Patents for C25D 3 - Electroplating; Baths therefor (11,896)
01/1991
01/01/1991US4981560 Electrolysis, sodium diethylenetriaminepentaacetate
12/1990
12/27/1990EP0404188A1 Non-aqueous electrolytic aluminum plating bath composition
12/27/1990EP0404179A1 Method for producing ambient temperature molten salt
12/27/1990EP0382712A4 Method of coating articles of aluminum and an electrolytic bath therefor
12/25/1990US4980035 Bath for electrolytic deposition of a gold-copper-zinc alloy
12/20/1990DE3919072C1 Fibrous frame plates used as cathode active material carrier - consist of copper coated and then lead coated electrolyte insol. fibres of polyethylene fleece
12/19/1990EP0402896A2 Method of stabilising an organic additive in an acid copper electroplating solution
12/19/1990EP0402761A1 Organoaluminum electrolytes and process for the electrolytic deposition of aluminum
12/19/1990EP0402760A1 Organoaluminum electrolytes for the electrolytic deposition of high-purity aluminum
12/18/1990CA1277948C Treatment for copper foil
12/12/1990EP0402270A1 System and installation for the continuous/intermittent coating of objects by passing them through a bath of liquid metallic coating material
12/12/1990CN1010790B Colour chrome-plating
12/10/1990WO1990015166A1 Method, housing and plant for the continuous/intermittent coating of objects by passing said objects through a liquid mass of a coating product
12/04/1990US4975159 Copper salt, inorganic acid and alkoxylated lactam; reinforcing electroconductivity of printed circuit
12/04/1990US4974816 Controlling oxidation
12/04/1990CA1277283C High-speed electrolysis cell for processing strip- shaped material
11/1990
11/27/1990US4973389 Process for making a high temperature-resistant metal layer on a ceramic surface
11/22/1990EP0398358A2 Aluminum electroplating method
11/22/1990EP0397663A1 Electrodeposition of tin-bismuth alloys.
11/14/1990EP0396610A1 Electrochemical processes
11/07/1990EP0396227A2 Magnetic devices with enhanced poles
11/07/1990EP0396056A2 Treatment of copper foil for printed circuits
11/06/1990US4968391 Process for the preparation of a black surface-treated steel sheet
10/1990
10/31/1990EP0395542A1 Process and apparatus for continuously electroplating electrically conducting materials at high speed
10/31/1990EP0395111A2 Method of manufacturing high magnetic flux density electrodeposited quarternary alloy thin film
10/31/1990EP0227820B1 Treatment for copper foil
10/31/1990EP0204708B1 Electrodeposition of an iron-zinc alloy coating
10/30/1990US4966660 Using bath of melted aluminum bromide, chloride or iodide with n-alkylpyridinium halide; pretreatment, activation
10/30/1990US4966659 After activation of surface by anodic treatment
10/24/1990CN1010108B Erosion resistant composite silver coating by electrodeposition
10/17/1990CN1046198A Production technique of cyanogenless continuous copper plating
10/17/1990CN1010035B Tin-free steel strips useful in the mfr. of welded cans and process for making
10/17/1990CN1010034B Plated layer for imitation ancient bronze
10/17/1990CN1010033B Additive for chrome-plating and its application process
10/10/1990EP0390967A2 Aqueous acid bath for electrodepositing bright and crack-free copper and its use
10/09/1990US4962004 Method of inhibiting electrochemical reduction of polyimide during electroplating and articles formed thereby
10/02/1990US4960653 Method of copper-nickel-cromium bright electroplating which provides excellent corrosion resistance and plating film obtained by the method
09/1990
09/27/1990DE3909811A1 Use of at least one organic sulphinic acid and/or at least one alkali metal salt of an organic sulphinic acid as an agent ...
