| 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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| 01/10/2001 | EP0646187B1 Non-chromated oxide coating for aluminum substrates |
| 01/10/2001 | CN1279730A Polymersable chromium-free organic coil coating media |
| 01/09/2001 | US6171706 Base metal coated with abrasion resistant slide film ofnonoriented ammonium magnesium hexafluoroaluminate cubic crystals formed by reacting aluminum surface with solution of magnesium hexafluorosilicate and ammonium hexafluorosilicate |
| 01/09/2001 | US6171704 Aluminum-copper alloy part coated with a repairable phosphate bonded aluminum-filled basecoat overcoated with an aluminum silicone paint; corrosion resistance, high and low temperature resistance, water erosion resistance |
| 01/09/2001 | US6171409 Contacting metal surfaces with baths |
| 01/03/2001 | EP1065296A1 Method for forming metallic-based coating |
| 01/03/2001 | EP1064332A1 Treatment of metals |
| 01/03/2001 | EP1037719A4 Composition and process for multi-purpose treatment of metal surfaces |
| 01/03/2001 | CN1278872A Method for covering electric steel strips with an annealing separtor |
| 01/02/2001 | US6168868 Process for applying a lead-free coating to untreated metal substrates via electrodeposition |
| 01/02/2001 | US6168674 Process of phosphatizing metal surfaces |
| 01/02/2001 | US6167609 Acid pretreatment for adhesive bonding of vehicle assemblies |
| 12/28/2000 | DE10022657A1 Surface treatment process for coating sliding elements comprises producing a treatment solution containing an ammonium compound, heating, and immersing aluminum or aluminum alloy in the treatment solution |
| 12/27/2000 | EP1062379A1 Surface-treated article of magnesium or magnesium alloys, method of surface preparation and method of coating |
| 12/27/2000 | EP1062378A1 Improved protective coatings for metals and other surfaces |
| 12/27/2000 | CN1059936C Prepn. of compoistion for treating metal aluminium surface, the composition and use thereof |
| 12/26/2000 | US6165624 Article and method of producing a double oxide film |
| 12/21/2000 | WO2000076585A1 Method of coating a metal substrate with a radioactive layer |
| 12/20/2000 | EP1060290A1 Aqueous solution and method for phosphatizing metallic surfaces |
| 12/20/2000 | CN1277640A Surface-treated steel sheet for fuel tanks and method of fabricating same |
| 12/19/2000 | US6162547 Corrosion resistance of metal surfaces with silane coatings |
| 12/19/2000 | US6162508 Zinc or zinc alloy plated article with protected coating hrs, thus extending applicability of a conventional molyphos coating to applications to telecommunications, |
| 12/19/2000 | US6162503 Process for improving the adhesion of polymeric materials to metal surfaces |
| 12/19/2000 | CA2231534C Non-chrome post-rinse composition for phosphated metal substrates |
| 12/19/2000 | CA1341156C Aluminum alloy having a non-chromium protective coating |
| 12/14/2000 | WO2000075397A1 Heat exchanger made of aluminum alloy |
| 12/13/2000 | EP1024905A4 Process for coating and/or touching up coatings on metal surfaces |
| 12/12/2000 | US6159552 Inorganic conversion coatings for ferrous substrate |
| 12/12/2000 | US6159534 Method for producing non-oriented electromagnetic steel sheet having insulating film excellent in film properties |
| 12/12/2000 | US6158407 Cylinder liner and method for its production |
| 12/12/2000 | CA2129162C Process for improving wear and corrosion resistance in ferrous metal pieces |
| 12/12/2000 | CA2085489C Liquid composition and process for treating aluminum or tin cans to impart corrosion resistance and mobility thereto |
| 12/07/2000 | WO2000074451A1 Process for promoting adhesion between an inorganic substrate and an organic polymer |
