| 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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| 09/25/2013 | CN103320780A High-efficiency normal temperature aluminum alloy passivating solution and preparation technology thereof |
| 09/25/2013 | CN103320779A Passivation solution capable of inhibiting formation of hexavalent chromium in trivalent chromium passivation layer as well as preparation method and application of passivation solution |
| 09/25/2013 | CN103320778A Aviation pipe stainless steel passivation technology |
| 09/25/2013 | CN103320777A Normal temperature non-slag coating agent and production technology therefor |
| 09/25/2013 | CN102534589B Copper block surface brown oxidation method |
| 09/25/2013 | CN102199765B Surface treatment agent for metal |
| 09/24/2013 | US8540826 Method of surface treatment of aluminum foil and its alloy and method of producing immobilized nanocatalyst of transition metal oxides and their alloys |
| 09/19/2013 | WO2013138218A1 Multi-layer protective coating for an aluminum heat exchanger |
| 09/19/2013 | US20130244057 Magnetic head |
| 09/19/2013 | US20130244053 Black Resin Steel Plate Having Improved Drawing Ability and Good Glossiness and Method of Manufacturing the Same |
| 09/19/2013 | US20130244026 Composition for Metal Surface Treatment, Metal Surface Treatment Method, and Metal Material |
| 09/18/2013 | CN203200338U surface treatment device for coating agent |
| 09/18/2013 | CN103314136A Method for coating metallic surfaces with a polymer-containing coating agent, the coating agent and use thereof |
| 09/18/2013 | CN103305854A Phosphating acid pickling fog inhibitor |
| 09/18/2013 | CN103305824A Hot-galvanizing chromate-free passivator and production technology thereof |
| 09/18/2013 | CN103305823A Protection treatment method for heat-insulation anticorrosion surface of engine nacelle |
| 09/18/2013 | CN103305822A Treatment method for improving corrosion resistance of aluminum alloy |
| 09/18/2013 | CN103305355A Aluminum post-etch residue removal with simultaneous surface passivation |
| 09/18/2013 | CN102748887B Manufacturing process of novel solar water heater bracket |
| 09/18/2013 | CN102424963B Phosphate treatment technology for deformation-free scuffing-resistant inner sleeve |
| 09/18/2013 | CN102301034B Mg-based structured member |
| 09/18/2013 | CN102212812B Chromium-free rare-earth environment-friendly chemical conversion treatment method of die casting aluminium alloy part |
| 09/18/2013 | CN102066611B Trichrome passivates for treating galvanized steel |
| 09/18/2013 | CN102011119B Dual-phase steel color metallographic coloring agent and color display method thereof |
| 09/17/2013 | US8535456 Chemical conversion treatment solution for a steel material and chemical conversion treatment method |
| 09/17/2013 | CA2775668C Galvannealed steel sheet and producing method therefor |
| 09/12/2013 | WO2013133435A1 Chemical conversion agent and chemical conversion coating film |
| 09/12/2013 | WO2013133434A1 Surface treatment method for aluminum heat exchangers |
| 09/11/2013 | CN203187753U Automatic phosphorizing solution temperature control device |
| 09/11/2013 | CN103290401A Chromium-free self-lubricating passivation solution and preparation method thereof |
| 09/11/2013 | CN103290400A Self-healing environment-friendly type steel normal-temperature blackening agent |
| 09/11/2013 | CN103290283A Thermal insulation board of automobile exhaust pipe and manufacturing method thereof |
| 09/11/2013 | CN102677037B Immersion tin after-treatment solution composition |
| 09/11/2013 | CN102660737B TiNb-alloy surface biological activating treatment method |
| 09/11/2013 | CN102534603B Composite prefilming technique of steam condenser copper tube |
| 09/11/2013 | CN102133569B Anti-corrosion paint coating method of aluminum alloy piece for power station |
| 09/11/2013 | CN101896632B Method for producing corrosion-resistant surfaces of nitrated or nitrocarburated steel components |
| 09/06/2013 | WO2013127515A1 Method for manufacturing a steel product |
| 09/04/2013 | EP2634288A1 Electromagnetic steel sheet and process for production thereof |
| 09/04/2013 | EP2633099A1 Aqueous composition for pretreating a metal surface before applying another coating or for treating said surface |
| 09/04/2013 | CN103276395A Preparation method for micro-oil storage laser grid composite solid lubricating layer |
| 09/04/2013 | CN103276388A Device and method for online monitoring and automatic supplementation of phosphating solution |
| 09/04/2013 | CN103276387A Method for preparing cerium-manganese/molybdenum multi-element composite conversion coating on surface of aluminum alloy |
| 09/04/2013 | CN103276386A Chromium-free environment-friendly passivator for brass cartridge case of cartridge and preparation method |
| 09/04/2013 | CN103276385A Method for preparing high-corrosion-resistance colored passivating film on surface of aluminum alloy |
| 09/04/2013 | CN103276384A General type metal ceramic coating treating agent and preparation method thereof |
| 09/04/2013 | CN103276383A Environmental protection type thread steel surface antirust treatment agent |
| 09/04/2013 | CN103276382A Preparation method for titanium dioxide array film with branch nano-structure and product and use thereof |
| 09/04/2013 | CN103276381A Improved copper-protection agent |
