| Patents for C25D 21 - Processes for servicing or operating cells for electrolytic coating (5,798) |
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| 08/24/1982 | US4345977 Method and apparatus for depositing metal in a large diameter cylindrical bore which passes through a large part |
| 07/27/1982 | US4341610 Electrodeposition |
| 07/27/1982 | CA1128465A1 Anode for electroextraction and electrodeposition |
| 07/20/1982 | US4340451 Method of replenishing gold/in plating baths |
| 07/06/1982 | US4338176 System for generating and autocontrolling the voltage or current wave form applicable to processes for the electrolytic coloring of anodized aluminium |
| 06/23/1982 | EP0054074A1 Process for reducing and reclaiming electrolyte containing tin salt |
| 06/02/1982 | EP0052701A1 A method and apparatus for electroplating a metallic film |
| 05/11/1982 | US4329235 Apparatus and method for dispensing purifying media mixture |
| 05/04/1982 | US4328076 Electrode and sludge collector support device and electroplating therewith |
| 04/27/1982 | US4326940 Computer |
| 04/21/1982 | EP0050046A1 Electrocoating apparatus |
| 04/20/1982 | US4325792 Electrolysis, chromic acid |
| 04/13/1982 | US4324629 Process for regenerating chemical copper plating solution |
| 04/13/1982 | US4324623 Method and apparatus for replenishing an electroplating bath with metal to be deposited |
| 03/23/1982 | US4321145 Ion exchange treatment for removing toxic metals and cyanide values from waste waters |
| 03/23/1982 | CA1120421A1 Flattened nickel forms for electroplating |
| 03/02/1982 | US4317848 Circulation of the drainage from each bath to the preceding bath |
| 02/23/1982 | US4316786 Apparatus for electroplating particles of small dimension |
| 02/17/1982 | EP0045970A1 Process for measuring the current efficiency of electroplating baths |
| 01/20/1982 | EP0043893A1 Regulation of the plating solution in a plating bath |
| 01/12/1982 | CA1116050A1 Process for rinsing articles |
| 01/07/1982 | WO1982000036A1 Process for reducing and reclaiming electrolyte containing tin salt |
| 12/22/1981 | US4306946 Process for acid recovery from waste water |
| 12/08/1981 | US4304653 Device for continuously electrodepositing with high current density, a coating metal on a metal sheet |
| 12/08/1981 | US4304641 Rotary electroplating cell with controlled current distribution |
| 12/01/1981 | US4303342 Method and apparatus for detecting foreign matters in liquids |
| 11/24/1981 | US4302319 Continuous electrolytic treatment of circulating washings in the plating process and an apparatus therefor |
| 11/24/1981 | US4302304 Process for treating electrolytic solution |
| 11/17/1981 | CA1112603A1 Constant current electro deposition |
| 11/11/1981 | EP0039453A1 Apparatus for electroplating |
| 10/07/1981 | EP0037033A1 Method and apparatus for metal plating of cylindric bores with large diameter extending across the central part of a work piece having large dimensions |
| 09/22/1981 | US4290858 Process for forming a nickel foil with controlled and predetermined permeability to hydrogen |
| 09/22/1981 | US4290856 Electroplating apparatus and method |
| 09/08/1981 | US4288298 Method and apparatus for electroplating or electroforming metal objects |
| 09/02/1981 | EP0035008A2 Process and apparatus for treating photographic baths |
| 09/02/1981 | EP0034661A1 Method and apparatus for recovering charged ions from solution |
| 09/01/1981 | US4287046 Process for treating electrolytic solution and apparatus therefor |
| 09/01/1981 | US4287043 Computerized |
| 07/29/1981 | EP0032892A1 Device for producing electrolytically coated wires |
| 07/21/1981 | US4279706 Method and assembly for depositing a metal on a cylindrical bore which passes through a central portion of a large part |
| 07/14/1981 | US4278515 Method for removal of sodium carbonate from cyanide plating baths |
| 05/26/1981 | US4269672 Rod electrode axially positioned perpendicularly from uneven surface contour of substrate; calibration |
| 05/26/1981 | US4269669 High speed electroplating |
| 05/05/1981 | US4265863 Integrated process for treatment of residual solutions from anodization plants |
| 05/05/1981 | US4265726 Aluminum plating cell |
| 04/21/1981 | US4263120 Electrolytic cell for the recovery of nonferrous metals and improved anode therefor |
| 04/08/1981 | EP0026591A1 Control of the pH or ion concentration of an electrolyte stream |
| 03/24/1981 | US4257944 Cyanation with a nonmetallic nitrile in the presence of a copper catalyst |