| 12/07/2000 | WO2000073536A1 Post-passivation of a phosphatized metal surface |
| 12/07/2000 | WO2000073535A1 Phosphate-treated electrogalvanized steel sheet excellent in corrosion resistance and coating suitability |
| 12/07/2000 | CA2400695A1 Post-passivation of a phosphatized metal surface |
| 12/06/2000 | EP0931179B1 Method for phosphating a steel band |
| 12/06/2000 | CN1059244C Organic rust-proof treating copper foil |
| 11/30/2000 | WO2000071626A1 Chromium-free anticorrosive and anticorrosive method |
| 11/30/2000 | WO2000032842A9 Closed-loop phosphatizing system and method |
| 11/30/2000 | DE19958775A1 Nachpassivierung einer phosphatierten Metalloberfläche Post-passivation of phosphated metal surface |
| 11/30/2000 | CA2374539A1 Chromium-free anticorrosive and anticorrosive method |
| 11/29/2000 | EP1055355A1 Process for the preliminary treatment of copper surfaces |
| 11/29/2000 | CN1058916C Method for producing shaft sleeve by tetrachronium 13 bar material |
| 11/28/2000 | US6153270 Coating medium is applied to at least the surface region of the body being coated, surface region of the body being coated is heated by induction to a reaction temperature before and/or while and/or after applying the coating |
| 11/28/2000 | US6153022 Composition and process for surface treatment of aluminum and its alloys |
| 11/28/2000 | CA2200615C Stainless steel alkali treatment |
| 11/23/2000 | WO2000070123A1 Process for the surface treatment of magnesium alloys |
| 11/23/2000 | WO2000069976A1 Silica sol, composition containing the same, method for treating said silica sol and uses thereof |
| 11/23/2000 | WO2000039177A3 Silane treatment for electrocoated metals |
| 11/23/2000 | DE19923084A1 Chromium-free corrosion protection agent for coating metallic substrates contains hexafluoro anions, phosphoric acid, metal compound, film-forming organic polymer or copolymer and organophosphonic acid |
| 11/22/2000 | CN1274305A Pretreatment before painting of composite metal structures containing aluminum portions |
| 11/22/2000 | CN1058759C Energy-saving low-temp. fast phosphorization liquid |
| 11/22/2000 | CN1058667C Two-colour forming method for metal |
| 11/21/2000 | US6150040 Made of austenitic stainless steel and having a surface which contacts pure steam, said surface not having been subjected to mechanical surface polishing and being passivated to form a passivation film of high chromium content; nondiscoloring |
| 11/21/2000 | US6150033 Environmentally friendly coating compositions, bonding solution, and coated parts |
| 11/21/2000 | US6149735 Chromate treatment bath composition and process for application to metals |
| 11/21/2000 | CA2040859C Activating agent for use in phosphating processes |
| 11/16/2000 | WO2000068466A1 Process for applying a lead-free coating to untreated metal substrates via electrodeposition |
| 11/16/2000 | WO2000068464A2 Alloy plating |
| 11/16/2000 | WO2000068460A1 Process for the treatment of continuous coils of sheet metal and products prepared thereby |
| 11/16/2000 | WO2000068459A1 Compositions and process for treating metal substrates |
| 11/16/2000 | WO2000068458A1 Pretreatment of aluminum surfaces with chrome-free solutions |
| 11/16/2000 | WO2000068325A2 Weldable, coated metal substrates and methods for preparing and inhibiting corrosion of the same |
| 11/16/2000 | WO2000068154A1 Method for carrying out zinc phophatization with reduced quantities of nickel, with subsequent water treatment |
| 11/16/2000 | DE19921842A1 Vorbehandlung von Aluminiumoberflächen durch chromfreie Lösungen Pretreatment of aluminum surfaces with chromium-free solutions |
| 11/16/2000 | CA2373102A1 Process for applying a lead-free coating to untreated metal substrates via electrodeposition |
