| Patents for C25D 21 - Processes for servicing or operating cells for electrolytic coating (5,798) |
|---|
| 07/13/1995 | DE4405800C1 Aq. oxidising soln. contg. di:halo:tetra:oxide ions |
| 07/11/1995 | US5431801 Electroplating method and apparatus |
| 07/06/1995 | WO1995018251A1 Process and device for electrolytic precipitation of metallic layers |
| 07/06/1995 | DE4345076A1 Controlling zinc@ content in electrolytic zinc coating bath |
| 06/28/1995 | EP0659692A1 Process for electrochemical reduction of nitrate |
| 06/28/1995 | CN1104267A Vibration-type electroplating method and its apparatus |
| 06/14/1995 | EP0502915B1 Process and device for controlling the flow of operations in electroplating plants |
| 06/06/1995 | US5421986 Method of regulating electro-deposition onto a metal strip |
| 06/01/1995 | WO1995014798A1 Ultrasonic agitator |
| 06/01/1995 | DE4405741C1 Electrolytic deposition of metal coating |
| 06/01/1995 | CA2176932A1 Ultrasonic agitator |
| 05/31/1995 | EP0655510A1 Apparatus for dissolving zinc using acidic liquid electrolytes |
| 05/09/1995 | US5413692 Hydrodynamically modulated hull cell |
| 05/02/1995 | US5411652 Optimum conversion chamber |
| 05/02/1995 | US5411645 Hydrogen assisted reduced oxide soldering system |
| 05/02/1995 | EP0667923A4 Method and apparatus for electrolytically plating copper. |
| 04/25/1995 | US5409594 Ultrasonic agitator |
| 04/20/1995 | DE4337449C1 Process and apparatus for metal recovery from metal-containing solutions |
| 04/11/1995 | US5405507 Electrolytic treatment of an electrolytic solution |
| 03/29/1995 | EP0645623A2 Method of monitoring acid concentration in plating baths |
| 03/28/1995 | US5401379 Chrome plating process |
| 03/09/1995 | DE4330068A1 Method for regenerating and stabilising cyanide silver-tin baths |
| 03/02/1995 | DE4328876A1 Method of extending the useful life of electrolyte solutions by eliminating interfering organic substances |
| 02/28/1995 | US5393395 Method of surface-treating a half sliding bearing and apparatus for same |
| 02/21/1995 | US5391271 Method of monitoring acid concentration in plating baths |
| 02/08/1995 | EP0637640A2 Plating system |
| 02/01/1995 | EP0636708A1 Method to prevent the exhaustion of acid copper plating baths and to recover metallic copper from solutions and sludges containing copper in an ionic form |
| 01/31/1995 | CA1334221C Apparatus and method for recovering materials from process baths |
| 01/05/1995 | WO1995000444A1 Electrochemical processes |
| 01/03/1995 | US5378347 Reducing tin sludge in acid tin plating |
| 01/03/1995 | US5378340 Apparatus for the electrolytic recovery of silver |
| 12/27/1994 | US5376256 Method of removing carbonates from plating baths |
| 12/22/1994 | WO1994029023A1 Method for treatment of aqueous effluents containing metallic cations |
| 12/14/1994 | CN1096332A Method for recovery of tin plating liquid |
| 12/13/1994 | US5372701 Process and apparatus for electroplating |
| 12/08/1994 | DE4318793A1 Method of extending the useful life of electrolyte solutions by eliminating interfering organic substances |
| 12/06/1994 | US5370902 Regulating method for a metallurgical treatment carried out on a moving product and device for its implementation |
| 11/30/1994 | EP0626577A1 Method of monitoring metal ion content in plating baths |
| 11/29/1994 | US5368715 Method and system for controlling plating bath parameters |
| 11/23/1994 | EP0625593A2 Reducing tin sludge in acid tin plating |
| 11/22/1994 | US5366612 Process for making copper foil |
| 11/17/1994 | DE4315411A1 Process for regenerating spent chromic acid solutions |
| 11/15/1994 | US5364523 Method of electroplating half sliding bearings |
| 11/08/1994 | US5362369 Fully automatic current control for metal depletion cells |
| 10/27/1994 | WO1994024338A1 Process for making copper foil |
| 10/26/1994 | EP0621354A1 Method for recovering and reproducing tinning liquid |
| 10/26/1994 | EP0621353A1 Process for controlling the electroplating of a metal strip |
| 10/23/1994 | CA2120080A1 Method of regulating electro-deposition onto a metal strip |
| 10/04/1994 | US5352350 Method for controlling chemical species concentration |
| 10/04/1994 | US5352346 Current generation and control systems for electrolytic vat |
| 09/28/1994 | EP0617280A2 Method of monitoring major constituents in plating baths |
