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)
07/2000
07/19/2000CN1260844A Lithium and vanadium containing sealing compositions and process of sealing thereof
07/18/2000US6090254 A treating bath e.g., degreasing, surface conditioning, rinsing, provided with a vibratory agitation means and the angles of immersion and emergence of the article being <25 degrees to remove metal particles sized 80-200 mu m
07/18/2000US6090224 Phosphating surfaces using nickel-free and nitrate-free acidic phosphating solution; paint adhesion, corrosion resistance
07/13/2000WO2000040777A1 Surface-treating agent for magnesium-based part and method of surface treatment
07/12/2000EP1017881A1 Composition and method for priming substrate materials
07/12/2000EP1017880A1 Method and compositions for preventing corrosion of metal substrates
07/12/2000EP1017879A1 Sealing procedures for metal and/or anodised metal substrates
07/12/2000EP1017878A1 CHROMATE TREATMENT OR POSTPASSIVATION WITH STABILISED SOLUTIONS BASED ON Cr (III)/(VI)
07/12/2000EP1017505A1 Water-based liquid treatment for aluminum and its alloys
07/12/2000EP0975439A4 Process for touching up pretreated metal surfaces
07/11/2000US6086956 Composition and method for reducing copper oxide to metallic copper
07/11/2000US6086743 Increasing surface roughness and the peel strength by three step lamination including oxidation, electrolysis, silanation
07/06/2000WO2000039357A1 Composition and process for heavy zinc phosphating
07/06/2000WO2000039356A1 Silane coatings for bonding rubber to metals
07/06/2000WO2000039187A1 Mannich derivatives of epoxy-novolac resins and methods of using the same
07/06/2000WO2000039177A2 Silane treatment for electrocoated metals
07/06/2000WO2000038844A1 Method of improving adhesion to galvanized surfaces
07/05/2000EP1015662A2 Method of preventing corrosion of metals using silanes
07/05/2000CN1258760A Black inactivation process for zinc-nickel alloy coating
07/04/2000US6084106 4-phenylethynyl-n (3-trialkoxysilylalkyl or aryl) phthalimide fluorescent; high viscosity; bonding strongly to metal surfaces, e.g.,titanium, steels; applied phenylethynyl-terminated polyimide or polysulfide adhesives
07/04/2000US6083309 Group IV-A protective films for solid surfaces
07/04/2000CA2094448C Universally paintable passivated galvanized steel
06/2000
06/29/2000WO2000037717A2 Method for darkening a superficial layer which contains zinc and which is of a material piece
06/28/2000EP1012355A4 Sludge reducing zinc phosphating process and composition
06/28/2000EP1012355A1 Sludge reducing zinc phosphating process and composition
06/28/2000EP1012134A1 Quaternary ammonium phosphate compound and method of preparing the same
06/28/2000CN1053932C Method for chemically treating low chromium surface of steel sheet for tin-electroplating
06/22/2000WO2000036183A1 Method of controlling a treatment line
06/22/2000WO2000036182A1 Ferrate conversion coatings for metal substrates
06/22/2000WO2000036176A2 Polymetalate and heteropolymetalate conversion coatings for metal substrates
06/22/2000WO2000035595A1 Composition and process for treating metal surfaces
06/22/2000CA2355100A1 Method of controlling a treatment line
06/21/2000EP1009867A1 Lithium and vanadium containing sealing composition and process therewith
06/21/2000DE19858795A1 Darkening of a zinc-containing surface of a zinc, zinc alloy or zinc-coated workpiece is carried out by dipping or anodizing in an aqueous ammonium or sodium nitrite solution
06/21/2000DE19857799A1 Verfahren zum Steuern einer Behandlungslinie Method for controlling a treatment line
06/21/2000CN1257136A Non-orientation type electromagnetic steel board, its preparation method used isolation film formation agent
06/20/2000US6077885 Corrosion resistant coatings for aircraft; resistant to hydraulic fluids, having good impact strength
06/15/2000WO2000034672A1 Improved weldable aluminum stud
06/15/2000DE19856613A1 Anschweißteil aus Aluminium oder einer Aluminiumlegierung mit einer Beschichtung Welding part made of aluminum or an aluminum alloy with a coating
06/14/2000EP1008675A1 Copper pretreatment for tin solder alloy deposition
06/14/2000EP1008416A1 Plated aluminium weld stud
06/13/2000US6074495 Polyurethane resin, cross-linking agent which is arizidine, and water; and wherein the polyurethane solution contains diethylamine, triethylamine or triethanolamine;
06/13/2000US6074464 Phosphate bonded aluminum coatings
06/08/2000WO2000032843A1 Surface-treated steel sheet for fuel tanks and method of fabricating same
06/08/2000WO2000032842A1 Closed-loop phosphatizing system and method
06/08/2000WO2000032351A2 Weldable, coated metal substrates and methods for preparing and inhibiting corrosion of the same
06/07/2000EP1005578A1 Phosphating method accelerated by n-oxides
06/07/2000EP0977908A4 Conditioning metal surfaces prior to phosphate conversion coating
06/07/2000EP0746584B1 Hydrophilicizing sealer treatment for metal objects
06/07/2000CN1053232C Anticorrosive method for cold exchange equipment
06/06/2000US6072055 Adhesion promoters and methods of their synthesis and use
06/06/2000US6071629 Facing adhesion for rustproofing, zinc or zinc alloy layer and organic resin
06/06/2000US6071566 Corrosion resistance of metal substrates by coating steels or iron with zinc or zinc alloys and aluminum alloy coated with zinc
