Patents for C23G 1 - Cleaning or pickling metallic material with solutions or molten salts (8,361)
12/1996
12/24/1996US5587142 Synergistic effect
12/18/1996EP0748396A1 Electrolysis process for regenerating a ferric chloride or sulphate solution, in particular for spray etching steel
12/18/1996CN1138108A Rust-removing additives
12/17/1996US5585034 Gelled near tricritical point compositions
12/17/1996US5584943 Reducing friction; low temperature drying
12/11/1996CN1137687A Semiconductor chip surface treatment liquor and treatment method and device using the same
12/10/1996CA2082211C Degreasing solution and degreasing method
12/05/1996WO1996038238A1 Acidic cleaning composition and process for aluminiferous metals
11/1996
11/28/1996WO1996037311A1 Continuous flat-rolled steel strip cleansing and finishing operations
11/28/1996DE19521596C1 Recovery of zinc@ from copper@-contg sulphuric or phosphoric acid pickling solutions
11/27/1996EP0744233A2 Removal of ceramic shell mold material from castings
11/20/1996EP0743357A1 Alkaline degreasing solution and degreasing method employing the same
11/20/1996EP0742736A1 Device for separating oil-in-water emulsions by electrocoagulation
11/20/1996CN1033334C Corrosion-inhibiting fog-depressant for iron and steel and its processing method
11/19/1996US5575863 Process for the chemical cleaning of metal components
11/19/1996US5575858 Effective cleaning method for turbine airfoils
11/19/1996US5575857 Aqueous alkaline metal descaling concentrate and method of use
11/14/1996WO1996035645A1 Corrosion products removal methods and compositions for use therein
11/13/1996EP0742282A1 Cleaning agent and method
11/12/1996US5574002 Cleaning agent composition
11/05/1996US5571336 Using sulfuric acid solution in water with calcium oxide or calcium sulfate to form calcium sulfate, filtration and adding alkali hydroxide
10/1996
10/31/1996DE19514474A1 Sepn. of oils/fats from metal surface treatment cleaning baths
10/30/1996EP0739955A1 Method for removing contaminating coatings from surfaces
10/26/1996CA2174410A1 Process for removing contaminating coatings from metal surfaces
10/22/1996US5567354 Inhibitor of the corrosion of a metal material such as steel
10/16/1996EP0737257A1 A method for desmutting aluminum alloys having a highly reflective surface
10/15/1996US5565039 Method for dissolution of soft metals from a substrate of a harder metal
10/09/1996EP0630427B1 Composition and process for cleaning tinplate stock
10/09/1996EP0627021B1 Process for metallizing non-conducting surfaces, and the use of hydroxymethyl sulphinic acid in that process
10/08/1996US5562828 Method and apparatus for recovering acid and metal salts from pricklining liquors
10/03/1996WO1996030558A1 Corrosion protective cleaning agent for tin-plated steel
10/03/1996WO1996030488A1 Aluminum desmut composition and process
10/03/1996CA2216462A1 Corrosion protective cleaning agent for tin-plated steel
10/02/1996EP0735548A1 Treatment for magnets for optically detecting the easy direction of magnetisation
10/02/1996DE19511236A1 Silicon wafer cleaning soln. to remove metallic impurities
10/02/1996CN1032928C 固体除锈剂 Solid Rust
09/1996
09/26/1996WO1996029451A1 Cleaning compositions
09/26/1996DE19510825A1 Korrosionsschützender Reiniger für verzinnten Stahl Corrosion Protective cleaner for tin-plated steel
09/25/1996EP0733091A1 Wheel cleaning composition containing acid fluoride salts
09/17/1996US5556833 Wheel cleaning composition containing acid fluoride salts
09/12/1996WO1996027556A1 Purification of metal containing solutions
09/12/1996WO1996027554A1 Process for extracting or recovering acids
09/11/1996EP0731498A2 Surface processing method and surface processing device for silicone substrates
09/11/1996CN1130926A Process and apparatus for regeneration of volatile acids
09/10/1996US5554235 Method of and process for cold-rolling of stainless-steel and titanium-alloy strip
09/06/1996WO1996026796A1 Noncaustic cleaning composition comprising peroxygen compound and specific silicate and methods of making and using same
09/06/1996CA2213743A1 A noncaustic composition for removing foreign deposits
09/04/1996EP0628092B1 Process and composition for desmutting surfaces of aluminum and its alloys
09/03/1996US5551989 Method of cleaning using a foamed liquid
08/1996
08/29/1996DE19506832A1 Recirculatory electrolytic process for recovery of copper@ from copper@ alloys
08/27/1996US5549831 Method for processing chemical cleaning solvent waste
