Patents for C23C 22 - Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals (14,001)
12/2002
12/31/2002US6500276 Polymetalate and heteropolymetalate conversion coatings for metal substrates
12/31/2002CA2245741C Corrosion resistant surface treated metal material and surface treatment agent therefor
12/27/2002WO2002103080A1 Treating solution for surface treatment of metal and surface treatment method
12/27/2002WO2002103062A1 Steel wire or steel wire material excellent in lubricating property
12/27/2002WO2002049960A3 Anti-corrosion agents
12/26/2002US20020197512 Molding a mixture of an SmFeN magnetic powder with a resin binder into a desired shape and subjecting the surface of the shaped body to a coating treatment using a phosphate.
12/26/2002US20020197505 Tin-plated steel sheet
12/26/2002US20020197468 Corrosion inhibitor composition applicable for aluminum and steel protection and procedure
12/25/2002CN1387587A Zinc phosphating process and composition with reduced pollution potential
12/25/2002CN1386905A Chemical method for treating surface of piston ring
12/25/2002CN1386904A Chemical method for treating surface of piston
12/25/2002CN1386903A Tinned steel plate
12/25/2002CN1386902A Chemical conversion reagent for Mg-alloy, surface treatment method and Mg-alloy matrix
12/25/2002CN1386901A Metal surface treating agent and method, and surface treatment of metal material
12/25/2002CN1386805A Metal surface treating agent
12/25/2002CN1386632A Laminate and its production method
12/24/2002US6497772 Treatment for metals such as steel, which is both a wear resistant titanium nitride and phosphate corrosion resistant coating
12/24/2002US6497771 For producing phosphate layers on metal surfaces of iron, steel, zinc, zinc alloys, aluminium or aluminium alloys
12/19/2002WO2002101115A1 Preventing a membrane from blocking up during the treatment of waste water during phosphatization
12/19/2002WO2002100501A2 De-sludging device and method for de-sludging a liquid
12/19/2002US20020192511 Functional coating and method of producing same, in particular to prevent wear or corrosion or for thermal insulation
12/19/2002US20020192460 Laminate and method of manufacturing the same
12/19/2002US20020192387 Composites with improved foam-metal adhesion
12/18/2002EP1266981A1 Anticorrosive agent for stainless steel and method of anticorrosive treatment of stainless steel
12/18/2002EP1266048A2 Dyed conversion layer
12/18/2002EP1266047A1 Method for providing metal surfaces with protection against corrosion
12/18/2002CN1385476A Granule alloy paint supplying corrosion-resisting function
12/17/2002CA2082989C Dipping composition for the treatment of chromatized or passivated galvanizing coatings
12/12/2002WO2002098650A1 Composites with improved foam-metal adhesion
12/12/2002WO2002081769A3 Method for treating ferrous alloy parts in order to improve the rubbing properties thereof without causing hardness loss or deformation
12/12/2002US20020187250 Coating the medical device with titanium or titanium alloy; and immersing the coated portion in an alkaline solution to form a porous layer of alkaline titanate having an irregular pore structure.
12/12/2002DE10142933A1 Membrane filtration of zinc phosphation bath overflow or washing water, e.g. in car, domestic appliance or steel industry, involves adding reagent inhibiting membrane blocking and/or cleaning membrane with acid
12/12/2002DE10128062A1 Entschlammungseinrichtung und Verfahren zum Entschlammen einer Flüssigkeit Desludging and method for desludging a liquid
12/11/2002EP0844316B1 Surface-treated steel sheet excellent in corrosion resistance after working
12/11/2002CN1095880C New bonderizing process at normal temp. before laser-quenching
12/05/2002WO2002097164A2 Composition and method for treating magnesium alloys
12/05/2002WO2002097146A1 Unidirectional silicon steel sheet of ultra-low iron loss and method for production thereof
12/05/2002US20020182418 Weldable, coated metal substrates and methods for preparing and inhibiting corrosion of the same
12/05/2002US20020179190 Reacting slurry of iron oxide and phosphoric acid
12/05/2002US20020179189 Process and composition for sealing porous coatings containing metal and oxygen atoms
12/04/2002EP1261756A1 Zinc phosphating process and composition with reduced pollution potential
12/04/2002EP1261435A1 Metal sheet material with superior corrosion resistance
12/04/2002CN1382835A Operation method for electroplating phosphate on metal surface
12/04/2002CN1382834A Operation method for electroplating on surface of aluminium material
12/04/2002CN1095623C Composite coating composition for metal contg. copper
12/03/2002US6489035 Printed circuit boards; copper surface stabilization with layer of zinc oxide, chromium oxide or nickel oxide; vapor deposition metal, alloy, nitride, silicide or oxide electrical resistance material
12/03/2002US6489034 Stabilizing copper surface with layer of zinc oxide, chromium oxide or nickel oxide; vapor depositing aluminum, nickel, chromium, copper, iron, indium, zinc, tantalum, vanadium, tin, tungsten, zirconium and/or molybdenum
12/03/2002US6488990 Process for providing coatings on a metallic surface
12/03/2002US6488989 Hydrophilicizing surfaces, especially aluminum
11/2002
11/28/2002WO2002024344A3 Method for pretreating and coating metal surfaces, prior to forming, with a paint-like coating and use of substrates so coated
11/28/2002US20020174915 Chemical conversion reagent for magnesium alloy, surface-treating method, and magnesium alloy substrate
