| 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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| 01/18/1995 | EP0633951A1 Composition and process for treating metal. |
| 01/18/1995 | EP0478648B1 Process for producing zinc phosphate coatings containing manganese and magnesium |
| 01/17/1995 | US5382333 Copper foil laminate with copper oxide films formed in oxygen |
| 01/17/1995 | CA1333989C Titanium free composition and process for activating metal surfaces prior to zinc phosphating |
| 01/10/1995 | US5380554 Chromic oxide coatings by thermal decomposition of chromic acid anhydride (CrO3) |
| 01/10/1995 | US5380451 Bath for the pre-treatment of light metals |
| 01/10/1995 | US5380374 Corrosion resistant coating of zirconium, fluoride and calcium ions for aluminum, ferrous and magnesium alloyed materials |
| 01/05/1995 | WO1995000680A1 Composition and process for treating a zinciferous surface |
| 01/05/1995 | WO1995000678A1 Method of manufacturing metal components protected against corrosion, and metal components manufactured by this method |
| 01/05/1995 | DE4334628A1 Process for protecting metallic materials against corrosion by passivation |
| 01/04/1995 | EP0558581B1 Composition and method for treating tin plated steel surface |
| 01/04/1995 | EP0533823B1 Liquid composition and process for treating aluminium or tin cans to impart corrosion resistance and reduced friction coefficient |
| 01/04/1995 | EP0469011B1 Process not using chlorate or nitrite for the production of nickel and manganese-containing zinc phosphate films |
| 01/03/1995 | US5378379 Aqueous lubricant and surface conditioner, with improved storage stability and heat resistance, for metal surfaces |
| 01/03/1995 | US5378293 Non-chromated oxide coating for aluminum substrates |
| 01/03/1995 | US5378292 Phosphate ions, zinc cations, sugars or starches, manganese cations and cations of nickel, cobalt and magnesim with fluoride |
| 01/03/1995 | US5378291 Coating composition for metal |
| 01/03/1995 | US5377494 Heat exchanging apparatus and a method of preventing corrosion |
| 12/28/1994 | EP0553164B1 Method for chromating treatment of zinc coated steel |
| 12/27/1994 | US5376342 Recycling by mixing with water and phosphoric acid; precipitation of iron phosphate |
| 12/27/1994 | US5376190 Method for producing a green protective coating on copper |
| 12/27/1994 | CA1333683C Process for phosphating metal surfaces |
| 12/23/1994 | CA2109057A1 Treatment for galvanized metal |
| 12/22/1994 | WO1994029495A1 Rapidly dissolving and storage stable titanium phosphate containing activating composition |
| 12/20/1994 | US5374365 Aromatic rings linked by direct bond in ortho position relative to hydroxyl group; end aromatic rings contain either oximino or alkylaminomethyl substituents in ortho position |
| 12/20/1994 | US5374347 Immersion in an aqueous acidic solution free of hexavalent chromium and containing a trivalent chromium compound and an alkaline reagent; oxidation aftertreatment |
| 12/14/1994 | EP0573585B1 Two-step chemical/electrochemical process for coating magnesium |
| 12/13/1994 | US5372656 Process for producing manganese-containing zinc phosphate coatings on galvanized steel |
| 12/08/1994 | WO1994028193A1 Chromium-free conversion-coating treatment of aluminium |
| 12/08/1994 | DE4413785A1 Method for applying a lubricant onto stationary and moving parts in a latching mechanism of an electrical switching device |
| 12/07/1994 | CN1026902C Hydrophilic slushing film-forming agent on the surface of aluminum heat exchanger and aluminum foil and film-forming method thereof |
| 12/06/1994 | US5370909 Liquid composition and process for treating aluminum or tin cans to impart corrosion resistance and mobility thereto |
| 11/30/1994 | EP0626469A1 Tickling process for high-alloyed workpieces |
| 11/29/1994 | US5368655 Process for chromating surfaces of zinc, cadmium and alloys thereof |
| 11/24/1994 | WO1994026807A1 Hydrophilicizing sealer treatment for metal objects |
| 11/24/1994 | CA2161247A1 Hydrophilicizing sealer treatment for metal objects |
| 11/23/1994 | EP0625582A2 Treating agent for producing an insulating film on a non-oriented electrical steel sheet |
| 11/23/1994 | EP0438601B1 Insulation coating composition for electric sheet and method of insulation coating of electric sheet |
| 11/22/1994 | US5366567 Method for chromating treatment of zinc coated steel |
| 11/22/1994 | CA1333147C Process of phosphating steel and/or galvanized steel before painting |
| 11/22/1994 | CA1333141C Brass-coated steel elements having improved rubber adhesion properties |
| 11/17/1994 | EP0624182A1 Autodeposition coating composition |
| 11/17/1994 | DE4315411A1 Process for regenerating spent chromic acid solutions |
| 11/16/1994 | CN1095116A Metal surface treatment chemical composition for cold working for formation of composite coatings and process for forming composite coatings |
| 11/15/1994 | US5364478 Method for producing a color-coated article |
| 11/15/1994 | CA1333043C Surface treatment chemical and bath for aluminium and its alloy |
| 11/15/1994 | CA1333030C Method of producing highly corrosion-resistant surface-treated steel plates |
