| 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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| 03/12/2008 | CN100374624C Method for preventing elution of lead and/or nickel from copper alloy piping material such as valve or pipe joint and copper alloy piping material, and fluid for use in cleaning piping material |
| 03/12/2008 | CN100374621C Method for the production of dark protective layers on flat objects made from titanium zinc |
| 03/12/2008 | CN100374620C Method for coating metallic surfaces |
| 03/12/2008 | CN100374619C Treating liquid for surface treatment of aluminum or magnesium based metal and method of surface treatment |
| 03/12/2008 | CN100374618C Surface treated steel sheet having excellent white rust resistance, and production method therefor |
| 03/06/2008 | US20080057304 Corrosion resistant coating on a metal substrate; a metal-oxide matrix of acid-stable particles and a metal of titanium, zirconium, silicon, hafnium, boron, aluminum, germanium, or tin |
| 03/06/2008 | DE102006040908A1 Production of a chromium-containing passivating layer on a metal surface comprises producing a solution containing complexed chromium ions, producing an acidic solution and applying to the metal surface |
| 03/05/2008 | EP1895024A1 Copper foil for printed wiring board |
| 03/05/2008 | EP1895023A1 Agents for the surface treatment of zinc or zinc alloy products |
| 03/05/2008 | EP1893787A1 Method for the passivation of metal surfaces with compositions comprising polymers with acid groups and waxes |
| 03/05/2008 | EP1893351A1 Method for producing painted, flat metallic moulded bodies |
| 03/05/2008 | EP1513966B1 Method for surface treatment of sheets and strips of aluminium alloy |
| 03/05/2008 | EP1198614A4 Process and solution for providing a conversion coating on a metallic surface i |
| 03/05/2008 | CN101137769A Method for making a coated steel part having very high resistance after heat treatment |
| 03/05/2008 | CN101137768A Surface treatment method for copper and copper |
| 03/05/2008 | CN101137767A Rinsable metal pretreatment methods and compositions |
| 03/05/2008 | CN101137766A Chemical conversion treating agent and surface treated metal |
| 03/05/2008 | CN101135050A Metasilicate cleaning inactivating process |
| 03/05/2008 | CN101135049A Non-chromic environment protective oriented silicon steel insulating coating |
| 03/05/2008 | CN101134986A Passive granule alloy and preparation method thereof |
| 03/05/2008 | CN100372972C Method of growing metal organic compound on solid surface |
| 03/05/2008 | CN100372672C Resin-lined steel pipe and method for producing the same |
| 02/28/2008 | WO2008022819A1 Chromium-free, thermally curable corrosion protection composition |
| 02/28/2008 | WO2007144336A3 Cr(vi)-free black chroming |
| 02/28/2008 | US20080050581 Rare Earth Magnet and Method for Manufacturing Same |
| 02/28/2008 | DE102007013404A1 Verfahren zum Vermeiden von Korrosion einer Metallkomponente auf Aluminiumbasis und ein nach dem Verfahren hergestelltes korrosionsbeständiges Metallprodukt auf Aluminiumbasis Method for preventing corrosion of an aluminum-based metal component and a product manufactured according to the method of corrosion-resistant aluminum-based metal product |
| 02/28/2008 | DE102006039679A1 Method for processing cylinder bearing surface of cylinder crankcase/cylinder sockets out of matrix existing from light metal with embedded hard material phase, by mechanically processing the bearing surface to put freely the material phase |
| 02/28/2008 | DE10194846B4 Verfahren zur Oberflächenbehandlung eines rostfreien Stahlprodukts für eine Brennstoffzelle A process for surface treatment of a stainless steel product for a fuel cell |
| 02/28/2008 | CA2661432A1 Chromium-free, thermally curable corrosion protection composition |
