| 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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| 09/23/1998 | CN1194020A Low lead release plumbing components made of copper basedalloys containing lead, and method for obtaining the same |
| 09/23/1998 | CN1039915C Production of grain-oriented silicon steel sheets having insulating film formed thereon |
| 09/22/1998 | US5810939 Method at treatment of metals |
| 09/22/1998 | CA2066026C Composition and process for chromating galvanized steel and like materials |
| 09/17/1998 | WO1998040881A1 Corrosion protection of aluminum and aluminum alloys using emeraldine base polyaniline |
| 09/17/1998 | CA2283926A1 Corrosion protection of aluminum and aluminum alloys using emeraldine base polyaniline |
| 09/16/1998 | EP0846192A4 Composition and process for treating the surface of aluminiferous metals |
| 09/15/1998 | US5807442 Chromate passivating and storage stable concentrate solutions therefor |
| 09/15/1998 | CA2065536C Organic composite coated steel strip having improved corrosion resistance and spot weldability |
| 09/11/1998 | WO1998039498A1 Conditioning metal surfaces prior to phosphate conversion coating |
| 09/11/1998 | WO1998030735A3 Method of preventing corrosion of metals using silanes |
| 09/09/1998 | EP0749501B1 An aqueous solution containing a dissolved inorganic silicate or aluminate, an organofunctional silane and a non-functional silane and a method of pretreating a metal with this solution |
| 09/09/1998 | EP0713539B1 Phosphate treatment process for steel strip with one galvanised surface |
| 09/08/1998 | US5804652 Method and composition for treating metal surfaces |
| 09/08/1998 | US5803990 Environmentally friendly coating compositions, bonding solution, and coated parts |
| 09/01/1998 | US5801217 Containing diglycidyl ether of bishenol a, hydrolyzable silane, fluoroacids; corrosion resistance and adhesion ofpaints to metals |
| 09/01/1998 | US5800859 Surface treatment with hydrogen peroxide, inorganic acid, corrosion inhibitor, surfactant |
| 08/27/1998 | WO1998013534A3 Method for phosphating a steel band |
| 08/26/1998 | EP0859872A1 Non-chromate corrosion inhibitors for aluminum alloys |
| 08/26/1998 | EP0859871A1 Composition and process for surface treatment of aluminum and its alloys |
| 08/26/1998 | EP0859870A1 Aqueous protective and adhesion promoting composition |
| 08/26/1998 | EP0752012B1 Process for producing magnetic steel sheets with a glass coating |
| 08/25/1998 | US5797987 Zinc phosphate conversion coating compositions and process |
| 08/25/1998 | CA2140504C Process for converting lead and lead oxides to barium metaplumbate |
| 08/20/1998 | DE19705701A1 Phosphating metal surfaces for subsequent lacquering |
| 08/19/1998 | EP0759097B1 Production of phosphate-containing activating agents for phosphatization with the aid of microwaves |
| 08/18/1998 | US5795662 Zincate-treated article of Al-Mg-Si base alloy and method of manufacturing the same |
| 08/18/1998 | US5795661 Applying oxalic acid solution; forming zinc oxalate; applyinglubricant; absorption |
| 08/18/1998 | US5795409 Mixture of a (benz)imidazole compound, chelate compound and iron |
| 08/18/1998 | US5795408 Process for the phosphatising treatment of steel strip or sheet galvanized on one side or alloy galvanized on one side |
| 08/18/1998 | US5795407 Using zinc phosphate |
| 08/12/1998 | EP0707523A4 Polyphenol compounds and treatment of substrates |
| 08/11/1998 | US5792283 Nickel-free phosphating process |
| 08/11/1998 | US5791960 Display device and fabrication method therefor |
| 08/06/1998 | WO1998033952A1 Process for manufacturing welded hollow bodies |
| 08/06/1998 | WO1998033951A1 Composition and method for priming substrate materials |
| 08/06/1998 | WO1998019798A3 Method of preventing corrosion of metal sheet using vinyl silanes |
| 08/06/1998 | DE19703821A1 Shaft, especially camshaft with press-fitted components |
| 08/06/1998 | DE19703641A1 Verfahren zum Herstellen geschweißter Hohlkörper A method for producing welded hollow body |
| 08/06/1998 | CA2278580A1 Composition and method for priming substrate materials |
| 07/30/1998 | WO1998032895A1 Surface treating agent of steel material and surface-treated steel material |
| 07/30/1998 | WO1998032894A1 Aqueous phosphating composition and process for metal surfaces |
| 07/30/1998 | CA2277967A1 Aqueous phosphating composition and process for metal surfaces |
| 07/22/1998 | EP0693139B1 Composition and process for substitutionally plating zinc or zinc-alloy surfaces |
| 07/22/1998 | CN1188589A Organic-metallic composite coating for copper surface protection |
| 07/22/1998 | CN1188157A Zirconium material prefilming method and its equipment |
| 07/21/1998 | US5783622 Inner inorganic chromim based coating and outer slicone coating including a dry film |
| 07/16/1998 | WO1998030735A2 Method of preventing corrosion of metals using silanes |
| 07/16/1998 | WO1998030733A1 Process for treating brass components to reduce leachable lead |
