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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...
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...
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...
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,...
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 H 2 TiF 6 or H 2 ZrF 6 and...
6743303 Process for treating adhesion promoted metal surfaces with an organo-silcon post-treatment  
A method for treating a micro-roughened metal surface to improve bonding between the metal surface and a polymer material. The method involves post-treating the micro-roughened conversion coated...
6719852 PROCESSING SOLUTION FOR FORMING HEXAVALENT CHROMIUM FREE AND CORROSION RESISTANT CONVERSION FILM ON ZINC OR ZINC ALLOY PLATING LAYERS, HEXAVALENT CHROMIUM FREE AND CORROSION RESISTANT CONVERSION FILM AND METHOD FOR FORMING THE SAME  
A processing solution for forming a hexavalent chromium free, corrosion resistant trivalent chromate conversion film on zinc or zinc alloy plating layers comprises a silicon compound; trivalent...
6679952 Method of coating aluminum and aluminum alloy substrates and coated articles  
A method of coating aluminum and aluminum alloy substrates not only imparts a corrosion resistance comparable or even superior to that afforded by chromate treatment but also improves the adhesion...
6677053 Surface-treated steel sheet and production method therefor  
A surface-treated steel sheet includes a steel sheet, an Al—Zn-base alloy plating layer formed on the steel sheet, a chemical conversion film provided on the alloy plating layer, and a concentric...
6656294 Method of reducing elution of lead in lead-containing copper alloy, and drinking water service fittings made of lead-containing copper alloy  
It is an object of the present invention to provide a processing method for preventing elution of lead in a lead-containing copper alloy to prevent lead from eluting from a faucet metal, etc. made...
6565671 Surface-treated steel sheet coated with chromate film for fuel tanks and method of fabricating the same  
The present invention relates to a surface-treated steel sheet coated with a chromate layer having excellent corrosion resistance, fuel resistance and seam weldability, and a chromate solution used...
6540844 Mercaptofunctional silanes to deposit sol-gel coatings on metals  
A method for forming a sol-gel on a metal surface to provide an interface for promoting adhesion between the metal surface and an organic resin involves application of at least one metal alkoxide...
6478886 Agent for sealing metallic ground coats, especially ground coats consisting of zinc or zinc alloys  
Agent for sealing metallic substrates, in particular zinc or zinc alloy substrates, characterized in that it consists of an aqueous dispersion of a) at least one silane derivative and b) a...
6361622 Process for coating and/or touching up coatings on metal 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 kilograms of a fluorometallate ion, from about...
6287704 Chromate-free conversion layer and process for producing the same  
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,...
6280535 Manufacturing process on chromate-coated lead-containing galvanized steel sheet with anti-black patina property and anti-white rust property  
A production method for a lead-containing hot-galvanized chromated steel sheet with excellent resistance to blackening and white rust formation comprises: (a) plating a steel sheet in a...
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...
5904786 Method of applying phosphate coatings to metal surfaces  
A method is disclosed for applying phosphate coatings to surfaces of zinc, iron, aluminum, and the alloys thereof by wetting with a phosphatizing solution containing divalent cations and phosphate...
5876517 Chromate-plating bath and process for finishing zinc zinc alloy or cadmium surfaces  
Process for finishing zinc, zinc alloy or cadmium surfaces which consists in bringing the components to be treated into contact first with an acidic chromate-plating bath based on chromium, cobalt...
5807442 Chromate passivating and storage stable concentrate solutions therefor  
A concentrated aqueous solution containing: (A) a component of dissolved phosphate ions; (B) a component of dissolved hexavalent chromium; (C) a component of dissolved anions selected from...
5769967 Composition and process for treating metal  
Heating an aqueous mixture of a fluoroacid such as H 2 TiF 6 and an oxide, hydroxide, and/or carbonate such as silica produces a clear mixture with long term stability against settling of any...
5735972 Black chromate-treatment solution for Zn-Ni alloy plated film  
A black chromate-treatment solution for Zn-Ni alloy plated film comprises 1 to 100 g/l of hexavalent chromium, 1 to 100 g/l of hydrochloric acid residues and/or sulfuric acid residues, 1 to 100 g/l...
5667843 Pre-treating zinciferous surfaces before conventional chromating to improve rust resistance  
The protection against black and white rust on zinciferous surfaces by a conventional chromating treatment is improved by drying into place on the zinciferous surface before chromating a...
5482746 Phosphating solution for metal substrates  
This invention relates to conversion coating of metal substrates which may comprise mixed metals such as steel, zinc or zinc based alloys or zinc aluminium alloy coated steel, aluminium or...
5451271 Conversion treatment method and composition for aluminum and aluminum alloys  
The paint adhesion and corrosion resistance of surfaces of aluminum and its alloys, particularly when using a paint based on poly{vinyl chloride}, is improved by using a conversion coating solution...
5449414 Process for treating metal with aqueous acidic composition that is substantially free from chromium (VI)  
A chromium free conversion coating at least equivalent in corrosion protective quality to conventional chromate conversion coatings can be formed on metals, particularly galvanized steel, by a...
5362334 Composition and process for treatment of metallic surfaces  
Disclosed is a composition and process for the surface treatment of metallic surfaces, which comprises treating said surface in an aqueous solution comprising a benzimidazole compound having either...