08/27/1996US5549761 Method for removing rosin soldering flux from a printed wiring board
08/22/1996WO1996025476A1 Liquid alkaline degreaser for aluminum and aluminum alloys
08/22/1996DE19602303A1 Steel pickling using pickling acid concn. and compsn. control
08/21/1996EP0727389A2 Method of recovering particulate silicon from a by-product stream
08/21/1996EP0719350A4 Metal treatment with acidic, rare earth ion containing cleaning solution
08/21/1996EP0698072A4 Process for metal cleaning
08/20/1996US5547926 Mercaptan compound as reducing agents and reduction catalyst
08/20/1996US5547579 Process and apparatus for purification of contaminated acids
08/20/1996US5547518 Enhanced method for cleaning foil
08/15/1996WO1996017667A3 Device for separating oil-in-water emulsions by electrocoagulation
08/14/1996EP0725844A1 A process for activating a metal surface for conversion coating
08/14/1996EP0725698A1 Acid assisted cold welding and intermetallic formation and dental applications thereof
08/14/1996DE19504569A1 Easy to pump, non irritating aq. alkaline borate cleaning agent concentrates
08/14/1996CN1129018A Composition and process for desmutting and deoxidizing without smutting
08/13/1996US5545347 Alkali metal hydroxide, gluconic acid, a ethylene oxide fatty alcohol adduct, aluminum sequestrant, an oil emulsifier, a defoamer and a hydrptrope
08/07/1996EP0724655A1 Purification method
08/07/1996EP0724621A1 Detergent mixtures
08/07/1996CN1128548A Pickled steel product subsequent treatment process and device, in particular for pickled carbon steel hot strips
08/07/1996CN1128302A Acid-pickling cleaning method for hydraulic ash conveyer pipe
08/06/1996US5542983 Process for cleaning metal surfaces with physical emulsion of terpene and water
07/1996
07/25/1996WO1996022153A1 Process and apparatus for purification of contaminated acids
07/25/1996DE19501943A1 Pickling metals using sulphuric acid-containing solutions
07/25/1996CA2210999A1 Process and apparatus for purification of contaminated acids
07/24/1996EP0723038A1 Process and apparatus for regenerating a used etching solution for zirconium alloys
07/24/1996EP0723024A1 Process and a continuous process line for producing cold-rolled steel strip
07/23/1996US5538600 Cleaning body, electrobrightening, and desmutting in bath comprising nitric acid, acetic acid, water and a source of flouride
07/23/1996US5538561 Method for cleaning aluminum at low temperatures
07/23/1996US5538177 Apply nondeliquescent flux of florine compounds, subjecting parts to high temperature in inert atmosphere
07/23/1996US5538152 Stabilizing composition for inorganic peroxide solutions
07/18/1996WO1996021942A1 Method of cleaning substrates
07/17/1996EP0722001A1 A method of selectively removing zinc from acid effluents
07/17/1996CN1032317C Chemical stripping method for stainless steel oxide layers
07/09/1996US5534177 Compositions useful for removing products of metal corrosion
07/03/1996EP0719350A1 Metal treatment with acidic, rare earth ion containing cleaning solution
07/03/1996EP0719176A1 Electrodialytic conversion of complexes and salts of metal cations
07/02/1996US5531906 Magnesium alumium hydrotalcite precipitation
07/02/1996CA2000536C Alkaline light duty liquid detergents
06/1996
06/27/1996WO1996019553A1 Cleaning and surface conditioning of formed metal surfaces
06/27/1996DE4446208A1 Industrial cleaning process prepares ultra-clean water from condensed water
06/27/1996CA2208429A1 Cleaning and surface conditioning of formed metal surfaces
06/26/1996CN1125468A Rapidly dissolving and storage stable titanium phosphate containing activating composition
06/25/1996US5529637 Circulating heated aqueous cleaning solution containing acid mixture and corrosion inhibitor through steel vessel under reducing atmosphere
06/21/1996CA2139388A1 Composition and process for desmutting and deoxidizing without smutting
06/20/1996WO1996015293A3 Metal cleaning and de-icing compositions
06/19/1996CN1124788A Pickling paste for stainless steel
06/18/1996US5527486 Near tricritical point compositions
06/18/1996US5527485 Three phases incorporate a polar solvent, a non-polar solvent and a water soluble or low molecular weight water dispersible amphiphile
06/18/1996US5527395 Method of cleaning and maintaining potable water distribution pipe systems with a heated cleaning solution
06/13/1996WO1996017667A2 Device for separating oil-in-water emulsions by electrocoagulation
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