Patents for C25F 1 - Electrolytic cleaning, degreasing, pickling, or descaling (1,460)
08/2002
08/07/2002EP1228267A1 An improved process and apparatus for cleaning and/or coating metal surfaces using electro-plasma technology
08/06/2002US6428683 Comprises stripping tank containing an electrolyte bath for removing a coating from workpiece (air foil), rinse tank, and distillation unit for receiving electrolyte containing dissolved metals
07/2002
07/30/2002US6425997 Using deionized water and high frequency alternating current
07/25/2002WO2002057031A2 Biological cleaning system
07/18/2002US20020092778 Process for electrolytic derusting of ferrous materials using natural seawater
06/2002
06/27/2002WO2002050344A1 Continuous electrolytic pickling and descaling of carbon steel and stainless
06/20/2002US20020074240 Feedback controlled airfoil stripping system with integrated water management and acid recycling system
06/19/2002EP1215306A1 Coating removal system
06/19/2002CN1354400A Adornment
06/19/2002CN1354284A Electrolytic quick descaling method for stainless steel
06/12/2002EP1115917B1 Process for electrolytic pickling using nitric acid-free solutions
06/04/2002US6398876 Nitric acid free acidic and spent neutral electrolyte solutions; oxidizing fe2+ to fe3+ and reducing cr6+ to cr3+; neutralizing to insoluble metal hydroxides; recycling acid and electrolye solutions
05/2002
05/30/2002US20020063066 To manufacture it into a tip for a scanning probe microscope; can manufacture the tip while controlling its curvature radius and aspect ratio and reducing the amount of oxide on its surface
05/21/2002US6391836 Mixture of surfactant and microorganisms
05/21/2002US6391187 Method for treating a metal product
05/16/2002US20020056634 Capacitive electrostatic process for inhibiting the formation of biofilm deposits in membrane-separtion systems
04/2002
04/25/2002WO2002033154A1 Method and device in connection with pickling
04/25/2002WO2002012596A3 Continuous electrolytic pickling method for metallic products using alternate current supplied cells
03/2002
03/21/2002US20020033344 Steel strip descaling apparatus and a steel strip manufacturing appartus using the descaling apparatus
03/13/2002EP1186399A1 Apparatus for cleaning dies used for moulding synthetic resins
03/13/2002CN1339819A Lead wire frame and its producing method
03/06/2002EP1184656A1 Method for structural development of monocrystalline superalloys
02/2002
02/28/2002US20020023846 Chemical macrographic etching and a subsequent step of electrochemical etching by means of a bath containing phosphoric acid and at least one weak acid for revealing structure for a component made of a single-crystal superalloy
02/27/2002CN1079846C Method for processing neutral salt electrolysing liquid of stainless steel
02/21/2002US20020020629 Lead frame and method of manufacturing the lead frame
02/20/2002CN1079300C Surface treatment method
02/14/2002WO2002012596A2 Continuous electrolytic pickling method for metallic products using alternate current supplied cells
02/14/2002US20020017456 Electroplating system having auxiliary electrode exterior to main reactor chamber for contact cleaning operations
01/2002
01/24/2002US20020008041 Chemical milling
01/03/2002WO2001054181A3 Process and apparatus for cleaning silicon wafers
01/02/2002EP1115916A4 Electrolytic cleaning of conductive bodies
12/2001
12/06/2001DE10025643A1 Process for coating aluminum and magnesium die casting bodies comprises electrolytically degreasing the body in an alkaline aqueous cleaner, descaling, forming a conversion layer, cataphoretically dip coating, rinsing in water, and curing
12/04/2001US6325913 Apparatus in which electrodes have jet openings which jet electrolyte to steel strip, improving electric power efficiency, processing speed and miniaturization
11/2001
11/21/2001CN1323369A Soil resisting device for structure in contact with seawater
10/2001
10/18/2001WO2001032960A3 Machine for localised cleaning with electrolytic and/or ultrasound cell, for pickling and/or polishing
10/17/2001EP1144735A1 Method and apparatus for low energy electron enhanced etching and cleaning of substrates
10/04/2001EP1139400A1 Method for machining/cleaning by hydroxide ion in ultrapure water
09/2001
09/25/2001US6294072 Apparatus for stripping metal oxide scale from metal surface
09/19/2001CN1313411A Neutral salt electrolytic liquid for treating device of stainless steel, and method and apparatus for descaling stainless steel
08/2001
08/30/2001WO2001062999A1 Titanium less susceptible to discoloration in the atmosphere and method for producing same
08/22/2001CN1309724A Removal of oxygen from metal oxides and solid solutions by electrolysis in fused salt
08/14/2001US6274027 Anodic electrolysis or alternate electrolysis in an electrolyte solution so as to dissolve the oxide scale; acid pickling so as to remove remaining oxide scale or oxide film generated in the electrolysis.