| 09/04/2013 | CN103276305A Preparation process of austenitic stainless steel pipe of high-sulfur-resisting petroleum casing |
| 09/04/2013 | CN103276297A Self-connecting type and high-strength seamless steel tube for rope coring drill rod, as well as manufacturing method thereof |
| 09/04/2013 | CN103272749A Surface treatment method of zinc alloy die casting |
| 09/04/2013 | CN102433559B Rare earth cerium-containing metal treatment fluid and production method thereof |
| 09/04/2013 | CN102352501B Method for forming corrosion inhibiting film on steel and iron surface |
| 09/04/2013 | CN102220577B Organic and inorganic composite aqueous surface treatment liquid for color coating pretreatment of galvanized sheet |
| 08/29/2013 | WO2013126632A1 Replenishing compositions and methods of replenishing pretreatment compositions |
| 08/28/2013 | EP2631333A1 Pre-treatment of zinc surfaces before passivation |
| 08/28/2013 | CN203159711U Zipper oxidizing device saving oxidizing liquid chemicals |
| 08/28/2013 | CN203159710U A lead calcium alloy grid surface and aging treatment device for a lead-acid battery |
| 08/28/2013 | CN103266326A Wire rope pickling method |
| 08/28/2013 | CN103266316A Phosphating solution online-monitoring and automatic-supplementing apparatus |
| 08/28/2013 | CN103266315A Preparation method of aluminum alloy cobalt salt chemical conversion coating treating fluid |
| 08/28/2013 | CN103266314A Method for treating aluminum alloy cobalt salt chemical conversion coating |
| 08/28/2013 | CN103266313A Electro-galvanizing environment-friendly passivation solution and using method thereof |
| 08/28/2013 | CN102392240B Zinc alloy blackening liquid |
| 08/28/2013 | CN102363101B Submerged membrane filtration system and process for removing suspended solid from phosphating liquid |
| 08/21/2013 | CN203144512U Electric heating system for stranded steel wire phosphorization tank |
| 08/21/2013 | CN103255408A Steel barrel surface zirconizing treatment process |
| 08/21/2013 | CN103255407A Online passivation equipment for slitting of sheet metal strips |
| 08/21/2013 | CN103255406A Surface treatment method of round steel camshaft and round steel camshaft |
| 08/21/2013 | CN103255405A Rare earth chromate-free passivation liquid for coating treatment of material and application of rare earth chromate-free passivation liquid |
| 08/21/2013 | CN103255404A Environment-friendly non-toxic blue-white passivator |
| 08/21/2013 | CN103255403A Non-chrome black passivator |
| 08/21/2013 | CN103255402A Non-chrome white passivator |
| 08/21/2013 | CN103255401A Phosphating solution and preparation method thereof |
| 08/21/2013 | CN103255400A Environment-friendly water-based antirust agent and preparation method thereof |
| 08/21/2013 | CN103252941A Lithium ion battery housing material plastic-aluminum composite membrane and preparation method thereof |
| 08/21/2013 | CN102586772B Passivation process after chemical cleaning of boiler |
| 08/21/2013 | CN102409328B Surface modification method of alloy fiber |
| 08/21/2013 | CN102400125B Nd-Fe-B magnet material double-layered protecting method employing titanium/zirconium conversion coating and organic coating |
| 08/21/2013 | CN102227515B Electromagnetic steel sheet and method for producing same |
| 08/21/2013 | CN101974744B Manganese phosphide chrome passivant and manufacturing method thereof |
| 08/21/2013 | CN101967632B Steel wire surface processing method |
| 08/21/2013 | CN101854096B Method for manufacturing support bar for positioning stator core of large-size asynchronous motor |
| 08/21/2013 | CN101623944B Magnesium alloy sandwich plate and preparation method thereof |
| 08/20/2013 | US8512484 Passivating means, surface treatment means, surface treatment spray means and method for treating metallic surfaces of work pieces or cast molds |
| 08/15/2013 | US20130209830 Steel sheet for containers and manufacturing method for same |
| 08/15/2013 | US20130209827 Steel sheet for containers and manufacturing method for same |
| 08/15/2013 | US20130209679 Method for forming a metal deposit on the surface of a substrate, and uses thereof |
| 08/15/2013 | US20130206285 Manufacturing method for steel sheets for containers |
| 08/15/2013 | US20130206284 Method for Producing a Hot-Formed and Hardened Steel Component Coated with a Metallic Anti-Corrosion Coating from a Sheet Steel Product |
| 08/14/2013 | EP2626440A1 Ferritic stainless steel having excellent corrosion resistance and electrical conductivity, method for producing same, solid polymer fuel cell separator, and solid polymer fuel cell |
| 08/14/2013 | EP2625312A1 Method for passivating metallic surfaces with aqueous compositions comprising surfactants |
| 08/14/2013 | EP2625311A1 Method for passivating a metallic surface |
| 08/14/2013 | EP2625310A1 Method for passivating a metallic surface using a basic composition |
| 08/14/2013 | EP2625298A1 Method for producing an insulation coating on a grain-oriented electrical steel flat product and electrical steel flat product coated with such an insulation coating |
| 08/14/2013 | CN203128662U Workpiece passivation cleaning device |
| 08/14/2013 | CN203128661U Single-wire tank for coating boron on metal wires |
| 08/14/2013 | CN203128660U Double-wire tank for coating boron on metal wires |
| 08/14/2013 | CN103249867A Metal pretreatment composition containing zirconium, copper, and metal chelating agents and related coatings on metal substrates |