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