| 07/16/1998 | WO1998030732A1 Hydroxylamine stabilizers in copper-containing phosphating solutions |
| 07/16/1998 | WO1998030510A1 Process for treating brass components to reduce leachable lead |
| 07/16/1998 | CA2277336A1 Stabilizers for hydroxylamine in copper-containing phosphating solution |
| 07/15/1998 | EP0853140A1 Rapidly dissolving solid titanium phosphate containing activating composition |
| 07/15/1998 | CN1187546A Process for producing black oxide film on copper surface |
| 07/14/1998 | US5780122 Pretreatment method for coating on molded metal article |
| 07/14/1998 | US5779818 Process for the production of corrosion-protected metallic materials and materials obtainable therewith |
| 07/09/1998 | WO1998029580A1 Method for treating metallic surfaces |
| 07/09/1998 | DE19700326A1 Stabilisatoren für Hydroxylamin in Kupfer-haltigen Phosphatierlösungen Stabilizers for hydroxylamine in copper-containing phosphating |
| 07/08/1998 | CN1187012A Production device for coating oxide layer on every line of multiple line copper conductor |
| 07/07/1998 | US5776867 Metal workpiece, cold forming, applying iron phosphate/oxide coating, acid pickling and buffers |
| 07/07/1998 | US5776265 Process for activating a metal surface for conversion coating |
| 07/01/1998 | CN1186526A Method of preparing iron-phosphate conversion surfaces |
| 07/01/1998 | CN1038949C Zinc phosphate conversion coating for treating metal substrate and process therefor |
| 06/30/1998 | US5773090 Process for coating phosphated metal substrates |
| 06/30/1998 | US5772740 Passivation method and composition for galvanized metal surfaces |
| 06/30/1998 | US5771728 System for preparing wires made of steel, iron, or ferrous materials in general for drawing |
| 06/24/1998 | EP0848651A1 Precoat conditioning treatment for autodeposition |
| 06/23/1998 | US5769968 Method for manufacturing a developer support |
| 06/23/1998 | US5769967 Forming a corrosion resistant protective coatings |
| 06/23/1998 | CA2087698C Coated porous metal panel and method |
| 06/23/1998 | CA2023674C Coated metal fastener and method for making same |
| 06/18/1998 | WO1998026109A1 The treatment of aluminium surfaces |
| 06/17/1998 | EP0792389B1 Zinc phosphate coating compositions containing oxime accelerators |
| 06/16/1998 | US5766684 Stainless steel acid treatment |
| 06/16/1998 | US5766374 Sequentially forming a steel sheet, pickling, amorphous phosphatizing, nickel plating and enameling; antisludge agents; bonding strength |
| 06/16/1998 | US5766367 Method for preventing micromechanical structures from adhering to another object |
| 06/11/1998 | WO1998024948A1 Surface processing of steel or nickel alloy and processed steel or nickel alloy |
| 06/11/1998 | WO1998024947A1 High coating weight iron phosphating compositions |
| 06/11/1998 | WO1998024946A1 Sludge reducing zinc phosphating process and composition |
| 06/11/1998 | WO1998024820A1 Build-up suppressor agents, compositions containing them and method of use in polymerization processes |
| 06/11/1998 | CA2274466A1 Build-up suppressor agents, compositions containing them and method of use in polymerization processes |
| 06/11/1998 | CA2274094A1 High coating weight iron phosphating compositions |
| 06/11/1998 | CA2271921A1 Sludge reducing zinc phosphating process and composition |
| 06/10/1998 | EP0846783A1 Method for color development of metallic titanium, and black titanium and colored titanium prepared by said method |
| 06/10/1998 | EP0846192A1 Composition and process for treating the surface of aluminiferous metals |
| 06/10/1998 | EP0755419A4 Polymer composition and method for treating metal surfaces |
| 06/04/1998 | WO1998023789A1 Aqueous composition and process for preparing metal substrate for cold forming |
| 06/04/1998 | CA2271730A1 Aqueous composition and process for preparing metal substrate for cold forming |
| 06/03/1998 | CN1183484A Ordinary temp. phosphatizing powder capable of producing golden film |
| 06/02/1998 | US5759629 Steels coated with metals, aluminum sheets, applying hydrolysed vinyl silane as paints |
| 06/02/1998 | US5759244 Chromate-free conversion coatings for metals |
| 05/27/1998 | EP0844316A1 Surface-treated steel sheet excellent in corrosion resistance after working |
| 05/27/1998 | EP0844315A1 Non-chromated surface treatment materials and methods for corrosion protection of aluminium and its alloys |
| 05/27/1998 | EP0781258A4 Stainless steel alkali treatment |
| 05/26/1998 | US5756218 Corrosion protective coating for metallic materials |
| 05/26/1998 | US5755887 Metal working apparatus comprising aluminum or aluminum alloy |
| 05/22/1998 | WO1998021382A2 Process for application of an inorganic coating to an electrically conducting body |
| 05/20/1998 | EP0842332A1 Low lead release plumbing components made of copper based alloys containing lead, and a method for obtaining the same |
| 05/20/1998 | EP0813619A4 Method of preparing iron-phosphate conversion surfaces |
| 05/20/1998 | EP0776256A4 Stainless steel acid treatment |