| 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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| 01/08/1998 | WO1998000578A1 Composition and process for treating metal |
| 01/08/1998 | CA2259332A1 Composition and process for treating metal |
| 01/07/1998 | EP0816532A2 Method for production of slide fastener or stringers thereof |
| 01/07/1998 | EP0815295A1 Reducing or avoiding surface irregularities in electrophoretic painting of phosphated metal surfaces |
| 01/07/1998 | EP0815286A1 Compositions and processes for forming a solid adherent protective coating on metal surfaces |
| 01/07/1998 | EP0730673A4 Anticorrosion treatment of metal coated steel having coatings of aluminium, zinc or alloys thereof |
| 01/06/1998 | US5704995 Method for forming a black, adherent coating on a metal substrate |
| 01/06/1998 | CA2093704C Method and system for monitoring quality of phosphate coating |
| 12/31/1997 | WO1997049841A1 Process for the reduction of copper oxide |
| 12/31/1997 | CN1169165A Method of applying phosphate coatings to metal surfaces |
| 12/30/1997 | US5702759 Repairing damage on metal surface |
| 12/30/1997 | US5702581 Simplified process for producing a corrosion-protecting, well adhering lacquer coating and the workpieces obtained thereby |
| 12/29/1997 | EP0814644A1 Improved copper foil for printed circuit boards |
| 12/29/1997 | EP0813620A1 Composition and process for forming an underpaint coating on metals |
| 12/29/1997 | EP0813619A1 Method of preparing iron-phosphate conversion surfaces |
| 12/23/1997 | US5700561 Chromated metal sheet having high corrosion resistance with improved lubricity and electric conductivity |
| 12/23/1997 | US5700525 Enhancing with a paraffin wax emulsified with nonionic surfactants |
| 12/23/1997 | US5700523 Method for treating metal surfaces using a silicate solution and a silane solution |
| 12/23/1997 | US5700362 Method of treating copper foil for printed circuits |
| 12/23/1997 | US5700334 Composition and process for imparting a bright blue color to zinc/aluminum alloy |
| 12/23/1997 | CA2058683C Nickel alloy electroplated cold-rolled steel sheet excellent in press-formability and phosphating-treatability and method for manufacturing same |
| 12/17/1997 | EP0812934A1 Aluminum surface treatment agent, treatment method, and treated aluminum |
| 12/17/1997 | EP0812933A2 Surface-treated metal material and metal surface treatment method |
| 12/17/1997 | CN1167659A Method for surface treatment of titanium and titanium alloy sections for cold drawing |
| 12/16/1997 | USRE35688 Composition and method for treatment of phosphated metal surfaces |
| 12/14/1997 | CA2207534A1 Aluminum surface treatment agent, treatment method, and treated aluminum |
| 12/11/1997 | WO1997046733A1 Surface-treated steel sheet excellent in corrosion resistance after working |
| 12/10/1997 | EP0811676A1 Composition for cleaning and coating the interior of an internal combustion engine and method for cleaning and coating the interior of an internal combustion engine therewith |
| 12/10/1997 | EP0799326A4 Low sludging composition and process for treating aluminum and its alloys |
| 12/10/1997 | CN1167510A Composition and method for treatment of conversion-coated metal surface |
| 12/04/1997 | WO1997045568A1 Zinc phosphating with integrated subsequent passivation |
| 12/04/1997 | DE19621184A1 Zinkphosphatierung mit integrierter Nachpassivierung Zinc phosphating with integrated post-passivation |
| 12/04/1997 | CA2256695A1 Zinc phosphating with integrated subsequent passivation |
| 12/03/1997 | CN1166865A Zinc phosphate coating compositions containing oxime accelerators |
| 12/02/1997 | US5693739 Phenolic polymers from amino phenols and anhydride or epoxy polymers |
| 12/02/1997 | US5693371 Method for forming chromium-free conversion coating |
| 12/02/1997 | US5693153 Non-chromated surface preparation materials and methods for corrosion protection of aluminum and its alloys |
| 12/02/1997 | CA2067709C Process for the manufacture of printed circuits using electrophoretically deposited organic resists |
| 12/02/1997 | CA2011053C Steel plate with organic coating having improved corrosion resistance |
| 11/26/1997 | EP0777763A4 Composition and process for treating metals |
| 11/25/1997 | US5691001 Method for surface treatment of a metallic material |
| 11/18/1997 | US5688340 Preparation of metal surfaces for vitreous enameling |
| 11/12/1997 | EP0721515B1 Nonabrasive, corrosion resistant, hydrophilic coatings for aluminum surfaces, methods of application, and articles coated therewith |
| 11/11/1997 | US5685922 Coating the surface of a can with a chemical conversion solution and treating coated can with a surface treatment solution containing a quaternary ammonium salt |
| 11/06/1997 | WO1997041277A1 Chromate passivating and storage stable concentrate solutions therefor |
| 11/06/1997 | WO1997041273A1 Process for the preparation of hydroxyapatite coatings |
| 11/05/1997 | EP0805222A1 Solution and process for black chromating |
| 11/05/1997 | EP0804633A1 Process and solution for providing a conversion coating on a metal surface |
| 11/05/1997 | EP0804632A1 Phosphate conversion coating and compositions and concentrates therefore with stable internal accelerator |