| 02/27/2008 | CN101130869A Chemical tinting method for bronze color of copper |
| 02/27/2008 | CN101130868A Trivalent chromium blue and white passivator and method for making the same |
| 02/27/2008 | CN101130867A Trivalent chromium iridescent passivator and method for making the same |
| 02/27/2008 | CN101130866A Trivalent chromium iridescent passivator with high corrosion resistance and method for making the same |
| 02/27/2008 | CN101130865A Trivalent chromium black passivator and method for making the same |
| 02/27/2008 | CN101130864A Surface treating method for magnesium alloy |
| 02/27/2008 | CN101130863A Method for preparing nigrescent phosphatizing solution |
| 02/27/2008 | CN101130862A Surface processing technology for Mg-alloy |
| 02/27/2008 | CN101130838A Copper-coating compound powder and method for making the same |
| 02/27/2008 | CN100371495C Magnesium alloy portable computer external surface treatment method |
| 02/27/2008 | CN100371089C Improved coating for silver plated circuits |
| 02/21/2008 | US20080044563 Method of Treating Aluminum-Wheel Surface |
| 02/21/2008 | US20080041498 Surface conditioning composition and surface conditioning method |
| 02/20/2008 | EP1888819A1 Method for preparing metallic workpieces for cold forming |
| 02/20/2008 | EP1888815A1 Organic compound and process for inhibiting corrosion on metals |
| 02/20/2008 | CN101126160A Preparation method for molybdenum disulfide base lubricating coat |
| 02/20/2008 | CN101126158A Discoloration resisting method for gold and platinum |
| 02/20/2008 | CN101126157A Nano modified acrylic resin emulsion used for zinc coating plate and preparation method thereof |
| 02/20/2008 | CN100370061C Magnesium and magnesium alloy chemical oxidation process |
| 02/19/2008 | US7332021 Coating composition |
| 02/19/2008 | CA2436672C Inhibiting aluminum corrosion with mercapto-substituted silanes |
| 02/14/2008 | WO2008018820A1 Passivated metal conductors for use in cardiac leads and method of prepararing the same |
| 02/14/2008 | WO2008017739A1 Compositions based on carboxylic acids for temporary protection of metallic surfaces, and dry films obtained from the said compositions |
| 02/14/2008 | WO2008017647A1 A mold with a metallic surface to which a pretreatment layer has been applied, comprising a phosphinic acid derivative |
| 02/14/2008 | WO2007095927A3 Corrosion-resistant substrate and method for its production |
| 02/13/2008 | EP1887105A1 Chromium-free conversion coating |
| 02/13/2008 | EP1887022A1 Substrates having metalic surface and pretreatment layer containing a phosphinic acid derivate applied thereon |
| 02/13/2008 | EP1886759A1 Water-soluble preflux and use thereof |
| 02/13/2008 | EP1885912A1 Method for improving corrosion resistance of metal surfaces |
| 02/13/2008 | EP1315968B1 Method for precipitating mono and multiple layers of organophosphoric and organophosphonic acids and the salts thereof in addition to use thereof |
| 02/13/2008 | CN101124354A Color-coded stainless steel fittings and ferrules |
| 02/13/2008 | CN101122021A Method for preparing nano titanium oxide film by medical nickel-titanium memory alloy surface in situ denickeling |
| 02/13/2008 | CN101122017A Chemical treatment method for aluminum alloy surface |
| 02/13/2008 | CN100368098C Surface-treated metal sheets excellent in press dragging resistance and coil deformation resistance and process for producing the same |
| 02/12/2008 | CA2368445C Rust and scale removal composition and process |
| 02/07/2008 | WO2008016220A1 Coating solution for forming insulating film with excellent corrosion resistance property and film close adhesion property and film intensity without chrome and a method for making the insulation film on non-oriented electrical steel sheet by using it |
| 02/07/2008 | WO2008015322A1 Process for preparing materials by grafting halogenated phosphorus groups onto an inorganic surface |
