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7422793 |
Rinsing or sealing solutions comprising a rare earth element and a valence stabilizer for barrier films. The treated films contain a rare earth/valence stabilizer complex. The rare earth element is selected from cerium, praseodymium, ter...
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7291217 |
A corrosion-inhibiting pigment comprising a rare earth element and a valence stabilizer combinded to form a rare earth/valence stabilizer complex. The rare earth element is selected from cerium, terbium, praseodymium, or a combination th...
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7232478 |
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 ...
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7186305 |
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 ...
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7037384 |
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...
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6905775 |
Aluminium alloy sheet having on a surface anodic oxide film and an overlying coating consisting essentially of at least one adhesion promoter excluding silanes. Sheet for architectural use carries a paint layer over the adhesion promoter...
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6830821 |
A method for coating zinc, zinc plated, or steel articles with a hydroxy benzoic acid protective coating by coating a cleaned zinc, zinc plated, or steel with a hydoxy benzoic acid composition having a pH of about 2.0 to 5.0; and coating...
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6613390 |
The present invention relates to a compound, non-chromium conversion coating for a part formed from an aluminum alloy. The coating is formed by providing a first solution containing an anodic inhibitor species, providing a second solutio...
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6612746 |
A rolling apparatus has a surface-treated rolling member composed of a metallic rolling element and a metallic race element which have been used with a lubricant, in which the surface of at least one of the rolling element and the race e...
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6544353 |
The invention relates to a method of treating a liquid gallium or gallium alloy surface for prolonged use as a liquid mirror. The method of the invention comprises the steps of (a) contacting the surface of liquid gallium or gallium allo...
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6540845 |
The present invention provides an aqueous agent for treating metal surfaces capable of degreasing and forming a zinc phosphate coat simultaneously. The present metal surface treating agent includes an aqueous solution that includes water...
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6524655 |
A method of modifying a surface is disclosed. The method includes contacting the surface with a hydridosilane under conditions and for a time sufficient to form a covalent bond between a silicon atom of the hydridosilane and the oxygen a...
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6503343 |
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...
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6444054 |
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. S...
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6340438 |
A corrosion inhibiting admixture for concrete is disclosed comprising a combination of organic (amines) and inorganic (nitrites) fractions that provide a synergistic effect when present at a specific ratio. Such a synergistic effect occu...
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6322898 |
The formation of passivation coatings on ferrous substrates is disclosed by heating the substrate in an aqueous 1.0 to 6.0 M basic metal hydroxide treatment bath containing SiO 2 and a water-soluble glycol, at a temperature that is effe...
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6190734 |
A method and a bath for protecting a Zn or Zn alloy surface against the corrosion and oxidation and for improving the wettability characteristics of a Zn or Zn alloy surface with a Sn solder alloy. The method is particularly useful in th...
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6117250 |
Metal surfaces, particularly copper surfaces, which are oxidatively micro-etched to increase surface area, are provided acid-resistance by exposure to a thiazole compound and/or a thiocarbamide compound. The thiazole compound and/or thio...
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6110262 |
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. S...
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6071435 |
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5935307 |
Compositions and methods for the introduction of alloying compounds into a metal substrate using a laser energy source is disclosed. The compositions comprise a viscous fluid mixture of a powdered silicate mineral composite, a powdered m...
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5925174 |
An aqueous liquid composition for treating the surface of copper-containing metals is a dispersion and/or solution in water and organic solvent, at least one silane coupling agent having a functional moiety selected from vinyl, mercapto,...
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5624712 |
Aluminum surfaces are protected with increased corrosion resistance by anodize, and sealing with a liquid fatty acid free of flammable solvents, suitably in the presence of a heterocyclic aromatic azole treating agent where the aluminum ...
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5476552 |
The present invention relates to a method for preparing a titanium or titum alloy surface and a primer for use in the method. The method broadly comprises the steps of grit blasting portions of the surface to which an adhesive will be ap...
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5449415 |
A chromium free conversion coating at least equivalent in corrosion protective quality to conventional chromate conversion coatings can be formed on metals, particularly cold rolled steel, by a dry-in-place aqueous acidic liquid comprisi...
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5427632 |
A chromium free conversion coating at least equivalent in corrosion protective quality to conventional chromate conversion coatings can be formed on metals, particularly cold rolled steel, by a dry-in-place aqueous acidic liquid comprisi...
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5385616 |
A method for inhibiting corrosion of a metal surface bearing a corrosion product including ferrous ions is disclosed. The method comprises applying to the surface a reaction product of an alcohol and a fatty acid maleic anhydride adduct ...