06/06/2000US6071435 To inhibit the blackening of zinciferous metal-plated steel sheet it is coated with an aqueous liquid composition that has a ph not exceeding 2.5 and contains hexavalent chromium ion, trivalent chromium ion, nickel ion, h3po4 emulsion resin
05/2000
05/31/2000EP1004679A1 Non-oriented electromagnetic steel sheet having insulating film excellent in film properties, method for producing same, and insulating film-forming agent used for producing the same
05/31/2000DE19854431A1 Treatment of phosphation bath overflow and/or washing water
05/31/2000CN1053020C Method for preparing aluminium and aluminium alloy surface coating
05/30/2000US6068711 Method of increasing corrosion resistance of metals and alloys by treatment with rare earth elements
05/30/2000US6068710 Aqueous composition and process for preparing metal substrate for cold forming
05/30/2000US6068709 Bath and process for the phosphatization of metallic substrates, concentrates for the preparation of said bath and metallic substrates having been subjected to a treatment by said bath and process
05/30/2000CA2113968C Chromated metal sheet having high corrosion resistance with improved lubricity and electric conductivity
05/30/2000CA2049316C Method and composition for coating aluminum
05/25/2000WO2000029639A1 Derivatized metallic surfaces, composites of functionalized polymers with such metallic surfaces and processes for formation thereof
05/25/2000DE19854091A1 Pretreatment process, especially for car bodies prior to electro-dip lacquering, comprises degreasing, passivation and rinsing of bodies produced from pre-phosphated sheet
05/25/2000CA2348544A1 Derivatized metallic surfaces, composites of functionalized polymers with such metallic surfaces and processes for formation thereof
05/24/2000EP1002889A2 Anti-corrosive coating compositions and methods for metal materials
05/24/2000EP1002143A1 Alkaline strip passivation
05/24/2000CN1254033A Anti-corrosive coating composite for metal material
05/18/2000WO2000028109A1 Surface treated steel sheet having excellent corrosion resistance and method for producing the same
05/18/2000WO2000027939A1 Adhesive bonding process for aluminium and/or aluminium alloy
05/18/2000WO1999048682A8 Tarnish resistant article, preparation, manufacture and methods of use of same
05/18/2000CA2348300A1 Adhesive bonding process for aluminium and/or aluminium alloy
05/16/2000US6063480 Copper plate with copper sulfide layer
05/11/2000WO2000026437A1 Visible chromium- and phosphorus-free conversion coating for aluminum and its alloys
05/11/2000WO2000026436A1 Molybdenum phosphate based corrosion resistant conversion coatings
05/11/2000DE19849781A1 Spritzgegossener weichmagnetischer Pulververbundwerkstoff und Verfahren zu seiner Herstellung An injection molded soft-magnetic powder composite material and process for its preparation
05/11/2000CA2348848A1 Visible chromium- and phosphorus-free conversion coating for aluminum and its alloys
05/11/2000CA2347724A1 Molybdenum phosphate based corrosion resistant conversion coatings
05/10/2000CN1252456A Composition for metal surface treatment and surface treating liquid and surface treating method
05/09/2000US6060122 Contacting with an aqueous solution containing fluorides of boron, zirconium, titanium, and/or hafnium; nonionic surfactants; corrosion inhibitor; aluminum ions, solubilizer, and hydroxycarboxylic acids; use in beverage cans
05/09/2000US6059896 Composition and process for treating the surface of aluminiferous metals
05/04/2000WO2000025326A1 Injection-molded soft-magnetic powder composite material and method for producing the same
05/04/2000WO2000024948A1 Composition and process for treating metal surfaces
05/04/2000CA2349376A1 Composition and process for treating metal surfaces
04/2000
04/26/2000EP0995816A1 Hexavalent chromium-free phosphate-bonded coatings
04/25/2000CA2110124C Surface-treated metal sheet which excels in workability, electrical conductivity and corrosion resistance, and method of producing the same
04/20/2000WO2000022188A1 Hydrophilizing agent for metallic material, hydrophilizing fluid, method of hydrophilizing, metallic material, and heat exchanger
04/20/2000CA2366587A1 Hydrophilizing agent for metallic material, hydrophilizing fluid, method of hydrophilizing, metallic material, and heat exchanger
04/19/2000EP0966737A4 Corrosion protection of aluminum and aluminum alloys using emeraldine base polyaniline
04/19/2000EP0730673B1 Anticorrosion treatment of metal coated steel having coatings of aluminium, zinc or alloys thereof
04/19/2000CN1051570C Aqueous lubricant and surface conditioner for formed metal surfaces
04/18/2000US6051322 Magnesium or a magnesium alloy substrate with transparent film of a metal alkoxide, acetylacetonate or carboxylate
04/18/2000CA2018864C Process for treating a brass-plated steel wire
04/13/2000WO2000020658A1 Method for pretreating metal sheets to be painted
04/13/2000WO2000020657A1 Process and composition for conversion coating with improved heat stability
04/13/2000DE19844391A1 Vorbereitung von Werkstücken für die Kaltumformung The preparation of workpieces for cold forming
04/13/2000CA2346722A1 Process and composition for conversion coating with improved heat stability
04/12/2000EP0993241A1 Copper coating
04/12/2000CN1250111A Water surface finishing agent for metal material and its surface finishing metal material
04/12/2000CN1051339C Composition and method for treatment of phosphated metal surface