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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...
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7402214 |
Conversion coatings including alkaline earth metal fluoride complexes
An aqueous composition for pretreating and depositing a coating on metal substrates is provided. The coating composition includes from about 1,500 to about 55,000 ppm based on the aqueous...
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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...
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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...
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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...
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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...
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7048807 |
Cerium-based spontaneous coating process for corrosion protection of aluminum alloys
A cerium-based coating for corrosion resistance is applied by exposing a cleaned aluminum-based component to a corrosion-inhibiting cerium solution containing cerium ions in the presence of an...
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7030183 |
Surface treating method and surface treating agent
A plating solution containing zinc, an electrically conductive salt, an adsorbent, and at least one of mono- to hexavalent metal ions. A treatment using either a solution which contains, all per...
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7029769 |
Insulation film, powder for magnetic core and powder magnetic core and processes for producing the same
An insulation film whose requisite constituent elements are first elements and a second element. The first elements include B, P, O and Fe. The second element can generate cations whose...
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6887320 |
Corrosion resistant, chromate-free conversion coating for magnesium alloys
The present invention relates to a process for forming a chromate-free, corrosion resistant coating on a product formed from magnesium or a magnesium alloy and to a solution used for forming the...
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6863743 |
Polymetalate and heteropolymetalate conversion coatings for metal substrates
The present invention provides a conversion coating solution containing polymetalates and/or heteropolymetalates to oxidize the surface of various metal substrates. The polymetalates have the...
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6835460 |
Dry-in-place zinc phosphating compositions and processes that produce phosphate conversion coatings with improved adhesion to subsequently applied paint, sealants, and other elastomers
Excellent adhesion to subsequently applied paint or elastomer is obtained by coating a metal substrate with a phosphate conversion coating by contact with a liquid phosphating solution that...
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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...
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6756092 |
Surface treated steel material, a method for its manufacture, and a chemical conversion treatment liquid
A chemical conversion treatment liquid which can stably form a phosphate-type chemical conversion film on a steel material for a joint portion of an oil well steel pipe containing 0.5-13% Cr is...
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6753095 |
Zinc-based metal plated steel sheet treated with phosphate being excellent in formability and method for production thereof
The aim of the present invention is to provide a phosphate treated zinc coated steel sheet with excellent workability. A steel sheet coated with a zinc based alloy has a phosphate treated coating...
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6740424 |
Surface coated aluminum fine powder and aqueous chromium-free corrosion inhibiting coating composition including the same
A chromium-free corrosion inhibiting coating composition, which does not utilize harmful chromium compounds and can be used for corrosion inhibition of a metal surface, comprising a slurry mixture...
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6692583 |
Magnesium conversion coating composition and method of using same
A conversion coating composition and a method of applying the conversion coating composition to magnesium and magnesium alloy articles prior to painting to prevent corrosion. The conversion coating...
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6673470 |
Surface treated tin-plated steel sheet and surface treatment solution
A surface treated tin-plated steel sheet which has an alloy layer formed on the surface of a steel sheet, a tin plating layer being formed on said alloy layer with a remaining exposed portion of...
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6669786 |
Self-healing non-chromate coatings for aluminum and aluminum alloys
Disclosed are processes and compositions of solutions for chromate-replacement coatings for aluminum and aluminum alloys. A preferred method includes forming a boehmite coating layer that includes...
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RE38285 |
Treating solution and treating method for forming protective coating films on metals
A metallic surface treating solution characterized in that it is an aqueous solution at pH 0.1 to 6.5 comprising a source of at least one selected from the group consisting of Mo, W, V, Nb, Ta, Ti,...
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6620263 |
Zinc phosphating process and composition with reduced pollution potential
The phosphate concentration, and therefore the pollution potential, of conventional high quality phosphating compositions containing zinc, manganese, and, optionally, nickel or copper cations, can...
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6582530 |
Non-chromate protective coating for iron and iron alloys and coating solution
A non-chromate protective coating and coating solution useful for coating iron and iron alloys, particularly steel, includes V 2 O 5 , Ce 2 (MoO 4 ) 3 or SrWO 4 as a corrosion inhibitive component
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6551417 |
Tri-cation zinc phosphate conversion coating and process of making the same
Tri-cation zinc phosphate conversion coating compositions are disclosed. The compositions include a phosphate component, ions of nickel, manganese, and zinc, and a glycerophosphate component, such...
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6530999 |
Phosphate conversion coating
Phosphate conversion coatings having very fine crystal size are obtained using liquid compositions containing phosphate, zinc cations and relatively low concentrations of Co, Ni and Mn.
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6503342 |
Processes for the production of zintl compounds, intermetallic compounds and electronic components including intermetallic compounds
Disclosed is a process for the production of Zintl compounds by thermal decomposition of heterometallic phosphinidene complexes. The heterometallic phosphinidene complex typically comprises at...
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6468364 |
Anticorrosion treatment
An anticorrosion treatment of an aluminium/zinc alloy surface is disclosed. The treatment includes the steps of forming on the alloy surface a coating of a solution which contain 5-40 grams of...
