Patents for C25D 5 - Electroplating characterised by the process; Pretreatment or after-treatment of workpieces (17,883)
08/1991
08/21/1991WO1991013190A1 Device for masking off the flux lines in a galvanic bath
08/21/1991EP0276276B1 Method for manufacture of printed circuit boards
08/21/1991EP0222880B1 Electrochemical converters and combined cycle systems
08/21/1991CN1013591B Solution for high efficiency brush plating of abrasion-resisting chromium coating
08/21/1991CA2076365A1 Device for masking off the flux lines in a galvanic bath
08/17/1991WO1991012089A1 Method of attaching or detaching masking material
08/17/1991CA2051650A1 Method for the attaching and removing of a masking member
08/14/1991EP0441238A2 Electrodeposited invar composite foil
08/14/1991EP0441143A1 High frequency electrochemical repair of open circuits
08/14/1991EP0440984A2 Plated articles
08/13/1991US5039381 Method of electroplating a precious metal on a semiconductor device, integrated circuit or the like
08/08/1991WO1991011545A1 Highly wear-resistant sliding layer with improved sliding properties and process for producing it
08/08/1991DE4103116A1 Gleitelement mit hochverschleissfester gleitschicht mit verbesserten gleiteigenschaften und herstellungsverfahren hierzu Slider with High wear gliding surface with improved sliding properties and manufacturing processes this
08/06/1991US5037504 Transferring the image
08/06/1991CA2009442A1 Method of making a band for a band press
07/1991
07/31/1991CN2081843U Copperplating equipment for screw thread of petroleum drilling pipes
07/30/1991US5035918 Applying uniform layer of styrene acrylic copolymer, butyl cellosolve, butyl carbitol and water, and subjecting select areas to excimer laser
07/25/1991WO1991010758A1 A steel wire for the reinforcement of elastomers
07/17/1991EP0258283B1 Method for depositing on a substrate a wear-resistant decorative coating layer, and object produced according to this method
07/16/1991US5032467 Polyimides, bonding strength
07/16/1991US5032236 Electrolysis, oxidation, protective coating
07/16/1991CA1286102C Masking member
07/11/1991WO1991009992A1 Process for continuously applying electro-deposited manganese or manganese alloy coating to steel plate
07/10/1991EP0436282A2 Area-selective metallization process
07/09/1991US5030320 Spraying water to react by-product; air pollution control
07/09/1991CA1285857C Method of surface treating aluminum alloy
07/03/1991EP0435835A2 Process for electroplating zinc alloy and apparatus employed therefor
07/02/1991CA1285520C Electrolytic galvanizing process with controlled current density
06/1991
06/27/1991DE4023466C1 Electrical coating of steel strip - using zinc on zinc-nickel alloy then treating strip as anode in electrolyte soln.
06/26/1991CN2079833U Power supply equipment for electric brush plating
06/19/1991EP0433148A1 Process for making a metallic deposition on a carbon substrate and mirror obtained by this process
06/19/1991EP0432559A1 Process and apparatus for electrolytic welding
06/19/1991EP0432172A1 A METHOD OF PRODUCING A Zn-Fe GALVANNEAL COATING ON A STEEL SUBSTRATE AND THE PRODUCT THEREBY FORMED
06/18/1991US5024900 Composite nickel-phosphorus alloy plated metal sheet excellent in strippability and having high hardness and method for manufacturing same
06/18/1991US5024745 Apparatus for treating strip-shaped elements
06/18/1991US5024735 Applying electrolytes to image substrate, contacting with electrically conductive brush, vibration
06/18/1991US5024732 Method of and device for compensating variations of branch currents in electroplating baths
06/18/1991CA1284923C Fin of heat exchanger and method of making it
06/13/1991WO1991008584A1 Dotted contact solar cell and method of making same
06/13/1991WO1991008325A1 Process for direct galvanic metallisation
06/12/1991EP0431237A1 Direct deposition of gold on carbon fiber
06/12/1991EP0431228A1 Method of copper-nickel-chromium bright electroplating which provides excellent corrosion resistance and plating film obtained by the method
06/12/1991CN1012829B Improvement to metal wires used for reinforcing elastomeric material
06/11/1991US5023146 Black surface-treated steel sheet
06/11/1991CA1284763C Composition and method for metal surface refinement
06/06/1991DE3940407A1 Verfahren zur galvanischen direktmetallisierung Method for galvanic direct metallization
06/06/1991DE3940244A1 Plated composite material for coinage use - has base roll plated followed by thin electroplating layer
06/05/1991EP0430554A2 A mould and a manufacturing method thereof
06/04/1991US5021301 Method of producing a steel sheet plated with Zn-Mg alloy superior both in plating adhesion and corrosion resistance, and steel sheet plated with the same
06/04/1991US5021129 Multilayer structures of different electroactive materials and methods of fabrication thereof
