| 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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| 08/21/1997 | CA2247141A1 Zinc phosphatising using low concentration of copper and mangnese |
| 08/20/1997 | CN1157336A Surface treatment composition, surface treatment solution and surface treatment method for aluminum and its alloys |
| 08/19/1997 | US5658668 Electromagnetic steel sheet and a core made therefrom |
| 08/19/1997 | US5658611 Surface protection material for printed circuit board and process of forming surface protection films |
| 08/14/1997 | WO1997021845A3 Chromate treatment bath composition and process for application to metals |
| 08/13/1997 | EP0788560A1 Corrosion resistant aluminum and aluminum coating |
| 08/07/1997 | WO1997028291A1 Surface-treated metallic material with corrosion resistance and surface treatment used therefor |
| 08/06/1997 | EP0787831A1 Resin-chromate composition and surface-treated metal sheet |
| 08/06/1997 | EP0787830A2 Chromium-free, metal surface-treating composition and surface-treated metal sheet |
| 08/05/1997 | US5653823 Non-chrome post-rinse composition for phosphated metal substrates |
| 08/05/1997 | US5653790 Zinc phosphate tungsten-containing coating compositions using accelerators |
| 07/31/1997 | WO1997027001A1 Passivation composition and process for coating |
| 07/31/1997 | DE19602984A1 Production of protective layer on metal surfaces |
| 07/30/1997 | EP0786616A1 Steel pipe joint having high galling resistance and surface treatment method thereof |
| 07/30/1997 | EP0757725A4 Composition and process for treating the surface of aluminiferous metals |
| 07/30/1997 | EP0717788B1 Pre-rinse for phosphating metal surfaces |
| 07/29/1997 | USRE35576 Method for increasing the corrosion resistance of aluminum and aluminum alloys |
| 07/29/1997 | US5652064 Environmentally friendly coating compositions, bonding solution, and coated parts |
| 07/23/1997 | EP0700452B1 Chromium-free conversion-coating treatment of aluminium |
| 07/22/1997 | US5650356 Automated clinical analyzers, sample holder manipulation, engaging/releasing mechanism |
| 07/16/1997 | EP0689620B1 Non-chrome passivation for metal substrates |
| 07/16/1997 | CN1154390A Polymeric compound composition and process for surface treating aluminium-containing metal material |
| 07/09/1997 | EP0783042A1 Coating for aerospace aluminium parts |
| 07/09/1997 | EP0782635A1 Liquid rinse conditioner for phosphate conversion coatings |
| 07/09/1997 | EP0782609A1 Aqueous lubricant and surface conditioner for formed metal surfaces |
| 07/09/1997 | CN1153833A Inactivation treatment of hot worked metal tools |
| 07/08/1997 | US5646211 Autodeposition coating composition |
| 07/08/1997 | US5645650 Composition and process for treating magnesium-containing metals and product therefrom |
| 07/08/1997 | US5645141 Hoist for roll material surface treatment |
| 07/03/1997 | WO1997023513A1 Aqueous solutions of phenolic polymers from amino phenols and anhydride polymers or di-epoxides |
| 07/03/1997 | CA2236299A1 Aqueous solutions of phenolic polymers from amino phenols and anhydride polymers or di-epoxides |
| 07/02/1997 | EP0781861A1 Coating for aerospace aluminium parts |
| 07/02/1997 | EP0781860A1 Surface treatment process for aluminium and aluminium alloys |
| 07/02/1997 | EP0781258A1 Stainless steel alkali treatment |
| 06/25/1997 | EP0633951B1 Process for treating metal |
| 06/24/1997 | US5641887 Contains carbon dioxide-soluble functional groups such as fluorinated polyether groups |
| 06/24/1997 | US5641578 Weldable black steel sheet |
| 06/24/1997 | US5641542 Chromium-free aluminum treatment |
| 06/24/1997 | US5641537 Composition for and method of monitoring dried-in-place non-chrome polyacrylamide based treatments for metals |
| 06/19/1997 | WO1997021850A1 Zinc phosphate conversion coating compositions and process |
| 06/19/1997 | WO1997021845A2 Chromate treatment bath composition and process for application to metals |
| 06/19/1997 | WO1997021780A1 Hydrophilicizing post-treatment over chromate conversion coating |
| 06/19/1997 | WO1997016581A3 Low-nitrate, manganese-free zinc phosphatization |
| 06/19/1997 | DE19652191A1 Process filtering phosphatising fluid under pressure in presence of electric field |
| 06/19/1997 | DE19542731A1 Aqueous rust-converter composition |
| 06/18/1997 | EP0779377A1 Pretreatment method for coating on metal molded article |
| 06/17/1997 | US5639515 Method for post-treatment of plated steel sheet for soldering |
| 06/13/1997 | CA2192526A1 Pretreatment method for coating on metal molded article |
| 06/12/1997 | WO1997020964A1 Composition and process for zinc phosphate conversion coating |
| 06/12/1997 | CA2237889A1 Composition and process for zinc phosphate conversion coating |
| 06/11/1997 | EP0777763A1 Composition and process for treating metals |
