Patents for C23G 1 - Cleaning or pickling metallic material with solutions or molten salts (8,361) |
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12/20/2000 | EP0970172A4 Composition and method for cleaning/degreasing metal surfaces, especially composites of copper and aluminum |
12/19/2000 | US6162301 Scrubbing using an acidic cleaning solution |
12/12/2000 | US6158957 Thermal barrier removal process |
12/07/2000 | WO2000072684A2 A composition and method for cleaning surfaces |
12/06/2000 | EP1057240A1 Method for purifying the cooling circuit of an alternator stator operating in ventilated circuit, and implementing device |
12/05/2000 | US6156661 Post clean treatment |
12/05/2000 | US6156440 Stainless steel is treated by cleaning, forming a colored oxide film on the surface of the cleaned stainless steel by heating in an oxidizing atmosphere, removing a portion of colored oxide film to expose passivating oxide film |
12/05/2000 | US6156129 Liquid metal cleaner for aqueous system |
11/30/2000 | DE19924589A1 Hard material layers stripping from hard metal substrates, e.g. tool and machine component scrap, involves using a solution of an oxidizing mineral acid and a hydrogen halide compound |
11/28/2000 | US6153015 Process for removing soap-contaminated conversion layers on metal workpieces |
11/28/2000 | CA2200615C Stainless steel alkali treatment |
11/23/2000 | WO2000070125A1 Metal cleaning process |
11/23/2000 | WO2000070123A1 Process for the surface treatment of magnesium alloys |
11/23/2000 | WO2000069588A1 High capacitance niobium powders and electrolytic capacitor anodes |
11/23/2000 | WO2000069577A1 Methods for cleaning microelectronic substrates using ultradilute cleaning liquids |
11/23/2000 | CA2372921A1 High capacitance niobium powders and electrolytic capacitor anodes |
11/21/2000 | US6149744 Method of making austenitic stainless steel sheet |
11/14/2000 | US6146692 Caustic process for replacing a thermal barrier coating |
11/09/2000 | WO2000036184A3 Apparatus and process to clean and strip coatings from hardware |
11/08/2000 | EP1050605A2 Process for pickling stainless steel in the absence of nitric acid and in the presence of chloride ions |
11/07/2000 | US6143706 For cleaning substrates such as semiconductors; prevents substrate surface from being contaminated with metal impurities from the surface treatment composition and stably provides clean substrate surface |
11/02/2000 | EP1049141A1 Novel detergent and cleaning method using it |
11/01/2000 | CN1057983C Drum descaling method of waste water centrifugal extraction and reverse extraction unit |
10/31/2000 | US6140291 Contacting metal surface with an organic solvent-free aqueous cleaning solution containing an alkaline salt and a surfactant, the solution containing less than 3 weight% phosphate, and removing the impurities from the surface |
10/31/2000 | US6140287 Cleaning compositions for removing etching residue and method of using |
10/31/2000 | CA2190183C Aluminum desmut composition and process |
10/25/2000 | EP1045936A1 Aqueous compositions comprising complexing agents and uses therof |
10/25/2000 | EP0979208A4 Composition and method for reducing copper oxide to metallic copper |
10/25/2000 | CN1057801C Pickled steel product subsequent treatment process and device, in particular for pickled carbon steel hot strips |
10/24/2000 | US6136766 For cleaning industrial parts consisting of a cyclic polyorganosiloxane and a hydrophilic solvent |
10/24/2000 | CA2182674C Acidic cleaning compositions |
10/18/2000 | EP1044465A1 Wet processing methods for the manufacture of electronic components |
10/17/2000 | US6132621 Method of selectively removing zinc from acid effluents |
10/17/2000 | US6132520 Removal of thermal barrier coatings |
10/12/2000 | WO2000060034A1 Process for cleaning a metal container providing enhanced mobility |
10/11/2000 | EP1043422A1 Method of controlling NOx gas emission by hydrogen peroxide |
10/05/2000 | WO2000058228A1 Rust and scale removal composition and process |
10/05/2000 | DE19908434A1 Verfahren und Reinigungsflüssigkeit zum Flüssigreinigen von Gegenständen Procedures and cleaning liquid for liquid cleaning of objects |
10/04/2000 | EP1040211A1 Method for pickling and passivating special steel |
10/03/2000 | US6126997 Method for treating magnesium die castings |
10/03/2000 | US6126755 Stabilizing hydrogen peroxide decomposition which is used for removal of metal oxide from the metal surface by employing a combination of a hydroxybenzoic acid, a hydrotropic aryl sulfonic acid, and a hydrophobic alkylaryl sulfonic acid |
10/03/2000 | CA2041892C Formation of conversion coatings on surfaces of zinc or zinc alloys |
09/28/2000 | DE10006990A1 Acid is recovered from metal-containing solutions, e.g. spent pickling solutions, using jet scrubbers for dust and acid vapor removal from pyrolytic decomposition reactor off-gas |
09/27/2000 | EP1038991A1 Process recovering acids from metalliferous solutions of these acids |
09/27/2000 | CN1268244A Wet processing methods for the manufacture of electronic components |
09/27/2000 | CN1267749A Lead-tin anode scavenger for chromium plating process |
09/27/2000 | CN1267747A Process for recovering acid from acid metal solution |
09/26/2000 | US6124253 Mixture comprising alkali metal carbonate and/or bicarbonate, nonionic surfactant mixture of ethylene oxide fatty alcohol adducts and n-(n-alkyl)-2-pyrrolidone; degreaser, antisoilant |