11/28/2002DE10124434A1 Funktionsbeschichtung und Verfahren zu deren Erzeugung, insbesondere zum Verschleißschutz, Korrosionsschutz oder zur Temperaturisolation Functional coating and methods for their production, in particular for wear protection, corrosion protection or insulation temperature
11/27/2002CN1381614A Compound inversion cladding material without chromium for aluminium alloy
11/26/2002US6485580 Composition and process for treating surfaces or light metals and their alloys
11/21/2002WO2002092880A1 Corrosion inhibitor composition applicable for aluminum and steel protection and procedure
11/21/2002WO2002033145A3 Adhesion promoter for varnishes and adhesives applied to metal
11/21/2002US20020172776 Contacting metal with solution comprising mercapto-substituted silane and n-methyl-2-pyrrolidone, butyrolactone, diethylene glycol butyl ether, hexylene glycol, ethylene glycol monobutyl ether and/or alcohols as solvent, baking
11/21/2002US20020170632 Forming a chromate film on the surface
11/21/2002DE10117143A1 Removing fat and purifying rinsing water for public use
11/20/2002EP1258542A2 Functional coating and process for its production, in particular for wear protection, corrosion protection or for temperature isolation
11/20/2002EP1257401A1 A compound mold and structured surface articles containing geometric structures with compound faces and method of making same
11/20/2002EP1163378B1 Chemically passivated object made of magnesium or alloys thereof
11/19/2002US6482274 Nonchromate metallic surface treating agent for PCM use, method for PCM surface treatment, and treated PCM steel panel
11/19/2002US6482273 Preparation of workpieces for cold forming
11/14/2002WO2002090617A1 Method to prevent specks or hairline cracks in, and premature failure of, airplane cylinder barrels
11/14/2002US20020168484 Vapor deposition of aluminum film; detaching; crushing; overcoated with protective coating
11/13/2002EP1255877A1 Metal material with modified surface, preparation method and use of same
11/13/2002EP1255797A1 Method for roughening copper surfaces for bonding to substrates
11/13/2002EP1080246B1 Surface-treated steel sheet and manufacturing method thereof
11/12/2002US6479152 Stainless steel sheet having a chromate film on at least one surface, and a lubricant film obtained by applying, a urethane resin of ether-ester type having a skeleton of bisphenol, an epoxy resin and a polyolefin wax
11/12/2002US6478912 Reversibly switchable primers
11/12/2002US6478886 Agent for sealing metallic ground coats, especially ground coats consisting of zinc or zinc alloys
11/12/2002US6478885 Phosphating processes and products therefrom with improved mechanical formability
11/12/2002US6478860 Conditioning metal surfaces before phosphating them
11/07/2002WO2002087786A1 Method for treating iron based parts
11/07/2002US20020164426 Method of adhering coatings to substrates
11/07/2002US20020164425 Immersion in alkaline degreasing solution; concurrent applying ultrasonic frequency; corrosion, oxidation resistant protective coatings
11/06/2002EP1254279A2 Anti-corrosive agents and method for protecting metal surfaces against corrosion
11/06/2002EP1253987A1 Iron powder and method for the preparation thereof
11/06/2002CN1377928A Hydrophilic modifier, hydrophilic modifying method and hydrophilic modified aluminium or aluminium alloy materials therefrom
11/06/2002CN1093891C Aqueous zinc phosphate chemical conversion treatment liquid and process for treating metal material
11/05/2002US6475909 Method of fabricating metal wiring on a semiconductor substrate using ammonia-containing plating and etching solutions
11/05/2002US6475597 Thermoplastic resin-coated aluminum alloy plate and method and apparatus for manufacturing the same
11/05/2002US6475301 Conversion coatings on aluminum from KF solutions
11/05/2002US6475300 Silane coupling agent binds to the substrate metal surface and to the organic film to improve adhesion and corrosion resistance, water dispersible silica, zirconium ions and/or titanium ions, and thiocarbonyl and/or acrylic resin
11/05/2002US6475299 Conversion coating composition based on nitrogen and silicon compounds and conversion coating method using the same
11/05/2002US6474127 Pressing method, in particular for obtaining hydraulic cylinders and high-pressure filters
10/2002
10/31/2002US20020158230 An acidic, water-thinnable formualtion suitable for rust conversion and corrosion inhibition, comprising alkyd resins, an acid, iron oxide pigment, a stabilizer, metallic zinc or zinc compound and and inorganic salt of group 1 or 11 A metal
10/30/2002EP1253813A1 Laminate and method of manufacturing the same
10/30/2002EP1253218A1 Organic composite coated zinc-based metal plated steel sheet
10/30/2002EP1252368A1 Corrosion resistant metal tube and process for making the same
10/30/2002EP1252367A1 Method for oxalating the galvanized surface of sheet metal
10/30/2002CN1377426A Non-chromated oxide coating for aluminum substrates
10/29/2002US6471788 Nontoxic aqueous alkaline solution for forming corrosion resistant protective oxide film on such as aluminum metal or alloy
10/24/2002WO2002083983A2 Determination of accelerator concentration in phosphating baths
10/24/2002WO2002083982A1 Electrical sheet having insulating coating and insulating coating
10/24/2002US20020155314 Chromating; corrosion resistance
10/24/2002US20020153308 Biological cleaning system
10/23/2002EP0793737B1 Zinc phosphate conversion coating composition and process
10/22/2002US6468605 Aerosol spraying
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