| 11/16/2000 | CA2373089A1 Pretreatment of aluminum surfaces with chrome-free solutions |
| 11/16/2000 | CA2372745A1 Weldable, coated metal substrates and methods for preparing and inhibiting corrosion of the same |
| 11/16/2000 | CA2372579A1 Alloy plating |
| 11/15/2000 | EP1051888A1 Process and solution for the preliminary treatment of copper surfaces |
| 11/15/2000 | EP1051539A1 Surface-treated steel sheet for fuel tanks and method of fabricating same |
| 11/15/2000 | EP1051538A1 Process for the manufacture of blackened surgical needles |
| 11/15/2000 | EP1051537A1 Group iv-a protective films for solid surfaces |
| 11/15/2000 | CN1273281A Surface treatment method, sliding component and piston |
| 11/14/2000 | US6146701 Treating metal surfaces with composition comprising oxidizer, acid, corrosion inhibitor, source of halide ions, source of adhesion enhancing ions selected from molybdates, tungstates, tantalates, niobates, vanadates and a water soluble polymer |
| 11/14/2000 | US6146473 Metal surface treatment composition containing an acrylic resin comprising a n-heterocycle ring, treatment method, and treated metal material |
| 11/14/2000 | CA2308205A1 Metal surface treatment agents, methods of treating metal surfaces and pre-coated steel sheets |
| 11/14/2000 | CA2039901C Process of phosphating metal surfaces using nickel free phosphating solutions |
| 11/14/2000 | CA2024793C Protective coating processes for zinc coated steel |
| 11/14/2000 | CA2024264C Corrosion resistant coated aluminum articles and process for making same |
| 11/09/2000 | WO2000066808A1 Method for chemically processing articles made of titanium or alloys thereof |
| 11/09/2000 | DE19921135A1 Verfahren zur nickelarmen Zinkphoshatierung mit anschließender Wasserbehandlung Method for low-nickel Zinkphoshatierung with subsequent water treatment |
| 11/08/2000 | EP1050605A2 Process for pickling stainless steel in the absence of nitric acid and in the presence of chloride ions |
| 11/08/2000 | EP1050603A1 Surface treated steel sheet having excellent corrosion resistance and method for producing the same |
| 11/08/2000 | EP1049748A1 Aqueous metal treatment composition |
| 11/07/2000 | US6143422 Surface-treated steel sheet having improved corrosion resistance after forming |
| 11/07/2000 | CA1341137C Chromium-containing low-cure coating composition |
| 11/02/2000 | WO2000064817A1 Waste water treatment during phosphation |
| 11/02/2000 | WO2000043573A8 Passivating etchants for metallic particles |
| 11/02/2000 | EP1047508A1 Process for improving the corrosion resistance of a metal surface |
| 11/02/2000 | DE19918713A1 Abwasseraufbereitung bei der Phosphatierung Wastewater treatment in the phosphating |
| 11/02/2000 | DE19906555A1 Metal and-or ceramic powder for production of low wear surfaces and machining tools and as polymer additives, comprises particles coated with protective layer which modifies powder properties |
| 11/02/2000 | DE10016181A1 Electrolytic coating of (cast) steel parts for vehicles comprises coating with zinc (alloy), phosphatizing and coating with a clear varnish obtained from a titanium and/or zirconium compound and organofunctional polysiloxane(s) |
| 11/01/2000 | CN1272143A Metal surface treating agent, method for treating metal surface and precoated steel plate |
| 11/01/2000 | CN1058061C Salt bath composition based on alkali nitrates for oxidizing ferrous metal to improve its corrosion resistance |
| 10/31/2000 | US6139708 An electrodeposition coating system. |
| 10/26/2000 | WO2000063462A1 Silane coatings for adhesion promotion |
| 10/26/2000 | WO2000063303A1 Silane treatments for corrosion resistance and adhesion promotion |
| 10/25/2000 | EP0979208A4 Composition and method for reducing copper oxide to metallic copper |