| 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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| 05/02/2003 | EP1141449B1 Method for darkening a zinciferous surface layer of a piece of material |
| 05/01/2003 | WO2003035942A2 An electrolytic and electroless process for treating metallic surfaces and products formed thereby |
| 05/01/2003 | WO2003035930A1 Surface treatment for copper foil |
| 05/01/2003 | WO2003035929A1 Process for producing metal wire rod for plastic working |
| 05/01/2003 | WO2003035922A1 Method for press working, plated steel product for use therein and method for producing the steel product |
| 05/01/2003 | WO2003035280A2 Surface-coated al/zn steel sheets and surface coating agent |
| 05/01/2003 | WO2002043863A3 Fractional regeneration of a weakly acidic ion exchanger loaded with bivalent metallic ions |
| 05/01/2003 | US20030082391 Multilayer coatings for metal substrates |
| 05/01/2003 | US20030082389 Primer composition |
| 05/01/2003 | US20030079997 Cleaning and passivating a surface of a light metal alloy component; forming first layer on cleaned and passivated surface wherein first layer comprises zinc; forming a second layer which comprises tin |
| 05/01/2003 | US20030079807 Applying to ferrous metalsubstrate, an intermediate coating rich in molecular iron and oxygen; contacting the coated substrate with an aqueous solution of oxidizing agents to form a surface which is predominantly magnetite, Fe3O4 |
| 05/01/2003 | CA2464581A1 Surface-coated al/zn steel sheets and surface coating agent |
| 05/01/2003 | CA2463786A1 The method for preparation of metal wire rod for plastic |
| 04/30/2003 | WO2002036854A1 Zinc-based metal plated steel sheet treated with phosphate excellent in formability and method for producing the same |
| 04/30/2003 | CA2427492A1 Phosphate-treated galvanized steel sheet with improved workability and production method thereof |
| 04/29/2003 | US6555249 Surface treated steel sheet and method for production thereof |
| 04/29/2003 | US6554948 Treating copper surfaces with an oxidizer, an acid, a corrosion inhibitor, and a benzotriazole with an electron withdrawing group in the 1-position which is a stronger electron withdrawer than a hydrogen group |
| 04/29/2003 | US6554916 Deodorizing surfaces; heat exchanger |
| 04/29/2003 | US6554915 Dissolution of nickel in non-oxidizing aqueous acid solutions |
| 04/29/2003 | US6554908 Process for pickling stainless steel in the absence of nitric acid and in the presence of chloride ions |
| 04/29/2003 | CA2113453C Process for treating metal with aqueous acidic composition that is substantially free from chromium (vi) |
| 04/24/2003 | WO2003033778A1 Production of a surface area with metallic conductivity on oxidised al-mg alloys |
| 04/24/2003 | WO2003033777A1 Coating method for light metal alloy surfaces |
| 04/24/2003 | WO2003033766A2 Corrosion protection process |
| 04/24/2003 | US20030077464 Surface treatment method |
| 04/24/2003 | US20030075245 Aqueous dispersion of phenolic resin that includes reaction product of phenolic resin precursor, modifying agent comprising hydrocarbyl moiety bonded to functional moiety that enables modifying agent to react with phenolic resin precursor |
| 04/24/2003 | DE20208150U1 Conversion layer used as corrosion and/or wear resistant protective coating consists of doped silicate layer obtained by applying silicate solution additionally containing ions, complexed ions, lanthanide, aluminum and/or polar compound |
| 04/23/2003 | CN1412351A Light metal alloy surface coating method |
| 04/23/2003 | CN1412349A Phosphorization method of burnishing zinc flower hot-galvanized plate |
| 04/23/2003 | CN1412348A Stainless steel degreasing and chemical passivation method |
| 04/22/2003 | US6551491 Method and system of preventing corrosion of conductive structures |
