| Patents for C25D 21 - Processes for servicing or operating cells for electrolytic coating (5,798) |
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| 01/14/1997 | US5593627 Electrolytic treatment of an electrolytic solution |
| 01/09/1997 | DE19524523A1 Anwendung eines Verfahrens und einer Vorrichtung zum Behandeln von Fluiden in der Leiterplattentechnik Use of a method and an apparatus for treating fluids in the circuit board art |
| 01/02/1997 | DE19502440A1 Purifying waste water esp. water from photographic industry, electroplating, eloxal process or neutralisation |
| 12/25/1996 | CN1138639A Electroplating current density automatic regulating meter |
| 12/25/1996 | CN1138638A Method and appts. for metal layer by electrolytic deposition |
| 12/11/1996 | EP0746640A1 Method of electrolytically depositing metals from electrolytes containing organic additives |
| 12/05/1996 | WO1996038858A2 Method and probe card for testing semiconductor devices |
| 12/03/1996 | US5580613 Melting zinc, adding nickel to molten zinc, dispersing on the surface of zinc, a borax and sodium carbonate flux containing fused salt former, alloying, casting, dropping in water or atomizing |
| 11/28/1996 | WO1996037931A1 Spring element electrical contact and methods |
| 11/28/1996 | WO1996037334A1 Method and apparatus for shaping spring elements |
| 11/28/1996 | WO1996037333A1 Ribbon-like core interconnection elements |
| 11/28/1996 | WO1996037332A1 Fabricating interconnects and tips using sacrificial substrates |
| 11/28/1996 | WO1996037331A1 Wire bonding, severing, and ball forming |
| 11/28/1996 | DE19620781A1 Assembly for component surface treatment |
| 11/27/1996 | CN2241152Y Electrolyte circuit electroplating bath |
| 11/26/1996 | CA2087584C Electrode and method for measuring levelling power |
| 11/21/1996 | DE19547948C1 Mfg. unipolar or bipolar pulsed current for plating esp. of circuit boards at high current |
| 11/20/1996 | CN1136091A Method and apparatus for regenerating sulfate electrolyte in galvanization of band steel |
| 11/13/1996 | CN1135774A Ultrasonic ossilator |
| 11/12/1996 | US5573652 Apparatus for continuously dissolving metal powder for use in plating and method of dissolving nickel metal using same |
| 11/07/1996 | WO1996034993A1 Preparation of pre-coated aluminum alloy articles |
| 10/30/1996 | EP0739995A1 Use of a Zn-Ni alloy for preparation of Zn-Ni alloy hot-dip galvanizing bath |
| 10/24/1996 | DE4244823C2 Values and water recovery from aq. process liq. |
| 09/19/1996 | DE19509646A1 Electroplating plant with separate rinsing liq. supply |
| 09/19/1996 | DE19509575A1 Working up waste mixt. to separate zinc and chromium fractions |
| 09/11/1996 | EP0730678A1 Ultrasonic agitator |
| 09/04/1996 | EP0586456B1 Method for preventing evaporation of a liquid from a basin and spreading of particulate material carried by vapor drops to the surroundings |
| 08/28/1996 | EP0728853A1 Process and apparatus for regenerating a sulfate electrolyte in galvanizing steel strips |
| 08/24/1996 | CA2168523A1 Method and plant for regenerating sulfate electrolyte in steel strip galvanizing processes |
| 08/15/1996 | WO1996024707A1 Method and device for galvanizing plate-shaped products in horizontal continuous plants |
| 08/14/1996 | EP0726337A1 Process for preparing a non-conductive substrate for electroplating |
| 08/14/1996 | DE19504592A1 Immersion instrument for electroplating baths |
| 08/08/1996 | DE19504517C1 Verfahren zum Galvanisieren von plattenförmigem Behandlungsgut in horizontalen Durchlaufanlagen sowie Vorrichtung zur Durchführung des Verfahrens A method for electroplating plate-shaped material to be treated in horizontal flow systems and apparatus for carrying out the method |
| 08/01/1996 | WO1996022831A2 Method and apparatus for delivering electromagnetic energy into a solution |
| 07/16/1996 | US5536386 Modified carbon particles |
| 07/16/1996 | US5536377 Galvanizing magazine for coating work pieces |
| 07/11/1996 | WO1996021341A1 Method and device for the treatment of plate-shaped workpieces having small holes |
| 06/18/1996 | US5527017 Apparatus for dissolving zinc by means of acid-containing liquid electrolytes |
| 06/12/1996 | EP0715660A1 Electrolytic treatment of material |
| 06/12/1996 | EP0555329B1 Articles having a hydrophilic polymeric shell and method for preparing same |
| 06/06/1996 | WO1996017378A1 Electrical contact structures from flexible wire |
| 05/30/1996 | WO1996016440A1 Interconnection elements for microelectronic components |
| 05/30/1996 | DE4442160A1 Recovery device for liquids adhering to pourable particles |
| 05/23/1996 | WO1996015551A1 Mounting electronic components to a circuit board |
| 05/23/1996 | WO1996015459A1 Mounting spring elements on semiconductor devices, and wafer-level testing methodology |
| 05/23/1996 | WO1996015458A1 Probe card assembly and kit, and methods of using same |