| 11/10/1994 | WO1994025640A1 Composition and process for imparting a bright blue color to zinc/aluminum alloy |
| 11/08/1994 | US5362335 Rare earth coating process for aluminum alloys |
| 11/08/1994 | US5362333 With aqueous solution of nickel and cobalt sulfates or phosphates and optionally a complexing agent, drying |
| 11/08/1994 | CA1332910C Process of phosphating before electroimmersion painting |
| 11/08/1994 | CA1332896C Highly corrosion-resistant surface-treated steel plate |
| 11/03/1994 | DE4314161A1 Process for the surface treatment of an opening roller for open-end spinning |
| 11/02/1994 | CN1094336A Treating method for metal or aluminium alloy flashlight surface |
| 11/02/1994 | CN1026423C Chromate compownd for metal zinc plating layer inactivation |
| 11/01/1994 | US5360492 Pretreating composition containing substituted triazine compound |
| 11/01/1994 | CA1332801C Chromium free treatment before coating metal surfaces |
| 10/27/1994 | WO1994024333A1 Method of increasing the corrosion resistance of stainless steel |
| 10/26/1994 | EP0620869A1 A method for the acidic conversion treatment of aluminum containing metal |
| 10/26/1994 | EP0510105B1 Surface-treatment method for tin-plated drawn and ironed cans |
| 10/26/1994 | CN1026341C Liquid for phosphorization at atmosphere temperature |
| 10/26/1994 | CN1026340C Multifunctional antirust agent |
| 10/25/1994 | US5358623 Corrosion resistant anodized aluminum |
| 10/18/1994 | US5356977 Hydrophilicizing sealer treatment for metal objects |
| 10/18/1994 | US5356679 Pipe surface coating with conversion and thermosetting resin layer, and process for the coating application |
| 10/18/1994 | US5356492 Surface treating with a solution of hydrogen peroxide and cerous chloride followed by coating with alcoholic solution of glycidyloxypolyfunctionalmethoxysilane |
| 10/18/1994 | US5356491 Composition and method for treating tin plated steel surface |
| 10/18/1994 | US5356490 Coating surface with hexafluorometallic acids, metal oxides or hydroxides and optional polymer; corrosion resistance |
| 10/18/1994 | CA1332560C Phosphating process |
| 10/13/1994 | WO1994023089A1 Composition and process for substitutionally plating zinciferous surfaces |
| 10/13/1994 | CA2158856A1 Composition and process for substitutionally plating zinciferous surfaces |
| 10/12/1994 | CN1093416A Process for facilitating cold-working operation |
| 10/12/1994 | CN1093415A Acid displacement-plating liquid composition for steel strips plated with zinc-containing metal |
| 10/11/1994 | US5354383 A bath of sulfuric acid, a ferric compound, hydrofluoric acid, stabilized hydrogen peroxide, nonionic surfactant, an acid acceptor and an air flow; sludge-free; versatility |
| 10/11/1994 | CA1332346C Process for the phosphate chemical conversion treatment of a steel material |
| 10/04/1994 | US5352541 Aluminum fluoride surface coating |
| 09/29/1994 | WO1994022174A1 Coated metal plate for positive electrode can of dry cell and positive electrode can made thereof |
| 09/29/1994 | WO1994021842A1 Non-chrome passivation for metal substrates |
| 09/27/1994 | US5350791 Hydrophilic alloys for fins in heat exchangers |
| 09/27/1994 | US5350517 Method of recycling phosphating sludges |
| 09/27/1994 | CA2116788A1 Visible dried-in-place non-chrome polyacrylamide based treatment for aluminum |
| 09/20/1994 | US5348640 Phosphate coating of aluminum substrate |
| 09/20/1994 | US5348590 Surface treating agent for copper or copper alloys |
| 09/20/1994 | CA1332040C Chromium-containing low-cure coating composition |
| 09/18/1994 | CA2119722A1 Non-toxic organic corrosion inhibitor |
| 09/15/1994 | DE4307591A1 Process for the reduction of nitrite concentration in phosphate bath systems |
| 09/14/1994 | EP0614715A1 Wheel speed measuring gear and method of manufacturing the same |
| 09/13/1994 | US5347015 Chemisorbed thin films as protection for metals |
| 09/13/1994 | CA2020285C Production of grain-oriented silicon steel sheets having an insulating film formed thereon |
| 09/13/1994 | CA1331939C Method for coating a metal covered with metal oxide film with refractory metal oxide |
| 09/08/1994 | DE4306645A1 Method for cleaning, sterilising and implanting substrates by means of a high-energy compressed fluid |
| 09/07/1994 | EP0613964A1 Process for facilitating cold forming |
| 09/07/1994 | EP0613931A2 Bake hardenable steel coated with a water based chromium bearing organic resin |
| 09/06/1994 | US5344713 Corrosion resistant coating, drawing |
| 09/06/1994 | US5344505 Non-chromium passivation method and composition for galvanized metal surfaces |
| 09/06/1994 | US5344504 Treatment for galvanized metal |
| 09/01/1994 | WO1994019640A1 Piping element for burried conduit, corresponding burried conduit, and method for protecting said piping element |
| 09/01/1994 | WO1994016120A3 Phosphating compositions and processes, particularly for use in fabrication of printed circuits utilizing organic resists |
| 08/30/1994 | USRE34707 Anticorrosion coating composition with improved stability, and coated substrate |
| 08/30/1994 | US5342456 Covering surface with layer of aqueous acidic liquid containing specified fluorine-containing anions, metal cations and film forming composition, drying, applying protective coating |