| 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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| 04/11/2000 | US6048921 Method for applying conversion coating with wick applicator |
| 04/06/2000 | WO2000018983A1 Preparation of workpieces for cold forming |
| 04/05/2000 | EP0966554A4 Aqueous phosphating composition and process for metal surfaces |
| 03/30/2000 | WO1999066104A3 Method for inhibiting stains on aluminum product surfaces |
| 03/30/2000 | DE19844554A1 Wear resistance of metal product, especially steel tool or construction or machine component, is increased by sodium bicarbonate solution treatment, heat treatment and ammonium dichromate solution treatment |
| 03/30/2000 | DE19842626A1 Use of a composition containing metal pigments as corrosion protection coating for parts made of materials in direct contact with magnesium components in the car industry |
| 03/29/2000 | CN1248958A Composition and method for reducing copper oxide to metallic copper |
| 03/29/2000 | CN1248642A Alkali degrease treating liquid for metal material and use method thereof |
| 03/23/2000 | WO2000015880A1 Process for electrolytic pickling using nitric acid-free solutions |
| 03/23/2000 | WO2000015878A1 Zinc coated steel plates coated with a pre-lubricating hydroxysulphate layer and methods for obtaining same |
| 03/23/2000 | CA2343778A1 Process for electrolytic pickling using nitric acid-free solutions |
| 03/22/2000 | EP0730672B1 Composition and process for treating magnesium-containing metals and product therefrom |
| 03/22/2000 | CN1247777A Resin-coated aluminum-zinc alloy coating steel products |
| 03/21/2000 | US6040054 Chromium-free, metal surface-treating composition and surface-treated metal sheet |
| 03/21/2000 | US6038882 Absorbent solution supplied comprises lithium bromide and contains a lithium molybdate corrosion inhibitor |
| 03/16/2000 | WO2000014301A1 Alkaline liquid composition and method for degreasing metals |
| 03/15/2000 | CN1247238A In-situ preparing of insulating film on surface of marmem |
| 03/14/2000 | US6036762 Mixture of metal salt dissolved in alcohol and phosphorous pentoxide dissolved in alcohol; corrosion and chemical resistant coatings for metals, ceramics and fibers for use incomposites |
| 03/08/2000 | EP0984672A2 Process for treating metal surfaces |
| 03/08/2000 | CN1246896A Surface treatment composition for metallic material and method for treatment |
| 03/02/2000 | WO2000010737A1 Coating lead surfaces |
| 03/02/2000 | DE19839479A1 Chemical or electrochemical treatment of an axisymmetric hollow component involves holding the component in a rotating unit so that a circumferential section of the component is dipped into the treatment bath |
| 03/01/2000 | EP0963460A4 High coating weight iron phosphating compositions |
| 02/23/2000 | CN1245539A Sludge reducing zinc phosphating process and composition |
| 02/23/2000 | CN1245224A Surficially oxidized broadsword or sword body and its treating technology |
| 02/23/2000 | CN1049701C Method for forming improved corrosion-resisting coating on Mg-containing workpiece and workpiece containing Mg |
| 02/22/2000 | US6027580 Hydrophilicizing post-treatment over chromate conversion coating |
| 02/22/2000 | US6027579 Rinse comprising zirconium ions, vanadium ions, fluoride ions, and phosphate ions in a ratio and a concentration effective for providing the phosphate conversion-coated ferrous metal substrate with improved corrosion resistance |
| 02/22/2000 | US6027578 Comprising a polyhydroxy aromatic, an oxide of a transition metal, and aluminum chlorohydrol to provide an aesthetically pleasing blue appearance |
| 02/22/2000 | US6027145 Joint for steel pipe having high galling resistance and surface treatment method thereof |
| 02/17/2000 | WO2000008231A1 Method for phosphatizing, rerinsing and cathodic electro-dipcoating |
| 02/17/2000 | WO2000008224A2 Nickel-zinc phosphate conversion coatings and process for making the same |
| 02/17/2000 | DE19938335A1 Non-chromium anticorrosive treatment for preventing formation of white rust on metal or steel plated with metal involves applying coating containing sulfur compounds and a water dispersible silica |
| 02/17/2000 | DE19935164A1 Method of bonding thermally sprayed coating to non-roughened light metal surface by pre-treating with fluoride |
| 02/17/2000 | CA2339234A1 Method for phosphatizing, rerinsing and cathodic electro-dipcoating |
| 02/17/2000 | CA2304689A1 Nickel-zinc phosphate conversion coatings |
| 02/16/2000 | EP0979880A1 Non-chromium metal pretreatment chemicals and process |
| 02/16/2000 | EP0979317A2 Process for application of an inorganic coating to an electrically conducting body |
| 02/16/2000 | EP0979208A1 Composition and method for reducing copper oxide to metallic copper |
| 02/15/2000 | CA2024226C Magnesium oxide coating for electrical steels and a method of coating |
| 02/10/2000 | WO2000006810A1 Installation and method for multilayered immersion coating |
| 02/10/2000 | CA2338971A1 Installation and process for multiple coating by dipping |
| 02/09/2000 | EP0977908A1 Conditioning metal surfaces prior to phosphate conversion coating |
| 02/09/2000 | CN1049253C Notoxic blackening liquid for iron and steel surface at normal temp. |
| 02/08/2000 | US6022425 Rare earth impregnated aluminium oxide layer formed by the process of the invention has good corrosion properties |
| 02/03/2000 | WO2000005066A1 Conditioning metal surfaces before phosphating them |
| 02/03/2000 | DE19834796A1 Verfahren zur Phosphatierung, Nachspülung und kathodischer Elektrotauchlackierung Phosphating process, rinsing and cathodic electrodeposition coating |