| 11/04/1997 | US5683816 Passivation composition and process for zinciferous and aluminiferous surfaces |
| 11/04/1997 | US5683522 Process for applying a coating to a magnesium alloy product |
| 11/04/1997 | CA2079456C Aluminum based phosphate final rinse |
| 10/30/1997 | WO1997040208A1 Chromate-free conversion layer and process for producing the same |
| 10/29/1997 | EP0802864A1 Applicator for flowable materials |
| 10/29/1997 | CN1036281C Improved surface conditioner for formed metal surface |
| 10/23/1997 | WO1997039610A1 Organic-metallic composite coating for copper surface protection |
| 10/23/1997 | DE19615664A1 Chrom(VI)freie Chromatschicht sowie Verfahren zu ihrer Herstellung Chromium (VI) -free chromate and processes for their preparation |
| 10/22/1997 | EP0746584A4 Hydrophilicizing sealer treatment for metal objects |
| 10/15/1997 | EP0801149A1 Method for Zinc phosphating molded metal articles |
| 10/15/1997 | EP0771368A4 Process for treating the surface of aluminum sheet for cap manufacturing |
| 10/08/1997 | EP0799326A1 Low sludging composition and process for treating aluminum and its alloys |
| 10/08/1997 | EP0799293A1 Cleaning and surface conditioning of formed metal surfaces |
| 10/02/1997 | WO1997036019A1 Method for color development of metallic titanium, and black titanium and colored titanium prepared by said method |
| 10/01/1997 | EP0797909A1 Copper coating |
| 10/01/1997 | EP0797691A1 Method of increasing corrosion resistance of metals and alloys by treatment with rare earth elements |
| 10/01/1997 | EP0797631A1 Artificial patina |
| 09/30/1997 | US5672390 Applying silicate solution to surface, drying, exposing to acid to form protective coating |
| 09/25/1997 | WO1997035047A1 Method of maintaining the corrosion resistance of a steel circulation system with a lead-containing coolant |
| 09/25/1997 | WO1997035046A1 Metal surface treatment method for a material consisting of or coated with copper and/or zinc |
| 09/24/1997 | EP0796356A1 Method of applying phosphate coatings to metal surfaces |
| 09/21/1997 | CA2200542A1 Process for coating metallic molding articles |
| 09/17/1997 | EP0795045A1 Composition and method for treatment of conversion-coated metal surfaces |
| 09/17/1997 | EP0795044A1 A process of coating metal surfaces to produce a highly hydrophilic, highly corrosion resistant surface with bioresistance and low odor impact characteristics |
| 09/17/1997 | CN1159851A Steel pipe joint having high galling resistance and surface treatment method thereof |
| 09/17/1997 | CN1159835A Composition and process for treating metals |
| 09/16/1997 | US5667843 Cobalt and/or nickel compounds |
| 09/16/1997 | US5667599 Process for forming a black oxide on aluminum alloys and a solution therefor |
| 09/10/1997 | EP0793738A1 Anticorrosive and friction-reducing treatment of metallic surfaces |
| 09/10/1997 | EP0793737A1 Zinc phosphate conversion coating composition and process |
| 09/03/1997 | EP0792922A1 Chromate-free protective coatings |
| 09/03/1997 | EP0792392A1 Treatment of aluminium or aluminium alloys |
| 09/03/1997 | EP0792389A1 Zinc phosphate coating compositions containing oxime accelerators |
| 09/03/1997 | EP0769080A4 Conversion coating and process and solution for its formation |
| 09/03/1997 | CN1158632A Aqueous lubricant and surface conditioner for formed metal surfaces |
| 09/02/1997 | US5662746 Composition and method for treatment of phosphated metal surfaces |
| 08/28/1997 | WO1997031135A1 Composition and method for treatment of phosphated metal surfaces |
| 08/28/1997 | WO1997030846A1 Thermoplastic resin-coated aluminum alloy plate and method and apparatus for manufacturing the same |
| 08/28/1997 | WO1997030810A1 Phosphate coated iron powder and method for the manufacturing thereof |
| 08/27/1997 | EP0791671A1 Surface treating agent for copper or copper alloy |
| 08/27/1997 | CN1158149A Metallic sheets treated with resin-chromate and reducer in leaching of chromium |
| 08/26/1997 | US5660884 Increasing the bonding strength by coating a silicate solution and a reactive organosilane layer |
| 08/26/1997 | US5660707 Process for improving the formability and weldability properties of zinc coated sheet steel |
| 08/21/1997 | WO1997030192A1 Zinc phosphate tungsten-containing coating compositions using accelerators |
| 08/21/1997 | WO1997030191A1 Moderate temperature manganese phosphate conversion coating composition and process |
| 08/21/1997 | WO1997030190A1 Zinc phosphatizing with low quantity of copper and manganese |
| 08/21/1997 | WO1997030189A1 Zinc-phosphatizing method using low nickel and/or cobalt concentrations |
| 08/21/1997 | DE19706482A1 Corrosion inhibiting treatment of metal article without pollution e.g. by heavy metal |
| 08/21/1997 | DE19606018A1 Zinkphosphatierung mit geringen Gehalten an Nickel- und/oder Cobalt Zinc phosphating with low levels of nickel and / or cobalt |
| 08/21/1997 | DE19606017A1 Zinkphosphatierung mit geringen Gehalten an Kupfer und Mangan Zinc phosphating with low levels of copper and manganese |
| 08/21/1997 | CA2247144A1 Zinc-phosphatizing method using low nickel and/or cobalt concentrations |