| Patents for C25D 21 - Processes for servicing or operating cells for electrolytic coating (5,798) |
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| 04/22/1998 | EP0837158A1 Plating cell with fluid powered wiper |
| 04/08/1998 | EP0834604A1 An electroplating process |
| 03/26/1998 | DE19639084A1 Vorrichtung und ein- oder mehrphasiges Verfahren zur Rückgewinnung ausgeschleppter Behandlungslösungen durch Tauchtrommeln Apparatus and mono- or multi-phase process for the recovery of alien out treatment solutions by immersion drums |
| 03/18/1998 | EP0828863A1 Preparation of pre-coated aluminum alloy articles |
| 03/12/1998 | DE19645875A1 Electro plating of sheet workpieces |
| 03/11/1998 | EP0828016A1 Process and apparatus for monitoring and controlling the flat galvanic deposition of thick layers on electrically conductive flexible substrates |
| 03/11/1998 | CN1175913A Method and apparatus for delivering electromagnetic energy into solution |
| 03/10/1998 | US5726361 Vibrational processing apparatus and method |
| 02/25/1998 | CN1174251A Separated secondary electroplating method |
| 02/25/1998 | CN1174250A Cathode and anode reversible ion supplying method |
| 02/18/1998 | EP0824089A1 Process for drying galvanic sludge |
| 02/17/1998 | USRE35730 Apparatus and process to regenerate a trivalent chromium bath |
| 02/12/1998 | DE19653272C1 Circuit board blank electroplating in continuous plant |
| 02/10/1998 | US5716509 Process and device for the electrolytic surface coating of workpieces |
| 02/10/1998 | CA2093710C Rotating cylinder-throwing power electrode |
| 02/05/1998 | DE19707905C1 Bipolar pulsed current supply method for electroplating |
| 01/21/1998 | CN1171167A Composite intermediate connecting element of microelectronic device and its production method |
| 01/21/1998 | CN1170783A Process and device for electrolytic treatment of continuous running materials |
| 01/08/1998 | WO1998000585A1 Control agent for reducing metal acid mist emissions from electrolytic cell operations |
| 01/07/1998 | EP0597131B1 Phosphating process |
| 12/23/1997 | US5700366 Electrolytic process for cleaning and coating electrically conducting surfaces |
| 12/10/1997 | CN2270056Y Movable electroplating device |
| 12/03/1997 | CN1166539A Method for controlling concentration of electroplating bath components in continuous electroplating |
| 11/27/1997 | DE19621242A1 Two=phase recovery process and equipment for carried-over treatment solution in immersion barrels |
| 11/26/1997 | EP0808381A1 Method of forming an alloy layer |
| 11/25/1997 | US5690804 Method and plant for regenerating sulfate electrolyte in steel strip galvanizing processes |
| 11/12/1997 | EP0795200A4 Mounting electronic components to a circuit board |
| 11/05/1997 | EP0804637A1 Method and device for galvanizing plate-shaped products in horizontal continuous plants |
| 11/04/1997 | US5683564 Plating cell and plating method with fluid wiper |
| 10/30/1997 | DE19711717A1 Non-precious metal especially zinc dissolution |
| 10/29/1997 | EP0802990A1 Device for chemical or electrolytic surface treatment of plate-like objects |
| 10/22/1997 | EP0801883A1 Method and device for the treatment of plate-shaped workpieces having small holes |
| 10/22/1997 | EP0801692A2 Electroplating plant |
| 10/15/1997 | EP0801153A1 Process and device for the electrolytic treatment of continuously moving articles |
| 10/08/1997 | EP0800081A1 Method of performing fine working |
| 09/25/1997 | WO1997035052A1 An electrolytic process for cleaning electrically conducting surfaces |
| 09/25/1997 | WO1997035051A1 An electrolytic process for cleaning and coating electrically conducting surfaces |
| 09/25/1997 | WO1997035050A1 Method of treating surfaces and a suitable device |
| 09/25/1997 | DE19611137A1 Direct plastic metallising by electroplating |
| 09/25/1997 | CA2253311A1 An electrolytic process for cleaning electrically conducting surfaces |
| 09/25/1997 | CA2253214A1 An electrolytic process for cleaning and coating electrically conducting surfaces |
| 09/24/1997 | CN1160362A Process for reducing concentration of multivalent cations in aqueous solutions |
| 09/23/1997 | US5670034 Reciprocating anode electrolytic plating apparatus and method |
| 09/18/1997 | DE19610441A1 Continuous electrolytic treatment of metal products |
| 09/17/1997 | EP0795200A1 Mounting electronic components to a circuit board |
| 09/03/1997 | EP0792950A1 Method of discharging settling solid particles and apparatus therefor |
| 09/03/1997 | EP0792463A1 Mounting spring elements on semiconductor devices, and wafer-level testing methodology |
| 08/14/1997 | WO1997015702A3 Device for chemical or electrolytic surface treatment of plate-like objects |
| 08/14/1997 | CA2197525A1 Plating waste water treatment and metals recovery method |
| 08/06/1997 | EP0787835A1 Method of controlling component concentration of plating solution in continuous elektroplating |
