particulate metal alloy coating for providing corrosion protection Coatings containing particulate metal alloy are disclosed. The coatings provide corrosion protection to a substrate, such as a metal substrate. The coatings contain zinc-metal-containing alloy in flake form, most particularly an alloy flake of zinc and aluminum. The... | 03/16/2010 |
| 7438881 | Anticorrosive pigments The invention submitted concerns anticorrosive pigments of aluminum orthophosphate, their application as anticorrosive pigments in coating agents, as well as a method for their manufacturing. ... | 10/21/2008 |
| 7422629 | Nonsludging zinc phosphating composition and process Electrolysis using a suitable electrolyte provides a completely nonsludging zinc phosphate conversion coating process that produces a high quality conversion coating in a very short time. The suitable electrolyte contains at least water, dissolved nitric acid, and d... | 09/09/2008 |
| 7419538 | Highly anti-corrosive metal pigments Highly anti-corrosive thin-platelet like metal pigments having high corrosion resistance and good dispersibility characterized in that the inherent metallic luster of the thin-platelet like metal substrates is maintained without demanding the original surface smooth... | 09/02/2008 |
| 7393406 | In situ formation of chloride sequestering compounds The present invention provides methods and compounds for the in situ formation in concrete of chloride sequestering compounds that resist corrosion of metals contained within the concrete. These chloride sequestering compounds may include, but are not limited to, co... | 07/01/2008 |
| 7341677 | Non-carcinogenic corrosion inhibiting additive A non-carcinogenic corrosion inhibiting additive includes an anodic corrosion inhibitor and/or a cathodic corrosion inhibitor and a solubility enhancer for the inhibitors in the form of a metal complexing agent. ... | 03/11/2008 |
| 7311944 | Aluminum phosphate coatings Aluminophosphate compounds and compositions as can be used for substrate or composite films and coating to provide or enhance, without limitation, planarization, anti-biofouling and/or anti-microbial properties. ... | 12/25/2007 |
| 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 |
| 7264661 | Particulate metal alloy coating for providing corrosion protection Coatings containing particulate metal alloy are disclosed. The coatings provide corrosion protection to a substrate, such as a metal substrate. The coatings contain zinc-metal-containing alloy in flake form, most particularly an alloy flake of zinc and aluminum. The... | 09/04/2007 |
| 7252705 | Zinc-rich water-based paint A zinc-rich water-based paint blends a binder and a chelating agent in a zinc slurry. The zinc slurry is blended in an amount of 61.7% by weigh. A potassium as the binder is blended in an amount of 30.0% by weight. A blending quantity of an ion exchange water is dec... | 08/07/2007 |
| 7250076 | Use of MoOas corrosion inhibitor, and coating composition containing such an inhibitor The subject matter of the invention is the use of MoO3 as a corrosion coating composition for metal parts, characterized in that it comprises: at least one particulate metal; an organic solvent; a thickener; a silane-based binder, preferably carrying epox... | 07/31/2007 |
| 7232479 | Coating composition for a metal substrate The invention relates to a coating composition for a metal substrate exhibiting a free outer surface consisting of a metal coating based on zinc or a zinc-based alloy, characterized in that it comprises: silicate(s) of sodium and/or potassium and/or lithium (3-35 wt... | 06/19/2007 |
| 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 |
| 7179403 | Anti-corrosion solutions for air dehumidification systems Anti-corrosion solutions useful for air dehumidification processes are disclosed. Phosphonate corrosion inhibiting agents or mixtures thereof can be added to halide solutions of alkali metals, alkaline earth metals, or mixtures thereof, to minimize corrosion of the ... | 02/20/2007 |
| 7175882 | Process for coating metal surfaces A protective coating is formed on a metallic surface by contacting the surface with an aqueous solution of fluorometallate followed by an aqueous solution containing vanadate ions. The process does not require the use of any organic substances, but provides a corros... | 02/13/2007 |
| 7166328 | Primer coating of steel A process for primer coating of steel which is intended to be fabricated and overcoated, in which process the steel is primer coated with a primer coating comprising a silica or silicate binder, wherein the binder comprises an aqueous silica sol or alkali metal sili... | 01/23/2007 |
| 7163578 | Sealing composition having corrosion inhibitor therein A composition for sealing at least one fluid leak in heat exchange systems comprises at least one solvent, and fibrillated fiber in an amount and of a size sufficient to become entrained in and seal the one leak. At least one corrosion inhibitor is present in an amo... | 01/16/2007 |
| 7156905 | Composition and method for treating magnesium alloys The invention relates to a composition and method for treating a magnesium alloy. The inventive composition comprises an acid aqueous solution containing niobium pentoxide, a water-soluble cerium salt and, optionally, a zirconium salt and/or hydroflouric acid. Said ... | 01/02/2007 |
| 7153348 | Hexavalent chromium-free surface-treating agent for Sn or Al-based coated steel sheet, and surface treated steel sheet A hexavalent chromium-free surface treating agent for Sn- or Al-based coated steel sheet, comprising a trivalent chromium compound (A), a water-dispersible silica (B), a lubricity imparting component (C) made of one or more waxes of polyolefin wax, fluorine-containi... | 12/26/2006 |
