| 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) |
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| 02/17/1999 | EP0896641A1 Zinc phosphate tungsten-containing coating compositions using accelerators |
| 02/16/1999 | US5872257 Chelating ligands for froming coordination complexes with metal in liquid and supercritical carbondioxide of covelently bonded groups selected form dithiocarbamate, picolylamine, thiol, a spacers and fluoroalkyloxy or fluoromethylene |
| 02/11/1999 | DE19733978A1 Acid phosphating solution, stable in presence of copper ions |
| 02/11/1999 | DE19733972A1 Alkalische Bandpassivierung Alkaline Bandpassivierung |
| 02/10/1999 | EP0896502A1 Method of treating metal foil for enhancing adhesion |
| 02/09/1999 | US5869130 Process for improving the adhesion of polymeric materials to metal surfaces |
| 02/09/1999 | US5868874 Coating an aluminum substrate in the presence or absence of an accelerator with a bath containing: zinc, phosphate, and ferrous ions, and ammonium bifluoride as a source of fluoride and ammonium ions; good coverage, adhesion |
| 02/09/1999 | US5868873 Pre-rinse for phosphating metal surfaces |
| 02/09/1999 | US5868872 Chromium-free process for the no-rinse treatment of aluminum and its alloys and aqueous bath solutions suitable for this process |
| 02/09/1999 | US5868820 Aqueous coating compositions and coated metal surfaces |
| 02/04/1999 | DE19733064A1 Reclaiming chromic-containing systems |
| 02/02/1999 | US5866652 Esters of rare earth metals or vanadate salts of alkali and alkali earth metals, and alkali earth metal borate |
| 02/02/1999 | CA2156393C Piping element for buried piping, buried piping made thereof and process for protection coating of said element |
| 02/02/1999 | CA2003270C Process of phosphating metal surfaces |
| 01/27/1999 | EP0893947A1 Method for surface treatment of copper or copper alloys |
| 01/26/1999 | US5863357 Method for zinc phosphating molded metal articles |
| 01/26/1999 | US5863356 Method for producing electric sheets with a glass coating |
| 01/21/1999 | WO1999002893A1 Toothed gear box |
| 01/21/1999 | WO1999002759A1 Sealing procedures for metal and/or anodised metal substrates |
| 01/21/1999 | WO1999002758A1 Aqueous treatment process and bath for aluminiferous surfaces |
| 01/21/1999 | WO1999002452A1 Composition and method for reducing copper oxide to metallic copper |
| 01/21/1999 | CA2296539A1 Sealing procedures for metal and/or anodised metal substrates |
| 01/19/1999 | US5861218 Zinciferous plated steel sheet and method for manufacturing same |
| 01/19/1999 | US5861076 Method for making multi-layer circuit boards |
| 01/19/1999 | CA2156501C Non-chrome passivation for metal substrates |
| 01/14/1999 | DE19728919A1 Zahnräderwechselgetriebe Gearing in |
| 01/13/1999 | EP0889977A1 Zinc phosphatizing with low quantity of copper and manganese |
| 01/12/1999 | US5859107 Method and composition for treating metal surfaces |
| 01/12/1999 | US5859106 Method and composition for treating metal surfaces |
| 01/12/1999 | US5858282 Aqueous amine fluoride neutralizing composition for metal pretreatments containing organic resin and method |
| 01/12/1999 | US5858118 Cleaning and passivating a chromium containing stainless steel surface by treating with potassium hydroxide or sodium hydroxide, a chelant, and water; corrosion resistance |
| 01/07/1999 | EP0824565A4 Composition and process for treating metal |
| 01/05/1999 | US5855695 Non-chrome post-rinse composition for phosphated metal substrates |
| 12/30/1998 | EP0887439A1 Process for improving the adhesion of polymeric materials to metal surfaces |
| 12/30/1998 | CN1203265A Aqueous lubricant and surface conditioner for formed metal surfaces |
| 12/30/1998 | CN1041457C Piping element for burried conduit and method for protecting said piping element |
| 12/29/1998 | US5853850 Lubricant film coated steel sheet with excellent phosphatability and method for producing same |
| 12/29/1998 | US5853797 Method of providing corrosion protection |
| 12/29/1998 | CA2027685C Organic composite coated steel strip having improved corrosion resistance and weldability |
| 12/22/1998 | US5851597 "Process for surface-treating body made of metal" |
| 12/22/1998 | US5851371 Reducing or avoiding surface irregularities in electrophoretic painting of phosphated metal surfaces |
| 12/17/1998 | WO1998056963A1 Chromium free, low organic content post-rinse for conversion coatings |
| 12/17/1998 | WO1998056962A1 Method for phosphatizing iron and steel |
| 12/17/1998 | WO1998056577A1 Resin-coated aluminum alloy sheet for can lids |
| 12/10/1998 | DE19723980A1 Continuous computer controlled production of black chromed die cast magnesium alloy components |
| 12/10/1998 | DE19723975A1 Computer-controlled production of black chromated magnesium alloy die castings |
| 12/10/1998 | DE19723350A1 Passivating-rinsing process for phosphate layers |
| 12/09/1998 | EP0882809A2 Composition and process for preventing blistering during heat treating of aluminum alloys |