| 03/17/1981 | CA1097587A1 No translation available |
| 01/28/1981 | EP0022839A1 Recuperation of cyanides from rinsing solutions of cyanidric processes for electrodeposition of metals |
| 01/07/1981 | EP0022113A1 Process for electroforming objects starting from a bath containing suspended particles |
| 01/07/1981 | EP0020831A1 Method of regenerating electrolyte in a zinc plating process |
| 01/06/1981 | US4243501 Process and apparatus for the regeneration of chromic acid baths |
| 01/06/1981 | CA1093012A1 Electroplating apparatus |
| 12/30/1980 | CA1092648A1 Circuit for controlling the voltage applied to an anodized aluminium colouring bath |
| 12/23/1980 | US4240881 Electroplating current control |
| 12/10/1980 | EP0020008A1 High-speed plating arrangement and stamper plate formed using such an arrangement |
| 12/10/1980 | EP0019678A1 Process for the treatment of rinse water of metal pieces having undergone a pickling by a strong acid |
| 12/09/1980 | US4238314 Continuous electrolytic treatment of circulating washings in the plating process and an apparatus therefor |
| 11/25/1980 | CA1090238A1 Process for cleaning articles after galvanic and/or chemical surface treatment |
| 10/21/1980 | US4229280 Process for electrodialytically controlling the alkali metal ions in a metal plating process |
| 10/07/1980 | US4226685 Electrolytic treatment of plating wastes |
| 10/07/1980 | CA1087329A1 Process for the removal of metals from solutions |
| 09/17/1980 | EP0015737A1 Process for the regeneration of electroless plating baths |
| 09/09/1980 | US4221643 Electrodeposition |
| 09/03/1980 | EP0015152A1 A method for removing multivalent heavy metal ions from a metal plating waste effluent |
| 09/02/1980 | CA1084872A1 Method of producing silica sols by electrodialysis |
| 08/26/1980 | US4219390 Electrolysis, ion exchanging |
| 08/07/1980 | WO1980001563A1 Recuperation of cyanides from rising solutions of cyanidric processes for electrodeposition of metals |
| 08/06/1980 | EP0013874A2 Apparatus for electrodeposition of aluminium |
| 08/05/1980 | US4216064 Method of assessment of the effect of current periodical polarity inversion in electrochemical processes |
| 07/29/1980 | US4214952 Anodizing, bubbling |
| 07/22/1980 | CA1082376A1 Treatment of liquids containing complexed heavy metals and complexing agents |
| 07/22/1980 | CA1082337A1 Process control circuit for metal-depositing baths |
| 07/01/1980 | US4210530 Treatment of metal plating wastes with an unexpanded vermiculite cation exchange column |
| 06/03/1980 | US4206028 Electrochemical polishing system |
| 06/03/1980 | US4206018 Electrodeposition |
| 05/20/1980 | CA1077743A1 Stepless, variable stroke drive having a non-rotating cam |
| 05/14/1980 | EP0010786A1 Anode for the electrowinning or galvanic deposition of non-ferrous metals |
| 04/22/1980 | CA1076019A1 Process for removing waste water from hardening and galvanizing shops |
| 04/15/1980 | CA1075636A1 Recovery of zinc from residual solutions of electroplating |
| 04/08/1980 | US4197391 Phenolic chelate resin and method of adsorption treatment |
| 04/08/1980 | US4197181 Recovering metal values |
| 04/08/1980 | US4197167 Treating aqueous rinse containing organic brightener having sulfur therein by acidification and passage through carbon filter |
| 04/01/1980 | US4196083 Apparatus and method for continuous plating bath treatment system |
| 03/25/1980 | US4194957 Apparatus for the electrolytic treatment of metallic parts |
| 03/05/1980 | EP0008410A1 Process for treating chromic acid-containing wastewater |
| 02/26/1980 | CA1072632A1 Method and a device for evaluating the quality of electroplating baths |
| 02/26/1980 | CA1072412A1 Chrome removal and recovery |
| 02/19/1980 | US4189356 Strike coating |
| 02/12/1980 | CA1071568A1 Electrolytic plating method and apparatus for discrete microsized particles |
| 02/12/1980 | CA1071429A1 Method and apparatus for purification of aqueous zinc sulphate solution used in electrolytical production of zinc |
| 02/05/1980 | US4187166 Electrodeposition, rinsing |
| 02/05/1980 | US4187154 Method for manufacturing substantially flat dies |
| 01/01/1980 | US4181580 Process for electro-tin plating |
| 01/01/1980 | US4181043 Stepless variable stroke drive having a non-rotating cam |
| 12/25/1979 | US4180417 Phosphating of metallic substrate |
| 12/18/1979 | US4179348 Removal of cyanide from waste water |
| 12/11/1979 | US4178244 Process for removal of hardening and galvanizing waste water |
| 11/27/1979 | US4176034 Apparatus for the electrodeposition of aluminum |