| 7150852 | System and method for reducing galvanic corrosion associated with a mechanical locking device A method and system for preventing galvanic corrosion associated with a fastener of a first metal type and within an orifice of a second metal type for receiving said fastener. The method includes coating the fastener with a corrosive inhibitor and by further coatin... | 12/19/2006 |
| 7144455 | Process for preparing yellow iron oxide pigments with CaCoprecipitant The present invention relates to a process for preparing yellow iron oxide pigments by the precipitation method from iron(II) chloride or iron(II) sulphate raw material and calcium carbonate precipitant. ... | 12/05/2006 |
| 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 |
| 7118807 | Use of MoOas corrosion inhibitor, and coating composition containing such an inhibitor The subject of the invention is the use of MoO3 as a corrosion inhibitor, and an anti-corrosion coating composition for metal parts, characterized in that it comprises:—at least one particulate metal;—an organic solvent;—a thickener;—a silane-base... | 10/10/2006 |
| 7105472 | Coating solution for metals and metal alloys The present invention relates to a coating solution to be applied on the surface of metals or metal alloys, a process for cold forming of metals and metal alloys using said coating solution, and a coated blank made of a metal or a metal alloy. ... | 09/12/2006 |
| 7081156 | Method of resisting corrosion in metal reinforcing elements contained in concrete and related compounds and structures A method of resisting corrosion of metal elements in concrete is provided. It includes introducing into concrete containing metal elements, at least one combination compound capable of sequestering chloride ions having the formula 3Me(II)O.(R,R′)2O... | 07/25/2006 |
| 7081157 | Use of MoOas corrosion inhibitor, and coating composition containing such an inhibitor The subject matter of the invention is the use of MoO3 as a corrosion coating composition for metal parts, characterized in that it comprises: a least one particulate metal; an organic solvent; a thickener; a silane-based binder, preferably carrying epoxy... | 07/25/2006 |
| 7074263 | Direct sequestration of chloride ions The present invention provides methods and compounds for the direct sequestration of chloride ions without requiring the addition of a source of anion such as nitrite or nitrate. A direct sequestration additive is introduced to fresh concrete or hardened concrete wh... | 07/11/2006 |
| 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 |
| 6942929 | Process chamber having component with yttrium-aluminum coating A substrate processing chamber component is a structure having an integral surface coating comprising an yttrium-aluminum compound. The component may be fabricated by forming a metal alloy comprising yttrium and aluminum into the component shape and anodizing its su... | 09/13/2005 |
| 6936349 | Method of coloring magnesium material, and housing made of colored magnesium material A housing made of a magnesium material is colored by a non-painting process. In this process, an anode oxide film is grown on the surface of the housing by subjecting the housing to anodization. The anode oxide film is colored without a paint being applied to the su... | 08/30/2005 |
| 6911139 | Process for treating a conductive surface and products formed thereby The disclosure relates to a process for forming a deposit on the surface of a metallic or conductive surface. The process employs an electrolytic process to deposit a silicate containing coating or film upon a metallic or conductive surface. ... | 06/28/2005 |
| 6896722 | Zinc dust containing slurry and waterborne coating material A zinc dust containing slurry is prepared by mixing 7.8 weight percent of a solution of a sodium silicate. 72.0 weight percent of the demineralized water, 0.2 weight percent of a surface active agent and 20 weight percent of zinc dust. A waterborne coating material ... | 05/24/2005 |
| 6840990 | Sealing composition having corrosion inhibitor therein A composition for sealing at least one fluid leak in heat exchange systems comprises at least one solvent, and fibrillated fiber in an amount and of a size sufficient to become entrained in and seal the one leak. At least one corrosion inhibitor is present in an amo... | 01/11/2005 |
| 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 |
| 6773516 | Process and solution for providing a conversion coating on a metallic surface I An aqueous acidic solution for forming a rare earth element containing conversion coating on the surface of a metal, said solution being chromate-free and including effective quantities of at least one rare earth element (as herein defined) containing species, an ox... | 08/10/2004 |
| 6774165 | Amine-free emulsification of alkaline earth metal sulfonates A method of preparing an amine-free emulsion of alkaline earth metal sulfonates is disclosed. A solution of water and a nonionic, associative thickener of the type normally used for viscosity and thixotropy modification of latex compounds is combined with an overbas... | 08/10/2004 |
| 6755917 | Process and solution for providing a conversion coating on a metallic surface II An aqueous acidic solution for forming a conversion coating on the surface of a metallic material, said solution containing at least one rare earth element (as herein defined) containing species, an accelerator additive selected from the group consisting of metals o... | 06/29/2004 |
