Patents for C25D 5 - Electroplating characterised by the process; Pretreatment or after-treatment of workpieces (17,883)
05/1990
05/03/1990DE3934112A1 Steel products with heat and corrosion resistance - have 0.2-10 micron coating of nickel, zinc layer and chromate film
05/03/1990DE3934111A1 Stahlerzeugnis mit waermebestaendigen, korrosionsbestaendigen ueberzugsschichten Steel product with waermebestaendigen, korrosionsbestaendigen coating layers
05/02/1990EP0366268A1 Improvements related to coatings
05/01/1990US4921583 Belt plating method and apparatus
04/1990
04/26/1990DE3833487A1 Contact element having a nickel-containing protective layer
04/25/1990EP0364688A1 Process and apparatus for manufacturing partially metallised foils
04/25/1990EP0364596A1 METHODS FOR PRODUCING Zn-Ni ALLOY-PLATED STEEL SHEET HAVING EXCELLENT PRESS MOLDABILITY
04/24/1990US4919769 Scraping outer surface, using a first copper phosphate and a second copper sulfate electroplating baths
04/24/1990US4919768 Electrodeposition of platinum group sulfides
04/19/1990WO1990004049A1 Process for improving wear on conductor rolls in electroplating of steel surfaces
04/18/1990EP0364013A1 Method and apparatus for the electrolytic coating of one side of a moving metal strip
04/18/1990CN1041400A Improvements related to coatings
04/17/1990US4917779 Electrolysis, forming anodic oxide film on zinc substrate, dipping in plastic dispersion
04/17/1990US4917778 Process for the corrosion protection of neodymium-iron-boron group sintered magnets
04/11/1990CN1007575B Strippable common strip
04/10/1990CA1267630A1 Electroplating tape and method for using
04/05/1990WO1990003457A1 Method for plating on titanium
04/04/1990EP0361451A1 Process for producing a thin alloy film having high saturation magnetic flux density
04/04/1990EP0277118B1 Removable commoning bar
04/04/1990CA2001851A1 Masking member
04/03/1990US4913785 Process for hot-dip metal-coating poorly wettable steel sheets
04/03/1990US4913746 Method of producing a Zn-Fe galvanneal on a steel substrate
03/1990
03/28/1990EP0360192A1 A process for manufacturing a grain chill roller
03/28/1990EP0360112A2 An article molded from a polycarbonate composition having improved platability
03/27/1990US4911991 Corrosion resistant coating of zinc and nickel alloy
03/27/1990US4911813 Apparatus for selectively plating interior surfaces of electrical terminals
03/21/1990CN1040633A Method of reducing weight loss of lead and lead-alloy anodes in chromium electroplating bath
03/21/1990CN1040632A Low-cost high brightness electroplating technology
03/20/1990US4910096 Cold-rolled steel strip with electrodeposited nickel coating exhibiting a great diffusion depth
03/20/1990US4910095 Protective coating on steel; plating matrix of zinc, or alloy there of, with fine solid particles encapsulated in a thin membrane
03/20/1990US4910094 Heating, diffusion, exposure
03/13/1990US4908280 First layer of nickel iron alloy with nickel coating, second layer of nickel phosphorus alloy with nickel coating
03/13/1990US4908279 Multilayer electroplated steel sheet
03/13/1990US4908106 Electroplating of fine particles with metal
03/13/1990CA1266592A1 Metallized polymers
03/08/1990WO1990002043A1 A METHOD OF PRODUCING A Zn-Fe GALVANNEAL COATING ON A STEEL SUBSTRATE AND THE PRODUCT THEREBY FORMED
03/07/1990EP0357326A2 Inhibiting corrosion of lead or lead-alloy anodes in a chromium electroplating bath
03/06/1990US4906533 Aluminum-plated steel sheet for cans
02/1990
02/28/1990EP0355430A2 Fraction-subjected aluminium component
02/27/1990US4904544 Zn-based composite-plated metallic material and plating method
02/27/1990US4904498 Method for controlling an oxide layer metallic substrates by laser
02/27/1990US4904364 Anode assembly for selectively plating interior surfaces of electrical terminals
02/27/1990US4904363 Connector pins on flexible conveyor belts contacting two tanks of metal baths
02/27/1990US4904354 Akaline cyanide-free Cu-Zu strike baths and electrodepositing processes for the use thereof
02/27/1990US4904353 Sunshades
02/27/1990US4904352 Electrodeposited multilayer coating for titanium
02/21/1990CN1039851A Process for the preparation of porous metal
02/21/1990CN1006857B Technique for centrifugal fling-spray application of anticorrosion coating over electroplated coating and equipment therefor
02/20/1990US4902388 Method for electroplating nickel onto titanium alloys
02/20/1990US4902387 Chromate-treated zinc-plated steel strip and method for making