RE34707 Anticorrosion coating composition with improved stability, and coated substrate  
The invention relates to an anticorrosion coating composition for a metal substrate, comprising at least: (a) a particulate metal, (b) chromic acid and/or one of its derivatives, (d) a pH...
5342456 Process for coating metal surfaces to protect against corrosion  
A chromium free conversion coating at least equivalent in corrosion protective quality to conventional chromate conversion coatings can be formed on metals, particularly galvanized steel, by a...
5268042 Composition and process for forming improved, non-cracking chromate conversion coatings  
Improved chromate conversion coating composition for forming non-cracking conversion coatings on aluminum or its alloys. Improvement is obtained by control of the total acid (TA) and free acid (FA)...
5223045 Refractory metal composite coated article  
The coated article includes a refractory metal substrate having an oxidation resistant intermetallic layer formed in situ thereon; e.g., a fused refractory metal silicide layer, and a ceramic layer...
5219617 Corrosion resistant coated articles and process for making same  
Metallic articles, and method for making same, having a thin, adherent, chemically formed coating on their surface which preserves the uncoated article appearance and provides a unique combination...
5173130 Process for surface treatment of copper and copper alloy  
Disclosed is a process for the surface treatment of copper or a copper alloy, which comprises immersing the surface of copper or a copper alloy in an aqueous solution containing a benzimidazole...
5123978 Corrosion resistant chromate conversion coatings for heat-treated aluminum alloys  
An improved method of coating 7000 series aluminum alloys, which are difflt to coat uniformly, with a coating resistant to long term corrosion in a salt spray environment is disclosed. By using a...
4971636 Method of producing highly corrosion-resistant surface-treated steel plates  
A method of producing highly corrosion-resistant surface-treated steel plates where Cr elusion is small in spite of drying at low temperatures and corrosion resistance is excellent. In a process...
4931074 Anticorrosion coating composition with improved stability, and coated substrate  
The invention relates to an anticorrosion coating composition for a metal substrate, comprising at least: (a) a particulate metal, (b) chromic acid and/or one of its derivatives, (c) boric...
4761188 Filiform corrosion-resistant primer coating composition and method for preventing filiform corrosion  
A filiform corrosion-resistant primer coating composition for use in application to a metallic substrate, comprising a film forming component containing a film-forming resinous material and a...
4676842 Protective coating for metals  
Enhanced resistance to the corrosion of metals such as aluminum, zinc, magnesium and the like is achieved by the application of a metallo-gel film. The composition of the coating uniquely includes...
4569699 Method for providing a corrosion resistant coating for magnesium containing materials  
The invention is an improved method for depositing a chromite coating onto a magnesium-containing material comprising: contacting the magnesium-containing material with a solution at least...
4504325 Method for sealing an aluminum oxide film  
The corrosion resistance and coating adhesion characteristics of an aluminum oxide film produced by anodization is improved by contacting the film with a dilute aqueous solution of an oxidizing...
4490185 Phosphating solutions and process  
A process for phosphating metal surfaces, particularly iron, steel and zinc-plated steel, by treating them with aqueous, acidic zinc phosphate baths at only moderately elevated temperatures in the...
4451304 Method of improving the corrosion resistance of chemical conversion coated aluminum  
A method for treating aluminum prior to applying a chemical conversion coating for improving its corrosion resistance especially when rigid requirements need to be met. The aluminum is alkaline...
4414039 Method of activating titanium surfaces  
A method of activating titanium surfaces for subsequent cladding with metallic coatings by the steps of wet-blasting, etching and activating, the activating being effected with a solution of...
4365003 Silicate treatment for coated substrate  
Metals, particularly ferrous metals, coated for corrosion resistance with coatings containing particulate metal and hexavalent chromium-providing substance can now be made further corrosion...
4326894 Process for the production of conversion layers on metal surfaces by the spray method  
In the process for the production of conversion layers continuously on a continuously moving band or sheet-like metal surfaces of aluminum, zinc or iron, by the application of a solution creating a...
4269877 Aromatic triazole, precipitation compound and oxidizing compound for increased surface protection and improved adhesion of brass coated steel to rubber  
The vulcanized aged adhesion of rubber to clean brass coated steel cord is improved by the use of benzotriazole (BTA) and/or a precipitation compound such as cyclohexylamine borate and/or an...
4266975 Anticorrosive coating composition  
An anticorrosive coating composition comprising particulate metal, a chromic acid constituent, at least one organic liquid substance and a pH modifier if necessary, in which a part of the chromic...
4230751 Treating composition, forming a mixed-carbide layer of Va-Group elements and of chromium on a ferrous-alloy surface and resulting product  
A method and treating material are presented for forming a mixed-carbide layer of at least one Va-Group element and of chromium on the surface of a carbon-containing ferrous-alloy material. A...
4206264 Corrosion resistant fasteners having an oil-free polyester top coating and method of manufacturing same  
A fastener and method of manufacturing fasteners is disclosed including coating the fastener with a cured, oil-free polyester coating, the cured polyester coating comprising the reaction product of...
4146410 Non-ferricyanide chromate conversion coating for aluminum surfaces  
A composition, and method for using the composition in applying a conversion coating on aluminum and aluminum alloy surfaces, is disclosed. In the method of this invention an aluminum containing...
Matches 1 - 50 out of 151 1 2 3 4 >