C23G 1 - Cleaning or pickling metallic material with solutions or molten salts

Patents for C23G 1 - Cleaning or pickling metallic material with solutions or molten salts (8,361)
11/2002
11/05/2002	US6475373 Method of controlling NOx gas emission by hydrogen peroxide
11/05/2002	US6475296 Degreasing composition and methods using same
11/05/2002	US6475289 Cleaning of internal passages of airfoils
10/2002
10/31/2002	WO2002086197A1 Method of plating and pretreating aluminium workpieces
10/31/2002	WO2002086045A1 Cleaning compositions
10/31/2002	US20020160206 Method for fabricating plated products
10/31/2002	US20020159946 Process and apparatus for the recovery of metal oxide particles
10/31/2002	DE10112075C1 Verfahren und Vorrichtung zur Rückgewinnung von Metallen, auch in Kombination mit anodischen Koppelprozessen Method and apparatus for recovery of metals, in combination with anodic coupling processes
10/31/2002	CA2440756A1 Method of plating and pretreating aluminium workpieces
10/30/2002	EP1253112A1 Process and apparatus for recovering metal oxides
10/30/2002	EP1252369A1 Pickling agent containing urea and method of producing it
10/29/2002	CA2064506C Surface treatment device and process for a metal product layed in a reactive solution, particularly for the chemical cleaning or the galvanization of hot rolled metal sheets
10/28/2002	WO2001086024A2 Method and device for pickling hot-rolled special steel strips
10/28/2002	CA2406647A1 Method and device for pickling hot-rolled special steel strips
10/25/2002	CA2380136A1 Process and device for recovery of metal oxides
10/24/2002	US20020153308 Biological cleaning system
10/24/2002	DE10160107A1 Reinigung eines inneren Kanals einer Gasturbinenschaufel Cleaning an interior channel of a gas turbine blade or vane
10/23/2002	EP1250712A2 Process and apparatus for cleaning silicon wafers
10/23/2002	EP0983332A4 Composition for cleaning hard surfaces
10/23/2002	CN1376193A Use of polyoxypropylene/polyoxyethylene compounds as degreasing agents for hard surfaces
10/23/2002	CN1093021C Metal fibre agglomerate and process for mfg. same
10/22/2002	US6468357 Remover for a ruthenium containing metal and use thereof
10/17/2002	WO2002081779A2 Regeneration by liquid-liquid extraction of acids from aqueous solution containing metals
10/17/2002	WO2002081778A1 Pickle liquor acid analyzer
10/17/2002	WO2002081777A1 Hydrogen peroxide pickling scheme for stainless steel grades
10/17/2002	WO2002081776A1 Hydrogen peroxide pickling of silicon-containing electrical steel grades
10/17/2002	WO2002081775A2 On-line removal of copper deposits on steam turbine blades
10/17/2002	WO2002081609A2 Removing adherent organic material
10/17/2002	WO2002081380A1 Apparatus and method for removing hydrogen peroxide from spent pickle liquor
10/17/2002	US20020148484 Aqueous spray descaling/conditioning of stainless steel; corrosion/oxidation resistance
10/17/2002	CA2443763A1 Pickle liquor acid analyzer
10/15/2002	US6465404 Aqueous cleaning composition with controlled PH
10/15/2002	US6465403 Silicate-containing alkaline compositions for cleaning microelectronic substrates
10/10/2002	WO2002079544A1 Method of controlling solution concentration in strip cleaning line
10/10/2002	US20020146348 Universal pickle liquor acid analyzer
10/10/2002	DE10115161A1 Reiniger für Magnesium, Aluminium und deren Legierungen Cleaner for magnesium, aluminum and alloys thereof
10/09/2002	EP1147067A4 Aqueous cleaning
10/09/2002	CN1373243A Process for treating waste pickling liquid of hydrochloric acid by negative-pressure external-circulation evaporation-concentrating crystallization method
10/08/2002	US6460549 Method and apparatus for degreasing a metal part
10/03/2002	WO2000026440A3 Circular method for pickling copper and copper alloys
10/03/2002	US20020142474 Generating test library; obtain substrate, expose to test impurities, monitor activity of test compound on substrate
10/03/2002	US20020139397 Aluminum strip is contacted with acid solution while passing through acid cleaning bath and concentration of acid in bath is adjusted by adding either concentrated acid or water to bath
10/02/2002	EP1245665A1 Cleaning Composition for Magnesium, Aluminium and their Alloys
10/02/2002	EP1244825A1 Regenerating spent pickling liquor
10/02/2002	CN1372497A Method for cleaning oxidized hot rolled copper rods
10/01/2002	US6458320 Galvanized metal corrosion inhibitor
09/2002
09/26/2002	WO2002038819A3 Process for regeneration of spent acid halide leach solutions
09/26/2002	US20020134400 Method for cleaning oxidized hot rolled copper rods
09/25/2002	EP1242652A1 Alkaline composition, apparatus and method for conditioning scale on a metal surface by spraying
09/25/2002	EP1242651A2 Brightening/passivating metal surfaces without hazard from emissions of oxides of nitrogen
09/25/2002	CN1091518C Corrosion monitoring process
09/24/2002	US6454870 From a nickel superalloy article that has been operated in a gas turbine engine; alkaline hydroxide degreasing/rust removal solution; scale conditioning in an alkaline permanganate; hydrochloric acid stripping solution with etch inhibitor
