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)
07/2003
07/03/2003US20030121570 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
07/03/2003US20030121569 Corrosion resistance; bonding strength
07/03/2003US20030121568 Pickling process without nitric acid; phosphoric, sulfuric, sulfurous, hydrofluoric, and hydrochloric acids; peroxy compound; a polyether or an alkoxylated amine or quaternary ammonium surfactant
07/03/2003CA2467751A1 Use of substituted hydroxylamines in metal phosphating processes
07/02/2003EP1322799A1 Surface treatment for improved hardness and corrosion resistance
07/02/2003EP1322432A2 Process for treating adhesion promoted metal surfaces
07/02/2003EP0917497A4 Composition and process for treating metal surfaces
07/02/2003CN1427899A Magnesium oxide particle aggregate
07/02/2003CN1427300A Photographing film container
07/01/2003US6586520 Compositions for imparting desired properties to materials
07/01/2003US6585877 Acid resistance; waterproof
07/01/2003US6585832 Immersing in aqueous sodium hydroxide and sodium nitrite optionally containing sodium nitrate; minimizing caustic stress corrosion cracking
06/2003
06/26/2003WO2003052005A1 Agent for producing a primer on metallic surfaces and method for treatment
06/26/2003US20030118861 Electroless process for treating metallic surfaces and products formed thereby
06/26/2003US20030116536 Overcoating with passivation film; oxidation, etching using acid
06/26/2003US20030116441 Overcoating; prevention impedance, vibration; efficiency
06/26/2003US20030116179 Apparatus for chemically treating a metal part
06/25/2003EP1320418A1 Device and Method for the Surface Treatment of Workpieces
06/25/2003EP1051539B1 Surface-treated steel sheet for fuel tanks and method of fabricating same
06/25/2003CN1426492A Process for producing part made of magnesium and/or magnesium alloy
06/25/2003CN1425801A Surface treating method for anti-lead stripping from lead-copper conbaining alloy
06/24/2003US6582530 Non-chromate protective coating comprising: from 15 to 40 wt. % H3PO4; from 3 to 20 wt. % MgO; from 20 to 75 wt. % Al; and from 1.0 to 20 wt. % of a metal oxide selected from the group consisting Of V2O5, Ce2(MoO4)3 and SrWO4
06/19/2003WO2003049786A2 Metering valve and pharmaceutical metered dose inhaler and methods thereof
06/19/2003US20030113486 Photographic film container
06/19/2003US20030113224 Spraying the surface with hydrogen peroxide and a hypohalite
06/19/2003US20030111351 Surface treatment method of copper foil with silane coupling agent
06/19/2003US20030111153 Tire-reinforcing bead wires
06/19/2003CA2414892A1 Pretreatment spray clean tank configuration
06/12/2003WO2003048417A1 Method for the production of dark protective layers on flat objects made from titanium zinc
06/12/2003WO2003048416A1 Metal material coated with metal oxide and/or metal hydroxide coating film and method for production thereof
06/12/2003WO2003048403A1 Method for coating a metal surface
06/12/2003US20030107109 Moisture corrosion inhibitor layer for Al-alloy metallization layers, particularly for electronic devices and corresponding manufacturing method
06/11/2003EP1318214A1 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, method for forming the same
06/11/2003EP1318213A2 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
06/11/2003EP1318212A1 Agents and methods for the surface treatment of zinc-based coatings
06/11/2003EP1317515A1 Primer coating of steel
06/11/2003EP1234064B1 Galvanized steel for use in vehicle body
06/11/2003CN1422980A Rapid anhydrous phosphorization liquid having chemical impregnation action
06/11/2003CN1422924A Binding-aid composition, multilayer printed circuit making method and rotary coating copper surface
06/10/2003US6576346 Composition and method for metal coloring process
06/05/2003WO2002079539A3 Treatment of zinc and zinc alloy surfaces
06/05/2003US20030104228 Hureaulite conversion coating as a base for the bonding of rubber to metal
06/04/2003EP1315968A2 Method for precipitating mono and multiple layers of organophosphoric and organophosphonic acids and the salts thereof in addition to use thereof
06/04/2003EP1315846A2 Hexavalent chromium-free surface-treating agent for sn- or al-based coated steel sheet, and surface treated steel sheet
06/04/2003EP1315673A1 High temperature amorphous composition based on aluminum phosphate
06/04/2003EP1064332B1 Treatment of metals
06/03/2003US6572983 Treating with a silane coupling agent, water-dispersible silica, a zirconium and/or a titanium compound; drying the panel; and coating with silane coupling agent, water-dispersible silica, and a phosphorus-containing ion
06/03/2003US6572834 Reacting zinc sulfate with calcium nitrite to form an aqueous zinc nitrite solution and a second step of purifying the aqueous zinc nitrite solutions
05/2003
05/30/2003WO2003044243A1 Method of surface treatment for magnesium and/or magnesium alloy, and magnesium and/or magnesium alloy product
05/29/2003US20030098092 Ferrate conversion coatings for metal substrates
