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)
09/2004
09/16/2004WO2004079044A1 A corrosion inhibiting composition for metals
09/16/2004US20040180799 Sulfuric acid and sodium metatitanate or potassium titanate in water; increasing adhesion to protective coating or corrosion resistant layer; applicable to aluminum or titanium metal or alloys, stainless steel; nontoxic
09/16/2004US20040177898 sulfate providing agent, oxidizing agent, an alkali metal permanganate, and an alkali metal carbonate form passivation layer comprising manganese, oxygen, sulfur and carbon
09/16/2004DE10308426A1 Phosphatierverfahren mit Wertstoff-Rückführung Phosphating with recyclables feedback
09/15/2004EP1457267A1 Method for manufacturing of formed metal parts of aluminium sheet with a decorative surface
09/15/2004EP1457266A1 Method for manufacturing of formed metal parts of aluminium sheet with a decorative surface
09/15/2004EP1290244A4 Method for forming phosphate coatings on nonferrous metals and plated steel sheets
09/15/2004EP1289678A4 Process for improving the adhesion of polymeric materials to metal surfaces
09/15/2004EP0904425B1 Moderate temperature manganese phosphate conversion coating composition and process
09/15/2004CN1528950A Phosphorizing liquid for steel-iron cold-rolling and phosphorizing method thereof
09/15/2004CN1166813C Method for chemically treating stainless steel filler
09/14/2004CA2352929C Method of forming chromium coated copper for printed circuit boards
09/14/2004CA2322363C Method of forming chromium coated copper for printed circuit boards
09/14/2004CA2100168C Two-step chemical/electrochemical process for coating magnesium alloys
09/10/2004WO2004076719A1 Phosphating method comprising recirculation of useful material
09/10/2004WO2004076718A1 Method for coating metallic surfaces with a mixture containing at least two silanes
09/10/2004WO2004076717A1 Method for coating metallic surfaces with a silane-rich composition
09/10/2004WO2004076568A1 Method for coating metallic surfaces with a composition that is rich in polymers
09/10/2004WO2003106074A3 Method for reducing the corrosivity of cooling or process water
09/09/2004US20040173289 Chromium in water solution with organic compound, acid compound such as phosphoric acid and chromium compound
09/09/2004DE10308237A1 Aqueous composition imparting improved corrosion resistance to metal surfaces contains a hydrolyzable silane and a metal chelate and optionally also an organic film-former and film-forming aid
09/08/2004EP1455002A1 Pretreatment method for coating
09/08/2004EP1455001A1 Metal material coated with metal oxide and/or metal hydroxide coating film and method for production thereof
09/08/2004EP1455000A2 Surface modified metallic material, method for preparing it and use of said material
09/08/2004EP1454965A1 Treating agent for forming protective coating and metallic material having protective coating
09/08/2004EP1453989A1 Use of substituted hydroxylamines in metal phosphating processes
09/08/2004EP1133583A4 Process and composition for conversion coating with improved heat stability
09/08/2004CN1527889A Corrosion protection agent and corrosion protection method for metal surfaces
09/08/2004CN1527747A Process for treating adhesion promoted metal surfaces
09/08/2004CN1527744A Fractional regeneration of a weakly acidic ion exchanger loaded with bivalent metallic ions
09/08/2004CN1526854A Process for producing non-orientation electromagnetic steel plate and used insulation film forming agent
09/07/2004US6787192 Process for producing part made of magnesium and/or magnesium alloy
09/02/2004WO2004074372A1 Polymers containing carboxylate for the treatment of metallic surfaces
09/02/2004US20040170848 Corrosion inhibiting composition for metals
09/02/2004US20040170840 Chemical conversion coating agent and surface-treated metal
09/01/2004EP1453069A1 Rare-earth permanent magnet having corrosion-resistant coating, process for producing the same, and treating liquid for forming corrosion-resistant coating
09/01/2004EP1451388A2 Post-treatment for metal coated substrates
09/01/2004EP1451383A1 Method for coating a metal surface
09/01/2004EP1311644A4 Process for improving polymer to metal adhesion
09/01/2004CN1526034A Method to prevent specks or hairline cracks in, and premature failure of, airplane cylinder barrels
09/01/2004CN1164690C Method of treating metals using ureido silanes and multi-silyl-functional silanes in admixture
09/01/2004CN1164374C Coating structure and coating method of Mg alloy formed article, and external packing component with said coated structure
08/2004
08/26/2004WO2004072325A1 Black trivalent chromium chromate conversion coating
08/26/2004US20040167266 Surface treatment for metal, process for surface treatment of metallic substances, and surface-treated metallic substances
08/26/2004US20040166360 Hot press forming method, and a plated steel material therefor and its manufacturing method
08/26/2004US20040163736 Pretreatment method for coating
08/26/2004US20040163735 Chemical conversion coating agent and surface-treated metal
08/26/2004DE10305450A1 Material mixture for blackening passivating drums and frames comprises an aqueous acidic solution containing chromium (III) ions
08/26/2004DE10305449A1 Reaction solution for producing colored passivation film on zinc and its alloys, e.g. on iron or steel, is based on aqueous acid solution containing trivalent chromium ions and contains quinoline dye, preferably quinoline yellow
08/25/2004EP1449936A1 Process for producing metal wire rod for plastic working