| 04/22/2003 | US6551422 PH,temperature, conductivity and pump sensors for monitoring parameters of the multi-staged process at various stages throughout the metal treatment(cleaning, applying an ionic conditioner, applying phoshphate solution and overcoating) |
| 04/22/2003 | US6551417 Coating solution includes tricationic phosphate formulation which includes phosphate, zinc, nickel and manganese ions and a glycerolphosphate |
| 04/22/2003 | CA2288666C Surface-treated metal plate and metal surface treating fluid |
| 04/17/2003 | WO2003031684A1 Surface treating agent for zinc or zinc alloy and method for surface treatment |
| 04/17/2003 | WO2003002783A3 Method for treating aluminium films for electrochemical capacitors |
| 04/17/2003 | US20030070731 Method for oxalating the galvanized surface of sheet metal |
| 04/17/2003 | US20030070730 Method of coating aluminum and aluminum alloy substrates and coated articles |
| 04/16/2003 | EP1302566A1 Production of a metallically conductive surface region on an oxidised Al-Mg alloy |
| 04/16/2003 | EP1302565A1 Coating method for light metal alloy surfaces |
| 04/16/2003 | EP1301572A2 An article having a chip-resistant electrodeposited coating and a process for forming an electrodeposited coating |
| 04/16/2003 | EP1206589B1 Accelerator for phosphating metal surfaces |
| 04/16/2003 | CN1106135C Method for forming coarse inversion coating on metal surface |
| 04/16/2003 | CN1105673C Continuous surface treating method and apparatus with centrifugal separator |
| 04/10/2003 | WO2003029520A1 Corrosion-resistant coating structure containing no 6-valent chromium which has resin layer and metal layer excellent in adhesion to resin layer |
| 04/10/2003 | WO2003008489A3 Composition and process for inhibiting corrosion of metallic substrates |
| 04/10/2003 | US20030066791 Apparatus for pretreatment prior to painting |
| 04/09/2003 | EP1299575A2 Acidic treatment liquid and method of treating copper surfaces |
| 04/09/2003 | EP1299488A2 Compositions for imparting desired properties to materials |
| 04/09/2003 | CN1409657A Method for producing coated metal surfaces and its use |
| 04/08/2003 | WO2002031065A2 Method for pretreating and subsequently coating metallic surfaces with a paint-type coating prior to forming and use of substrates coated in this way |
| 04/08/2003 | US6545342 Pre-finished leadframe for semiconductor devices and method of fabrication |
| 04/08/2003 | US6544666 Steel base coated with zinc or alloy plating layer, converted layer which contains one insoluble or scarcely-soluble metal compound and one soluble metal compound generated on surface; self-repairing |
| 04/08/2003 | US6544351 Compositions and methods for producing coatings with improved surface smoothness and articles having such coatings |
| 04/08/2003 | CA2425403A1 Method for pretreating and subsequently coating metallic surfaces with a paint-type coating prior to forming and use of substrates coated in this way |
| 04/03/2003 | WO2003027354A1 Precoated metal sheet with excellent press formability and process for producing the same |
| 04/03/2003 | WO2003027203A2 Conducting polymer for pretreatment of metallic and non-metallic surfaces |
| 04/03/2003 | WO2003027188A1 Treating agent for forming protective coating and metallic material having protective coating |
| 04/03/2003 | US20030064241 Zinc-based plating layer and a chromate layer are laminated on a steel sheet, aluminum and nickel powders and an amine modified epoxy resin are on one side and silica, a lubricant, a conductive particle, and an organic resin are on the other |
| 04/03/2003 | US20030064170 Selectively applying a hydrogen peroxide solution onto the metallic member to oxidize the metallic member and to form the oxide film; irradiating a light beam towards the surface of the metallic member to oxidize surface |
| 04/03/2003 | CA2457984A1 Treating agent for forming protective coating and metallic materials with a protective coating |
