| 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) |
|---|
| 09/10/1999 | WO1999045171A1 Method for controlling the coating weight for strip-phosphating |
| 09/10/1999 | WO1999045076A1 Process of surface treatment for faces that become contaminated in a paper or board machine |
| 09/09/1999 | DE19808755A1 Schichtgewichtsteuerung bei Bandphosphatierung Coating weight control in phosphating of strip |
| 09/09/1999 | DE19808440A1 Wässrige Lösung und Verfahren zur Phosphatierung metallischer Oberflächen Aqueous solution and process for phosphating metal surfaces |
| 09/08/1999 | EP0757725B1 Composition and process for treating the surface of aluminiferous metals |
| 09/08/1999 | CN1227860A Inorganic/organic insulating coating for nonoriented electrical steel |
| 09/07/1999 | US5948178 Composition and process for forming a solid adherent protective coating on metal surfaces |
| 09/02/1999 | WO1999043868A1 Aqueous solution and method for phosphatizing metallic surfaces |
| 09/02/1999 | CA2325012A1 Aqueous solution and method for phosphatizing metallic surfaces |
| 09/01/1999 | EP0938447A1 Composition and method for reducing copper oxide to metallic copper |
| 08/31/1999 | US5945212 Film for weldability, adhesion, lubricants and stress relief annealing members of aluminum phosphate, calcium phosphate, and zinc phosphate |
| 08/26/1999 | WO1999042639A1 Anticorrosive coating material and method of rust prevention |
| 08/25/1999 | EP0937757A1 Composition and method for hydrophilic treatment of aluminium or aluminium alloy, and use of the composition |
| 08/24/1999 | US5942052 Surface treatment aqueous solution for metal |
| 08/20/1999 | WO1999042402A1 Composition and method for reducing copper oxide to metallic copper |
| 08/19/1999 | WO1999030841A3 Rubber-metal composite |
| 08/18/1999 | EP0936285A1 Process and apparatus for selective treatment of a surface portion of a metallic object |
| 08/18/1999 | EP0755462B1 Corrosion inhibition and improvement of adhesion characteristics of reinforcing metals |
| 08/18/1999 | EP0725844B1 A process for activating a metal surface for conversion coating |
| 08/18/1999 | CN1225950A Production method pf normal-temp. phosphorization powder to produce high alkali-resistance film |
| 08/18/1999 | CN1044716C Aqueous lubricant and surface conditioner for formed metal surface |
| 08/17/1999 | US5938861 Method for forming a rust proof film |
| 08/17/1999 | CA2054166C Process for producing brown covering layers on copper |
| 08/12/1999 | WO1999040765A1 Process for the preliminary treatment of copper surfaces |
| 08/12/1999 | WO1999040764A1 Process and solution for the preliminary treatment of copper surfaces |
| 08/12/1999 | WO1999029927A3 Chromium-free corrosion protection agent and method for providing corrosion protection |
| 08/12/1999 | CA2318862A1 Process to pretreat copper surfaces |
| 08/12/1999 | CA2318784A1 Solution and process to pretreat copper surfaces |
| 08/11/1999 | EP0755419B1 Polymer composition and method for treating metal surfaces |
| 08/11/1999 | EP0675972B1 Substantially nickel-free phosphate conversion coating composition and process |
| 08/11/1999 | CN1225396A Non-oriented electrical steel sheet having good punchability and process for producing same |
| 08/10/1999 | US5935348 Composition and process for preventing corrosion and reducing friction on metallic surfaces |
| 08/05/1999 | WO1999039024A1 Process for the manufacture of blackened surgical needles |
| 08/05/1999 | DE19830038A1 Lösung und Verfahren zum Vorbehandeln von Kupferoberflächen Solution and method for pretreating copper surfaces |
| 08/05/1999 | DE19830037A1 Verfahren zum Vorbehandeln von Kupferoberflächen A method of pretreating copper surfaces |
| 08/05/1999 | DE19804846A1 Verfahren zum Herstellen von geschwärzten chirurgischen Nadeln A process for the manufacture of blackened surgical needles |
| 08/04/1999 | EP0933446A1 Phosphate bonded aluminum coating compositions, coatings and coated products |
| 08/04/1999 | EP0933409A1 Metal surface treatment composition containing acrylic resin having nitrogenous heterocycles, method for treatment, and treated metal materials |
| 08/04/1999 | EP0933408A1 Metal surface treatment composition containing acrylic resin, method for treatment, and treated metal materials |
| 08/04/1999 | EP0932453A1 Chromium-free conversion coating and methods of use |
| 08/03/1999 | US5932292 Zinc phosphate conversion coating composition and process |
| 08/03/1999 | US5931993 Composition for forming a black, adherent coating on a metal substrate |
| 07/29/1999 | WO1999037829A1 Group iv-a protective films for solid surfaces |
| 07/29/1999 | WO1999037722A1 Aqueous metal treatment composition |
| 07/29/1999 | CA2319406A1 Group iv-a protective films for solid surfaces |
| 07/28/1999 | EP0931179A2 Method for phosphating a steel band |
| 07/28/1999 | EP0782609A4 Aqueous lubricant and surface conditioner for formed metal surfaces |
| 07/28/1999 | EP0774016B1 No-rinse phosphatising process |
