Patents for C25D 11 - Electrolytic coating by surface reaction, i.e. forming conversion layers (8,800)
01/1984
01/31/1984US4429021 Chromium-plated steel strip having excellent weldability and resistance to corrosion
01/24/1984US4427499 Cathodic treatment with phosphoric acid, chromic acid, and sodium silicate
01/24/1984CA1160980A1 Method for pretreatment in the production of tin-free steel
01/17/1984US4426260 Etching, nitric acid, electroforming
01/11/1984EP0097759A1 Barrier anodizing of aluminium and aluminium alloy substrates
01/10/1984US4425420 Production of a planographic printing plate through the silver complex diffusion transfer process
01/04/1984EP0097503A2 Process for preparing a lithographic printing plate
12/1983
12/27/1983CA1159390A1 Electrolysis of solutions containing dispersed bubbles
12/20/1983US4421828 Tin covered with chromium and chromium trioxide composite
12/20/1983US4421789 Process for treating the surfaces of aluminum heat exchangers
12/20/1983US4421612 Process for the preparation of a dark-colored, wave-length selective oxide film on aluminum
12/20/1983US4421610 Electrolytic coloring process
12/13/1983US4420378 Method for forming decorative colored streak patterns on the surface of an aluminum shaped article
12/07/1983EP0095738A1 Method of producing tin-free steel sheets
12/07/1983EP0095581A2 Process for the post treatment of aluminium oxide layers with aqueous solutions containing alkalisilicate, and its use in the manufacture of offset printing platen supports
12/06/1983US4419409 Bicolored polyhedral body of aluminum
11/1983
11/22/1983US4416816 1:2 Chromium complex of 1-amino-2-(3',5'-dinitro-2'-hydroxyphenylazo)-4-sulfonaphthalene and alkali metal salts thereof
11/22/1983US4416742 Process and electrolytic bath for making a rhodium-plated article having a black or blue color
11/22/1983CA1157264A1 Method for forming decorative colored streak patterns on the surface of an aluminum shaped article
11/16/1983EP0094127A1 Article having a layer of a nickel-phosphorous alloy and coated with a protective layer
11/08/1983US4414311 Hydrophilic substrate, diazo salt
11/08/1983US4414078 Method for pretreatment in the production of tin-free steel
11/08/1983US4414077 Method for production of colored aluminum article
11/08/1983CA1156598A1 Treating etched aluminum electrolytic capacitor foil
11/01/1983US4413049 Impregnation of oxidized aluminum surface with a group ii or iii metal salt of a fatty acid
10/1983
10/26/1983EP0092342A2 Method for producing a steel strip having an excellent phosphate-coating property
10/19/1983EP0091722A1 Method of treating foil for electrolytic capacitors
10/11/1983US4409456 Welded can and process for preparation thereof
10/11/1983US4409075 Method for cutting a semiconductor crystal into wafers
10/11/1983CA1155080A1 Anodizing aluminium asymmetrically in sulfuric acid, polyhydric alcohol and polycarboxylic acid
10/05/1983EP0090268A2 Process for anodising aluminium products and aluminised parts
10/05/1983EP0090266A2 Bath and process for anodising aluminised parts
09/1983
09/28/1983EP0089509A1 Method for the electrophoretic deposition of radiation-sensitive coatings on metallic bases, and use of the coated material as an offset printing plate
09/27/1983US4406757 Anodization method
09/20/1983US4405414 Process for manufacturing a selective absorber of a solar collector and selective absorber so obtained
09/20/1983CA1153980A1 Method of producing colour-anodized aluminium articles
09/13/1983US4404039 Aqueous solution of nitric acid, organic phosphates, complexing phosphonates and a surfactant
08/1983
08/31/1983EP0086957A1 Method of producing support materials for offset printing plates
08/31/1983EP0086956A2 Method of producing support materials for offset printing platens
08/30/1983US4401874 Method of welding tin-free steel can
08/30/1983US4401533 Surface-treatment of carbon fiber
08/30/1983US4401525 Process for coloring aluminum electrolytically with metal salts
08/30/1983CA1152938A1 Method of treating objects the surface of which consists of tin
08/23/1983US4400246 On aluminum substrate using high current density and acidic bath
08/17/1983EP0086131A1 Process for the realisation on an object of a decorative pattern with parts appearing in at least two different materials
08/17/1983EP0085799A1 Method of making lithographic printing plates
08/16/1983US4399021 Novel electrolytes for electrochemically treated metal plates
08/09/1983US4397716 For spacecraft exteriors
08/02/1983US4396470 Anodizing aluminum substrate in a phosphoric acid electrolyte and phosphoricsulfuric acid
08/02/1983CA1151102A1 Electrochemical removal of surface copper from aluminum foil
07/1983