09/19/2002	WO2002072921A2 Method and device for recovering metals with pulsating cathode currents also combined with anode coupling processes
09/19/2002	WO2002072287A1 Forced mist cleaning of combustion turbines
09/19/2002	WO2002057031A3 Biological cleaning system
09/19/2002	US20020132745 Non-corrosive cleaning composition for removing plasma etching residues
09/19/2002	US20020130666 Method and apparatus for measurement and automatic control of acid concentration
09/19/2002	US20020129837 Preparing aqueous cleaning solution for removing contaminants produced during combustion and deposited on internal surfaces of combustion and turbine sections without harming internal surfaces; driving mist through combustion and turbine
09/19/2002	CA2439061A1 Method and device for recovering metals with pulsating cathode currents also combined with anode coupling processes
09/18/2002	CN1369574A Process and equipment for extracting useful substances from use acid
09/17/2002	US6451280 Process for regeneration of acids from spent acids
09/17/2002	US6450183 Descaling using aqueous solution of sodium, potassium hydroxide and additive; controlling temperature
09/12/2002	US20020124687 Formed at a voltage of < 60 volts
09/11/2002	EP1239060A1 Method and system for treating stator cooling water to prevent clogging of strainer in the cooling system of an industrial electrical generator
09/11/2002	EP0882110B1 Method for fluidizing tars
09/11/2002	CN1368563A Composition for removing aluminium surface stain
09/11/2002	CN1090686C Copper and copper alloy micro-etching agent
09/10/2002	US6448211 Comprising a salt of gluconic acid and a polyquaternium cationic polymer
09/05/2002	DE10107936A1 Working up process liquids in a hot galvanizing installation comprises feeding the diluate from an electrodialysis unit through a re-conditioning device to remove zinc, feeding the regenerate back to the electrodialysis unit
09/04/2002	EP1097255B1 Process of pre-treating a metallic workpiece before painting
09/04/2002	EP1036144A4 Composition and process for cleaning and deoxidizing aluminum
09/03/2002	US6444583 Substrate-cleaning method and substrate-cleaning solution
09/03/2002	US6444276 Method for decontaminating a surface of a component
08/2002
08/29/2002	WO2002066385A1 Remover for scale deposited on titanium material
08/29/2002	US20020117452 Method and system for treating stator cooling water to prevent clogging of strainer in the cooling system of an industrial electrical generator
08/28/2002	CN1089728C Process for treatment of sodium hydroxide waste liquor containing aluminium
08/27/2002	US6440768 Thermoelectric semiconductor material and method of manufacturing the same
08/27/2002	US6440326 Photoresist removing composition
08/22/2002	WO2002065538A2 Post chemical-mechanical planarization (cmp) cleaning composition
08/22/2002	US20020115221 High throughput screening method, array assembly and system
08/22/2002	US20020113095 Method and apparatus for gradient generation
08/21/2002	EP0958405B1 Metal surface treatment solutions and process
08/21/2002	CN1089378C Composition for cleaning silver or copper
08/20/2002	US6435198 System for cooling and washing a part formed in a metal forming machine
08/15/2002	US20020108868 External counter electrode
08/15/2002	US20020108633 Organic cleanup step, for preferably gold and nickel, removes nonionic residues and prepares the surface for the second cleaning step involving acidic reagents for chemical dissolution of oxides etc.; flip chip ball grid arrays
08/14/2002	EP1231296A2 Composition and process for etching and desmutting aluminum and its alloys
08/14/2002	EP1230334A1 Non-corrosive cleaning composition for removing plasma etching residues
08/13/2002	US6432899 Aqueous cleaning solutions
08/13/2002	US6432220 Treatment of degreasing and applying polypeptide protective coating on metals for corrosion resistance
08/13/2002	US6432219 Titanium aluminum nitride layer with phosphate solution and peroxide for separation of steels
08/13/2002	US6431190 Fluid processing apparatus
08/08/2002	US20020107158 Placing the etcher equipment parts in an aqueous bath, containing an acedic buffer, a polar water miscible solvent and a fluoride to remove the residue; free of hydroxyl amine
08/08/2002	US20020104550 Treating exposed metallized (metal X) surfaces, with an alkaline, water-based solution of a first constituent comprised of the metal X and a second constituent that reacts with the first to form anticorrosive film and remove residues
08/08/2002	US20020104349 Use of N-alkyl-beta-alanine derivatives to prepare cleaning corrosion inhibitors
08/07/2002	EP1228512A1 Decontaminating organic gel and use thereof for decontaminating surfaces
08/06/2002	US6428625 Process for pickling a metal using hydrogen peroxide
08/01/2002	WO2002046497A3 Method for dissolving solids formed in a nuclear installation
08/01/2002	US20020103093 Method and composition for cleaning a turbine engine component
08/01/2002	US20020100493 Method for removing oxides and coatings from a substrate

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