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