| 12/09/1998 | EP0882570A1 Thermoplastic resin-coated aluminum alloy plate and method and apparatus for manufacturing the same |
| 12/09/1998 | EP0882144A1 Zinc-phosphatizing method using low nickel and/or cobalt concentrations |
| 12/09/1998 | EP0881959A1 Phosphate coated iron powder and method for the manufacturing thereof |
| 12/09/1998 | CN1201495A Finely crystalline and/or fast phosphate conversion coating composition and process |
| 12/09/1998 | CN1201077A Method for producing shaft sleeve by tetrachronium 13 bar material |
| 12/08/1998 | US5846342 Surface treatment agent for zinciferous-plated steel |
| 12/02/1998 | EP0880410A1 Passivation composition and process for coating |
| 12/02/1998 | EP0585365B1 Process for protecting metallic surfaces using silicate compounds |
| 12/02/1998 | CN1041001C Nickel-free phosphatization process for treating metallic surface |
| 12/01/1998 | US5843338 Water-soluble composition for water-repellent treatments of zinc and zinc alloy and method for water repellent treatment |
| 12/01/1998 | US5843242 Compositions and processes for forming a solid adherent protective coating on metal surfaces |
| 12/01/1998 | CA2040813C Process for phosphating metal surface to make thereon a zinc phosphate coating film |
| 11/26/1998 | WO1998052699A1 Water-based liquid treatment for aluminum and its alloys |
| 11/26/1998 | DE19721345A1 Composition for treatment of alkaline phosphatised substrates |
| 11/26/1998 | CA2291140A1 Water-based liquid treatment for aluminum and its alloys |
| 11/25/1998 | CN1040893C Polymer composition and process for treating surface of metal material |
| 11/19/1998 | WO1998051841A1 Lithium and vanadium containing sealing composition and process therewith |
| 11/19/1998 | WO1998051416A1 Process for phosphating a substrate surface and product therefrom |
| 11/19/1998 | CA2290495A1 Lithium and vanadium containing sealing composition and process therewith |
| 11/18/1998 | EP0878662A2 Pure steam-related apparatus protected from fouling and method of manufacturing the same |
| 11/18/1998 | EP0878562A1 System for preparing wires made of steel, iron, or ferrous materials in general for drawing |
| 11/18/1998 | EP0877832A2 Chromate treatment bath composition and process for application to metals |
| 11/18/1998 | EP0687394B1 Improved process for manufacturing alternator pole piece |
| 11/18/1998 | CN1199428A Non-chromate corrosion inhibitors for aluminum alloys |
| 11/18/1998 | CN1040779C Process for facilitating cold-working operation |
| 11/17/1998 | USRE35958 Fluoride ions with phosphate ions and manganese with crystallization |
| 11/11/1998 | EP0877402A1 Ultrasonically coated substrate for use in a capacitor and method of manufacture |
| 11/11/1998 | EP0877401A1 One step ultrasonically coated substrate for use in a capacitor |
| 11/11/1998 | EP0876849A2 A precoated chromium alloyed steel with good paint adhesion for exhaust applications |
| 11/06/1998 | CA2204550A1 System for preparing wires made of steel, iron, or ferrous materials |
| 11/05/1998 | WO1998049360A1 Resin-coated aluminum alloy sheet for drawn and ironed cans |
| 11/05/1998 | WO1998049359A1 Resin-coated aluminum alloy sheet for drawn and ironed can |
| 11/05/1998 | WO1998049358A1 Resin-coated aluminum alloy sheet for drawn and ironed cans |
| 11/05/1998 | DE19718891A1 Aluminium surface phosphating solution |
| 11/04/1998 | EP0796356B1 Method of applying phosphate coatings to metal surfaces |
| 11/04/1998 | CN1197849A Metallic surface pretreating liquid and method before formation and treatment of phosphate coating |
| 11/03/1998 | US5830290 Method for the manufacture of a spring band clip |
| 11/03/1998 | CA2023663C Process of forming phospate coatings on metal surfaces |
| 10/29/1998 | WO1998048076A1 Phosphatising process accelerated with hydroxylamine and chlorate |
| 10/29/1998 | WO1998048075A1 Surface-treated metal plate and metal surface treating fluid |
| 10/29/1998 | WO1998047631A1 Process for touching up pretreated metal surfaces |
| 10/28/1998 | EP0837954A4 Composition and process for treating the surface of aluminiferous metals |
| 10/28/1998 | EP0760870B1 Iron phosphatisation using substituted monocarboxilic acids |
| 10/22/1998 | DE19716075A1 Mit Hydroxylamin und Chlorat beschleunigtes Phosphatierverfahren With hydroxylamine and chlorate accelerated phosphating |
| 10/21/1998 | CN1196402A Two-colour forming method for metal |
| 10/14/1998 | CN1196005A Precoat conditioning treatment for autodeposition |
| 10/14/1998 | CN1195713A New bonderizing process at normal temp. before laser-quenching |
| 10/11/1998 | CA2231552A1 5,6-0-alkylidenes 1(4)-gluconolactones and derivatives, processes for their preparation and their uses |
| 10/07/1998 | EP0868442A1 Aqueous solutions of phenolic polymers from amino phenols and anhydride polymers or di-epoxides |
| 09/30/1998 | EP0866888A1 Method of phosphating metal surfaces |
| 09/30/1998 | EP0866887A1 Finely crystalline and/or fast phosphate conversion coating composition and process |
| 09/30/1998 | EP0866886A1 Zinc phosphate conversion coating compositions and process |