Patents for C23C 22 - Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals (14,001)
06/1987
06/02/1987US4670354 Hot-galvanized steel product, notably intended to be phosphated, and method for preparing such a product
06/02/1987US4670066 Fine, dense crystals in short time
05/1987
05/26/1987US4668307 Monofluorophosphate anion
05/26/1987US4668305 Method for the production of chromium phosphate coatings
05/20/1987EP0222282A2 Process for coating metal surfaces with organic layers
05/07/1987WO1987002856A1 Copper oxide treatment in printed circuit board
05/06/1987EP0220872A2 Process for improving corrosion resistance of zinc or cadmium plated metal articles
05/05/1987US4663245 Hot-dipped galvanized steel sheet having excellent black tarnish resistance and process for producing the same
04/1987
04/29/1987EP0219945A2 Stabilisation of acidic hydrogen peroxide solutions
04/29/1987EP0219779A2 Phosphatizing process for electrolytically galvanized metal objects
04/22/1987CN86107238A Rust-proof agent for oil and rust removing
04/21/1987US4659629 Formation of a protective outer layer on magnesium alloys containing aluminum
04/21/1987US4659613 Parts coated with thick coating compositions of uni- and polymodal types
04/21/1987US4659395 Ductile polyelectrolyte macromolecule-complexed zinc phosphate conversion crystal pre-coatings and topcoatings embodying a laminate
04/21/1987US4659394 Process for preparation of highly anticorrosive surface-treated steel plate
04/14/1987US4657600 Redox reaction of nitrates with phosphoric acid
04/14/1987US4657599 Immersion posttreatment in silicate solution
04/08/1987EP0217421A2 Corrosion resistant steel components and method of manufacture thereof
04/08/1987EP0217420A2 Corrosion resistant steel components and method of manufacture thereof
04/07/1987US4656097 Post treatment of phosphated metal surfaces by organic titanates
04/07/1987US4655385 Method of brazing an aluminum material
04/07/1987US4655168 Continuous vacuum deposition apparatus with control panels for regulating width of vapor flow
04/01/1987CN85107030A Process for antiseptic processing of iron-based material
03/1987
03/31/1987CA1219790A1 Process and aqueous compositions for treating metal surfaces
03/25/1987EP0215041A1 Process for the phosphating of metal surfaces.
03/25/1987CN85101826A Phosphating composition and processes
03/24/1987CA1219404A1 Coating compositions and method for the treatment of metal surfaces
03/18/1987EP0214571A1 Process for forming conversion layers on zinc and/or zinc alloys
03/17/1987US4650699 Corrosion resistance for metal parts
03/17/1987US4650527 Acrylic acid polymer crosslinked with chromium and containing silica
03/17/1987US4650526 Post treatment of phosphated metal surfaces by aluminum zirconium metallo-organic complexes
03/17/1987US4650525 Surface treatment of aluminum and its alloys
03/12/1987WO1987001397A1 Hot-dipped steel plate and process for its production
03/11/1987EP0213590A1 Process for forming conversion layers on zinc and/or zinc/aluminium alloys
03/11/1987EP0213567A1 Process for applying phosphate coatings
03/10/1987US4648910 Method of bonding a high temperature resistant polymeric material to an aluminum base substrate and article therefrom
03/04/1987CN85105959A Liquid compound for processing metal surface
03/03/1987US4647479 Organic silicate, citric acid, nonaqueous solvent
03/03/1987US4647316 Metal base coating composition comprising chromium, silica and phosphate and process for coating metal therewith
03/03/1987US4647315 Chromic acid, phosphoric acid
03/03/1987CA1218584A1 Method for refinement of metal surfaces
02/1987
02/26/1987DE3529399A1 Non-aqueous, homogeneous phosphating baths for metal surfaces, and use thereof
02/25/1987EP0211510A2 An Sn-based multilayer coated steel strip having improved corrosion resistance, weldability and lacquerability and method for producing same
02/24/1987US4645790 Corrosion resistant lubricant coating composite
02/24/1987CA1218284A1 Phosphating metal surfaces
02/19/1987DE3528946A1 Process for applying an anti-corrosive coating
02/17/1987US4644029 Chromate coatings for metals
02/17/1987US4643793 With mixture of copper compound, complexing agent, reducing agent, and ph adjuster in presence of nitrogen heterocycle compound