| 07/31/1997 | WO1997027349A1 Renegeration process and electrolysis apparatus for electrochemical purification of hexavalent chromium bath |
| 07/30/1997 | EP0786541A1 Process and apparatus for thermal process control during the electroplating of tools for the manufacture of CD/LD data supports |
| 07/30/1997 | EP0786021A1 Process for making copper foil |
| 07/17/1997 | WO1997025456A1 Process for maintaining a constant concentration of substances in an electroplating bath |
| 07/17/1997 | DE19601663C1 Continuous electrocoating bath |
| 07/17/1997 | DE19600857A1 Verfahren zur Dosierung von Prozeßbädern A process for the dosage of process baths |
| 07/10/1997 | WO1997015704A3 Electroplating plant |
| 07/08/1997 | US5645706 Phosphate chemical treatment method |
| 07/03/1997 | WO1997023665A1 Process and circuitry for generating current pulses for electrolytic metal deposition |
| 07/03/1997 | CA2241055A1 Method and circuit arrangement for generating current pulses for electrolytic metal deposition |
| 07/02/1997 | EP0781864A1 Chromium plating solution, solution waste from chromium plating and closed recycling system for chromic acid cleaning water in chromium plating |
| 06/19/1997 | WO1997021852A1 Method of forming an alloy layer |
| 06/19/1997 | WO1997016866A3 Chip interconnection carrier and methods of mounting spring contacts to semiconductor devices |
| 06/11/1997 | EP0777528A1 Process for reducing the concentration of multivalent cations in aqueous solutions |
| 06/10/1997 | US5637205 Process for the electrolytical coating of an object of steel on one or both sides |
| 06/05/1997 | DE19650334A1 Apparatus for electrolytic anodisation of an aluminium@ product |
| 06/04/1997 | EP0613398B1 Process, medium and device for electrodialytically regenerating the electrolyte of a galvanic bath or the like |
| 05/28/1997 | DE19539606A1 Treatment of plate-shaped objects, particularly electronic circuit boards |
| 05/27/1997 | US5632927 Carbon particles surface treated with a dye |
| 05/09/1997 | WO1997016866A2 Chip interconnection carrier and methods of mounting spring contacts to semiconductor devices |
| 05/07/1997 | DE19541099A1 Apparatus for electrolytic or chemical coating flat objects |
| 05/02/1997 | EP0667923B1 Method and apparatus for electrolytically plating copper |
| 05/01/1997 | WO1997015704A2 Electroplating plant |
| 05/01/1997 | WO1997015702A2 Device for chemical or electrolytic surface treatment of plate-like objects |
| 04/30/1997 | DE19645148A1 Vorrichtung zur Steuerung der Konzentration einer Mehrkomponenten-Plattierungslösung An apparatus for controlling the concentration of a multicomponent plating solution |
| 04/30/1997 | DE19539866A1 Apparatus for electrolytic or chemical coating flat objects |
| 04/30/1997 | DE19539865A1 Durchlauf-Galvanikanlage Pass electroplating plant |
| 04/30/1997 | DE19539833A1 Removing tin compounds from aqueous solutions |
| 04/30/1997 | DE19539760A1 Water dosing unit for rinsing systems |
| 04/29/1997 | US5624541 Spray mist inhibitors for basic electrolysis baths |
| 04/23/1997 | EP0694090B1 Process and device for the electrolytic surface coating of workpieces |
| 04/15/1997 | US5620581 Apparatus for electroplating metal films including a cathode ring, insulator ring and thief ring |
| 04/03/1997 | WO1997012077A1 Method of discharging settling solid particles and apparatus therefor |
| 04/02/1997 | CN1146493A Treating method and device for deposited anode mud in electroplate solution cantaining halogen ions |
| 03/27/1997 | WO1997011211A1 Method of removing acid formed during cathodic electrodip coating |
| 03/27/1997 | DE19536635A1 Recovery of metals, primarily from rinsing waters |
| 03/26/1997 | EP0571481B1 Bearings |
| 03/25/1997 | US5614037 Curing phenolic resin |
| 03/20/1997 | WO1996038858A3 Method and probe card for testing semiconductor devices |
| 03/20/1997 | DE19534534A1 Verfahren zur Entfernung der bei der kathodischen Elektrotauchlackierung freigesetzten Säure A process for the removal of the liberated in cathodic electrodeposition coating acid |
| 03/12/1997 | EP0452471B1 Protection of lead-containing anodes during chromium electroplating |
| 03/11/1997 | US5609747 Method of dissolving zinc oxide |
| 02/26/1997 | CN2248193Y Automatic regulating instrument for electroplating current density |
| 02/25/1997 | US5605615 Method and apparatus for plating metals |
| 02/18/1997 | US5603815 Electrochemical fluidized bed coating of powders |
| 02/11/1997 | US5601740 Method and apparatus for wirebonding, for severing bond wires, and for forming balls on the ends of bond wires |
| 02/04/1997 | US5599458 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 |
| 01/30/1997 | WO1997003230A1 Electrolytic plating apparatus and method |
| 01/23/1997 | WO1997002724A1 Procedure and device for the chemical and electrolytic treatment of printed circuit boards and films |
| 01/23/1997 | CA2225829A1 Method and device for chemical and electrolytic treatment of printed circuit boards and conductor films |