| 09/28/1994 | EP0617279A2 Method for monitoring purification treatment in plating baths |
| 09/28/1994 | EP0555263B1 Device for coating workpieces used in the dental field |
| 09/15/1994 | DE4323699C1 Method and appliance for separating treatment media in electroplating plants |
| 09/13/1994 | US5346607 Electrolytic tinplating and product |
| 09/07/1994 | EP0613398A1 Process, medium and device for electrodialytically regenerating the electrolyte of a galvanic bath or the like. |
| 09/06/1994 | US5344552 Process for electroplating a metal strip |
| 09/06/1994 | US5344491 Apparatus for metal plating |
| 09/01/1994 | DE4403457A1 Method and appliance for rinsing workpieces |
| 08/31/1994 | EP0612863A1 Reducing agent regeneration system and method |
| 08/17/1994 | CN2174482Y Electromoulding tank |
| 08/09/1994 | US5336392 Method for preparation of a Zn-Ni electroplating or hot-dip galvanizing bath using a Zn-Ni alloy, and method for producing a Zn-Ni alloy |
| 08/09/1994 | US5336380 Method of monitoring major constituents in plating baths |
| 08/09/1994 | US5335681 Apparatus for the treatment of board-like articles, particularly printed circuit boards |
| 08/04/1994 | DE4302264A1 Immersion unit for galvanic baths |
| 08/03/1994 | EP0608616A1 Electroplating apparatus |
| 07/26/1994 | US5332487 Computer memory disks |
| 07/26/1994 | CA1330963C Process for electroplating metals |
| 07/21/1994 | DE4244512C1 Dipping unit for galvanic baths, etc |
| 07/20/1994 | EP0606610A2 Multi-Compartment electro plating system |
| 07/12/1994 | US5328573 Method for electrochemically roughening a surface of a metal plate |
| 06/28/1994 | US5324406 Automatic brush plating machine |
| 06/16/1994 | DE4241867A1 Increasing working life of electrolytic bath contg. heavy metals - by removing harmful organic material with adsorption polymer which is then itself regenerated with acid or alkali |
| 06/15/1994 | EP0601504A1 Process for prolonging the useful life of electrolyte solutions by eliminating noxious organic compounds |
| 06/14/1994 | US5320724 Method of monitoring constituents in plating baths |
| 06/07/1994 | US5318683 Electrodeposition system |
| 05/31/1994 | US5316642 Oscillation device for plating system |
| 05/25/1994 | EP0598380A2 Method of monitoring constituents in plating baths |
| 05/25/1994 | EP0598273A1 Method for treatment of circuit boards by dipping in chemical mediums |
| 05/18/1994 | EP0597475A1 Method of monitoring major constituents in plating baths containing codepositing constituents |
| 05/18/1994 | EP0597474A1 Method of selectively monitoring trace constituents in plating baths |
| 05/18/1994 | EP0597131A1 Phosphating process |
| 05/17/1994 | US5312539 Electrolytic tin plating method |
| 05/17/1994 | US5312532 Multi-compartment eletroplating system |
| 05/10/1994 | US5310440 Convection transfer system |
| 04/28/1994 | WO1994009188A1 Process for treating a surface of an article |
| 04/27/1994 | EP0594011A1 Electrolytic pump |
| 04/27/1994 | EP0493479B1 Improvements in or relating to the electrodeposition of zinc or zinc alloy coatings |
| 04/20/1994 | EP0592727A1 Process for treating a surface of an article |
| 04/19/1994 | US5304297 Electrolytic cells |
| 04/14/1994 | WO1994008075A1 Method of reducing the lead content of electrodeposited tin coatings |
| 04/14/1994 | DE4235227A1 Arrangement for metal concentration stabilisation in copper@ plating cylinders - by use of an auxiliary anode in addition to main copper@ anode |
| 04/13/1994 | CN1085123A Medium temp. CO conversion catalyst and its preparing method |
| 03/31/1994 | WO1994007131A1 Monitoring copper-containing metal treatment baths |
| 03/31/1994 | WO1994006953A1 Method and apparatus for electrolytically plating copper |
| 03/31/1994 | DE4232183A1 Surface treatment of components lifted from dipping bath - with gas and/or liquid spray nozzles for removal of process liquids |
| 03/29/1994 | US5298132 Swept direct current measurement signal applied to electrode, monitoring response current |
| 03/29/1994 | US5298131 Applying pretreatment signal then sweep signal to electrode measuring magnitude of volummetric peak current |
| 03/29/1994 | US5298130 Applying a plating signal in a bath and stripping with a signal |
| 03/29/1994 | US5298129 Method of selectively monitoring trace constituents in plating baths |