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6440231 |
Process for the collective pretreatment of steel, galvanized steel, magnesium and aluminum before bonding to rubber
A process for the production of a rubber-to-metal bond on steel, galvanized steel, aluminum and/or magnesium is provided The process comprises at least the following steps: a) chemical...
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6409844 |
Surface-treated article of magnesium or magnesium alloys, method of surface preparation and method of coating
An article of magnesium or its alloy having a surface layer containing magnesium condensed phosphate and magnesium phosphate, which can be produced by treating an article of magnesium or its alloy...
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6395105 |
Phosphating process with a metalliferous re-rinsing stage
A process for phosphating metal surfaces in which a nitrite- and nickel-free zinc-containing phosphating solution is applied to the metal surfaces which, if desired, are then rinsed and...
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6376092 |
Surface-treated steel sheet and manufacturing method thereof
The present invention has an object to provide a surface-treated steel sheet which has highly balanced corrosion resistance and formability, and satisfies fundamental properties required mainly for...
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6368394 |
Chromate-free phosphate bonding composition
A heat curable bonding composition for providing a coating to a solid substrate comprises water, phosphate ions, borate ions, and aluminum ions. The bonding composition has a pH in the range from...
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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...
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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)...
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6322906 |
Perforative corrosion resistant galvanized steel sheet
A galvanized steel sheet includes a galvanized coating layer having a coating weight of from about 20 to about 60 g/m 2 formed on at least one surface of the steel sheet, and a zinc phosphate...
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6312821 |
Coating structure having corrosion resistance
The coating structure having a corrosion resistance of the invention contains a formation film formed on the surface of an aluminum alloy material. The formation film is subjected to a zirconium...
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6306226 |
Process for surface-treating an aluminum-containing metal
An aluminum-containing metal material for, for example, a heat-exchanger for motorcars is surface-treated by chemically etching an Al-containing metal material surface, forming a first protective...
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6287394 |
Anti corrosion treatment of metal coated steel having coatings of aluminium, zinc or alloys thereof
The present invention relates to a method for treating a surface of zinc or of an alloy of zinc and aluminum, said method comprising the step of treating said surface with an aqueous solution...
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6224657 |
Hexavalent chromium-free phosphate-bonded coatings
A heat curable bonding composition of the present invention comprises an aqueous solution containing phosphate ion (PO 4 -3 ) and chromium(III) ion (Cr +3 , or trivalent chromium) and is...
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6200672 |
Surface-treated metal plate and metal surface treating fluid
A surface treated metal sheet which is coated with a layer comprising, as main components, a complex and/or salt between a rare earth metal element and an organic compound having in the molecule...
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6126758 |
Aluminide-silicide coatings, coating compositions, process for coating and improved coated products
An improved aluminide coating especially for superalloy substrates. Slurry coating compositions of eutectic metal alloy powders and of non-eutectic metal powders, including an elemental powder of a...
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6074464 |
Phosphate bonded aluminum coatings
A bonding composition for a heat curable overlay coating for coating a substrate is provided. The bonding composition comprises phosphate ions, permanganate ions, at least one species of metal...
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6068710 |
Aqueous composition and process for preparing metal substrate for cold forming
Aqueous liquid treatment compositions comprising as active ingredients boric acid and condensed phosphate ions can form iron phosphate containing conversion coatings on ferriferous substrates at...
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6033492 |
Composition and process for autodeposition with modifying rinse of wet autodeposited coating film
The uniformity of gloss of a dried autodeposited resin film on a metal surface can be increased by rinsing the wet autodeposited film initially formed with an aqueous modifying rinse having a pH...
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6027580 |
Hydrophilicizing post-treatment over chromate conversion coating
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6027579 |
Non-chrome rinse for phosphate coated ferrous metals
The invention provides a non-chrome rinse and method for treating a phosphate conversion-coated ferrous metal substrate. The rinse comprising zirconium ions, vanadium ions, fluoride ions, and...
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6019858 |
Zinc phosphate conversion coating and process
Concentrates containing (a) an hydroxylamine sulfate accelerator, and (b) zinc, nickel, manganese, and phosphate ions are formulated into aqueous coating solutions for treating metal surfaces, such...
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5985047 |
Anticorrosion treatment of metal coated steel having coatings of aluminium, zinc or alloys thereof
The present invention relates to a surface treating dispersion for treating a surface of zinc or of an alloy of zinc and aluminum, the surface treating dispersion comprising an aqueous solution...
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5976272 |
No-rinse phosphating process
A process for phosphating metal surfaces by treatment with an acidic zinc- and phosphathe-containing solution which does not require rinsing. The metal substrate is contacted with a phosphating...
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5968240 |
Phosphate bonding composition
A heat curable protective coating composition for providing barrier protection to a solid substrate. The coating composition comprises an aqueous solution of phosphate ions and nitrate ions and at...
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5942052 |
Surface treatment aqueous solution for metal
A surface treatment aqueous solution is provided which is superior in corrosion resistance and coating adhesiveness as well as in ability of inhibiting the production of precipitate. A tinned DI...
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