| 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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| 01/28/2004 | CN1136095C Manufacture method of composited tube and device therefor |
| 01/22/2004 | WO2004007799A2 Method for coating metallic surfaces |
| 01/22/2004 | US20040011431 Passivation method |
| 01/22/2004 | US20040011430 Phosphating operation |
| 01/22/2004 | US20040011429 Zinc phosphate-containing surface conditioning agent phosphate conversion-treated steel plate and painted steel plate, and zinc phosphate dispersion |
| 01/22/2004 | US20040011428 Surface-treating agent for metallic material with excellent suitability for press forming and chemical treatment and method of treatment |
| 01/22/2004 | US20040011245 High temperature amorphous composition based on aluminum phosphate |
| 01/21/2004 | EP1382718A1 Surface treated steel product, method for production thereof and chemical conversion treatment solution |
| 01/20/2004 | US6679952 Method of coating aluminum and aluminum alloy substrates and coated articles |
| 01/15/2004 | WO2004005579A1 Precoat metal plate excellent in press workability and method for production thereof |
| 01/15/2004 | WO2003056062A3 Polymer derivatives for treating metals |
| 01/15/2004 | US20040009300 Method for pretreating and subsequently coating metallic surfaces with paint-type coating prior to forming and use og sybstrates coated in this way |
| 01/15/2004 | US20040007249 Treatment tank is filled with a degreasing and chemical conversion solution of sodium, lithium, phosphate, zinc, nickel, manganese and nitrate or nitrite ions |
| 01/13/2004 | US6677053 Chromating; corrosion resistance |
| 01/13/2004 | US6675984 Metal finishing barrel cover locking system |
| 01/08/2004 | WO2004003253A1 Surface-treated zinc based metal plated steel plate and method for production thereof |
| 01/08/2004 | WO2003093376A3 Aqueous metal treatment composition |
| 01/08/2004 | WO2002083983A3 Determination of accelerator concentration in phosphating baths |
| 01/08/2004 | US20040005476 Zinc-base plating layer on the steel sheet, and a composite coating film formed on the plating layer, which composite coating layer contains a P ingredient, an N ingredient, and at least one element selected from the group consisting of Mg, |
| 01/07/2004 | EP1378586A1 Zinc phosphate-containing conditioning agent for phosphate conversion-treatment of steel plate and corresponding product |
| 01/07/2004 | EP1378585A1 Corrosion resistant trivalent chromium phosphated chemical conversion coatings |
| 01/07/2004 | EP1378547A1 Surface-treated metal sheet |
| 01/07/2004 | CN1466493A Device and method for the surface treatment of workpieces |
| 01/07/2004 | CN1465742A Zinc phosphate treated galvanized steel board with fine corrosion-resisting property and tone color |
| 01/06/2004 | US6673470 Surface treated tin-plated steel sheet and surface treatment solution |
| 01/02/2004 | EP1373597A2 Method for treating metal surfaces by carboxylation |
| 01/01/2004 | US20040000358 From aqueous acid solution containing chromium compound and nitrilotris(methylenephosphoric acid) |
| 12/31/2003 | WO2004001096A2 Method for surface treatment of sheets and strips of aluminium alloy |
| 12/31/2003 | WO2002079541A3 Post-passivation of a phosphatized metal surface in a continuous process |
| 12/31/2003 | CN1464919A Surface treatment for copper foil |
| 12/31/2003 | CN1464914A Unidirectional silicon steel sheet of ultra low iron loss and method for production thereof |
| 12/31/2003 | CN1132959C Method of getting the rust off the galvanized body |
| 12/31/2003 | CA2488040A1 Method for surface treatment of sheets and strips of aluminium alloy |
| 12/30/2003 | US6669900 For use in household electrical appliances, such as television receivers, notebook-type personal computers, and portable minidisk players, or wheels of vehicles |