| 02/03/2000 | DE19834245A1 Anlage und Verfahren zum Mehrfachbeschichten durch Tauchen System and method for multi-Dip Coating |
| 02/02/2000 | EP0975439A1 Process for touching up pretreated metal surfaces |
| 02/02/2000 | CN1049021C Titanium-phosphate-comprised liquid activating composition and powdered solid mixture and activating process of metal surface |
| 02/01/2000 | US6020030 Pretreated with an aqueous solution containing an organophosphorus compound before coating the substrate with a polymer. |
| 02/01/2000 | US6020029 Process for treating metal surfaces |
| 02/01/2000 | US6019942 Method of maintaining the corrosion resistance of a steel circulation system with a lead-containing coolant |
| 02/01/2000 | US6019858 Contacting the metal surface with an acidic conversion coating solution containing phosphate ions, zinc ions, and hydroxylamine sulfate; replenishing said coating solution with a replenishing ccmposition containing hydroxylamine sulfate |
| 02/01/2000 | CA2162230C Passivate for tungsten alloy electroplating |
| 02/01/2000 | CA2022728C Process of producing phosphate coating on metals |
| 01/27/2000 | WO2000004207A1 Degreasing and zinc phosphate conversion treatment of oily metal substrates in a single process operation |
| 01/26/2000 | EP0974986A2 Rare earth permanent magnet of high corrosion resistance |
| 01/26/2000 | EP0974683A1 Surface treating agent of steel material and surface-treated steel material |
| 01/26/2000 | EP0974682A1 Method and apparatus for the chemical treatment of metalsurfaces |
| 01/26/2000 | CN1242805A Method of preventing corrosion of metals using silanes |
| 01/26/2000 | CN1242804A Suface-treating agent of steel material and surface-treated steel material |
| 01/26/2000 | CN1242436A Conditioning liquid and conditioning process used in pretreatment for forming of phosphate layer on metallic surface |
| 01/26/2000 | CN1242435A Method for chemically treating stainless steel filler |
| 01/26/2000 | CN1242359A Novel polyoxyethylene alkylphenol ether derivatives, process for preparing the same, and surface treating agent for metals containing the same |
| 01/26/2000 | CN1048762C Zirconium material prefilming method and its equipment |
| 01/20/2000 | DE19858035A1 Verfahren zur chemischen Behandlung von Metalloberflächen und dazu geeignete Anlage Method for the chemical treatment of metal surfaces and to appropriate investment |
| 01/19/2000 | EP0817872B1 Phosphating process with a metalliferous re-rinsing stage |
| 01/19/2000 | CN1241730A Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus |
| 01/19/2000 | CN1241647A Compound and treatment process for surface oxidation of cylinder bush |
| 01/18/2000 | CA2172614C Nonabrasive, corrosion resistant, hydrophilic coatings for aluminum surfaces, methods of application, and articles coated therewith |
| 01/13/2000 | WO2000002426A1 Post-treatment for copper on printed circuit boards |
| 01/13/2000 | CA2335816A1 Post-treatment for copper on printed circuit boards |
| 01/12/2000 | CN1241201A Metal surface treatment composition, method for treatment, and treated metal material |
| 01/11/2000 | US6013377 Surface-treated metal material and metal surface treatment method |
| 01/11/2000 | US6013328 Electroless method of antiquing a pewter component |
| 01/11/2000 | US6013142 Composition and process for preventing blistering during heat treating of aluminum alloys |
| 01/11/2000 | US6012850 Sliding bearing assembly |
| 01/05/2000 | EP0969481A1 Phosphate coating for varistor and method |
| 01/05/2000 | EP0969121A1 Expandable vertical dip pretreatment and electro-deposition system |
| 01/05/2000 | EP0969078A2 Process for treating formed metal surfaces |
| 01/05/2000 | EP0968320A1 Process for manufacturing welded hollow bodies |
| 01/05/2000 | CN1240468A Metal surface treatment composition containing acrylic resin, method for treatment, and treated metal materials |
| 01/05/2000 | CN1240239A Metal surface treatment method and metal structure unit with surface formed by using said method |
| 01/04/2000 | US6011135 Triazine thiol derivative having a perfluoro group, method for producing same and use of same |
| 01/04/2000 | US6010263 Applicator for flowable materials |
| 01/01/2000 | CA2276668A1 Expandable vertical dip pretreatment and electro-deposition system |
| 12/30/1999 | CA2242256A1 Aqueous protective and adhesion promoting composition |
| 12/29/1999 | WO1999067444A1 Corrosion prevention of metals using bis-functional polysulfur silanes |
| 12/29/1999 | WO1999067442A1 Process for the preliminary treatment of a metallic workpiece before coating |
| 12/29/1999 | WO1999067029A1 Treating solid, especially aluminum, surfaces |
| 12/29/1999 | EP0967020A2 Resin-coated Al-Zn alloy coated steel sheet |
| 12/29/1999 | EP0966737A1 Corrosion protection of aluminum and aluminum alloys using emeraldine base polyaniline |
| 12/29/1999 | EP0966554A1 Aqueous phosphating composition and process for metal surfaces |
| 12/29/1999 | EP0728225B1 Composition and process for treating metal |
| 12/29/1999 | CN1239968A Build-up suppressor agents, compositions containing them and method of use in polymerization processes |
| 12/29/1999 | CN1239908A Method of preventing corrosion of metal sheet using vinyl silanes |
| 12/29/1999 | CA2336137A1 Treating solid, especially aluminum, surfaces |
| 12/29/1999 | CA2335987A1 Process for the preliminary treatment of a metallic workpiece before coating |
| 12/23/1999 | WO1999066104A2 Method for inhibiting stains on aluminum product surfaces |