Patents for C25D 21 - Processes for servicing or operating cells for electrolytic coating (5,798)
03/1985
03/05/1985US4502933 Apparatus for electrolytic treatment to metal web
02/1985
02/20/1985EP0133363A1 Immersion type electrode structure
02/19/1985US4500840 High speed, power potentiostat/galvanostat with IR compensation for use with an electrochemical cell
02/19/1985US4499852 Apparatus for regulating plating solution in a plating bath
02/13/1985EP0132719A1 Method and device of conducting a closed cycle of the bath for plating of coatings
02/05/1985US4497699 Method of treating foil for electrolytic capacitors
02/05/1985US4497695 Plating current automatic switching method and apparatus
02/05/1985US4497693 Leaving a portion unplated-high speed process
01/1985
01/29/1985US4496436 Pulse electrodepositing method
01/08/1985US4492621 Confining electroyte flow around cathode
12/1984
12/27/1984EP0129338A2 Electrolytic treatment method
12/25/1984US4490230 Box plating
12/18/1984CA1179751A1 Controlling metal electro-deposition using electrolyte containing, two polarizing agents
12/11/1984US4487666 Measurement of capacitance between cathode and value metal bodies immerged in electrolytes
11/1984
11/27/1984US4484990 Mist suppressant for solvent extraction metal electrowinning
11/13/1984US4481963 Drop collector for an apparatus for conveying electrodes
10/1984
10/23/1984US4478689 Automated alternating polarity direct current pulse electrolytic processing of metals
10/16/1984US4477318 Trivalent chromium electrolyte and process employing metal ion reducing agents
10/16/1984US4477315 Trivalent chromium electrolyte and process employing reducing agents
10/09/1984CA1175778A1 Ultra-high current density electroplating cell
10/09/1984CA1175777A1 Electrodialytic purification process
09/1984
09/26/1984EP0119330A1 Drop collector for an electrode transportation apparatus
09/11/1984CA1174200A1 Method and apparatus for controlling the quality of zinc sulfate electrolyte
09/04/1984US4469723 Plating control system
09/04/1984US4469566 Method and apparatus for producing electroplated magnetic memory disk, and the like
09/04/1984US4469564 Semipermeable membrane surrounding anode to keep out organic additives
09/04/1984US4469526 System for removing adhering liquid from objects after a galvanic or chemical surface treatment
08/1984
08/21/1984US4466865 Complexing agent, hydrogen ion source
07/1984
07/24/1984US4461690 System for equalizing current flow in a plurality of branch circuits such as are used in electroplating baths
07/10/1984US4459194 Electroplating apparatus
07/03/1984US4458306 High amplitude, pulsed current plating system
06/1984
06/05/1984US4452680 Electrocoating apparatus and method of use thereof
06/05/1984US4452264 Rinsing of articles to remove an adhering substance
05/1984
05/22/1984US4450051 Bright nickel-iron alloy electroplating bath and process
05/09/1984EP0107756A2 Electronic circuit for analyzing the operation of electrochemical cells
05/01/1984US4445984 Parasitic electrodialysis recovery of dissolved chemicals from dilute solutions directly into a plating bath
04/1984
04/24/1984CA1166187A1 Method for determining current efficiency in galvanic baths
04/17/1984US4443301 Controlling metal electro-deposition using electrolyte containing two polarizing agents
04/17/1984CA1165725A1 Electroplating apparatus
04/10/1984US4441976 Device for electrolytic surface treatment of mechanical workpieces
04/10/1984CA1165275A1 Evaporization driven counterflow rinse system and method
04/03/1984CA1164942A1 Process and apparatus for the automatic regulation of electric currents in a plurality of parallel circuits
03/1984
03/27/1984US4439293 Using an inorganic hydroxide, carbonate, bicarbonate
03/27/1984US4439285 Trivalent chromium electrolyte and process employing neodymium reducing agent
03/27/1984US4439284 Composition control of electrodeposited nickel-cobalt alloys
03/27/1984CA1164408A1 Corrosion resistant electrolytic cell
03/20/1984CA1163958A1 Electrolytic cells, more particularly for the production of zinc
02/1984
02/21/1984US4432844 Process for regeneration of electrolyte containing tin salts by reducing the same
02/21/1984US4432843 Regeneration
01/1984
01/31/1984US4428814 Electroplating apparatus with constant velocity agitation
01/31/1984US4428802 Replenishment of palladium in solution
01/24/1984CA1160979A1 Electroplating metal sheet pressed against cathode with contacts to provide uniform current density
