| 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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| 12/05/2012 | EP2529041A1 Painting pre-treatment processes with low environmental impact, as an alternative to conventional phosphating treatments |
| 12/05/2012 | CN102808173A Preparation method of metal surface chemical conversion film for polyurea anticorrosive coating |
| 12/05/2012 | CN102808172A Universal environment-friendly non-phosphorus phosphating solution |
| 12/05/2012 | CN102808171A Quick environment-friendly phosphorus-free phosphating solution |
| 12/05/2012 | CN102808170A Treating fluid for corrosion-resistant rare earth conversion film on surface of aluminum alloy, and application method thereof |
| 12/05/2012 | CN102808169A Lubricating method for aluminum alloy |
| 12/05/2012 | CN102234799B Zinc layer surface conversion film forming liquid, and application method thereof |
| 12/05/2012 | CN102234798B Magnesium alloy surface conversion film forming solution and using method thereof |
| 12/05/2012 | CN102191494B Treatment solution for reducing oxidation films on surface of copper and copper alloys and treatment method thereof |
| 12/05/2012 | CN102011115B Pretreatment liquid and pretreatment method before rare earth conversion |
| 12/05/2012 | CN101970722B Passivating agent, surface treatment agent, surface treatment spray agent and method for treating metallic surfaces of work pieces or cast molds |
| 12/05/2012 | CN101960049B Resin coated steel sheet, resin composition therefor and steel sheet treatment composition |
| 12/04/2012 | US8323747 Zeolite containing wash coats for adsorber heat exchangers and temperature controlled adsorbers |
| 11/29/2012 | WO2012161341A1 Surface treating composition for copper and copper alloy and utilization thereof |
| 11/29/2012 | US20120299676 Corrosion-resistant magnet and method for producing the same |
| 11/28/2012 | EP2527491A1 Stainless steel for current-carrying member having low electrical contact resistance, and process for production thereof |
| 11/28/2012 | EP2526219A1 Anticorrosion sol-gel coating for metal substrate |
| 11/28/2012 | CN102803561A Steel sheet for container and method for producing same |
| 11/28/2012 | CN102797927A Novel pipe fitting and manufacturing method thereof |
| 11/28/2012 | CN102797005A Contamination treatment method for surface of dust collecting plate of electrostatic air purification device |
| 11/28/2012 | CN102797004A Environmentally-friendly non-ferrous metal surface treating agent and preparation method thereof |
| 11/28/2012 | CN102797003A Air-conditioner spring passivation solution and preparation method thereof |
| 11/28/2012 | CN102797002A Pretreatment process for metal coating |
| 11/28/2012 | CN102321882B Built-in gas heated steel wire continuous phosphating tank unit |
| 11/28/2012 | CN102220576B Magnesium alloy surface chemical treatment solution and surface chemical treatment method |
| 11/28/2012 | CN102146561B Film forming solution for zinc and zinc alloy surface environmentally-friendly blackened film and using method of film forming solution |
| 11/28/2012 | CN102011112B Zinc and zinc alloy plating black passivation solution and preparation method thereof |
| 11/28/2012 | CN101956189B Method for treating inner surface of steel drum |
| 11/28/2012 | CN101855386B Method of water-carrying components made from brass alloys which release reduced quantities of metal ions |
| 11/28/2012 | CN101665936B Normal-temperature phosphating agent for pre-processing before spray-coating of steel plate workpiece and preparation method thereof |
| 11/28/2012 | CN101541991B Unidirectionally grain oriented electromagnetic steel sheet having excellent film adhesion, and method for manufacturing the same |
| 11/22/2012 | WO2012157758A1 Liquid for forming microstructure film on metal surface |
| 11/22/2012 | WO2012156176A1 A process of electrolytic galvanizing with an enhanced anti-corrosive protection |
| 11/21/2012 | CN202543328U Antiseptic treatment system of water channel of water-cooling engine base of motor |
| 11/21/2012 | CN102791894A Magnesium alloy member |
| 11/21/2012 | CN102787313A Treatment solution for preparing molybdenum-cerium composite conversion membrane on surface of magnesium alloy, and treatment method thereof |
| 11/21/2012 | CN102787312A Chromium-free passivation surface treatment agent for aluminum profile before coating |
| 11/21/2012 | CN102787311A Rare earth-fluorozirconate compounding processing agent technology suitable for catholic electrophoresis pretreatment |
| 11/21/2012 | CN102787310A Metal surface treatment agent |
| 11/21/2012 | CN102084438B Corrosion-resistant magnet and method for producing the same |
| 11/21/2012 | CN101891998B Paint composition and galvanized passivated material |
| 11/20/2012 | US8313570 Off-white and gray autodeposition coatings |
| 11/15/2012 | WO2012153766A1 Chemical conversion treatment agent for surface treatment of metal substrate, and surface treatment method of metal substrate using same |
| 11/15/2012 | CA2835085A1 Chemical conversion treatment agent for surface treatment of metal substrate and method for surface treatment of metal substrate using the same |
| 11/14/2012 | CN202530182U Device for pretreating color-coated plate |
| 11/14/2012 | CN1839219B Adhesion promotion in printed circuit boards |
| 11/14/2012 | CN1777700B Method for coating metallic surfaces with a mixture containing at least two silanes |
| 11/14/2012 | CN102782187A Ainting pre-treatment processes with low environmental impact, as an alternative to conventional phosphating treatments |
| 11/14/2012 | CN102782186A Chromium -free passivation process of vapor deposited aluminum surfaces |
| 11/14/2012 | CN102782185A Non-oriented electromagnetic steel sheet and process for production thereof |
