| 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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| 05/20/1998 | EP0739389B1 Simplified process for producing an anticorrosive paint with a good adhesiveness and workpieces thus obtained |
| 05/19/1998 | US5753309 Composition and method for reducing copper oxide to metallic copper |
| 05/19/1998 | US5753101 Method of monitoring constituents in conversion coating baths |
| 05/14/1998 | WO1998020186A1 Phosphate conversion coating composition and process |
| 05/14/1998 | WO1998019798A2 Method of preventing corrosion of metal sheet using vinyl silanes |
| 05/14/1998 | CA2269455A1 Phosphate conversion coating composition and process |
| 05/12/1998 | US5750197 Method of preventing corrosion of metals using silanes |
| 05/12/1998 | US5750087 Process for the reduction of copper oxide |
| 05/06/1998 | EP0839931A2 Treating solution and treating method for forming protective coating films on metals |
| 05/06/1998 | EP0815286A4 Compositions and processes for forming a solid adherent protective coating on metal surfaces |
| 05/06/1998 | EP0797631A4 Artificial patina |
| 05/06/1998 | EP0760871B1 Process for coating phosphatized metal substrates |
| 05/05/1998 | US5746813 Surface protection material for printed circuit board and process of forming surface protection films |
| 04/30/1998 | WO1998017840A1 Low temperature corrosion resistant aluminum and aluminum coating composition |
| 04/30/1998 | WO1998017736A1 Metal surface treatment composition containing acrylic resin having nitrogenous heterocycles, method for treatment, and treated metal materials |
| 04/30/1998 | WO1998017735A1 Metal surface treatment composition containing acrylic resin, method for treatment, and treated metal materials |
| 04/29/1998 | EP0838537A1 Metal surface treatments, method for treating metal surface, and surface-treated metallic material |
| 04/29/1998 | EP0837954A1 Composition and process for treating the surface of aluminiferous metals |
| 04/29/1998 | EP0795044A4 A process of coating metal surfaces to produce a highly hydrophilic, highly corrosion resistant surface with bioresistance and low odor impact characteristics |
| 04/29/1998 | CN1038201C Low temp. multifunctional phosphide liquid |
| 04/28/1998 | US5743971 Of an oxidizer, a silicate and/or silicon dioxide, a metal cation and oxymetal anions thereof, and a chelating agent |
| 04/23/1998 | WO1998016324A1 Chromium-free conversion coating and methods of use |
| 04/23/1998 | CA2251374A1 Chromium-free conversion coating and methods of use |
| 04/21/1998 | US5741362 Wafer surface treating apparatus using chemical |
| 04/16/1998 | WO1998015673A1 Surface treated steel sheet and method of manufacturing the same |
| 04/16/1998 | DE19643609A1 Segmented conductor oxide layer applicator e.g. for manufacturing HV cables |
| 04/16/1998 | DE19638176A1 Corrosion resistant hexavalent chromium-free chromate coating |
| 04/15/1998 | CN1179183A Phosphating process with metalliferous re-rinsing stage |
| 04/15/1998 | CN1179182A Composition and process for forming solid adherent protective coating on metal surfaces |
| 04/09/1998 | DE19639597A1 Phosphatierverfahren für schnellaufende Bandanlagen Phosphating for high-speed belt systems |
| 04/08/1998 | EP0739429B1 Process for the joint pretreatment of steel, galvanised steel, magnesium and aluminium before their bonding to rubber |
| 04/07/1998 | US5736065 Aqueous solution of an alkali boron hydride mixed with a water-soluble polyoxyethylene chain-containing organic compound |
| 04/07/1998 | US5735972 Black chromate-treatment solution for Zn-Ni alloy plated film |
| 04/02/1998 | WO1998013535A1 Phosphating method for installations with rapidly moving strips |
| 04/02/1998 | WO1998013534A2 Method for phosphating a steel band |
| 04/02/1998 | DE19639596A1 Verfahren zur Phosphatierung von Stahlband A process for phosphating steel strip |
| 04/02/1998 | CA2266625A1 Method for phosphating a steel band |
| 04/01/1998 | CN1177987A Process of coating metal surfaces to produce a highly hydrophilic, higly corrosion resistant surface with bioresistance and low odor impact characteristics |
| 03/31/1998 | US5733386 Polymer composition and method for treating metal surfaces |
| 03/26/1998 | DE19735314A1 Simultaneously pretreating different metal surfaces |
| 03/26/1998 | DE19637415A1 Phosphating plant with solution cleaning circuit |
| 03/25/1998 | CN1177020A Lubricating steel plate with excellent chemical treatment properties |
| 03/24/1998 | US5731372 Blend of carboxylated polyolefin and solids |
| 03/24/1998 | US5730809 Chromic oxide |
| 03/19/1998 | WO1998011274A1 Pre-treatment of steel |
| 03/19/1998 | DE19637372A1 Activating agent based on titanium (IV) phosphate used for activating metal surfaces before phosphating contains lithium and/or silver ions |
| 03/18/1998 | EP0829556A1 Method of maintaining the corrosion resistance of a steel circulation system with a lead-containing coolant |
| 03/18/1998 | CN1037787C Process for producing metal far-infrared radiation material |
| 03/17/1998 | US5728236 Iron oxide with copper salt with acid, oxidation ferrous metal |
| 03/17/1998 | US5728235 Moderate temperature manganese phosphate conversion coating composition and process |
