| 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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| 03/31/2004 | CN1485461A Passivation particle magnesium and method for preparing the same |
| 03/25/2004 | WO2004024988A1 CORROSION-RESISTANT Al-BASED STRUCTURAL MEMBER AND METHOD FOR MANUFACTURE THEREOF |
| 03/25/2004 | WO2004024987A1 Method of treatment for reducing elution of lead from lead containing copper alloy and waterwork utensils made from lead containing copper alloy |
| 03/25/2004 | WO2004024636A1 Multi-stage method for reprocessing waste water from a phosphating process, using a subacid ion exchanger |
| 03/25/2004 | US20040058189 Zinc-diffused alloy coating for corrosion/heat protection |
| 03/24/2004 | EP1401038A1 Separator for fuel cell and manufacturing method thereof |
| 03/24/2004 | CN1143008C Galvanized steel plate with excellent eyelet proof property |
| 03/23/2004 | CA2441718A1 Zinc-diffused alloy coating for corrosion/heat protection |
| 03/23/2004 | CA2273907C Composition of a surface-treatment agent used for metallic material and the treating method |
| 03/18/2004 | WO2004022817A1 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 |
| 03/18/2004 | US20040054044 Method for coating metallic surfaces with an aqueous composition, the aqueos composition and use of the coated substrates |
| 03/18/2004 | US20040054017 Ions selected from zinc, nickel and manganese ions; treated with successive portions of phosphoric acid; product solution enriched with these ions obtained, which can be processed or recycled at low cost, for use in phosphating metal surfaces |
| 03/18/2004 | US20040052717 Aqueous solution of zinc nitrite and method for production thereof |
| 03/18/2004 | DE10241733A1 Preparation of fluid components removed from phosphate baths comprises enriching the valuable materials in a concentration chamber, and returning to the phosphating bath whilst the impurity materials are removed |
| 03/17/2004 | EP1398547A2 Gasket material |
| 03/17/2004 | EP1397310A2 Desludging device and method for desludging a liquid |
| 03/17/2004 | EP1254279B1 Anti-corrosive agents and method for protecting metal surfaces against corrosion |
| 03/17/2004 | CN1482277A Acid washing passivation agent for stainless steel |
| 03/17/2004 | CN1142321C Phosphonation process for heteropoly acid system |
| 03/16/2004 | US6706214 Composition and process for inhibiting corrosion of metallic substrates |
| 03/16/2004 | US6706207 Aqueous sulfuric acid and sodium metatitanate or potassium titanate; nontoxic; environment, health |
| 03/16/2004 | US6706123 Phosphate conversion coating concentrate |
| 03/16/2004 | CA2313549C Perforative corrosion resistant galvanized steel sheet |
| 03/16/2004 | CA2112229C Multiple aluminide-silicide coating |
| 03/11/2004 | WO2004020700A1 An economic method for restoring the oxidation potential of a pickling solution |
| 03/11/2004 | US20040048486 Method for roughening copper surfaces for bonding to substrates |
| 03/10/2004 | EP1396555A1 A non-chromate protective coating for iron and iron alloys and coating solution |
| 03/10/2004 | EP1165858B1 Surface-treated steel sheet coated with chromate film for fuel tanks and method of fabricating the same |
| 03/10/2004 | EP1082392B1 Water soluble composition as metal surface coating in the form of dry films proof to atmospheric corrosion |
| 03/10/2004 | CN1480559A Water-latex tye rust removing and rust protection liquid as well as its preparation method |
| 03/04/2004 | WO2003040431A3 Post-treatment for metal coated substrates |
| 03/04/2004 | WO2003027203A3 Conducting polymer for pretreatment of metallic and non-metallic surfaces |
| 03/04/2004 | WO2003002776A3 Method of anodizing of magnesium and magnesium alloys and producing conductive layers on an anodized surface |