| 04/02/2003 | EP1298380A2 Coating structure of a metal pipe and method of coating a metal pipe |
| 04/02/2003 | EP1298179A2 Gasket material |
| 04/02/2003 | EP1297853A1 Method of forming an oxide film on a metallic member |
| 04/02/2003 | EP1177328B1 Process for the treatment of continuous coils of sheet metal and products prepared thereby |
| 04/02/2003 | EP1115914B1 Zinc coated steel plates coated with a pre-lubricating hydroxysulphate layer and methods for obtaining same |
| 04/02/2003 | CN1408031A Method for providing metal surface with protection against corrosion |
| 04/02/2003 | CN1407133A Anticorrosion prestressed bars and its manufacture |
| 04/01/2003 | US6541069 Applying a treatment fluid in lieu of cutting oil during the fabrication of the cutting tool, which include a compound containing phosphorus and nitrogen/hydrogen groups, forming phosphorus based protective layer and hydrid and nitride |
| 04/01/2003 | US6540845 Aqueous metal surface treating agent |
| 04/01/2003 | US6540844 Mercaptofunctional silanes to deposit sol-gel coatings on metals |
| 03/26/2003 | EP1097618B1 Post-treatment for copper on printed circuit boards |
| 03/26/2003 | CN1405354A Pretreating liquid for black bonderizing |
| 03/26/2003 | CN1404928A Apparatus for pretreatment before spray painting |
| 03/25/2003 | US6538365 Metal member with chromate coat, spark plug with chromate coat and manufacturing methods thereof |
| 03/25/2003 | US6537387 Coated with zinc or a zinc alloy; manganese phosphate, polymers or copolymers of acrylic acid, methacrylic acid, maleic acid and esters thereof |
| 03/20/2003 | WO2003002773A3 Treatment for improved magnesium surface corrosion-resistance |
| 03/20/2003 | US20030051773 Conversion coating compositions |
| 03/20/2003 | US20030051772 Especially high speed "coil coating" to coat strip materials. |
| 03/19/2003 | EP1293589A2 Apparatus for pretreatment prior to painting |
| 03/19/2003 | EP1292719A1 Adhesion promoter in conversion solutions |
| 03/19/2003 | EP0948666B1 Method for treating metallic surfaces |
| 03/18/2003 | US6534659 Sufidomaidocarboxylic acids, method for production thereof, and use therefor |
| 03/18/2003 | US6533915 Surface-treated copper foil, method of producing the surface-treated copper foil, and copper-clad laminate employing the surface-treated copper foil |
| 03/14/2003 | WO2002031223A1 Surface-treating agent for metallic material with excellent suitability for press forming and chemical treatment and method of treatment |
| 03/14/2003 | CA2422435A1 Surface-treating agent for metallic material with excellent suitability for press forming and chemical treatment and method of treatment |
| 03/13/2003 | US20030049486 Corrosion resistance |
| 03/13/2003 | US20030047244 Aqueous metal surface treating agent |
| 03/12/2003 | EP1291452A1 Aqueous metal surface treating agent |
| 03/12/2003 | EP1291451A1 Electrical sheet having insulating coating and insulating coating |
| 03/12/2003 | EP1290244A1 Method for forming phosphate coatings on nonferrous metals and plated steel sheets |
| 03/12/2003 | EP1290243A1 Method for coating a metallic component |
| 03/12/2003 | EP1290242A2 Method for treating or pre-treating components comprising aluminium surfaces |
| 03/12/2003 | EP1290241A1 Coating for cold working metals |
| 03/12/2003 | EP1289678A1 Process for improving the adhesion of polymeric materials to metal surfaces |
| 03/12/2003 | CN1401820A Ordinary temp. parkerizing liquid |
| 03/11/2003 | US6531045 Acid resistance |
| 03/11/2003 | US6530999 Of fine crystal size, obtained using liquid compositions containing phosphate, zinc cations and relatively low concentrations of cobalt, nickel and manganese |
| 03/06/2003 | WO2003018872A1 Non-chrome passivation process for zinc and zinc alloys |
| 03/06/2003 | WO2002097164A3 Composition and method for treating magnesium alloys |