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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04/24/2013 | CN103060698A Preparation process for corrosion-resistant die steel |
04/24/2013 | CN103060672A Preparation process for die steel |
04/24/2013 | CN103060666A Casting method of alloy body of spherical check valve |
04/24/2013 | CN103056173A Turning roll with spongy chromium plating technique to achieve roll face texturing and manufacturing method thereof |
04/24/2013 | CN103056095A Method for manufacturing corrosion-resistant self-lubricating precise unthreaded copper shaft |
04/24/2013 | CN102218532B Production equipment and method for insulating iron powder |
04/24/2013 | CN102070928B Color coating chromium-free pretreatment solution for galvanized plate |
04/23/2013 | US8425693 Method for making and using chromium III salts |
04/23/2013 | US8425692 Process and composition for treating metal surfaces |
04/18/2013 | WO2013054905A1 Paint pretreatment agent for coating-type paint, and coating-type painting method |
04/18/2013 | WO2013054904A1 Chemical conversion coating agent |
04/18/2013 | WO2013054066A1 Process for the anticorrosion treatment of a solid metal substrate and metal substrate capable of being obtained by such a process |
04/18/2013 | WO2013054064A1 Process for the anticorrosion treatment of a solid metal substrate and treated solid metal substrate capable of being obtained by such a process |
04/18/2013 | WO2013026153A8 Nano-particle polymer composite |
04/18/2013 | US20130094021 Method of fabricating gold nanostructures using electroless displacement plating |
04/18/2013 | CA2851499A1 Process for the anticorrosion treatment of a solid metal substrate and treated solid metal substrate capable of being obtained by such a process |
04/18/2013 | CA2850046A1 Paint pretreatment agent for coating-type paint, and coating-type painting method |
04/17/2013 | EP2581471A1 Inorganic chromium-free metal surface treatment agent |
04/17/2013 | CN103052737A Surface-treated metal material having excellent scale adhesion-suppressing properties, method for producing same, heat exchanger, and seawater evaporator |
04/17/2013 | CN103046095A Electroplated metal antiblushing agent and preparation method and using method thereof |
04/17/2013 | CN103046041A Preparation method of nanoparticle-doped self-assembled film with corrosion resisting function on surface of aluminium alloy |
04/17/2013 | CN103046040A Chromium-free metal surface treatment composition |
04/17/2013 | CN103046039A One-step method non-phosphorus skin film agent |
04/17/2013 | CN103046038A Room temperature blackening agent suitable for iron casting and method for preparing room temperature blackening agent suitable for iron casting |
04/17/2013 | CN103046037A High corrosion resistance trivalent chromium blue and white passivating liquid as well as preparation method and application of blue and white passivating liquid |
04/17/2013 | CN103046036A Metal derusting and antirusting agent and preparation method of metal derusting and antirusting agent |
04/17/2013 | CN103046035A Processing technology of scales on surface of stainless steel needle tubing |
04/17/2013 | CN103045816A Quenching and bluing solution and using method thereof |
04/17/2013 | CN102400167B Chemical cleaning method for scales on tube of evaporator for producing ammonium sulfate |
04/17/2013 | CN102268664B Chromium-free passivating solution used for black passivation treatment of zinc plating and preparation method thereof |
04/17/2013 | CN102228885B Preparation process of anti-corrosion high-temperature-resistant ceramic compounding membrane layer, phosphorization liquid and coating thereof |
04/17/2013 | CN101818339B Surface rare-earth film transforming agent and surface rare-earth film transformation processing method of aluminium alloy |
04/17/2013 | CN101663419B Metal surface pretreatment fluid for cationic electrodeposition coating |
04/17/2013 | CN101036198B Process for coating fine particles with conductive polymers |
04/11/2013 | WO2013051270A1 Annealing separator agent for grain-oriented electromagnetic steel sheet |
04/10/2013 | EP2576861A1 Process for forming corrosion protection layers on metal surfaces |
04/10/2013 | EP2576706A1 A metal part coated with a first non - hexavalent chromium chemical conversion coating and a second sol gel coating and a process for its production |
04/10/2013 | EP2576083A1 Corrosion resistant metallate compositions |
04/10/2013 | CN202865345U Switching device of coating machines without downtime |
04/10/2013 | CN202865344U Surface treatment device for finished product material steel wire |
04/10/2013 | CN103038391A Inorganic chromium-free metal surface treatment agent |
04/10/2013 | CN103031584A Process of silane-zirconium salt conversion treatment before metal cathode electrophoresis coating |
04/10/2013 | CN103031554A Formula of hot dip organic low acid chromate-free passivator |
04/10/2013 | CN103031553A Environment-friendly passivating agent for performing treatment before color coating and preparation method thereof |
04/10/2013 | CN103031552A Production method for chemically coloring low-chromium stainless steel into black |
04/10/2013 | CN103031551A Metal surface silane treating agent containing ethylene diamine tetramethylene risedremate sodium and preparation method thereof |
04/10/2013 | CN103031550A Metallic workpiece pretreatment silane surface treatment agent and preparation method thereof |
