| Patents for C23G 1 - Cleaning or pickling metallic material with solutions or molten salts (8,361) | 
|---|
| 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 |