| 12/30/2003 | US6669786 Alloying aluminum with different metal |
| 12/30/2003 | US6669764 Pretreatment for aluminum and aluminum alloys |
| 12/30/2003 | CA2120614C Broadly applicable phosphate conversion coating composition and process |
| 12/25/2003 | US20030234063 Protective coatings having corrosion resistance comprising group VIII compounds and stabilizer complexes, used on metal and/or alloy substrates |
| 12/24/2003 | WO2003106169A1 Thermoplastic elastomer bonded directly to metal substrate |
| 12/24/2003 | WO2003106074A2 Method for reducing the corrosivity of cooling or process water |
| 12/24/2003 | CN1463301A Electromagnetic sheet having insulating coating and insulating coating |
| 12/23/2003 | US6667105 Aluminum phosphate solution, acid-soluble emulsion type acrylic-styrenic copolymer resin, zinc nitrate, silicon additive, ethylene glycol and a nonionic surfactant |
| 12/18/2003 | WO2003104705A1 Method and device for surface treatment of metal tube |
| 12/18/2003 | WO2003060191A3 Non-toxic corrosion-protection conversion coatinges absed on cobalt |
| 12/18/2003 | US20030232146 Galvanizing the surfaces of iron based materials, by plating, then chromating and embrittlement; corrosion resistance |
| 12/18/2003 | US20030230365 Improving corrosion resistance, paint adhesion and appearance; alkaline cleaning, rinsing, acid pickling and surface treating with solution of metal salt, reaction enhancing agent and ph adjusting agent |
| 12/18/2003 | US20030230364 Improved durability, adhesion, and corrosion resistance |
| 12/18/2003 | US20030230363 Non-toxic corrosion-protection rinses and seals based on cobalt |
| 12/18/2003 | US20030230215 Pretreatment for aluminum and aluminum alloys |
| 12/18/2003 | DE29724766U1 Electronically controlled welded hollow body production - using sensors to determine lubricating, cleaning and phosphating solution concentrations |
| 12/17/2003 | EP1371756A2 Equipment and method of pretreatment before painting |
| 12/17/2003 | EP1200641B1 Pretreatment of aluminum surfaces with chrome-free solutions |
| 12/17/2003 | CN1131339C Zinc coated sheet plate and mfg. method thereof |
| 12/16/2003 | US6663700 Post-treatment for metal coated substrates |
| 12/16/2003 | CA2254106C Composition and method for reducing copper oxide to metallic copper |
| 12/11/2003 | WO2003101762A1 Process for cleaning and repassivating semiconductor equipment parts |
| 12/11/2003 | WO2002070782A3 Method for coating metallic surfaces and use of the substrates coated in this manner |
| 12/11/2003 | US20030226807 Method and apparatus for treating aqueous process baths and their associated waste streams |
| 12/11/2003 | US20030226621 Surface treatment method of metal member, and metal goods |
| 12/10/2003 | EP1369503A2 Corrosion resistant surface treatment for structural adhesive bonding to metal |
| 12/10/2003 | EP1369404A2 Method for protecting a substrate with a multilayer oxide/phosphate coating having a temperature-stepped cure |
| 12/10/2003 | EP1368515A2 Process for the passivation of tinned stainless steel strip with a chrome-free passivation film |
| 12/10/2003 | EP1368508A1 Aqueous surface conditioner and surface conditioning method for phosphating treatment |
| 12/10/2003 | EP1368507A1 Process for treating multi-metal articles |
| 12/10/2003 | EP0938447B1 Method for reducing copper oxide to metallic copper |
| 12/10/2003 | CN1460732A Corrosion-proof surface treatment of construction adhesive on metal |
| 12/10/2003 | CN1130473C Corrosion resistance surface-treated metallic material and surface treating agent |
| 12/04/2003 | WO2003100130A2 Universal aqueous coating compositions for pretreating metal surfaces |
| 12/04/2003 | WO2003049786A3 Metering valve and pharmaceutical metered dose inhaler and methods thereof |
| 12/04/2003 | US20030221751 Universal aqueous coating compositions for pretreating metal surfaces |