04/10/2013 | CN103031549A Metal surface silane treating agent containing plant ash and preparation method thereof |
04/10/2013 | CN103031548A Metal surface silane treating agent containing ammonium metavanadate and preparation method thereof |
04/10/2013 | CN102242364B Preparation method of ceramic film through chemical conversion and micro-arc oxidation of aluminum and aluminum alloy |
04/10/2013 | CN101681709B 软磁性粉末 Soft magnetic powder |
04/10/2013 | CN101391115B Preparation method of biological activity protein or polypeptides coating biology bracket |
04/04/2013 | WO2013047318A1 Surface treatment agent for aluminum heat exchangers and surface treatment method |
04/03/2013 | CN202849543U Open barrel phosphorization device |
04/03/2013 | CN103025917A Electromagnetic steel sheet and process for production thereof |
04/03/2013 | CN103014695A Processing method for surface of hydrophobic aluminum |
04/03/2013 | CN103014694A Rare-earth passivation method for improving corrosion resistance of chromium carbide coating on stainless steel surface |
04/03/2013 | CN103014693A Normal temperature comprehensive treating agent used before spraying and coating cold-roll steel sheet and preparation method thereof |
04/03/2013 | CN103014692A Method for preventing discoloration of high-purity oxygen-free copper busbar for large motor |
04/03/2013 | CN103014691A TiZr conversion coating/organic coating double-layered prevention method applied to steel fasteners |
04/03/2013 | CN103014690A Novel pollution-free black passivation solution used for providing galvanized surface |
04/03/2013 | CN103014689A Environment-friendly galvanization, black Zn-Fe alloy passivation solution and preparation method |
04/03/2013 | CN103014688A Novel galvanizing and chrome-free passivating technology |
04/03/2013 | CN103014687A Glycerol trilaurate-containing modified silanization metal surface pretreatment agent and preparation method thereof |
04/03/2013 | CN103014300A White etching cracks robustness increase of a roller bearing |
04/03/2013 | CN103014252A Thermal treatment process of rustproof steel plate |
04/03/2013 | CN103008665A Preparation technology for plug valve clack |
04/03/2013 | CN103008663A Powder metallurgy preparing method for valve rod of diaphragm valve |
04/03/2013 | CN102367576B EDTA (Ethylene Diamine Tetraacetic Acid) low-temperature cleaning aid and application thereof |
04/02/2013 | US8409370 Treatment solution for insulation coating for grain oriented electrical steel sheet and method for producing grain oriented electrical steel sheet having insulation coating |
03/28/2013 | WO2013042725A1 Method for treating surface of aluminum heat exchanger |
03/28/2013 | WO2013041395A1 Method for coating light-alloy rims |
03/28/2013 | US20130078367 Adhesion promotion in printed circuit boards |
03/27/2013 | EP2573214A1 Protection of magnesium alloys by aluminum plating from ionic liquids |
03/27/2013 | EP2573208A1 Electrolytically silver plated and/or electrolytically silver alloy plated article having oxide layer on surface |
03/27/2013 | DE202013002267U1 Oberflächenbehandlungsanlage Surface Treatment System |
03/27/2013 | CN103003470A Electromagnetic steel sheet with semi-organic insulating coating film |
03/27/2013 | CN102996865A Method for casting valve body of ball check valve |
03/27/2013 | CN102995000A Nuclear power product pump shaft phosphorization technology and phosphorization device for phosphorization technology |
03/27/2013 | CN102994999A Phosphating treatment method for surface of sintered neodymium-iron-boron material |
03/27/2013 | CN102994998A Multicolor penetrating coloring process of colorful copper |
03/27/2013 | CN102994997A Surface rust removal and rust prevention comprehensive treatment agent for steel core workpiece of rotor of large-scale motor and preparation method |
03/27/2013 | CN102994996A Non-toxic environment-friendly normal temperature steel nigrescence treating agent and preparation method thereof |
03/27/2013 | CN102994995A Metal surface rust protection solution |
03/27/2013 | CN102994910A Casting method of gate valve rod |
03/27/2013 | CN102994892A Preparation method of swing check valve plate |
03/27/2013 | CN102994891A Method for preparing valve rod of plug valve |
03/27/2013 | CN102994890A Casting method of valve body of anti-explosion valve |
03/27/2013 | CN102994868A Preparation method for cast-molding diaphragm valve flap |
03/27/2013 | CN102993877A Metal rust inhibitor containing sodium dodecyl sulfate |
03/27/2013 | CN102991264A Manufacturing method of antique copper |
03/27/2013 | CN102989983A Forging method of automobile engine crankshaft |
03/27/2013 | CN102989982A Forging method of driving shaft for gearbox |
03/27/2013 | CN102989651A Method for processing belt roller |
03/27/2013 | CN102230170B Efficient cyclic purification and phosphorization device |
03/27/2013 | CN102197160B Treatment solution for chemical conversion of metal material and method for treatment |
03/27/2013 | CN102119239B Non-chromium coating agent for a grain-oriented electrical steel sheet, preparation method thereof, electrical steel sheet using the same, and manufacturing method thereof |
03/27/2013 | CN102089459B Chemical treatment liquid for steel material coating primer and method of treatment |
03/27/2013 | CN101890829B Treated copper foil and preparation method thereof |
03/27/2013 | CN101634022B Process for corrosion-resistance passivation of ferrite stainless steel for packaging vehicle-mounted SCR |