| 06/11/1997 | EP0777535A1 Surface treated, corrosion protected, metal object, and method for treatment of the object for protection against corrosion |
| 06/11/1997 | EP0754250A4 Composition and process for treating the surface of aluminiferous metals |
| 06/11/1997 | CN1151449A Composition and process for treating metal |
| 06/11/1997 | CN1151448A Process of supplementing phosphatizing solutions |
| 06/10/1997 | US5637404 Reflective aluminum strip |
| 06/05/1997 | WO1997020085A1 Method of phosphating metal surfaces |
| 06/05/1997 | DE19544614A1 Verfahren zur Phospatierung von Metalloberflächen Method for phosphating metal surfaces |
| 06/04/1997 | EP0777058A1 Sliding material and methods of producing same |
| 06/04/1997 | EP0776993A1 Method for pickling steel |
| 06/04/1997 | EP0776992A1 Surface-treated steel sheet having chemical conversion resin coating and process for producing the same |
| 06/04/1997 | EP0776384A1 Improved non-chromated oxide coating for aluminum substrates |
| 06/04/1997 | EP0776256A1 Stainless steel acid treatment |
| 06/04/1997 | EP0765405A4 Process for forming a phosphate conversion coating |
| 06/04/1997 | EP0759096A4 A method for pre-treating aluminum materials prior to painting |
| 06/03/1997 | US5635303 Having calcined phosphate surface coating, lightweight, oxidation resistance, for turbine blades, aircraft |
| 05/29/1997 | WO1997018905A1 Method of providing corrosion protection |
| 05/28/1997 | EP0775759A1 System for preparing wires made of steel, iron, or ferrous materials in general for drawing |
| 05/28/1997 | EP0672084A4 A method and composition for treating metal surfaces. |
| 05/28/1997 | CN1035019C Method for dyeing copper surface by organic dyestuff |
| 05/27/1997 | US5632828 Coating preparation for pretreating metal surfaces, and method employing said preparation |
| 05/21/1997 | EP0774535A1 Surface treatment composition, surface treatment solution and surface treatment method for aluminium and its alloys |
| 05/21/1997 | EP0774016A1 No-rinse phosphatising process |
| 05/21/1997 | EP0713541B1 Composition and method for treatment of phosphated metal surfaces |
| 05/20/1997 | US5630929 Highly corrosion-resistant zincate type zinc-iron-phosphorus alloy plating bath and plating method using the plating bath |
| 05/15/1997 | WO1997017480A1 Finely crystalline and/or fast phosphate conversion coating composition and process |
| 05/15/1997 | CA2236173A1 Finely crystalline and/or fast phosphate conversion coating composition and process |
| 05/13/1997 | US5629251 Ceramic coating-forming agent and process for the production thereof |
| 05/13/1997 | US5628839 Components of apparatus for film making and method for manufacturing the same |
| 05/13/1997 | US5628838 Concentrate for activating and defining bath and bath obtained from this concentrate |
| 05/09/1997 | WO1997016582A1 Process for producing laminated steel sheet, laminated steel sheet, and surface-treated steel sheet used therefor |
| 05/09/1997 | WO1997016581A2 Low-nitrate, manganese-free zinc phosphatization |
| 05/07/1997 | EP0771368A1 Process for treating the surface of aluminum sheet for cap manufacturing |
| 05/07/1997 | DE19541285A1 Process for phosphatising metals prior to electro-lacquering |
| 05/02/1997 | EP0770706A1 Water-soluble composition for water-repellent treatments of zinc and zinc alloy and method for water-repellent treatment |
| 05/02/1997 | EP0673445A4 Composition and process for treating tinplate. |
| 05/01/1997 | WO1997015700A1 Aqueous protective and adhesion promoting composition |
| 05/01/1997 | CA2234687A1 Aqueous protective and adhesion promoting composition |
| 04/30/1997 | DE19540085A1 Nitratarme, manganfreie Zinkphosphatierung Nitrate arms, manga free zinc phosphating |
| 04/29/1997 | US5624888 Process and product for lubricating metal prior to cold forming |
| 04/29/1997 | US5624749 Electromagnetic steel sheet having an electrically insulating coating with superior weldability |
| 04/29/1997 | US5624480 Plating bath containing ions of nickel, iron, cobalt, phosphate, and sulfate and organic acid |
| 04/29/1997 | CA2049892C Non-chrome final rinse for phosphated metal |
| 04/24/1997 | WO1997014822A1 Non-chrome post-rinse composition for phosphated metal substrates |
| 04/24/1997 | WO1997014821A1 Layer weight-adjustment in hydroxylamine-accelerated phosphatisation systems |
| 04/24/1997 | DE19538778A1 Schichtgewichtssteuerung bei Hydroxylamin-beschleunigten Phosphatiersystemen Coating weight control in hydroxylamine-accelerated Phosphatiersystemen |
| 04/23/1997 | EP0769569A2 Process for stabilisation of a patina layer |
| 04/23/1997 | EP0769080A1 Conversion coating and process and solution for its formation |
| 04/23/1997 | CN1034683C Composition and process for treating metal surface |
| 04/23/1997 | CN1034682C Chromating method of zinc-based plated steel |