01/17/1984CA1160595A1 Electrode and sludge collector support device
01/10/1984CA1160018A1 Recuperation of cyanides from rinsing solutions of cyanidric processes for electrodeposition of metals
12/1983
12/27/1983CA1159394A1 Device for electrolytic surface treatment of mechanical workpieces
12/27/1983CA1159390A1 Electrolysis of solutions containing dispersed bubbles
12/06/1983US4419192 Method for galvanic deposition of copper
10/1983
10/19/1983EP0091722A1 Method of treating foil for electrolytic capacitors
10/11/1983US4409082 Method and apparatus for the galvanic deposition of metal onto objects, cleaning off and recovery of adherent surface treatment agents
09/1983
09/13/1983CA1153728A1 Method of removing copper ions from a bath containing same
08/1983
08/30/1983US4401523 Apparatus and method for plating metallic strip
08/23/1983CA1152447A1 Concentrating solution in electrolytic diaphragm cell
08/16/1983US4399019 Ultra-high current density electroplating cell
08/16/1983US4399018 Device for electrodeposition of aluminum
07/1983
07/12/1983US4392922 Electroplating chromium on cathodically charged substrate
07/05/1983US4391694 Apparatus in electro deposition plants, particularly for use in making master phonograph records
07/05/1983US4391692 Device for the chemical or electrochemical surface treatment or material in a heated liquid treatment medium, more particularly a strip pickling plant
06/1983
06/01/1983EP0079987A1 Method and apparatus for recycling washing liquid and heat contained in washings discharged from metal surfacing process
05/1983
05/18/1983EP0079032A1 Apparatus for electroplating a metallic workpiece
05/10/1983US4382859 For a plating line
05/10/1983US4382844 Method for heating aluminum baths
05/10/1983CA1146237A1 System for generating and autocontrolling the voltage or current wave form applicable to processes for the electrolytic colouring of anodized aluminium
04/1983
04/13/1983EP0076372A1 Process for heating aluminium baths
04/05/1983US4379031 Evaporation driven counterflow rinse system and method
03/1983
03/29/1983US4378284 Continuous electrolytic processing apparatus
03/29/1983US4378281 High speed plating of flat planar workpieces
03/29/1983US4378274 Method of electroplating very thin metal parts
03/22/1983US4377456 Electrodeposition of silver, controlling current density
03/22/1983US4377450 Palladium hydroxide bath
03/02/1983EP0072968A2 Apparatus for aluminium electroplating
02/1983
02/22/1983CA1141701A1 Process and apparatus for the regeneration of chromic acid baths
02/22/1983CA1141695A1 Magnetostrictive alloy thin film electroplating
02/08/1983US4372825 Electrodeposition of metal on printed circuit
02/08/1983CA1141048A1 Treatment of metal plating wastes with an unexpanded vermiculite cation exchange column
01/1983
01/11/1983CA1139257A1 Recovery and reuse of nickel electroplating baths carried away by workpieces
01/04/1983US4367125 Apparatus and method for plating metallic strip
12/1982
12/28/1982US4365481 Method and apparatus for removal of sodium carbonate from cyanide plating baths
11/1982
11/30/1982US4361605 Apparatus used in surface treatment and a method of surface treatment using said apparatus
11/23/1982CA1136084A1 Electrolytic metal deposition with addition of particulate metal sulphate
11/02/1982US4357220 Method and apparatus for recovering charged ions from solution
10/1982
10/27/1982EP0063236A1 Device for treating wash waters with ion-exchangers
10/26/1982US4356076 Apparatus for the anodic oxidation of aluminum
10/12/1982CA1133418A1 Process for electrodialytically controlling the alkali metal ions in a tin-plating process
10/05/1982CA1132938A1 Integrated waste water treatment from anodising processes, and installation for said treatment
09/1982
09/22/1982EP0060444A1 Plating apparatus
09/15/1982EP0060091A2 Apparatus and method for electrolytically treating an ion containing liquid such as chromium plating rinse water
09/14/1982US4349514 Process for recovery of reusable chromic acid from the waste chromic acid solution containing impurities
09/07/1982CA1131162A1 Electrolytically detinning electrolyte and removing foreign metal ions by cation exchanger
08/1982
08/31/1982US4347115 Electroplating apparatus
08/25/1982EP0058649A1 Apparatus in electrodeposition plants, particularly for use in making master phonograph records and the like
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