| 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) |
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| 01/09/2013 | CN202658231U Vacuum passivation liquid spraying and applying device for galvanized pipe production line |
| 01/09/2013 | CN202658230U High-temperature phosphating device for tire meridian steel wire |
| 01/09/2013 | CN102864464A Preparation method of hydrogen evolution electrode with high catalytic activity and high stability |
| 01/09/2013 | CN102864447A Compound passivating fluid for mechanical zinc coating |
| 01/09/2013 | CN102864446A Normal-temperature phosphating solution and method for preparing same |
| 01/09/2013 | CN102864445A Preparation method of aluminum alloy yellow-green trivalent chromium conversion coating and filming liquid thereof |
| 01/09/2013 | CN102862341A Self-cleaning high-corrosion-resistance plating layer steel plate and preparation method thereof |
| 01/09/2013 | CN102133837B Magnesium alloy appearance processing method |
| 01/09/2013 | CN102133621B Appearance treatment method |
| 01/09/2013 | CN101981228B Grain-oriented magnetic steel sheet and process for producing the same |
| 01/09/2013 | CN101851755B Magnesium alloy chromium-free fluorine-free phosphorization solution and phosphorization method |
| 01/09/2013 | CN101560342B Non-oriented electric steel semi-organic phosphate insulating paint with good corrosion resistance |
| 01/09/2013 | CN101395301B Composition for metal surface treatment, metal surface treatment method, and metal material |
| 01/09/2013 | CN101346493B Surface treated Cr-free steel sheet for used in fuel tank, preparing method thereof and treatment composition therefor |
| 01/09/2013 | CN101258265B 树脂涂层无缝铝罐以及树脂涂层铝合金罐盖 Resin-coated seamless aluminum and resin-coated aluminum lids |
| 01/08/2013 | US8349419 Resin-coated seamless aluminum can and resin-coated aluminum alloy lid |
| 01/08/2013 | US8349092 Process for coating metallic surfaces |
| 01/08/2013 | CA2608390C Method for preparing metallic workpieces for cold forming |
| 01/08/2013 | CA2485124C Non-chromate conversion coating compositions, process for conversion coating metals, and articles so coated |
| 01/03/2013 | US20130004885 Fuel cell electrodes |
| 01/03/2013 | DE102011078258A1 Elektrolytische Vereisenung von Zinkoberflächen Electrolytic Vereisenung of zinc surfaces |
| 01/02/2013 | EP2540865A1 Surface-treating agent for zinc-plated steel sheet, and zinc-plated steel sheet and process for production thereof |
| 01/02/2013 | EP2539488A1 Chromium -free passivation process of vapor deposited aluminum surfaces |
| 01/02/2013 | EP2539487A1 Method for protecting silver and silver alloy surfaces against tarnishing |
| 01/02/2013 | CN202643845U Metal aluminum salt cover film |
| 01/02/2013 | CN202643842U Steam heating pipe for sonicleaning phosphating line |
| 01/02/2013 | CN102859038A Process for preparing and treating a substrate |
| 01/02/2013 | CN102851674A Thermal pickling process of pure titanium plate |
| 01/02/2013 | CN102851662A Metal anti-rust treatment liquid and application method thereof |
| 01/02/2013 | CN102851661A Water-soluble antirust dehydrant and preparation method and application thereof |
| 01/02/2013 | CN102851660A Phosphorus-free and chromium-free passive film-forming solution for steel surfaces and usage method thereof |
| 01/02/2013 | CN102851659A Magnesium alloy surface phosphorus-free chromium-free conversion coating and application method thereof |
| 01/02/2013 | CN102851658A Steel/cast iron metal protective agent and preparation method thereof |
| 01/02/2013 | CN102851657A Phosphatization method for preventing generation of corrosion pits in railway antifriction bearing ring |
| 01/02/2013 | CN102851656A Preparation method of self-assembly silanization of pure titanium metal surface |
| 01/02/2013 | CN102847668A Preparation method for super hydrophobic protective film on surface of high strength aluminum alloy |
| 01/02/2013 | CN102383121B Rust-proof treatment method for steel parts |
| 01/02/2013 | CN102337533B Ferrum-chromium-aluminum blue surface treatment method |
| 01/02/2013 | CN102304706B Anticorrosion treatment device and treatment method for surface of long and narrow runner of aluminium alloy radiator |
| 01/02/2013 | CN102277584B Manufacturing method of biotransformation film metal plate |
| 01/02/2013 | CN102277568B Bioconversion film treating agent |
| 01/02/2013 | CN101967635B Shielding material antioxidation processing method |
| 01/02/2013 | CN101909775B Covered carbide plug and cold drawing method using the covered carbide plug |
| 01/02/2013 | CN101384751B Composition and processes of a dry-in-place trivalent chromium corrosion-resistant coating for use on metal surfaces |
| 01/02/2013 | CN101283117B Treatment solution for forming black hxavalent chromium-free chemical conversion coating film on zinc or zinc alloy |
| 01/01/2013 | US8343449 Device and method for producing a tubular refractory metal compound structure |
| 12/27/2012 | WO2012176591A1 Surface treating composition for copper and copper alloy and utilization thereof |
| 12/26/2012 | EP2537958A1 Non-oriented electromagnetic steel sheet and process for production thereof |
| 12/26/2012 | EP2537674A1 Aluminum or aluminum alloy material having surface treatment coating film, and surface treatment method therefor |
| 12/26/2012 | EP2537485A1 Nanosurface |