| 03/04/2004 | US20040043907 Before applying lubricant |
| 03/04/2004 | US20040040686 Method for coating a metallic component |
| 03/04/2004 | DE10254952A1 Regeneration of phosphatizing bath overflow or rinse water involves passage through a weakly acidic ion-exchanger followed by a second weakly acidic ion-exchanger, a strongly acidic ion-exchanger or a reverse osmosis apparatus |
| 03/03/2004 | EP1394288A2 Treating solution and treating method for forming protective coating films on metals |
| 03/03/2004 | EP1394281A1 UNIDIRECTIONAL SILICON STEEL SHEET OF ULTRA−LOW IRON LOSS AND METHOD FOR PRODUCTION THEREOF |
| 03/03/2004 | EP1394277A1 Sintered material product and method for manufacturing the same |
| 03/03/2004 | EP1392887A1 Preventing a membrane from blocking up during the treatment of waste water during phosphatization |
| 03/03/2004 | EP1149185B1 Ferrate conversion coatings for metal substrates |
| 03/03/2004 | CN1479808A Etched stainless steel plate |
| 03/03/2004 | CN1479807A Surface-treating agent for metallic material with excellent suitability for press forming and chemical treatment and method of treatment |
| 03/03/2004 | CN1479806A Zinc-based metal plated steel and method for production thereof |
| 03/03/2004 | CN1478921A Metal surface treatment composite, metal surface treatment method and galvanized steel sheet obtained by it |
| 03/03/2004 | CN1140652C Surface-treated article of magnesium or magnesium alloy, method of surface preparation and method of coating |
| 03/02/2004 | US6698507 Aluminum alloy heat exchanger resistive to tobacco odor impregnation |
| 02/26/2004 | WO2002031222B1 Method for coating metallic surfaces with an aqueous composition, the aqueous composition and use of the coated substrates |
| 02/26/2004 | US20040037964 Primer coating of steel |
| 02/26/2004 | US20040037765 Treating a nickel-bearing aqueous solution consisting of phosphating-bath overflow and/or of rinsing water after phosphating, phosphating being effected with an acidic aqueous phosphating solution that contains 3 to 50 g/l phosphate ions |
| 02/25/2004 | EP1390565A2 Composition and method for treating magnesium alloys |
| 02/25/2004 | EP1390564A2 Method for coating metallic surfaces and use of the substrates coated in this manner |
| 02/25/2004 | EP1290242B1 Method for treating or pre-treating components comprising aluminium surfaces |
| 02/25/2004 | CN1478155A Passivation method |
| 02/25/2004 | CN1477161A Anti-corrosive chromic phosphorized chemical conversion type paint |
| 02/25/2004 | CN1139674C Passivation filming technique on surface of stainless steel |
| 02/25/2004 | CN1139673C Method for treatment of blackening chemically coated Ni layer |
| 02/24/2004 | US6696097 Molding a mixture of an smfen magnetic powder with a resin binder into a desired shape and subjecting the surface of the shaped body to a coating treatment using a phosphate. |
| 02/24/2004 | US6695931 Composition and method for metal coloring process |
| 02/19/2004 | WO2004015151A1 Titanium alloys excellent in hydrogen absorption-resistance |
| 02/19/2004 | WO2003097900A3 Conversion layer for bases made of zinc or zinc alloys |
| 02/19/2004 | US20040034109 Treatment for improved magnesium surface corrosion-resistance |
| 02/19/2004 | DE10236526A1 Process for treating or pre-treating parts, profiles, strips, sheets and/or wires having metallic surfaces comprises using an aqueous acidic solution containing fluoride, zinc and phosphate |
| 02/18/2004 | CN1476356A Protective reaction rinse for autodeposition coatings |
| 02/18/2004 | CN1475603A Environmental protection type multi mode, fast and enery saving iron series phosphatizing solution |
| 02/18/2004 | CN1475602A Preparation method of magnesium alloy chromeless chemical conversion film and its used film forming solution |
