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Class 148/273 - Contains an atom of arsenic or metal atom other than alkali metal


Subclass of Class 148 - Metal treatment
Definition: Subject matter wherein a reactive liquid composition containing
No. of patents: 185
Last issue date: 10/26/2010


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NumberTitleIssue Date
7819989Surface treating solution for surface treatment of aluminum or magnesium metal and a method for surface treatment
A composition for surface treatment of aluminium, aluminum alloys, magnesium or magnesium alloys and the treating solutions being diluted to the desired concentration are defined. The composition contains (1) compound A containing at least one metal element selected...
10/26/2010
7361548Methods of forming a capacitor using an atomic layer deposition process
Methods for forming a capacitor using an atomic layer deposition process include providing a reactant including an aluminum precursor onto a substrate to chemisorb a portion of the reactant to a surface of the substrate. The substrate has an underlying structure inc...
04/22/2008
7311786Passivation of sulfidic iron-containing rock
A method for passivating sulfidic iron-containing rock comprising: contacting sulfidic iron-containing rock with a magnesium-containing substance, a manganese-containing substance, and a calcium-containing substance; and adjusting the pH of the system to below about...
12/25/2007
7312120Method for obtaining extreme selectivity of metal nitrides and metal oxides
Methods for etching metal nitrides and metal oxides include using ultradilute HF solutions and buffered, low-pH HF solutions containing a minimal amount of the hydrofluoric acid species H2F2. The etchant can be used to selectively remove metal ...
12/25/2007
7294211Non-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
7235142Non-toxic corrosion-protection rinses and seals based on cobalt
Rinsing or sealing solutions based on cobalt are described for barrier films such as anodic coatings, phosphate coatings, or “black oxide” coatings. The treated films contain a trivalent or tetravalent cobalt/valence stabilizer complex. The rinsing or sealing ba...
06/26/2007
7204871Metal 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
7105065Metal layer forming methods and capacitor electrode forming methods
A capacitor electrode forming method includes chemisorbing a layer of at least one metal precursor at least one monolayer thick on a substrate, the layer including non-metal components from the precursor. The chemisorbed layer can be treated with an oxidant and the ...
09/12/2006
7048807Cerium-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 oxidizing agent. The coating deposits spontaneously without an external s...
05/23/2006
7045024Ferrate 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
7030183Surface 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 liter, 2–60 g Zn, 40–300 g caustic alkali, 0.01–50 g adsorbent, 0...
04/18/2006
7008606Process for passivating sulfidic iron-containing rock
A method is provided for passivating sulfidic iron-containing rock comprising contacting sulfidic iron-containing rock with one or more members of the group consisting of magnesium oxide, magnesium hydroxide, magnesium chloride, magnesium nitrate and magnesium carbo...
03/07/2006
7005056Method 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
6991688Method 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
6951691Surface treatment method
This invention relates to a surface treatment method comprising the steps of providing a treating solution containing a specific ammonium compound or aqueous ammonia, and magnesium silicofluoride, heating the treating solution to a temperature of 70 to 100° C., and...
10/04/2005
6946201Chromium (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, aluminum and borate, a corrosion protection of approx. 100 to 1000 h in t...
09/20/2005
6878217Rare 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
6863743Polymetalate 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 general formula MxOyn−, where M is sele...
03/08/2005
6841009Method of manufacturing a reaction vessel suitable for oxidation and decomposition processing with supercritical water
Disclosed is a reaction vessel used for oxidizing and decomposing equipment suitable for processing with supercritical water, and methods of manufacturing the reaction vessel. The reaction vessel comprises an oxide film containing a platinum group metal oxide for ex...
01/11/2005
6821633Non-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
6794046Chemically passivated object made of magnesium or alloys thereof
An article made of magnesium or its alloys, some or all of whose surface has a conversion coating, the conversion coating comprising MgO, Mn2O3 and MnO2 plus at least one oxide from the group consisting of vanadium, molybdenum and tu...
09/21/2004
6773516Process 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
6764553Conversion coating compositions
Corrosion resistant, hydrophilic coatings on the surface of aluminum and aluminum alloys may be formed using aqueous compositions containing fluorometallates such as H2TiF6 or H2ZrF6 and vanadium compounds such as decavana...
07/20/2004
6755918Method for treating magnesium alloy by chemical conversion
The present invention discloses a method for treating magnesium alloys by chemical conversion. This method can improve corrosion resistance and paint adhesion of magnesium alloys, and produces an admirable appearance. Additionally, the method of the present inventio...
06/29/2004
6755917Process 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
6753095Zinc-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 on the surface thereof. The phosphate treated coating comprises mainly...
06/22/2004
6749694Conversion 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 composition of a Group IIA dissolved metal ion, from about 100 to about 200,00...
06/15/2004
6746547Methods and compositions for oxide production on copper
The invention features and methods and compositions for oxide production on a Copper substrate, e.g., a Copper or Copper alloy substrate, to provide for improved adhesion of Copper substrate to polymeric material, e.g., such as used in manufacture of printed circuit...
06/08/2004
6719852PROCESSING 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 chromium and oxalic acid in a molar ratio ranging from 0.5 to 1.5, where...
04/13/2004
6692583Magnesium 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 composition comprises a source of vanadate ions, a materi...
02/17/2004
6677053Surface-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 layer of a Cr compound that is formed on the alloy plating...
01/13/2004
6669786Self-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 Al (III) ions on an aluminum surface, and applying an ioni...
12/30/2003
6645316Post-passivation of a phosphatized metal surface
A process for post-passivation of a phosphated metal surface, characterized in that the phosphated metal surface is treated with an aqueous post-passivation solution which contains from 50 to 500 mg/l of nickel ions and from 200 to 1500 mg/l of phosphate ...
11/11/2003
6638369Non-chromate conversion coatings
A non-chromate conversion coating and method of applying same wherein the coating comprises a titanate, such as potassium titanate or sodium metatitanate, as a "drop-in replacement" for a chromate in an otherwise chromate-containing conversion coating....
10/28/2003
6632294Corrosion protection of steel in ammonia/water heat pumps
Corrosion of steel surfaces in a heat pump is inhibited by adding a rare earth metal salt to the heat pump's ammonia/water working fluid. In preferred embodiments, the rare earth metal salt includes cerium, and the steel surfaces are cerated to enhance th...
10/14/2003
6632293Highly activated hydrogen containing material and method for producing the material
A hydrogen containing material comprises a first compound including hydrogen containing material and fluoride, and a second compound including a metal which becomes highly reactive with hydrogen when the metal becomes a compound including fluorine, and a ...
10/14/2003
6607609Surface treatment method
This invention relates to a surface treatment method comprising the steps of providing a treating solution containing a specific ammonium compound or aqueous ammonia, and magnesium silicofluoride, heating the treating solution to a temperature of 70 to 10...
08/19/2003
6605161Inoculants for intermetallic layer
A deposition process including applying an inoculant to at least a portion of the surface of a metal component, and then forming an intermetallic layer at the inoculant surface, such as by exposing at least the coated surface portion to a deposition envir...
08/12/2003
6569263Corrosion protection
There has been invented a chemically bonded phosphate corrosion protection material and process for application of the corrosion protection material for corrosion prevention. A slurry of iron oxide and phosphoric acid is used to contact a warm surface of ...
05/27/2003
6558480Process and composition for conversion coating with improved heat stability
A conversion coating that does not substantially diminish the luster of a metal surface on which it is coated nor impair adhesion to the surface of lacquers and printing inks commonly used on beverage containers may be provided by contacting the metal sur...
05/06/2003
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