09/20/2000 | EP1036219A1 Method for pickling steel products |
09/20/2000 | EP1036217A2 Process and apparatus for steel band spray pickling |
09/20/2000 | EP1036144A1 Composition and process for cleaning and deoxidizing aluminum |
09/20/2000 | CN1266819A Flocculant of polyiron chloride prepared from waste hydrochloric acid as pickling liquid of iron and steel and its preparing process |
09/20/2000 | CN1056651C Method for treatment of cold-rolled stainless steel strip or sheet |
09/19/2000 | US6121217 Removal of process residue from substrate of titanium (metal, alloy, or compound) with aqueous solution of alkanolamine, gallic acid or catechol chelating agent, hydroxylamine |
09/19/2000 | US6121058 Method for removing accumulated solder from probe card probing features |
09/14/2000 | WO2000053824A1 Method for eliminating copper from microelectronic components |
09/08/2000 | WO2000018986A9 Processes and apparatus for recovery and removal tin, lead and/or copper from solutions |
08/31/2000 | WO2000051135A1 Treatment of radioactively contaminated metals |
08/31/2000 | WO2000050666A1 Method for treating magnesium-based metal formed article and treating solution therefor |
08/31/2000 | WO2000050555A1 Method and cleaning fluid for the wet cleaning of objects |
08/29/2000 | US6110881 That remove etching residue from substrates; nucleophilic amine compound of given formula having oxidation and reduction potentials, alkanolamine(s), water, and stabilizing chelating agent that prevents resettling of residue |
08/23/2000 | EP1029117A1 Method for separating layers from articles |
08/17/2000 | WO2000047518A1 Method for neutralising and/or regenerating acid baths and plant that carries out this method |
08/16/2000 | EP1028088A1 Method for neutralising and/or regenerating acid baths and plant that carries out this method |
08/16/2000 | CN1263202A Sandstone acid |
08/10/2000 | WO2000046423A1 Cleaner composition and method of use thereof |
08/10/2000 | CA2361606A1 Cleaner composition and method of use thereof |
08/09/2000 | EP1025582A1 Methods and apparatus for cleaning semiconductor substrates after polishing of copper film |
08/09/2000 | EP0909344B1 Steel pickling process in which the oxidation of the ferrous ion formed is carried out electrolytically |
08/08/2000 | US6099655 Wet chemical process for removing an abrasive alumina seal tooth coating |
08/02/2000 | EP1023137A1 Improving fillet forming of brazeable aluminum articles |
08/02/2000 | CN1261630A Acid washing process for stainless steel |
08/01/2000 | US6096137 Calculating concentrations of acid and iron and descaling velocity of steel strip at different positions |
07/27/2000 | WO2000043321A1 Preparation for dissolving scales, oxide layers and rust |
07/27/2000 | DE19901401A1 Verfahren und Vorrichtung zum Beizen und Reinigen von gewalztem Stahlband Method and device for pickling and cleaning of rolled steel strip |
07/26/2000 | EP1022357A1 Surface treatment process for stainless steels |
07/26/2000 | EP1022349A1 Method for removing metals from a citric acid cleaning solution |
07/20/2000 | WO2000042240A1 Method and device for scouring and cleaning rolled steel strip |
07/20/2000 | CA2359833A1 Method and device for scouring and cleaning rolled steel strip |
07/19/2000 | EP1020235A1 Device and method for the maintenance of treatment baths in cleaning installations |
07/18/2000 | US6090765 Composition for cleaning hard surfaces |
07/18/2000 | US6090360 Washing the particulate silicon with a solvent having a boiling point lower than the sublimation temperature of metal salt to remove the higher boiling silicon compounds and any residue of monosilanes, spary drying to remove solvent |
07/13/2000 | WO2000040777A1 Surface-treating agent for magnesium-based part and method of surface treatment |
07/13/2000 | WO2000040518A1 Hf etching and oxide scale removal |
07/13/2000 | WO2000018986A8 Processes and apparatus for recovery and removal tin, lead and/or copper from solutions |
07/11/2000 | CA2189345C Method of removing chloride ion or a compound thereof from a surface contaminated therewith |
07/04/2000 | US6083896 Aqueous cleaning solution and method for cleaning aluminum-based metals |
06/28/2000 | EP1013800A2 Process for pickling stainless steel |
06/28/2000 | EP1013798A2 Thermal barrier coating removal process |
06/28/2000 | EP1013797A1 Method of removing hot corrosion products from a diffusion aluminide coating |
06/22/2000 | WO2000036184A2 Apparatus and process to clean and strip coatings from hardware |
06/21/2000 | EP1010776A1 Caustic process for replacing thermal barrier coatings |
06/15/2000 | WO2000034551A1 Cleaning solutions containing citric acid and uses thereof |
06/14/2000 | EP1008676A2 Accelerated steel strip pickling process and device for carrying out the process |
06/14/2000 | CN1256325A Oil pipe stain eliminating technology |
06/13/2000 | US6074752 Metal fibre agglomerate and process for manufacturing the same |
06/08/2000 | WO2000033061A1 Device and method to control steel pickling processes |
06/08/2000 | WO2000023201A9 Superalloy component with abrasive grit-free coating |
06/08/2000 | CA2353387A1 Device and method to control steel pickling processes |
06/02/2000 | WO2000031218A1 Method for machining and cleaning metal |