Patents for C25D 21 - Processes for servicing or operating cells for electrolytic coating (5,798)
09/1987
09/02/1987EP0234750A2 Current collecting assembly for a rotatable body
09/02/1987EP0234212A1 Electroplating cell
08/1987
08/26/1987EP0233672A1 A method for tinning metal strip
07/1987
07/14/1987US4680126 Separation and recovery of reusable heavy metal hydroxides from metal finishing wastewaters
07/01/1987EP0227517A1 Process and apparatus for controlling the amount of metal electrolytically deposited on a continuously moving strip
06/1987
06/23/1987US4675111 Solution waste treatment module
06/02/1987US4670120 Apparatus for electrolytic surface treatment of bulk goods
06/02/1987US4670118 Ion exchange membrane
06/02/1987US4670116 Purifying mixed-cation electrolyte
05/1987
05/27/1987CN85108249A Recovery method, equipment and uses of the silver-plating rinse water in the fixed bed particulate cathode reactor
05/27/1987CN85107408A Huge plating bath of the electroplating iron-radical combined plating
05/26/1987US4668367 Lock for loading and unloading goods into a treatment apparatus having a protective atmosphere
05/26/1987US4668353 Bubbles, coalescing, electrolytic cells, masking, apertures, hoods
05/19/1987US4666567 Automated alternating polarity pulse electrolytic processing of electrically conductive substances
05/05/1987CA1221334A1 Strip electroplating using consumable and non- consumable anodes
04/1987
04/29/1987EP0219528A1 Industrial exhaust ventilation system
04/21/1987US4659437 Controlling metal played using x-ray fluorescent analyzer
04/16/1987DE3536224A1 Process for automatically holding constant the ionic concentration in a bath for the electrolytic colouring of anodised aluminium or aluminium alloys
04/08/1987CN86202493U Pressure-relief evaporator for recovering cyanide plating solution
03/1987
03/31/1987US4654089 Plating baths
03/25/1987CN86103364A Conversion method of cyanide-containing silver plating solution to cyanide-free
03/24/1987US4652734 Method of and device for feeding information about articles to be processed in galvanizing installations
03/03/1987US4647365 Continuous checking, current control, strain gauge, carrier
02/1987
02/11/1987CN86203029U Multi functional by-pass filter unit
02/10/1987US4642173 Cell having coated valve metal electrode for electrolytic galvanizing
01/1987
01/31/1987CN86100778A Comprehensive process for electroplating waste water treatment
01/28/1987EP0209766A1 Apparatus for the electrolytic surface treatment of bulk goods
01/21/1987EP0209302A2 Stress monitoring apparatus for use in electroforming and electroplating processes
01/21/1987EP0209005A1 Air lock for loading and unloading a treatment apparatus working under air-free conditions
01/13/1987US4636288 Electrodialytic conversion of multivalent metal salts
12/1986
12/30/1986CA1216035A1 Method for continuously monitoring oxide thickness on moving aluminum foil
12/30/1986CA1216034A1 Electrolytically forming a lot of valve-metal-bodies for use in capacitors
12/23/1986US4631116 Method of monitoring trace constituents in plating baths
12/23/1986CA1215671A1 Thiazole addition agents for trivalent chromium electrolytes
11/1986
11/25/1986US4624857 Method for automatic control of galvanic deposition of copper coatings in galvanic acid copper baths
11/25/1986EP0183702A4 Apparatus and method for removing dissolved metals from solutions containing same.