| 12/04/2003 | US20030221702 Wet cleaning/passivation process for a passivatable metal part including a contaminant-bearing surface. The process includes the steps of: (a) contacting the contaminant-bearing part with an aqueous acid solution effective for pickling the |
| 12/04/2003 | CA2486757A1 Universal aqueous coating compositions for pretreating metal surfaces |
| 12/03/2003 | EP1365865A1 Inhibiting aluminum corrosion with mercapto-substituted silanes |
| 12/02/2003 | US6656294 Method of reducing elution of lead in lead-containing copper alloy, and drinking water service fittings made of lead-containing copper alloy |
| 11/27/2003 | WO2003097900A2 Conversion layer for bases made of zinc or zinc alloys |
| 11/27/2003 | WO2003097899A2 Non-chromate conversion coating compositions, process for conversion coating metals, and articles so coated |
| 11/27/2003 | US20030217787 Pertreatment anodizing with phosphoric acid; overcoating with acidity coating |
| 11/27/2003 | CA2485124A1 Non-chromate conversion coating compositions, process for conversion coating metals, and articles so coated |
| 11/26/2003 | EP1198618B1 Post-passivation of a phosphatized metal surface |
| 11/26/2003 | CN1458302A Process for producing colour coating stainless steel |
| 11/26/2003 | CN1458301A Process for producing light interference colour stainless stell with anti-fouling nano film |
| 11/26/2003 | CN1458300A Process for producing light interference colour shtainless steel with transparent coating |
| 11/26/2003 | CN1458299A Rust removing and phosphorizing agent for black metal part surface |
| 11/25/2003 | US6653384 Water-soluble acrylic acid-based polymer, metal nitrate, hydrofluoroic acid-based compound and organic reducing agent; corrosion resistance |
| 11/25/2003 | US6652977 Primer composition |
| 11/22/2003 | CA2428755A1 Corrosion resistant surface treatment for structural adhesive bonding to metal |
| 11/20/2003 | WO2003095110A1 Process for preparing chrome surface for coating |
| 11/20/2003 | US20030215653 Coating formulation containing water and dissolved anions of fluorometallate selected from H2TiF6, H2ZrF6, H2SiF6, H3AlF6, H2GeF6, H2SnF6, H2BF4 and a water soluble Mannich adduct of poly(4-vinyl phenol) and N-methyl glucamine |
| 11/20/2003 | US20030214208 Chromate film-containing plug metal component and method for producing the same |
| 11/20/2003 | US20030213771 Degreasing, then chemically etching with aqueous phosphoric acid compound to form magnesium phosphate coating |
| 11/20/2003 | US20030213553 Smooth copper surface is contacted with an adhesion promoting composition comprising an oxidizer, a pH adjuster, a topography modifier, and a sulfur-containing coating stabilizer |
| 11/20/2003 | US20030213533 Chromium-free liquid metal surface treatment composition that forms, by spontaneous chemical reaction with a metal surface, a treatment coating with superior corrosion resistance, alkali resistance and fingerprint resistance |
| 11/20/2003 | US20030213429 Device and method for the surface treatment of workpieces |
| 11/19/2003 | EP1362932A1 Environmentally friendly surface treated steel sheet for electronic parts excellent in soldering wettability and resistance to rusting and formation of whisker |
| 11/19/2003 | CN1456706A Tin cladding surface antioxidant and use process thereof |
| 11/19/2003 | CN1456705A Producing process of anticorrosive coated steel rails |
| 11/19/2003 | CN1128250C Acidic displacing solution for electroplating of zinc |
| 11/19/2003 | CN1128249C Multifunctional pretreatment liquid and its producing method |
| 11/18/2003 | US6649275 Zinc phosphate-treated galvanized steel sheet excellent in corrosion resistance and color tone |
| 11/18/2003 | US6648986 Stability additive for trivalent chrome conversion coating bath solutions |