02/17/1987US4643778 Composition and process for treating steel
02/17/1987US4643241 Method of preparing composite aluminum material
02/11/1987CN86103534A Rapid forming of weather resisting anti-rust film on steel
02/11/1987CN86101533A Method for detecting structural banding of chrominium bearing steel during hot rolling
02/10/1987US4642161 Method of bonding copper and resin
02/10/1987US4642140 Reacting metal base layer with acidic ions
02/10/1987US4642011 Composition for rust prevention of metals and threaded metal elements with a rustproof film
02/03/1987US4640872 Corrosion-resistant steel strip having Zn-Fe-P alloy electroplated thereon
01/1987
01/31/1987CN85101750A Phosphating processes and compositions
01/27/1987US4639295 Zinc phosphating method
01/27/1987CA1217118A1 Adhesion promoter for printed circuits
01/24/1987CN85101297A Process for phosphating metals
01/21/1987EP0209143A2 Surface treatment process for a sheet iron zinc-aluminium alloy coating
01/20/1987US4637840 Coated aluminum-zinc alloy plated sheet steel
01/20/1987US4637838 Acid promoters for phosphate coatings
01/17/1987CN85102667A Surface treatment method of aluminium tin soldering
01/14/1987EP0207999A1 Coated steel plate for highly corrosion-resistant fuel container and process for its production
01/07/1987EP0207484A2 Copper stainproofing technique
12/1986
12/31/1986CN86200818U Bluing stove with double-deck internal thermal insulation
12/30/1986US4632708 Magnesia, and ferromanganese nitride or manganese nitride
12/30/1986US4632706 Controlled process for the surface treatment of metals
12/30/1986EP0206144A1 Aqueous compositions for the Hilite and flux process, and their use
12/30/1986EP0206007A2 Process for making electrical steel sheet with an electrically insulating coating and coated electrical steel sheet made this way
12/23/1986US4631093 Mixture of chrysolidine dye and nitric acid
12/17/1986EP0204846A1 Method of manufacturing colored stainless steel materials and apparatus for continuously manufacturing same
12/16/1986US4629659 Corrosion resistant surface-treated steel strip and process for making
12/10/1986EP0204318A2 Method of improving functions of surface of alloy steel by means of irradiation of laser beam, and alloy steel and structure made by the method
12/03/1986EP0203514A2 A process for treating metal surface
12/02/1986CA1214691A1 Process for producing phosphate coatings
11/1986
11/26/1986EP0202492A1 Phenyl-tetralindiphosphonic acids and process for their preparation
11/26/1986CN86103811A Processing method for metal surface
11/20/1986EP0201841A2 Process for phosphating metal surfaces
11/18/1986CA1214036A1 Treatment of metal with group iv b metal ion and derivative of poly-alkenylphenol
11/12/1986EP0201228A2 Grain-oriented silicon steel and stress coating therefor
11/11/1986US4622078 Process for the zinc/calcium phosphatizing of metal surfaces at low treatment temperatures
11/05/1986EP0200007A2 Steel strips with corrosion resistant surface layers having good appearance
11/04/1986US4620882 Monitoring potential difference with a reference electrode in two positions
10/1986
10/29/1986EP0199346A1 Rust-transforming and rust-preventing film-forming composition, and use thereof
10/28/1986US4619871 Forming a cobalt, molybdenum andor tungsten alloy on bonding surface
10/28/1986US4619716 Forming potassium pentafluoroaluminate
10/21/1986US4618377 Method for surface treatment of electrical steel sheet
10/14/1986US4617202 For confining protective coatings to desired locations on workpieces
10/14/1986US4617068 Corrosion, oxidation resistance
10/14/1986US4617056 Aluminum powders with phosphate, molybdate or chromate ion liquid binders
10/07/1986US4616306 Metal treating process control
10/07/1986US4615920 Diffusion coating with aluminum then leaching
10/01/1986EP0196259A1 Regulation method for a chemical medium
09/1986
09/16/1986US4612060 Process for controlling zinc phosphate treating solutions
09/16/1986CA1211409A1 Steel sheet electroplated with zinc-nickel alloy and iron layers
09/16/1986CA1211406A1 Plated steel sheet with chromate and composite silicate resin films
09/15/1986EP0181377A4 Metal treatment.
09/10/1986CN86100516A Zinc-calcium series phosphatizing liquid