11/12/1986CA1213854A Method of controlling electrocoating bath and apparatus therefor
11/11/1986US4621717 Wheel hub clutch assembly
11/04/1986CA1213558A1 Method of purifying trivalent chromium electroplating baths
11/04/1986CA1213557A1 Trivalent chromium electroplating process
10/1986
10/28/1986US4619740 Method of measuring current density in electroplating baths
10/23/1986WO1986006007A1 Industrial exhaust ventilation system
10/15/1986EP0197769A2 Purifying mixed-cation electrolyte
10/07/1986US4616306 Metal treating process control
10/01/1986EP0196053A2 Chromium plating process for producing non-iridescent, adherent, bright chromium deposits at high efficiencies and substantially free of cathodic low current density etching
09/1986
09/16/1986US4611746 Process for forming improved solder connections for semiconductor devices with enhanced fatigue life
09/09/1986US4610773 Immersion type electrode structure
08/1986
08/13/1986EP0190896A2 Method and apparatus for ion exchange lead removal
08/06/1986CN86100839A Method and apparatus for ion exchange lead removal
07/1986
07/22/1986US4601794 Plating of zinc-nickel and zinc-iron alloys on steel strips
07/01/1986US4597837 Method and apparatus for electrolytic treatment
06/1986
06/24/1986CA1206436A1 Rotary electroplating cell with controlled current distribution
06/18/1986CN85203738U Retrieving and disposing device for waste water containing noble metals
06/17/1986US4595462 Taking electrolyte solution bath sample from galvanic bath, precipitating metal onto rotating disk electrode in measuring cell, measuring voltage
06/11/1986EP0183702A1 Apparatus and method for removing dissolved metals from solutions containing same
06/03/1986US4592819 Electroplating apparatus with ventilation means
06/03/1986CA1205417A1 Apparatus and method for plating metallic strip
05/1986
05/21/1986EP0181430A1 Systems for producing electroplated and/or treated metal foil
05/13/1986US4588481 Chromium plating bath for producing non-iridescent, adherent, bright chromium deposits at high efficiencies and substantially free of cathodic low current density etching
05/07/1986EP0180090A2 System and method for automatically monitoring and maintaining desired concentrations of metal plating baths
04/1986
04/22/1986US4584081 Apparatus for depositing metal on the rubbing parts of a turbine rotor
04/08/1986US4581111 Treatment of ultrafiltrate by electrodialysis
03/1986
03/04/1986USH36 Electroplating process with inert anodes
03/04/1986CA1201411A2 Rejuvenation of trivalent chromium electrolyte
02/1986
02/26/1986EP0172743A1 Selective and continuous removal of metal-ion contaminants from plating baths
02/25/1986US4572773 Electroplating apparatus
02/04/1986US4568431 Process for producing electroplated and/or treated metal foil
01/1986
01/15/1986EP0167790A2 Coated valve metal electrode used for zinc electroplating
01/08/1986EP0167030A1 Method of forming solder interconnections for semiconductor devices
12/1985
12/31/1985US4561956 Complete recovery
12/27/1985EP0165408A1 Apparatus for depositing metal on the frictional part of a turbine rotor
12/10/1985US4557812 Purifying mixed-cation electrolyte
11/1985
11/12/1985US4552629 Leaching, filtration, oxidation, stripping circulation
11/07/1985WO1985004817A1 Apparatus and method for removing dissolved metals from solutions containing same
10/1985
10/30/1985EP0159430A1 Analysis of organic additives in plating paths using novel chromatographic methods in a mass balance approach
10/29/1985US4549950 Tank containing solution; means for removing impurities and withdrawing and removing particulate matter
10/23/1985EP0158727A1 Method for measuring the current density in galvanization baths
10/08/1985US4545885 Selective electroplating apparatus having a cleaning device
10/08/1985US4545876 Method and apparatus for surface treating
10/08/1985US4545865 Method for electrodeposition of materials
10/02/1985EP0156341A2 Treatment of ultrafiltrate by electrodialysis
09/1985
09/18/1985EP0154705A2 Process for the automatic control of acid copper electroplating baths
09/10/1985CA1193223A1 Bright nickel-iron alloy electroplating bath and process
08/1985
08/27/1985US4537664 Measuring current formed between two electrodes in two separate electrolytes
08/21/1985EP0151926A2 Methods for monitoring metal ion concentrations in plating baths
08/20/1985US4536264 Method for electrolytic treatment
08/13/1985US4534832 Arrangement and method for current density control in electroplating
08/13/1985CA1191812A1 Mist suppressant for solvent extraction metal electrowinning
08/06/1985US4533444 Method of electrolytic treatment on the surface of metal web
07/1985
07/31/1985EP0149917A2 Electrodialytic conversion of multivalent metal salts
07/02/1985CA1189819A1 Electroplating drum with semi-circular anode array for removal of liquid
04/1985
04/30/1985US4514266 Method and apparatus for electroplating
04/30/1985CA1186275A1 Process for regeneration of electrolyte containing tin salts by reducing the same
04/23/1985CA1185919A1 Method for electroplating steel strip
04/17/1985EP0137369A1 Method for electrolytic treatment
04/10/1985EP0136786A1 Purifying mixed-cation electrolyte
04/03/1985EP0136038A1 Method and apparatus for producing electroplated magnetic memory disk, and the like
04/02/1985US4508601 Electroplating zinc, then immersion in tin compound bath
03/1985
03/20/1985EP0134580A1 Method and apparatus for electrolytic treatment
03/19/1985US4505785 Speed determines amount of electroplating
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