05/29/2003US20030098091 Solution of terafluoroboric acid, hexafluorotitanic acid, hexafluorozirconic acid, hexafluorohafnic acid and soluble, partially or totally neutralized salts and vanadate anions
05/28/2003EP1314799A1 Electrochemical treating method such as electroplating and electrochemical reaction device therefor
05/28/2003EP1314796A2 Surface treatment method of metal member, and metal goods
05/28/2003CN1420208A Method for surface treating metal body and metal article
05/27/2003US6569537 Surface treatment method sliding member and piston
05/27/2003US6569498 Passification of zinc surfaces
05/27/2003US6569264 Surface-treating agent for magnesium-based part and method of surface treatment
05/27/2003US6569263 Reacting slurry of iron oxide and phosphoric acid
05/22/2003WO2003042426A2 Regulation of the accelerator concentration in phosphating baths
05/22/2003WO2003042425A1 Composite titanium oxide film and method for formation thereof and titanium electrolytic capacitor
05/22/2003US20030096124 Surface treated steel material, a method for its manufacture, and a chemical conversion treatment liquid
05/21/2003EP1313188A2 Chromate film-containing plug metal component and method for producing the same
05/21/2003EP1312699A2 Pre- treatment tunnel and method of preparing extrusions or section bars for being powder or liquid coated
05/21/2003EP1311644A1 Process for improving polymer to metal adhesion
05/21/2003EP1311630A2 Two-part aqueous metal protection treatment
05/21/2003EP1086261A4 An anticorrosion treatment
05/21/2003EP1071520A4 System and method for inhibiting corrosion of metal containers and components
05/21/2003EP1068452B1 Swash plate with cobalt-tin alloy coating
05/21/2003CN2551657Y Filmed metal plate
05/21/2003CN1419323A Metal element with chromate membrane for plug use and preparation process thereof
05/21/2003CN1418982A Surface medifier for stainless steel fibre and use method thereof
05/21/2003CN1418981A Water based metal dusting-resistant
05/20/2003US6565735 Process for electrolytic pickling using nitric acid-free solutions
05/20/2003US6565722 Installation and method for multilayered immersion coating
05/20/2003US6565671 Surface-treated steel sheet coated with chromate film for fuel tanks and method of fabricating the same
05/15/2003WO2003041093A1 Rare-earth permanent magnet having corrosion-resistant coating, process for producing the same, and treating liquid for forming corrosion-resistant coating
05/15/2003WO2003040437A1 Post-treatment for anodized aluminum
05/15/2003WO2003040432A1 Nickel-based surface treatment films excellent in heat-resistant adhesion to resin
05/15/2003WO2003040431A2 Post-treatment for metal coated substrates
05/15/2003US20030090068 Gasket material
05/15/2003US20030089427 Contacting the wall surface with a fluid that has a dissolved silicate for a time to form a film that has a thickness of < 1000 angstroms
05/15/2003US20030089311 Pre-treatment tunnel and method of preparing extrusions or section bars for being powder or liquid coated
05/14/2003EP1310579A1 Coating material for forming titanium oxide film, method for forming titanium oxide film and use of said coating material
05/14/2003EP1310578A1 Phosphating process accelerated with hydroxylamine and organic nitrogen compounds
05/14/2003CN1417379A Rust-eliminating and rust-preventing liquid
05/14/2003CN1417378A Chemical process of preparing bioactive hydroxy apatite layer on the surface of NiTi alloy
05/13/2003US6562474 Coated steel sheet having excellent corrosion resistance and method for producing the same
05/13/2003US6562467 Corrosion and UV resistant article and process for electrical equipment
05/13/2003US6562458 Iron powder and method for the preparation thereof
05/13/2003US6562149 For firmly bonding laminated multilayered printed circuit boards and for bonding resists to copper
05/13/2003US6562148 Pickling, aqueous, acidic solution which contains Ti and Zr as complex fluorides; sufficiently low volume resistance and good adhesion shear-tension values and good temporary corrosion-protection values.
05/13/2003CA2112483C Zinc phosphate conversion coating and process
05/08/2003WO2003037996A1 Coating compound for forming titanium oxide film, method for forming titanium oxide film and metal substrate coated with titanium oxide film
05/08/2003WO2003037947A2 Hardenable mixture based on products of hydrolysis of organosilanes and blocked polyisocyanates
05/07/2003EP1090160B1 Method for controlling the coating weight for strip-phosphating
05/07/2003CN1416478A Surface treated Tin-plated steel sheet and chemical treatment solution
05/07/2003CN1415786A New technique for increasing binding force of passive film of acidity zinc plating pieces
05/07/2003CA2365432A1 Hureaulite conversion coating as a base for the bonding of rubber to metal
05/06/2003US6558480 Process and composition for conversion coating with improved heat stability
05/02/2003EP1306723A2 A photographic film container
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