06/04/1991US5021104 Steel strip for food packaging and process for production thereof
05/1991
05/30/1991WO1991007527A1 Device for reducing the concentration of field lines in an electroplating plant
05/30/1991WO1991007526A1 Method for directly electroplating a dielectric substrate and plated substrate so produced
05/29/1991WO1991008324A1 Metallization of non-conductors
05/29/1991EP0429260A1 A masking arrangement and masking methods
05/29/1991DE3939676A1 Metallisierung von nichtleitern Metallization of non ladders
05/28/1991US5019224 Electrolytic process
05/28/1991US5019222 Copper-Cobalt Alloy
05/28/1991US5018662 For fuel system of internal combustion engines; corrosion resistance
05/23/1991CA2030219A1 Mold and a manufacturing method thereof
05/18/1991CA2030099A1 Masking structure
05/16/1991DE3937926A1 Vorrichtung zum abblenden von feldlinien in einer galvanikanlage Apparatus for dim of field lines in a galvanizing plant
05/15/1991EP0427616A1 Nickel plating solution, nickelchromium electroplating method and nickel-chromium plating film
05/14/1991US5015538 Multilayer polymer metal composite formed by electrodeposition
05/14/1991US5015341 Galvanizing, annealing, cleaning a steel strip, electroplating with zinc, alloying with iron and cooling
05/14/1991US5015340 Method of continuous coating of electrically conductive substrates
05/14/1991US5015339 Electrodeposition a metal layer on a nonconductive layer, coating with a dispersion of carbon black
05/08/1991EP0417074A4 Electronic device fabrication by selective doping of a non-conductive polymer
05/08/1991CN1051205A Installation and process for electrolytic coating of metal strip
05/07/1991US5013410 Method of manufacturing an aluminum-plated steel sheet for cans
05/02/1991EP0425354A1 Process and apparatus for electroplating a metallic strip
05/02/1991EP0424863A1 Process for electrolytically depositing a metal layer resisting corrosion by hot gases
05/02/1991EP0424856A1 Method of producing a steel sheet plated with Zn-Mg alloy superior both in plating adhesion and corrosion resistance, and sheet plated with the same
04/1991
04/30/1991US5011581 Electrodeposition at cathode
04/30/1991US5011565 Dotted contact solar cell and method of making same
04/30/1991CA1283623C Ni-zn electroplated product resistant to paint delamination
04/28/1991CA2028664A1 Apparatus and process for electrolytic covering of a metal band
04/24/1991EP0423947A2 Process for electroplating electroactive polymers and articles derived therefrom
04/24/1991EP0423904A1 Improved anode assembly for selective plating apparatus
04/24/1991EP0423740A2 Organic composite coated steel strip having improved corrosion resistance and weldability
04/24/1991CN1050965A Method for direct metallization of conductire boards
04/18/1991WO1991003920A3 Plated-through printed circuit board with resist and process for producing it
04/17/1991EP0422094A1 Process for the preparation of porous metal
04/16/1991US5007990 Electroplating process
04/11/1991DE4024911A1 Electrolytic coating thick layers with embedded particles - using vibrated glass pearls inside electrolyte to ensure uniform distribution of embedded particles inside densely packed matrix
04/10/1991EP0421127A1 Apparatus for manufacturing circuit boards and process for operating it
04/09/1991US5006420 Electroplated steel sheet having a plurality of coatings, excellent in workability, corrosion resistance and water-resistant paint adhesivity
04/04/1991DE3932119A1 Bipolar lead-lead di:oxide electrode prodn. - by coating substrate foil in galvanic bath contg. carrier electrode(s) clamped between two metallic terminal electrodes
04/03/1991EP0420640A1 Process for electroplating and apparatus therefor
04/03/1991EP0419845A2 Method for preparing metallized polyimide composites
04/03/1991EP0419804A2 Multilayer structures of different electroactive materials and methods of fabrication thereof
04/03/1991EP0419678A1 Highly corrosion-resistant, double-coated steel sheet excellent in coatability and prevented from blistering in elecrodeposition coating and process for producing the same
03/1991
03/28/1991DE3931003A1 Direct metallisation of circuits boards
03/27/1991WO1991005085A1 Improvements related to coatings
03/27/1991EP0419069A2 System for selective laser assisted plating
03/27/1991CA2066590A1 Coatings
03/26/1991US5002649 Selective stripping apparatus
03/21/1991WO1991003583A1 Methods for depositing finish coatings on substrates of anodisable metals and the products thereof
03/21/1991DE3928832A1 Durchkontaktierte leiterplatte mit resist sowie verfahren zur herstellung derselben Plated-through circuit board with resist and process for making same
03/20/1991EP0417880A1 Process for treating surface of copper foil