| 12/26/2012 | CN202630698U Blackening electric control furnace |
| 12/26/2012 | CN202626290U Surface treatment production line for annular piston |
| 12/26/2012 | CN102844179A Aluminum or aluminum alloy material having surface treatment coating film, and surface treatment method therefor |
| 12/26/2012 | CN102839369A Electric field assisted chemical conversion treatment method of surface of magnesium alloy |
| 12/26/2012 | CN102839368A Method for improving heat dissipation of metal surface |
| 12/26/2012 | CN102839367A Self-repairing chromium-free passivation treatment fluid used for galvanized steel coil |
| 12/26/2012 | CN102839366A Trivalent chromium passivation solution and use method thereof |
| 12/26/2012 | CN102839365A Environmental-friendly type multifunctional steel surface treating fluid |
| 12/26/2012 | CN102839364A Surface processing technology of food-grade stainless steel pipe |
| 12/26/2012 | CN102839363A Processing method for medical puncture needle tubing scale mark |
| 12/26/2012 | CN102089458B Aqueous metal-surface-treating agent and surface-treated metal material |
| 12/26/2012 | CN101476119B Surface passivation treatment fluid for martensitic stainless steel parts, preparation and use |
| 12/25/2012 | US8337641 CrCl3, a chelating agent (citric acid) capable of forming a water-soluble complex with the trivalent chromium, a metal ion selected from the group consisting of a cobalt ion, a nickel ion and an iron ion, and formic acid or a saltas a buffer for hydrogen ion concentration; corrosion resistance |
| 12/25/2012 | US8337640 Quaternary ammonium salts as a conversion coating or coating enhancement |
| 12/25/2012 | US8337639 Die reinforcing method and die repairing method |
| 12/25/2012 | US8337606 Solution and process for increasing the solderability and corrosion resistance of metal or metal alloy surface |
| 12/20/2012 | WO2012173950A1 Multilayer overlay system for thermal and corrosion protection of superalloy substrates |
| 12/20/2012 | CA2839392A1 Multilayer overlay system for thermal and corrosion protection of superalloy substrates |
| 12/19/2012 | EP2534279A1 Composition for the alkaline passivation of zinc surfaces |
| 12/19/2012 | CN202610329U Phosphatizing device for roll-class end head |
| 12/19/2012 | CN202610328U External thread phosphating device of petroleum casing pipe end |
| 12/19/2012 | CN202610327U Petroleum casing coupling phosphorization equipment |
| 12/19/2012 | CN102828175A Method for forming micro-nano structured iron tungstate on surface of ferrous metal |
| 12/19/2012 | CN102828174A Method and system for surface phosphating treatment of steel |
| 12/19/2012 | CN102828173A Composition for metal surface treatment, metal surface treatment method, and metal material |
| 12/19/2012 | CN102002702B Method for preparing copper zinc alloy-based super-hydrophobic material |
| 12/19/2012 | CN101906655B Method for treating stainless steel surfaces |
| 12/18/2012 | US8333847 Chemical conversion treatment liquid |
| 12/13/2012 | WO2012169998A1 High-definition demetalization process |
| 12/13/2012 | WO2012167889A1 Method of producing an aluminium or aluminium alloy strip with a heat- seal lacquer on a first surface and an epoxide based stove lacquer on the second surface previously coated with a chromium - free conversion coating |
| 12/13/2012 | DE10017187B4 Verfahren zur Behandlung einer Legierung aus Aluminium und Titan zur Verbesserung der Oxidationsbeständigkeit dieser Legierungenen zwischen 800°C und 1000°C und Verwendung des Verfahrens A process for treating an alloy of aluminum and titanium for improving the oxidation resistance of these Legierungenen between 800 ° C and 1000 ° C and using the method |
| 12/12/2012 | EP2532769A1 Method of producing a chromium-free conversion coating on a surface of an aluminium or aluminium alloy strip |
| 12/12/2012 | CN202595276U Spraying room |
| 12/12/2012 | CN202595275U Passivation anticorrosion system of galvanized wire steel belt |
| 12/12/2012 | CN202595274U Drill collar intermediate temperate phosphorization device |
| 12/12/2012 | CN202595273U Enclosed heating device |
| 12/12/2012 | CN202595272U Passivation hanger |
| 12/12/2012 | CN102822387A Steel sheet for vessel having excellent corrosion resistance |
| 12/12/2012 | CN102822290A Surface-treating composition |
| 12/12/2012 | CN102817028A Metal surface treating agent, metal surface treating method and metal material containing metal surface treating agent |
| 12/12/2012 | CN102817027A Low-temperature phosphating solution |
| 12/12/2012 | CN102817026A Normal-temperature phosphating solution |
| 12/12/2012 | CN102817025A Low-temperature phosphating solution containing chromic acid |
| 12/12/2012 | CN102817024A Low-temperature phosphating solution containing carboxymethyl cellulose sodium |
| 12/12/2012 | CN102817023A High-temperature corrosion-resistant phosphating solution |
| 12/12/2012 | CN102817022A Normal-temperature phosphating solution containing sodium thiosulfate |
| 12/11/2012 | US8329013 Optimized electrocoating of assembled and partly prephosphated components |
| 12/06/2012 | WO2012165084A1 Aqueous surface treatment agent for metal |
| 12/06/2012 | US20120305141 Method for protecting silver and silver alloy surfaces against tarnishing |
| 12/06/2012 | US20120305140 Non-oriented electrical steel sheet and manufacturing method thereof |