09/26/1990EP0388933A2 Alloy bonded indium bumps and methods of processing same
09/18/1990US4957594 Process for producing a zinc or zinc alloy coated steel sheet having excellent spot weldability
09/13/1990DE3907828A1 Process for coating medical and dental instruments
09/04/1990US4954226 Additive plating bath and process
09/04/1990CA1273600A1 Surface-treated steel strip having improved weldability and process for making
08/1990
08/29/1990EP0384679A1 Electrolytic deposition of gold-containing alloys
08/29/1990EP0384579A1 Apparatus including electrical contacts
08/29/1990EP0384227A1 Bath for the galvanic deposition of pure gold coatings
08/29/1990EP0384194A2 Dimensionally stable anodes and their use in the production of alkalidichromates and chromic acid
08/29/1990EP0384146A2 Positive original template for galvanoplastic shape of metallic foils
08/28/1990US4952287 Electrolytic galvanizing processes
08/24/1990CA2008575A1 Metal foil as packing for sheet-guiding cylinders and/or drums on rotary printing machines
08/22/1990EP0382712A1 Method of coating articles of aluminum and an electrolytic bath therefor
08/21/1990US4950551 Being electroplated aluminum of purity greater than 99.99 percent
08/21/1990CA1272911A1 Steel substrate with brass covering layer for adhesion to rubber and method for the manufacture thereof
08/18/1990CA2010221A1 Dimensionally stable anodes and their use in the preparation of alkali metal dichromates and chromic acid
08/15/1990CN1044680A Cobalt-nickel-phosphorus non-crystalline alloy plating solution and coat
08/14/1990US4948475 Ion barrier layer on metals and nonmetals
08/14/1990US4948474 Containing a water solublecoppper salt, a free acid, and a brightener,which is a trithiocarbamate derivative
08/08/1990EP0381511A1 Colour change devices incorporating thin anodic films
08/08/1990CN1044503A Prodn. technology of sn-ce alloy plated copper strip and prodn. line thereof
08/01/1990EP0379948A2 Aqueous acid solutions for the electrodeposition of tin and/or lead/tin alloys
07/1990
07/31/1990CA1272160A1 Gold alloy plating bath and process
07/31/1990CA1272159A1 Chrome electro plating tin-free steel with intervening anodic treatment
07/24/1990CA1271959A1 Zinc-cobalt alloy electrolyte and process
07/18/1990CN1008823B Process and equipment of continuos nickel film coating on metal wire
07/11/1990CN1043755A Plating solution for brush-plating pb-sn-cu antiwear film by electric-brush plating method
07/10/1990US4940639 Zn-Ni alloy-plated steel sheet with improved impact adhesion
07/03/1990CA1271158A1 Chromium-iron alloy plating from a solution containing both hexavalent and trivalent chromium
06/1990
06/27/1990EP0375225A2 Palladium alloy plating process
06/27/1990EP0375180A2 Additive plating bath and process
06/27/1990EP0375179A2 Copper plating process for difficult to plate metals
06/26/1990US4936965 Insoluble anode with iridium oxide surface film
06/20/1990CA2003861A1 Palladium alloy plating process
06/19/1990US4935310 Copper foil for a printed circuit and a method for the production thereof
06/19/1990US4934968 Nickel plated contact surface having preferred crystallographic orientation
06/13/1990CN1008379B Pre-plating process before bright acid copper-plating of steel parts
06/12/1990US4933051 Improved resistance to degradation
06/12/1990US4933023 Method for manufacture of non-allergy creating precious metal objects
06/12/1990US4932518 Method and apparatus for determining throwing power of an electroplating solution
06/06/1990CN1042738A Purification process for zinc-nickel alloy plating of hydraulic mine props
05/1990
05/29/1990US4930001 Alloy bonded indium bumps and methods of processing same
05/22/1990US4927506 High-performance electrodeposited chromium layers formed at high current efficiencies
05/22/1990CA1269344A1 Tin-lead alloy plating bath
05/22/1990CA1269343A1 Process for the deposition of palladium-nickel alloy
05/16/1990CN1042196A Method for making copper-carbon fibre complex material and support electrode in power semiconductor appliances
05/15/1990US4925536 Processes for adhesion-bonding between metallic materials and galvanic aluminum layers and non-aqueous electrolytes employed therein
05/08/1990US4923576 A phenanthroline quinoline or pyridine deposit control agent
05/08/1990US4923575 Aqueous alkaline bath and process for electrodeposition of a zinc-iron alloy
05/08/1990US4923573 Method for the electro-deposition of a zinc-nickel alloy coating on a steel band
05/02/1990EP0366268A1 Improvements related to coatings
05/02/1990EP0365969A1 Method for continuously electro-tinplating metallic material
04/1990
04/26/1990DE3833487A1 Contact element having a nickel-containing protective layer
04/25/1990CN1007739B Method for preparation of an alkaline electrogalvanize bright agent
04/25/1990CN1007738B Negative pole
04/25/1990CN1007737B Active cathode with porous nickel plating and preparation thereof
04/24/1990CA1268191A1 Lock for loading and unloading goods into a treatment apparatus having a protective atmosphere
04/24/1990CA1268184A1 Electroplating composition and process and surfactant compound for use therein
04/19/1990WO1990004048A1 A method, bath and cell for the electrodeposition of tin-bismuth alloys
04/18/1990CN1041400A Improvements related to coatings
04/11/1990EP0362981A1 Aqueous electroplating bath and method for electroplating tin and/or lead
04/10/1990CA1267655A1 SULFATES AND SULFO-DERIVATIVES OF .beta.-NAPHTHOL POLYGLYCOL ETHERS AND ACID ZINC BATHS CONTAINING THESE COMPOUNDS