02/13/1990US4900406 Method of electrolytic metal coating of a strip-shape metal substrate and apparatus for carrying out the method
02/08/1990WO1990001080A1 A steel wire for the reinforcement of elastomers
02/08/1990DE3824260A1 Dipping process and appliance for electrolytic coating of boards, especially of electrical printed circuit boards
02/07/1990EP0353749A2 Method of producing a galvannealed steel strip
02/07/1990CN1039407A Table lamp and the preparation method thereof
02/07/1990CN1006694B Surface treated steel strip having improved weldability and process for making
02/06/1990US4898650 Vaporization of impurities
01/1990
01/31/1990EP0352721A2 Process for galvanically metallizing a substrate
01/31/1990EP0352399A1 Process for the chemical after-treatment of steel-strip surfaces
01/30/1990US4897317 Corrosion resistant Zn-Cr plated steel strip
01/30/1990US4897164 Treating deposited carbon black particles with aqueous alkaline alkali metal borate solution before microetching
01/24/1990EP0351909A1 A steel wire for the reinforcement of elastomers
01/24/1990CN1039073A Process for the preparation of porous metal
01/23/1990US4895771 Nickel, gold, palladium-nickel alloy, gold
01/23/1990US4895739 Pretreatment for electroplating process
01/23/1990US4895633 Method and apparatus for molten salt electroplating of steel
01/23/1990US4895632 Device for providing a stripe shaped coating on an elongated conductive strip by an electrolytic process
01/23/1990US4895625 Method for producing a galvanically deposited protection layer against hot gas corrosion
01/17/1990EP0350648A2 Process for the production of highly temperature-resistant copper coatings on inorganic dielectrics
01/16/1990US4894125 Multilayer chromium absorbers for solar radiation
01/16/1990US4894124 Electroless deposition of nickel or cobalt, electrodeposition of copper, multilayer
01/11/1990WO1990000208A1 Process for the preparation of porous metal
01/10/1990EP0350048A2 Zn-Ni alloy-plated steel sheet with improved impact adhesion and a manufacturing process therefor
01/09/1990US4892626 Method for plating one side of a woven fabric sheet
01/09/1990US4892141 Fin of heat exchanger and method of making it
01/02/1990US4891106 Electrodeposition in periodic reverse current-pulse manner
01/02/1990US4891069 Catalyst for reduction of metal compound by generated hydrogen
12/1989
12/26/1989US4889601 Selective absorption film of a solar heat collector
12/20/1989EP0346981A1 Method of electrolytic metal coating of a strip-shape metal substrate and apparatus for carrying out the method
12/20/1989EP0346888A1 Tin whisker-free tin or tin alloy plated article and coating technique thereof
12/13/1989CN1006079B Intensification technical for low-temp.-plating-iron with ion-bombardment permeating
12/12/1989US4886712 Coated with semiconducting oxide on inner surface
12/12/1989US4886585 Using bath containing silver cyanide, potassium cyanide and potassium carbonate
12/06/1989EP0344385A1 Method and apparatus for molten salt electroplating of steel
12/06/1989EP0344160A1 Process and device for the electrolytic dip-coating of plates, in particular electric printed circuit boards
12/05/1989US4885215 Hardness, workability, corrosion resistance, weatherproofing; for automobiles
12/05/1989US4885071 Apparatus for continuous electrolytic treatment of metal strip and sealing structure for electrolytic cell therefor
11/1989
11/29/1989CN1037552A Composite processing technology for resisting corrosion
11/28/1989CA1263338A1 Metal coated filaments, process for their production, and articles made therefrom
11/23/1989EP0342621A1 Immersion process and apparatus for electroplating boards, particularly electric printed-circuit boards
11/23/1989EP0342585A1 Coated steel sheets and process for producing the same
11/21/1989US4882026 Dielectric block plating apparatus
11/15/1989EP0341546A2 Process for depositing an adherent metal layer on titanium or its alloys
11/15/1989EP0341456A2 Process for electrolytically depositing a metal layer resisting corrosion by hot gases
11/15/1989CN1037224A Cases for clock and watch and the processes of manufacturing the same
11/07/1989US4879185 Bubbles
11/07/1989US4879158 Masking member
11/07/1989US4879015 Method and manual apparatus for the semimechanical galvanizing of sheet metal surfaces
11/07/1989US4879007 Shield for plating bath
11/02/1989WO1989010336A1 Superconducting ceramics by electrodeposition