07/19/1983US4394415 Electromagnetic wave energy absorbing material
07/19/1983US4394224 Treatment of titanium prior to bonding
07/12/1983US4392582 Retortable bonded can
07/05/1983CA1149383A1 Triazinylaminotriazines, their preparation, their use for stabilizing synthetic polymers, and the products stabilized with them
06/1983
06/29/1983EP0082454A1 Process for the anodic treatment of aluminium and its application as a support for printing plates
06/29/1983EP0082453A1 Process for the anodic treatment of aluminium and its application as a support for printing plates
06/28/1983US4390407 Electrolytic processing device for belt-shaped metal plates
06/14/1983US4388156 Complexing
06/14/1983CA1148110A1 Colouring aluminium after anodization in electrolyte of sulfuric acid, polyhydric alcohol, and carboxylic acid
05/1983
05/24/1983US4384657 Chromium and chromium oxide layers, magnetite, coating of resin with polar group
05/24/1983CA1146818A1 Process for the production of a material entering in the manufacture of metal tins for food products, namely plated steel sheet
05/17/1983US4383897 Electrochemically treated metal plates
05/10/1983CA1146114A1 Aluminium article with porous anodic oxide film coloured by optical interference effects
04/1983
04/26/1983US4381226 Electrochemical treatment of aluminum in non-aqueous polymeric polybasic organic acid containing electrolytes
04/19/1983US4380170 Use of uncompacted, coated, anodically oxidized aluminum surfaces
04/13/1983EP0015279B1 Coating system
03/1983
03/22/1983US4377447 Method for graining metal lithographic plate
03/15/1983US4376836 Triazylaminotriazines, their preparation and their use for stabilizing synthetic polymers
03/08/1983CA1142477A1 Process for the electrolytic colouring of anodized aluminium
03/01/1983US4375391 Method for manufacturing bicolored polyhedral body of aluminum
02/1983
02/23/1983EP0072384A1 Preserving means for metal surfaces and process for coating the same
02/08/1983CA1140890A1 Process for sealing anodised aluminium
01/1983
01/25/1983US4370162 Metal ore reduction with carbon monoxide and hydrogen, catalytic hydrocarbon reforming to reducing gas, heat exchanging
01/12/1983EP0069238A2 Production of highly rust resistant tinplate sheets for welded cans
01/11/1983US4368107 Method of surface treatment of porous material
01/04/1983US4367122 Method for anodizing aluminum
12/1982
12/28/1982CA1138373A1 Electrolytically tin-plating steel, remelting and alkaline cathodic treating
12/21/1982CA1137918A1 Anodically oxidizing aluminum with a composition of sulphuric acid, phosphoric acid and aluminum ion
12/21/1982CA1137917A1 Anodically oxidizing aluminum in electrolyte containing sulphuric acid and aluminum ions
12/15/1982EP0067056A1 Lithographic printing plate having an aluminium alloy support
12/08/1982EP0066117A1 Cleaning of surfaces of anodised aluminium and its alloys
12/07/1982CA1137021A1 Method for pretreatment in the production of tin-free steel
12/07/1982CA1137020A1 Method of forming colored patterns on aluminum or its alloys
11/1982
11/24/1982EP0065421A1 Method of treating a surface of an aluminum to form a pattern thereon
11/23/1982CA1136004A1 Method and article for electrically splicing web ends
11/03/1982EP0063933A1 Steel strip having differentiated multilayer coatings and being useful for manufacture of cans
11/02/1982CA1134774A1 Anodising aluminium
10/1982
10/26/1982US4356076 Apparatus for the anodic oxidation of aluminum
10/26/1982CA1134316A1 Low voltage hard anodizing process
09/1982
09/08/1982EP0059492A1 Method of manufacturing of an anticorrosion coating on solar absorber
09/07/1982CA1131160A1 Electrolytic colouring of anodised aluminium by means of optical interference effects
09/01/1982EP0059008A1 Production of a planographic printing plate through the silver complex diffusion transfer process
08/1982
08/31/1982CA1130734A1 Can composed of electrolytically chromated steel sheet
08/24/1982CA1130236A1 Process for electrolytically forming glossy film on articles of aluminum or alloy thereof
08/18/1982EP0058023A2 Process of treating anodic oxide film, printed wiring board and process of making the same
08/10/1982CA1129372A1 Method of forming colored patterns on aluminum or its alloys
07/1982
07/28/1982EP0056478A1 Process for electrolytically colouring a piece of aluminium or aluminium alloy
07/07/1982EP0055481A2 Chromium-plated steel strip having excellent weldability and resistance to corrosion and method for producing the same
06/1982
06/29/1982US4337124 Non-pulsed electrochemical impregnation of flexible metallic battery plaques
06/22/1982US4336063 Method and apparatus for the gaseous reduction of iron ore to sponge iron
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