08/25/2004EP1449891A1 COATING COMPOUND FOR FORMING TITANIUM OXIDE FILM, METHOD FOR FORMING TITANIUM OXIDE FILM AND METAL SUBSTRATE COATED WITH TITANIUM OXIDE FILM
08/25/2004EP1299575B1 Acidic treatment liquid and method of treating copper surfaces
08/25/2004CN1524133A Surface treating steel plate and method for manufacturing same
08/25/2004CN1523133A Non-chromium surface treatment method for magnesium alloy accessory
08/25/2004CN1163630C Method for developing enhanced oxide coating on component surface made by stainless steel or nickel alloy steel
08/25/2004CN1163629C Ordinary-temperature phospholiquid and preparing method thereof
08/24/2004US6780256 Contacting the metal surface with an aqueous solution formed by mixing water, a zinc source, phosphoric acid, polyhydric compound, and a metal salt to form zinc phosphate coating
08/19/2004WO2004070083A1 Method for passivating stainless steel product and method for producing stainless steel separator for fuel cell
08/19/2004WO2004070082A1 Method for the chemical treatment of a copper-alloy support for electronic components of the type used in the semiconductor industry
08/19/2004WO2004070081A2 Method and composition for creation of conversion surface
08/19/2004WO2004070072A2 Heat treatable coated article with chromium nitride ir reflecting layer and method of making same
08/19/2004US20040162351 Making a fused GABA analog prodrug having a cleavable promoiety covalently bound to the therapeutic fused GABA analog;placing prodrug in a sustained release oral dosage form; introducing dosage form into the intestinal lumen of a patient by having the patient swallow the dosage form; releasing, cleaving
08/19/2004US20040161603 Electroless process for treating metallic surfaces and products formed thereby
08/19/2004US20040161545 Adhesion method
08/19/2004US20040159264 using an adhesion promoting composition of an oxidizer, a pH adjuster, a topography modifier, and a sulfur-containing coating stabilizer for acid resistance such as inorganic (poly)sulfides, dialkyldithiocarbamates, and trithiocarbonates
08/19/2004DE10304928A1 Treatment of copper water pipes, to prevent copper deposits entering the water, uses an oxidizing solution containing hydrogen carbonate to form a barrier layer on the pipe surface
08/19/2004CA2514795A1 Method and composition for creation of conversion surface
08/18/2004EP1447460A1 Rust prevention coating agent and method of rust-proofing
08/18/2004CN1521005A Corrosion proof nozzle head and manufacturing method thereof
08/17/2004US6777094 Overcoating with organosilicon compounds; hydrolysis; contacting
08/17/2004US6777034 Pretreatment coating including a reaction product of an epoxy-functional material and a phosphorus-containing material or amine-containing material; weldable coating of an electroconductive pigment and a binder
08/12/2004WO2004067802A1 Black zinc-plated steel sheet
08/12/2004WO2004067801A1 Oil tempered steel wire excellent in coiling workability and method for production thereof
08/12/2004US20040156999 Reaction product of chromium compound,sulfate, nitrate, transition metal and chelate compound
08/12/2004US20040156995 Treating agent for forming a protective coating and metallic materials with a protective coating
08/12/2004US20040154700 Surface treated steel material, a method for its manufacture, and a chemical conversion treatment liquid
08/11/2004EP1445348A1 Composite titanium oxide film and method for formation thereof and titanium electrolytic capacitor
08/11/2004EP1444381A1 Method for the production of dark protective layers on flat objects made from titanium zinc
08/11/2004EP1230423B1 Method for applying manganese phosphate layers
08/11/2004EP1187660B1 Method of coating a metal substrate with a radioactive layer
08/11/2004EP1161575A4 Nonsludging zinc phosphating composition and process
08/11/2004CN1520469A Surface treatment agent for copper and copper alloy
08/11/2004CN1520468A Surface treatment agent for metal, process for surface treatment of metallic substances and surface-treated metallic substances
08/11/2004CN1520467A Corrosion resistant coatings for aluminum and aluminum alloys
08/11/2004CN1161434C Inorganic/organic insulating coating for nonoriented electrical steel
08/10/2004US6773516 Chromate-free and including of at least one rareearth element containing species, an oxidant and at least one accelerator, comprising a metal selected from groups va and via
08/10/2004CA2373104C Improved process for mill-applied treatment of sheet metal and products prepared therefrom
08/10/2004CA2172375C Hydrophilic coatings for aluminum
08/05/2004WO2004065648A2 Corrosion resistant coating with self-healing characteristics
08/05/2004WO2004065642A2 Pretreatment for aluminum and aluminum alloys
08/05/2004WO2004065058A2 Post-treatment for metal coated substrates
08/05/2004US20040151619 Anticorrosive agent and corrosion protection process for metal surfaces
08/05/2004US20040149167 Improved adhesion; for high-frequency-adaptable substrate
08/04/2004EP1406984A4 Composition and process for inhibiting corrosion of metallic substrates
08/04/2004EP1290243B1 Method for coating a metallic component
07/2004
07/29/2004WO2004063424A2 Two-stage or multi-stage method for treating phosphated rinsing water using a membrane
07/29/2004WO2004063414A2 A coating composition
07/29/2004WO2004063291A2 A coating composition
07/29/2004US20040146753 Method for treating ferrous alloy parts in order to improve the rubbing properties thereof without causing hardness loss or deformation
07/29/2004US20040144451 Pretreatment method for coating
1 ... 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 ... 141