08/07/2001US6270647 Electroplating system having auxiliary electrode exterior to main reactor chamber for contact cleaning operations
07/2001
07/31/2001US6267870 Treating aluminum workpieces
07/26/2001WO2001054181A2 Process and apparatus for cleaning silicon wafers
07/26/2001WO2001053571A1 Electrolytic treatment
07/24/2001US6264823 Non-caustic cleaning of conductive and non-conductive bodies
07/18/2001EP1115917A1 Process for electrolytic pickling using nitric acid-free solutions
07/18/2001EP1115916A1 Electrolytic cleaning of conductive bodies
07/11/2001CN1068389C Method and apparatus for manufacturing hot-rolled steel strip
06/2001
06/27/2001CA2327787A1 Cleaning machine for die used for synthetic resin mould
06/07/2001WO2001026768A3 Electrostatic enhancement for membrane-separation systems
05/2001
05/22/2001US6235180 Method for forming phosphate film on the steel wires and apparatus used therefore
05/10/2001WO2001032960A2 Machine for localised cleaning with electrolytic and/or ultrasound cell, for pickling and/or polishing
05/08/2001US6228445 Austenitic stainless steel article having a passivated surface layer
04/2001
04/19/2001WO2001026768A2 Electrostatic enhancement for membrane-separation systems
04/17/2001US6217679 Hot-rolling chromium-containing steel slab, coiling strip formed at specified temperature, annealing strip in reducing atmosphere with specified hydrogen concentration and dew point, pickling in solution of nitric and hydrochloric acids
04/17/2001US6216304 Apparatus for cleaning strips
04/11/2001CN1291243A Electroplating system having auxiliary electrode exterior to main reactor chamber for contact cleaning operations
04/04/2001EP1088113A1 Removal of oxygen from metal oxides and solid solutions by electrolysis in a fused salt
03/2001
03/29/2001WO2001021855A1 Removal of metal oxide scale from metal products
03/20/2001US6203691 Electrolytic cleaning of conductive bodies
02/2001
02/08/2001WO2001009410A1 An improved process and apparatus for cleaning and/or coating metal surfaces using electro-plasma technology
01/2001
01/31/2001EP1072695A1 Method and device for removing and suppressing scale of metal material
01/18/2001DE19931820A1 Process for descaling titanium material comprises subjecting the titanium material with an oxide cinder on its surface to anodic electrolysis or alternating electrolysis in an electrolyte solution, and acid pickling the titanium material
12/2000
12/20/2000CN1277270A Degreasing method and apparatus for steel band
12/13/2000EP1059369A1 Method and apparatus for degreasing steel strip
12/09/2000CA2310975A1 Method and apparatus for degreasing steel strip
11/2000
11/21/2000US6149744 Method of making austenitic stainless steel sheet
11/15/2000EP1051545A1 Method for treating a metal product
10/2000
10/17/2000US6131657 Method for preventing or inhibiting metal deposition
10/11/2000EP1043421A2 Austenitic stainless steel article having a passivated surface layer
09/2000
09/27/2000CN1267750A Process for scaling on alloy steel surface
09/20/2000CN1056651C Method for treatment of cold-rolled stainless steel strip or sheet
09/15/2000CA2265413A1 A method for complex decontamination of metal surfaces with deep and surface contamination and of liquid radioactive wastes
08/2000
08/16/2000EP1027481A1 Electroplating system having auxiliary electrode exterior to main reactor chamber for contact cleaning operations
08/03/2000WO2000044964A1 Method and device for removing and suppressing scale of metal material
08/02/2000CN1261630A Acid washing process for stainless steel
07/2000
07/11/2000US6087018 Ornament comprising transparent protective layer formed over surface of titanium member which is free of surface adhesion substances
06/2000
06/28/2000EP1013800A2 Process for pickling stainless steel
06/15/2000WO2000034995A1 Method for machining/cleaning by hydroxide ion in ultrapure water
04/2000
04/20/2000WO2000022240A1 Soil resisting device for structure in contact with seawater
03/2000
03/30/2000WO2000017422A1 Electrolytic cleaning of conductive bodies
03/30/2000CA2341622A1 Electrolytic cleaning of conductive bodies
03/29/2000CN1248644A Method for forming lubricating coated film for cold-extrusion working
03/28/2000US6042713 Method for removing metal contaminants
03/23/2000WO2000015880A1 Process for electrolytic pickling using nitric acid-free solutions
03/23/2000CA2343778A1 Process for electrolytic pickling using nitric acid-free solutions
03/22/2000EP0987351A1 A steel strip descaling apparatus and a steel strip manufacturing apparatus using the descaling apparatus
02/2000
02/29/2000US6030519 Electrode pad for debonding paint from a metal substrate
01/2000
01/26/2000CN1242439A Method and apparatus for quick forming phosphate covering film on steel wire
01/19/2000EP0972862A2 Method for forming a phosphate film on steel wires and apparatus used therefor
12/1999
12/16/1999WO1999064638A1 Removal of oxygen from metal oxides and solid solutions by electrolysis in a fused salt
12/08/1999EP0961842A1 Continuous chemical metal strip descaling process and device
12/07/1999US5997721 Dissolving aluminium oxide and maintained at a temperature of at least 70.degree. c. under conditions such that the surface of the workpiece is cleaned with any oxide film thereon being non-porous and no more than about 20 nm thick.
11/1999
11/24/1999EP0958412A1 Treating aluminium workpieces
11/16/1999US5986205 Stainless steel sheet and a substrate for a solar cell and manufacturing method thereof
11/09/1999US5981084 Electrolytic process for cleaning electrically conducting surfaces and product thereof
10/1999
10/13/1999CN1231350A Electro-acoustic quick oil, scale and rust removing clean agent for metal and clean method thereof
09/1999
09/09/1999DE19809487A1 Electroplating and electrolytic cleaning of restricted area especially of metal, e.g. on construction site
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