| 03/17/1998 | US5728234 Improved paint adhesion and corrosion resistance for aluminum cans, phosphates, water soluble phenolic resin substituted with amino groups |
| 03/17/1998 | US5728233 Surface treatment composition, surface treatment solution and surface treatment method for aluminum and its alloys |
| 03/17/1998 | US5728203 Aqueous protective and adhesion promoting composition |
| 03/11/1998 | EP0827785A2 Process for making protecting layers on flat shaped products made of titanium zinc |
| 03/11/1998 | EP0713540B1 Composition and process for treating metals |
| 03/10/1998 | US5725683 Manufacturing clear coated aluminum alloy lighting sheet |
| 03/05/1998 | WO1998009000A1 Ruthenium-containing zinc phosphate treatment |
| 03/05/1998 | WO1998008999A1 Process and aqueous solution for phosphatising metallic surfaces |
| 03/05/1998 | DE19634732A1 Rutheniumhaltige Zinkphosphatierung Ruthenium-zinc phosphating |
| 03/05/1998 | DE19634685A1 Wässrige Lösung und Verfahren zur Phosphatierung metallischer Oberflächen Aqueous solution and process for phosphating metal surfaces |
| 03/04/1998 | EP0826792A1 Bath and process for phosphating metal substrates, concentrates for preparing the bath and metal substrates treated according to the process |
| 03/04/1998 | EP0826745A2 Corrosion resistant aluminium pigments prepared by physical vapour deposition and process for their stabilization |
| 03/04/1998 | EP0793737A4 Zinc phosphate conversion coating composition and process |
| 03/04/1998 | CN1175344A Copper coating |
| 03/03/1998 | US5723183 Metal coloring process |
| 03/02/1998 | CA2214398A1 Bath and process for the phosphatization of metallic substrates, concentrates for the preparation of said bath and metallic substrates having been subjected to a treatment by saidbath and process |
| 02/28/1998 | CA2214275A1 Corrosion-stable aluminium pigments and process for the production thereof |
| 02/26/1998 | WO1998007897A1 Prevention of marine encrustation on bronze propellers |
| 02/26/1998 | WO1998007896A1 Use of halogenated-element acids for making coated metal pipes or coated reinforcing or prestressing steels |
| 02/26/1998 | DE19634222A1 Beschichtete Metallrohre, beschichteter Armierungsstahl oder Spannstahl Coated metal pipes, coated steel reinforcement or prestressing steel |
| 02/25/1998 | EP0825280A2 Process for treating metal with aqueous acidic composition that is substantially free from chromium (VI) |
| 02/25/1998 | EP0824565A1 Composition and process for treating metal |
| 02/25/1998 | EP0813620A4 Composition and process for forming an underpaint coating on metals |
| 02/25/1998 | EP0804633A4 Process and solution for providing a conversion coating on a metal surface |
| 02/25/1998 | CN1174491A Improved copper foil for printed circuit boards |
| 02/24/1998 | US5721056 Process for the production of corrosion-protected metallic materials and materials obtainable therewith |
| 02/24/1998 | US5721014 Composition and method for reducing copper oxide to metallic copper |
| 02/24/1998 | US5720902 Methods and compositions for inhibiting low carbon steel corrosion |
| 02/19/1998 | WO1998006512A1 Composition and process for treating metal surfaces |
| 02/18/1998 | CN1173306A Method for production of slide fastener or stringers thereof |
| 02/12/1998 | WO1998005804A1 Phenolic-formaldehyde resin coated metal surfaces and process thereof |
| 02/12/1998 | CA2261702A1 Phenolic-formaldehyde resin coated metal surfaces and process thereof |
| 02/11/1998 | EP0724653B1 A method for post-treatment of an article with a metallic surface as well as a treatment solution to be used in the method |
| 02/11/1998 | CN1172866A Anticorrosive method for cold exchange equipment |
| 02/03/1998 | US5714049 Sheet or strip post treated with buffered alkaline solution to form zinc oxide layer |
| 02/03/1998 | US5714047 Acid aqueous phosphatic solution and process using same for phosphating metal surfaces |
| 02/03/1998 | US5714016 Gear for wheel speed detection and method of manufacturing the same |
| 01/28/1998 | EP0708812A4 Aqueous lubricant and surface conditioner for formed metal surfaces |
| 01/28/1998 | CN1171824A Treatment of aluminium or aluminium alloys |
| 01/28/1998 | CN1171456A Surface-treating agent preventing electroplated zinc plate from being blackened and its method |
| 01/28/1998 | CN1171455A Antirusting agent for metallic surface and its application method |
| 01/28/1998 | CN1037199C Method for treating zinciferous surface |
| 01/27/1998 | US5711996 Aqueous coating compositions and coated metal surfaces |
| 01/21/1998 | CN1171131A Cleaning and conditioning method for formed metal surfaces |
| 01/14/1998 | EP0817872A1 Phosphating process with a metalliferous re-rinsing stage |
| 01/14/1998 | EP0817871A1 Corrosion protective cleaning agent for tin-plated steel |
| 01/14/1998 | EP0717787B1 Nickel-free phosphatization process |
| 01/13/1998 | US5707465 Low temperature corrosion resistant aluminum and aluminum coating composition |
| 01/13/1998 | US5706866 Pipe member for buried conduit with corrosion protection and process therefor |
| 01/08/1998 | WO1998000579A1 Process for producing lead-containing hot-galvanised and chromated steel sheet excellent in resistances to blackening and formation of white rust |