| 05/14/1996 | US5516414 Method and apparatus for electrolytically plating copper |
| 05/14/1996 | US5516412 Vertical paddle plating cell |
| 05/02/1996 | DE19507066C1 Removing residual nickel@ from used electroless nickel@ coating bath |
| 05/01/1996 | EP0709495A1 Process for controlling the thickness of an electrodeposited coating on a metallic workpiece |
| 04/25/1996 | DE4437695A1 Multistage cascade rinsing with full or partial return of the process solutions carried off |
| 04/25/1996 | CA2161189A1 Process for controlling the thickness of an elecrodeposit coating on a piece of metal |
| 04/24/1996 | CN1121361A Process for making copper foil |
| 04/23/1996 | US5510014 Method for regenerating tin or tin alloy electroplating |
| 04/10/1996 | EP0705920A1 Mistspray inhibitor for alkaline electrolytic baths |
| 04/10/1996 | EP0705793A1 Procedure for treatment of zinc and chronium containing mixtures like waste water, process water, galvanic sludges, or similar |
| 04/08/1996 | CA2159860A1 Spray mist inhibitors for basic electrolysis baths |
| 04/02/1996 | US5503730 Method for anodic oxidation |
| 04/02/1996 | US5503726 Plating apparatus |
| 03/20/1996 | EP0701481A1 Method for treatment of aqueous effluents containing metallic cations |
| 03/14/1996 | DE4435774C1 Sepn. of zinc from solns. and slurries contg. chromium, esp. waste water or galvanic slurry |
| 03/12/1996 | US5498325 Soluble and insoluble conductors |
| 03/07/1996 | WO1996006677A1 Process for reducing the concentration of multivalent cations in aqueous solutions |
| 03/07/1996 | CA2198505A1 Process for reducing the concentration of multivalent cations in aqueous solutions |
| 02/13/1996 | CA1338051C Method of electrolytic metal coating of a strip-shape metal substrate and apparatus for carrying out the method |
| 02/01/1996 | WO1996002687A1 Electrolytic plating apparatus and method |
| 02/01/1996 | DE4438208C1 Appts. for electroplating of components in drum baths |
| 01/31/1996 | EP0694090A1 Process and device for the electrolytic surface coating of workpieces |
| 01/25/1996 | DE19525509A1 Removal of breakdown products from electroplating baths |
| 01/11/1996 | WO1995023247A3 Method of electrolytically depositing metals from electrolytes containing organic additives |
| 01/11/1996 | DE4423630A1 Appts. for treating components in the course of galvano-technical processing |
| 01/10/1996 | EP0690934A1 Process and device for electrolytic precipitation of metallic layers |
| 01/10/1996 | EP0584096B1 Process for electrolytically coating a steel object on one or both sides |
| 01/02/1996 | US5480675 Multilayer wires for printed circuits, depressurization and swinging |
| 12/26/1995 | US5478461 Subjecting bath to reduction to render it unable to be used |
| 12/21/1995 | DE4421010A1 Cleaning components during galvano-technical processing |
| 12/14/1995 | WO1995033872A1 Electrolytic treatment of material |
| 12/14/1995 | CA2168122A1 Electrolytic treatment of material |
| 12/13/1995 | EP0686710A2 Rack for plating components |
| 12/12/1995 | US5474661 Compressed diaphragm and electrolytic cell |
| 12/07/1995 | DE4419653A1 Appts. for galvano-technical processing of components |
| 12/05/1995 | US5472592 Comprising a shaft rotatably mounted in the tank, an arm on shaft and a fixture received the substrate for driving fixture rotation, exposing to circulated electrolyte and depositing uniformly |
| 11/15/1995 | CN1111682A Process for treating waste liquid in surface treatment of aluminum materials |
| 11/08/1995 | EP0595879B1 Coating substrates |
| 10/24/1995 | CA2045078C Hydrodynamically modulated hull cell |
| 10/18/1995 | EP0533852B1 Improvements to current generation and control systems for electrolytic processes |
| 09/28/1995 | DE4409831A1 Treatment of articles in aq. chemical bath |
| 09/26/1995 | US5453175 Protection of lead-containing anodes during chromium electroplating |
| 09/19/1995 | US5451323 Method for recovering and reproducing tinning liquid |
| 09/14/1995 | DE4408337A1 Electrodialysis of acid electroplating baths |
| 09/13/1995 | EP0671358A2 Preparation and use of an oxidation agent containing dihalogentetraoxide ions |
| 09/13/1995 | EP0445120B1 Device for applying and/or removing coatings on workpieces |
| 08/31/1995 | WO1995023247A2 Method of electrolytically depositing metals from electrolytes containing organic additives |
| 08/30/1995 | EP0669410A1 Apparatus for continuously dissolving metal powder for use in plating and method of dissolving nickel metal using same |
| 08/30/1995 | CN1107524A Apparatus for solving zinc by using of electrolyte of acid containing liquid |
| 08/23/1995 | EP0667923A1 Method and apparatus for electrolytically plating copper. |
| 08/17/1995 | WO1995021952A1 Process and device for the electrolytic surface coating of workpieces |
| 08/15/1995 | US5441628 Improved dissolving performance |
| 08/15/1995 | US5441620 Electroplating apparatus |
| 08/15/1995 | US5441619 Electroplating apparatus |