| 02/07/2008 | US20080032109 Method for Coating Blanks for the Production of Printed Circuit Boards (Pcb) |
| 02/06/2008 | EP1883718A2 Method and composition for improving adhesion of organic polymer coatings with copper surface |
| 02/06/2008 | EP1883679A1 Corrosion-protection agent forming a layer of paint and method for current-free application thereof |
| 02/06/2008 | CN101117710A Zinc coating plate molybdate inactivating method and additive used therefor |
| 02/06/2008 | CN101117709A Nickel-containing steel phosphatising liquid and phosphatising method |
| 02/06/2008 | CN100366796C Method for preparing film of inorganic phosphate in aqueous solution |
| 02/05/2008 | CA2208514C Applicator for flowable materials |
| 01/31/2008 | WO2008012248A1 Method of passivating metallic surfaces by means of copolymers having phosphoric acid and/or phosphonic acid groups |
| 01/31/2008 | US20080026157 Method for pretreating and/ or coating metallic surfaces with a paint-like coating prior to forming and use of substrates coated in this way |
| 01/31/2008 | CA2657124A1 Method of passivating metallic surfaces by means of copolymers having phosphoric acid and/or phosphoric acid groups |
| 01/30/2008 | CN101115867A Aqueous surface treating agent for metal material, surface treating method and surface-treated metal material |
| 01/30/2008 | CN101115866A Aqueous surface treating agent for metal material, surface treating method and surface-treated metal material |
| 01/30/2008 | CN101113521A Multi-component alloy catalytic liquid and process for manufacturing product |
| 01/30/2008 | CN101113519A Magnesium alloy surface treatment technique |
| 01/30/2008 | CN101113518A Magnesium alloy surface rare earth treatment technique |
| 01/30/2008 | CN100365165C Protective treatment of metal surfaces with aqueous mixture of vinyl silane and bis-silyl aminosilane |
| 01/29/2008 | CA2386166C Coating with optical taggent |
| 01/24/2008 | US20080020145 Method For Depositing Anti-Corrosive Coating Onto Metal Surface |
| 01/24/2008 | DE102006033465A1 Verfahren zum Herstellen eines Wärmetauschers A method of manufacturing a heat exchanger |
| 01/23/2008 | CN201010692Y Automatic ultrasonic cleaning and phosphorizing device for 8 grooves type oil casing joint |
| 01/23/2008 | CN101111629A Chrome free composition for metal surface treatment and surface-treated metal sheet |
| 01/23/2008 | CN101109084A Pickle liquor additive agent for special steel surface and method of preparing the same |
| 01/23/2008 | CN101109081A Normal temperature barium salt modified phosphorizing liquid capable of avoiding water wash after phosphorized |
| 01/23/2008 | CN101109080A Rust-proof device for rod bar |
| 01/23/2008 | CN101109079A Hot tinting method on copper surface |
| 01/23/2008 | CN100363537C Metal surface treatment composite, metal surface treatment method and galvanized steel sheet obtained by it |
| 01/16/2008 | EP1878812A1 Copper surface treatment method and copper |
| 01/16/2008 | CN101107375A High-strength hot-rolled steel sheet excellent in chemical convertibility |
| 01/16/2008 | CN101104932A Tin plate sheet chromium-free deactivation liquid |
| 01/16/2008 | CN101104931A Rust-proofing method for steel bar |
| 01/16/2008 | CN101104930A Tartrate magnesium alloy surface chemical conversion film conductive treatment solution |
| 01/16/2008 | CN100362131C Low temperature rapid phosphorization liquid for drawing wire and phosphorization process |
| 01/10/2008 | WO2008005094A2 Process for increasing the adhesion of a metal surface to a polymer |
| 01/10/2008 | DE19706482B4 Verfahren zur Oberflächenbehandlung eines Körpers aus Metall und nach dem Verfahren hergestellter Verbundstoff A process for surface treatment of a body made of metal and produced by the method composite |