| 11/14/2012 | CN102776504A Drying-free steel wire dehydrating agent |
| 11/14/2012 | CN102776503A Preservative treatment technology method for stainless-steel pressure-bearing water tank inner tank |
| 11/14/2012 | CN102776502A Copper base gradient contact angle functional surface and preparation method thereof |
| 11/14/2012 | CN102776501A Aluminum and aluminum alloy non-chromium passivation method and non-chromium passivation solution |
| 11/14/2012 | CN102776500A Aluminum or aluminum alloy surface chemical conversion treatment method |
| 11/14/2012 | CN102776499A Biomimetic mineralization method for preparing magnesium alloy-calcium phosphate coating composite material |
| 11/14/2012 | CN102776498A Method for reducing negative camber abrasion of stator of automobile steering vane pump |
| 11/14/2012 | CN102776497A Sleeve type vapor heating steel wire phosphorization unit |
| 11/14/2012 | CN102776496A Tin layer anti-blushing agent for high-temperature backflow as well as preparation method and use method of tin layer anti-blushing agent |
| 11/14/2012 | CN102774085A Hydrophobic base plate and manufacturing method thereof |
| 11/14/2012 | CN101910464B Coating solution for forming insulating film, method for forming insulating film of non-oriented electrical steel sheet and non-oriented electrical steel sheet by using it |
| 11/14/2012 | CN101885934B Method for performing anticorrosive hydrophobic modification on surface of aluminum alloy |
| 11/14/2012 | CN101809199B Corrosion proteciton of bronzes |
| 11/14/2012 | CN101512044B Non-chromic thin organic-inorganic mixing coating layer for zincic metal |
| 11/14/2012 | CN101142079B Surface-treated metallic material |
| 11/13/2012 | US8309177 Method for treatment of chemically passivated galvanized surfaces to improve paint adhesion |
| 11/07/2012 | EP2521141A1 Corrosion-resistant magnet and method for producing the same |
| 11/07/2012 | EP2519658A2 Metal pretreatment composition containing zirconium, copper, zinc, and nitrate and related coatings on metal substrates |
| 11/07/2012 | CN202518976U Feeding device |
| 11/07/2012 | CN102770583A Inorganic phosphate corrosion resistant coatings |
| 11/07/2012 | CN102766864A Gas heating, hot water washing, boronizing and saponification integrated unit for steel wires |
| 11/07/2012 | CN102766863A Rusting agent, preparation method thereof and rusting method |
| 11/07/2012 | CN102766862A Treating fluid and method for preparing vanadium-zirconium composite conversion coatings with self-repairing performance on aluminum alloy surfaces through same |
| 11/07/2012 | CN102766861A Process for producing a repair coating on a coated metallic surface |
| 11/07/2012 | CN102766836A Surface treatment method of steel structure rod piece with cavity |
| 11/07/2012 | CN102212803B Hole-sealing agent for chemical nickel plating layer and hole-sealing treatment process thereof |
| 11/07/2012 | CN102181853B Novel treatment fluid for chromium-free passivation of aluminum alloy |
| 11/07/2012 | CN101760737B Method for preparing enhanced heat-transfer and scale prevention coating of micron/nanometer titanium dioxide on stainless steel substrate |
| 11/07/2012 | CN101688309B Aqueous fluid for surface treatment of zinc-plated steel sheets and zinc-plated steel sheets |
| 11/06/2012 | US8304092 Surface-treated galvanized steel sheet with superior flat-portion corrosion resistance, blackening resistance, and appearance and corrosion resistance after press forming and aqueous surface-treatment liquid for galvanized steel sheet |
| 11/01/2012 | WO2012147860A1 Surface-treated metal material and aqueous metal surface treatment agent |
| 11/01/2012 | WO2012147288A1 Water-repellent substrate, heat exchanger using water-repellent substrate, and method for producing water-repellent substrate |
| 11/01/2012 | US20120273090 Process and material solution to reduce metal ion release for implantable medical device application |
| 11/01/2012 | US20120272461 Dyes with changeable solubilities, and methods for their use |
| 11/01/2012 | CA2833367A1 Surface-treated metal material and aqueous metal surface-treatment agent |
| 10/31/2012 | EP2518183A2 Resin composition for pre-coated steel sheet having excellent welding properties, workability and corrosion resistance, and a production method for pre-coated steel sheet and steel sheet using the same |
| 10/31/2012 | EP2518181A1 High-strength cold rolled steel sheet and method for producing same |
| 10/31/2012 | CN202509133U Partial passivation tool for mirror plane stainless steel band |
| 10/31/2012 | CN102762769A Method for passivating stainless steel |
| 10/31/2012 | CN102762768A Magnesium-lithium alloy and surface treatment method therefor |
| 10/31/2012 | CN102758511A Steel decorative material with corroded surface |
| 10/31/2012 | CN102758199A Manufacturing method of magnetic roller and developing roller |
| 10/31/2012 | CN102758198A Super-molecular membranization surface treatment method |
| 10/31/2012 | CN102758197A Corrosion-resistant trivalent-chromium chemical conversion coating and solution for trivalent-chromium chemical treatment |
| 10/31/2012 | CN102758196A Brass gold color dyeing solution and preparation method thereof as well as method for dyeing gold color on brass |
| 10/31/2012 | CN102011113B Liquid antirusting agent used in railway vehicle water sandblasting antirusting process as well as preparation method and application thereof |
| 10/31/2012 | CN101962766B Copper plated organic coating preparation for preventing copper surface from oxidation |
| 10/30/2012 | US8298350 Chromium-free conversion coating |
| 10/24/2012 | EP2514853A2 Coating-forming liquid composition and coating-forming method therewith |
| 10/24/2012 | CN102753728A Composition for the alkaline passivation of zinc surfaces |