Patents for C25D 11 - Electrolytic coating by surface reaction, i.e. forming conversion layers (8,800)
02/1985
02/05/1985US4497699 Method of treating foil for electrolytic capacitors
01/1985
01/29/1985US4496432 Electrolytic methods for enhancing contrast between metallic surfaces
01/29/1985US4496236 Sealed by impregnation with metal salt of a fatty acid
01/23/1985EP0132226A1 Process for the continuous pretreatment of an aluminium ribbon or foil by electrochemical oxidation
01/23/1985EP0131960A2 Process for producing cold rolled steel strip highly susceptible to conversion treatment
01/23/1985EP0131926A1 Process for producing aluminum support for lithographic printing plate
01/22/1985US4495008 Protective coatings of zinc and chromate; corrosion resistance
01/16/1985EP0131274A2 Process for preparing surface-treated steel strips adapted for electric resistance welding
01/08/1985US4492740 Chromium oxide on iron
01/08/1985US4492616 Process for treating aluminum oxide layers and use in the manufacture of offset-printing plates
12/1984
12/27/1984EP0129338A2 Electrolytic treatment method
12/20/1984WO1984004934A1 Method and plants for the continuous unilateral anodic oxidation of aluminium bands and utilization thereof to make offset printing plates
12/18/1984US4488941 Electroplating method for producing porous tantalum capacitor electrode
12/18/1984CA1179628A1 Steel sheet with thin tin electroplate and hydrated chromium oxide
12/18/1984CA1179505A1 Method and apparatus for the gaseous reduction of iron ore to sponge iron
12/12/1984EP0127774A2 Process for protecting anodised aluminium
12/11/1984US4487812 Magnetic amorphous alloy sheet having a film thereon
12/11/1984US4487666 Measurement of capacitance between cathode and value metal bodies immerged in electrolytes
12/11/1984CA1179294A2 Aluminum lithographic plate with visible image and process
12/04/1984US4486513 Anodizing
11/1984
11/22/1984WO1984004549A1 Protective coating composition and process for aluminum and aluminum alloys
11/20/1984US4483906 Copper foil for a printed circuit and a method for the production thereof
11/20/1984US4483751 Process of treating a nodic oxide film, printed wiring board and process of making the same
11/20/1984US4483750 Sulfuric acid, direct current
11/13/1984CA1177774A1 Chromium plated steel sheet with lacquer of epoxy and phenolic resins for bonded cans
11/13/1984CA1177703A1 Process for treating the surfaces of aluminum heat exchangers
11/06/1984US4481084 Low current density, high crystalline oxide barrier layer
11/06/1984US4481083 For high voltage electrolytic capacitors
11/06/1984CA1177372A1 Cleanser for anodized surfaces of aluminum and alloys thereof
10/1984
10/31/1984EP0123631A1 Method and apparatus for electrolytically treating the surface of elongate metal articles
10/23/1984US4478689 Automated alternating polarity direct current pulse electrolytic processing of metals
10/17/1984EP0122129A2 Process for sealing anodised aluminium
10/17/1984EP0121880A1 Two-step process for the production of anodically oxidized flat materials of aluminium, and their use in the preparation of offset printing plates
10/17/1984EP0121817A1 Method for producing tin-free steel sheets having improved lacquer adhesion
10/10/1984EP0121361A1 Colouring process for anodized aluminium products
10/10/1984EP0121150A1 Piece of aluminium material, preferably an aluminium plate, and process for producing the same
10/09/1984CA1175775A1 Process for electrolytically colouring aluminium and the alloys thereof
10/03/1984EP0120119A2 Sealing thick anodic coatings on aluminium substrates
10/02/1984CA1175384A1 Lithographic printing plates
09/1984
09/25/1984US4473446 Chromic acid-fluoride anodizing surface treatment for titanium
09/19/1984EP0118740A2 Plate, foil or web-like materials made of mechanically and electrochemically grained aluminium, process for their manufacture and their use as supports for lithographic printing plates
09/19/1984EP0118480A1 Recompression process.