| 07/28/1999 | CN1224327A Adhesion enhancement for metal foil |
| 07/22/1999 | WO1999036192A1 Process for improving the corrosion resistance of a metal surface |
| 07/22/1999 | CA2318442A1 Process for improving the corrosion resistance of a metal surface |
| 07/21/1999 | EP0930379A1 Method of chemical conversion coating for low-lead electrodeposition coating |
| 07/20/1999 | US5925174 Composition and process for treating the surface of copper-containing metals |
| 07/15/1999 | WO1999035307A1 Composition and process for treating a metal surface |
| 07/14/1999 | CN1222585A Metal surface treating method |
| 07/07/1999 | EP0596099B1 Multiplex aluminide-silicide coating |
| 07/06/1999 | US5920455 One step ultrasonically coated substrate for use in a capacitor |
| 07/06/1999 | US5919519 Acid treatment of copper alloy to prevent leaching of lead |
| 07/06/1999 | US5919318 Nitrobenzenesulfonic acid |
| 07/01/1999 | WO1999032687A1 Phosphatization of a single-face galvanized steel strip |
| 07/01/1999 | DE19851711A1 Aluminum part, e.g. a piston, is surface treated to form a sliding film |
| 07/01/1999 | CA2315778A1 Phosphatization of a single-face galvanized steel strip |
| 06/30/1999 | EP0926249A1 Inorganic/organic insulating coating for non-oriented electrical steel |
| 06/30/1999 | EP0925385A1 Pre-treatment of steel |
| 06/30/1999 | CN1221044A Metal surface finishing agent |
| 06/30/1999 | CN1221043A Mesotherm phosphide liquid for zinc-manganese-nickel ternary system |
| 06/24/1999 | WO1999031294A1 Conductive anti-corrosive agent containing chrome and anti-corrosive method |
| 06/24/1999 | WO1999030841A2 Rubber-metal composite |
| 06/24/1999 | DE19756735A1 Phosphating one-side galvanized steel strip on the galvanized side only |
| 06/24/1999 | CA2299195A1 Rubber-metal composite |
| 06/23/1999 | CN1220382A Absorption chiller-heater and method for forming initial anticorrosive film therefor |
| 06/17/1999 | WO1999029927A2 Chromium-free corrosion protection agent and method for providing corrosion protection |
| 06/17/1999 | WO1999029629A1 Treatment of phosphating waste water |
| 06/17/1999 | DE19755421A1 Gummi-Metall-Verbund Rubber-metal composite |
| 06/17/1999 | DE19755349A1 Chromhaltiges leitfähiges Korrosionsschutzmittel und Korrosionsschutzverfahren Chromium-containing conductive corrosion protection and corrosion protection methods |
| 06/17/1999 | CA2312807A1 Chromium-free corrosion protection agent and method for providing corrosion protection |
| 06/16/1999 | EP0922785A2 Treating solution and treating method for forming protective coating films on metals |
| 06/16/1999 | EP0922123A1 Process and aqueous solution for phosphatising metallic surfaces |
| 06/16/1999 | EP0866888B1 Method of phosphating metal surfaces |
| 06/16/1999 | CN1219982A Zinc phosphating process with integrated subsequent passivation |
| 06/16/1999 | CN1219606A Surface treatment method, sliding member and piston |
| 06/15/1999 | US5911809 Cobalt-tin alloy coating on aluminum by chemical conversion |
| 06/10/1999 | WO1999028536A1 Method of reducing elution of lead in lead-containing copper alloy, and city water service fittings made of lead-containing copper alloy |
| 06/10/1999 | DE19851747A1 Copper material, e.g. a roofing plate, has an artificial patina |
| 06/10/1999 | DE19754109A1 Abwasseraufbereitung bei der Phosphatierung Wastewater treatment in the phosphating |
| 06/10/1999 | DE19754108A1 Chromfreies Korrosionsschutzmittel und Korrosionsschutzverfahren Chromium-free corrosion protection and corrosion protection methods |
| 06/09/1999 | EP0829556A4 Method of maintaining the corrosion resistance of a steel circulation system with a lead-containing coolant |
| 06/09/1999 | EP0817871B1 Corrosion protective cleaning agent for tin-plated steel |
| 06/03/1999 | WO1999027161A1 Method of metallic and metalliferous surface protection |
| 06/03/1999 | WO1999027160A1 An aqueous amine fluoride neutralizing composition for metal pretreatments containing organic resin and method for metal pretreatment |
| 06/02/1999 | EP0919877A1 Electrophotographic photosensitive member, process for producing electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus |
| 06/01/1999 | US5908892 N, N-alkyl polyacrylamide metal treatment |
| 06/01/1999 | US5908512 Highly durable surface-conditioning agent |
| 06/01/1999 | US5908511 Using mixture of sulfuric acid, iron compound, hydrogen fluoride and hydrogen peroxide |
| 05/27/1999 | WO1999025897A1 Polymerisable, chromium-free, organic coil coating media |
| 05/26/1999 | EP0917497A1 Composition and process for treating metal surfaces |
| 05/26/1999 | CN1217391A Etching device, etching method and circuit board made using said method |
| 05/20/1999 | WO1999024639A1 Method for covering electric steel strips with an annealing separator |
| 05/20/1999 | WO1999024638A1 Corrosion protection for galvanised and alloy galvanised steel strips |
| 05/20/1999 | DE19751153A1 Chromium-free coil coating composition |