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