09/18/1984US4471883 Welded can and process for preparation thereof
09/12/1984EP0118395A2 Process for inhibiting corrosion of metallic surfaces and/or scale deposits thereon
09/11/1984US4470885 Process for treating aluminum electrolytic capacitor foil
09/11/1984US4470884 Protective coatings
09/04/1984US4469485 Use of the 1:2 chromium complex of 1-amino-2-(3', 5'-dinitro-2'-hydroxyphenylazo)-4-sulfonaphthalene and alkali metal salts thereof for dyeing polyamides and oxide layers on aluminum and aluminum alloys
08/1984
08/30/1984WO1984003366A1 Anodized electrostatic imaging surface
08/28/1984US4468292 Production of highly rust resistant tinplate sheets for welded cans
08/14/1984US4465562 Process for surface treatment of aluminum article
08/14/1984CA1172598A1 Decorated anodized aluminum and method
08/08/1984EP0114943A1 Process of plating on anodized aluminium substrates
08/02/1984WO1984002931A1 Tin-free steel plate with excellent paint adherability
07/1984
07/31/1984US4462871 Epitaxial thinning process
07/25/1984EP0113862A1 Electrolytic colouring
07/10/1984US4459181 Semiconductor pattern definition by selective anodization
07/05/1984WO1984002456A1 Cooking vessels, made of aluminium or alloys thereof, as well as a process for the manufacture thereof
07/04/1984EP0112695A1 Method for making a multicoloured member
07/04/1984EP0112439A2 Process for the anodic oxidation of aluminium alloys
06/1984
06/26/1984US4456506 Superconducting circuit fabrication
06/26/1984CA1169806A1 Surface treated steel materials
06/19/1984US4455355 Lacquer adhesion
06/19/1984US4455201 Bath and method for anodizing aluminized parts
06/12/1984US4454008 Electrochemical method for producing a passivated junction in alloy semiconductors
06/05/1984US4452674 Electrolytes for electrochemically treated metal plates
05/1984
05/29/1984US4451335 Method for producing full color images on aluminum
05/22/1984US4450049 Method of forming tantalum capacitor anodes and making the capacitors
05/15/1984US4448647 Anodizing with electrolyte mixture of water soluble organic acid and inorganic acid
05/15/1984US4448475 Method and apparatus for treatment of tinned metal surfaces and treated tinned metal surface
05/01/1984US4446221 Anodized supports and radiation sensitive elements therefrom
05/01/1984US4445983 Sealing anodically produced oxide layers, on aluminum
05/01/1984US4445982 Process for producing a design composed of two different materials on the surface of an object
05/01/1984US4445981 Method of forming colored pattern on the surface of aluminum or aluminum alloy
04/1984
04/24/1984US4444628 Process for treating Al alloy casting and die casting
04/24/1984CA1166186A1 Surface-treatment of carbon fiber
04/17/1984US4442829 Aluminum, anodizing, metals, electrodeposition, filling, porosity, infrared
04/11/1984EP0105170A2 Process for the after treatment of aluminium oxide layers with aqueous solutions containing alkali silicate, and its application during the manufacture of supports for offset printing plates
04/10/1984US4442181 Nickel, tin, chromium, corrosion resistance
04/10/1984US4441967 Square wave direct current
04/10/1984US4441927 Tantalum powder composition
04/04/1984EP0104759A1 Porous tantalum capacitor electrode and production thereof
04/03/1984US4440606 Method for producing a solar selective coating on aluminum
03/1984
03/27/1984US4439287 Method for anodizing aluminum materials and aluminized parts
03/27/1984CA1164404A1 Galvanic post-treatment of etched aluminum capacitor foil
03/21/1984EP0103234A2 Process for densifying anodically produced oxide layers on aluminium or aluminium alloys
03/20/1984US4437946 Stabilization of aluminum electrolytic capacitor foil
03/20/1984US4437945 Stabilization in alkaline borate baths, monosodium phosphate electrolyte
03/20/1984US4437944 Zinc, chrome-chromic oxide coatings
03/15/1984WO1984000982A1 Recompression process
03/07/1984EP0102054A1 Method for growing GaAs single crystal by using floating zone
03/07/1984EP0101871A1 Method of producing tin-free steel sheets having improved resistance to retorting treatment
03/07/1984EP0101820A1 Process for the protective sealing of anodized aluminium and its alloys
02/1984
02/21/1984US4432854 Positioning parellel to electrode
02/21/1984US4432845 Cathodic electrolysis, then anodizing while controlling sulfate concentration
02/21/1984US4432842 Electrodeposition of chromium, then hydrated chromium oxide on steel foundation
02/21/1984CA1162506A1 Tin-free steel
02/14/1984US4431707 Presensitizing thick coatings using acidic stannous chloride; preactivation using acidic palladium-chloride; printed circuits
02/14/1984US4431489 Electrolysis in an acidic aqueous electrolyte containing nickel sulfamate
02/07/1984US4430169 Anodizing, alternating current, silver salt, yellow, blue dye
02/07/1984US4430168 Sulfuric acid, metal sulfate, voltage, anodizing, fixing
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