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5344503 |
A method of preventing oxidation of copper powder which comprises the steps of: mixing copper powder, boric acid, and a solvent to form a mixture; and drying the mixture to evaporate the solvent, the boric acid being used in suc...
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RE34707 |
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 regulator such as zinc oxide (ZnO) or co...
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5288341 |
An agent is characterized by containing a polymerizable monomer having a thiophosphoric acid dichloride group. By applying this agent to the surfaces of noble metals, much more durable and increased bond strength is obtained.
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5275671 |
There are provided improved aqueous chemical cleaning compositions for removing organic and inorganic combustion residues from steel products, said compositions meeting the hydrogen embrittlement potential test criteria set forth in ANSI...
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5259884 |
Process comprising a step for the preparation of the metallic substrate by degreasing, possibly followed by mechanical or chemical pickling, a step comprising the use by immersion or spraying of a bath adapted to provide on the met...
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5169458 |
Corrosion resistance of anodized aluminum surfaces is improved by conditioning the surface with a low molecular weight (2-7 carbon atoms) alcohol, and sealing the surface with long chain (10-24 carbon atom) carboxylic acid at low tempera...
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5141575 |
Zinciferous surfaces, particularly those of galvanized steel, may be effectively protected against corrosion, either as treated or after painting, while remaining easy to weld, by contact with an aqueous solution containing chromium in b...
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5104577 |
A surface treatment chemical for aluminum or its alloy consisting essentially of 10-1000 parts by weight of one or more ions of metals selected from the group consisting of scandium, yttrium, lanthanum, praseodymium, neodymium, samarium,...
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5100486 |
A process is disclosed for forming a protective metal coating on a metal surface using a flux consisting of an alkali metal fluoride, an alkaline earth metal fluoride, an alkali metal fluoaluminate, an alkali metal fluosilicate, and mixt...
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5047094 |
This invention relates to a process for coating a surface of a metal I, such as iron, steel, zinc, copper, tin or aluminum with a hydroxy oxime complex of metal II which may be lead of zinc. The complex can be incorporated in a surface c...
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5011551 |
A novel conversion coating composition and a method for treating corroded eel surfaces to convert them into a suitable substrate for accepting organic coatings are provided. Corroded steel surfaces treated with the novel composition of t...
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4931074 |
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 acid and/or one of its derivatives, ...
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4880478 |
A novel conversion coating composition and a method for treating corroded eel surfaces to convert them into a suitable substrate for accepting organic coatings are provided. Corroded steel surfaces treated with the novel composition of t...
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4830680 |
This invention relates to an aqueous composition useful to deposit a corrosion inhibiting and adhesion promoting coating on a corrodible metal substrate and a method for doing same. The composition has a pH of between about 2 and about 1...
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4812174 |
Rust preventing resin composition comprising a condensate of tannic acid, a phenol and an aldehyde or a ketone formed in the presence of an acid catalyst. The composition may be used as anticorrosive or rust preventing coating compositions.
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4799969 |
This invention is directed to non-aqueous magnesium oxide slurries and the use thereof to coat silicon steels prior to high temperature annealing.
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4795505 |
This invention relates to an aqueous, acidic composition useful to deposit a corrosion inhibiting and adhesion promoting coating on a metal substrate and a method for doing same. The composition has a pH of between about 2 and about 6 an...
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4747885 |
A composition and process are useful for providing a corrosion resistant and lacquer receptive coating on the surface of drawn and ironed tin coated cans. The surface is contacted with an aqueous solution of tin containing ions, phosphat...
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4743466 |
For use in magnetic recording tapes and for other purposes, iron and iron alloy materials are passivated and protected against oxidative corrosion by treatment with a solution of a non-hygroscopic salt of bis(triphenylphosphoranylidene) ...
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4708744 |
A phosphate conversion coating aqueous solution and method for its use, which solution contains zinc ions and phosphate ions, and an oxidation accelerator composition comprising (a) a bromate compound and (b) a nitroaromatic.
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4659629 |
A process is disclosed for the protection of magnesium based alloys containing aluminum by treatment with eutectic mixtures of fused salts to provide a corrosion resistant outer layer on the magnesium based alloy. A suitable fused salt m...
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4551301 |
AgCdO based contact elements are replaced in contactors and small circuit breakers with CdO-less type elements which exhibit little burn-off in the arc, a low welding force and minimal heating when carrying continuous current. However, k...
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4540448 |
Composition comprising a hydrophobic liquid, an aqueous acid solution, a surfactant agent and a cosurfactant, a microemulsion being formed between the hydrophobic liquid and the aqueous solution; the surfactant comprises one or more surf...
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