| 02/18/2004 | CN1138873C Method for forming cobalt transfer film on metal substrate, cobalt transfer film plating liquid and its use |
| 02/17/2004 | US6692583 Magnesium conversion coating composition and method of using same |
| 02/17/2004 | US6692155 Rolling sliding member, process for the production thereof and rolling sliding unit |
| 02/12/2004 | WO2002055758A3 Corrosion resistant coatings for aluminum and aluminum alloys |
| 02/12/2004 | US20040028829 Silane coatings for bonding rubber to metals |
| 02/12/2004 | US20040028820 By oxidation of aqueous cerium solution |
| 02/12/2004 | US20040026667 Mixture of chromium compound, silica and lubricant; surface treatment of steel sheet |
| 02/12/2004 | US20040025973 Corrosion resistant protective coatings; heat conductivity |
| 02/12/2004 | US20040025972 Method of controlling a treatment line |
| 02/11/2004 | CN1474720A Process for enhancing adhesion of organic coatings to metal surfaces |
| 02/10/2004 | US6689481 Organic hydrophilic coating layer comprising chitosan and derivatives thereof, and a polycarboxylic compound |
| 02/10/2004 | US6689217 Apparatus for chemically treating a metal part |
| 02/05/2004 | US20040020568 Non-toxic corrosion-protection conversion coats based on rare earth elements |
| 02/05/2004 | US20040020566 For pretreating a copper surface for protecting the surface from oxidation |
| 02/05/2004 | US20040020565 Non-chromate conversion coating treatment for metals |
| 02/05/2004 | US20040020564 Adhesion promoter in conversion solutions |
| 02/05/2004 | DE10232747A1 Verwendung von Polyisobutylen-Derivaten zur Behandlung von Metalloberflächen The use of polyisobutylene derivatives for the treatment of metal surfaces |
| 02/04/2004 | EP1386020A2 Method for applying a phosphate coating and use of metal parts coated in this manner |
| 02/04/2004 | EP1386018A2 Method for treating ferrous alloy parts in order to improve the rubbing properties thereof without causing hardness loss or deformation |
| 02/04/2004 | CN1472499A Aluminium or aluminium alloy rib materials for heat exchanger and their production |
| 02/04/2004 | CN1137286C Rust removing liquid |
| 02/04/2004 | CN1137007C Resin-coated aluminum-zinc alloy coating steel products |
| 02/03/2004 | US6686058 Zinc or zinc-nickel plating with phosphoric acid and trivalent chromium protective layer; prevents brittleness caused by thermal degradation; noncracking; anticorrosivity |
| 01/29/2004 | WO2004009871A1 Multilayer plated fuel line parts for automobile |
| 01/29/2004 | WO2004009870A1 Surface-treated steel sheet excellent in resistance to white rust and method for production thereof |
| 01/29/2004 | WO2004009869A2 Corrosion-inhibiting coating for metal surfaces |
| 01/29/2004 | WO2004009714A1 Reduced chromate silane film |
| 01/29/2004 | WO2004009654A1 Use of polyisobutylene derivatives for treating metal surfaces |
| 01/29/2004 | WO2003035942A3 An electrolytic and electroless process for treating metallic surfaces and products formed thereby |
| 01/29/2004 | US20040016910 Non-toxic corrosion-protection rinses and seals based on rare earth elements |
| 01/29/2004 | US20040016363 To be deposited onto steel or cast iron surfaces for enhanced corrosion protection |
| 01/29/2004 | DE10231279B3 Verfahren zur Beschichtung von metallischen Oberflächen und Verwendung der derart beschichteten Substrate A process for coating metallic surfaces and use of such coated substrates |
| 01/28/2004 | CN1470673A Apparatus and method for pretreatment before painting |
| 01/28/2004 | CN1470672A Surface conditioner containing zinc phosphate, phosphate chemical conversion treatment steelboard, coating steelboard and zinc phosphate dispersion liquid |