| Patents for C23C 12 - Solid state diffusion of at least one non-metal element other than silicon and at least one metal element or silicon into metallic material surfaces (529) |
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| 07/31/2001 | US6268067 Surfaced alloyed high temperature alloys |
| 06/14/2001 | WO2001042527A1 Modification of diffusion coating grain structure by nitriding |
| 06/14/2001 | US20010003227 Light metal cylinder block, method of producing same and device for carrying out the method |
| 03/06/2001 | US6197436 Heating chromium, ferrochromium, tantalum carbide, vanadium, ammonium chloride and aluminum oxide diffusion coating mixture to form a nonporous chromium carbide-containing hard corrosion resistant layer on ferrous workpiece |
| 03/06/2001 | US6197125 Modification of diffusion coating grain structure by nitriding |
| 02/06/2001 | CA2216689C Aluminum product having metal diffusion layer, process for producing the same, and paste for metal diffusion treatment |
| 01/02/2001 | US6168874 For use in superalloy turbine, combustor and augmentor components of gas; protective coatings |
| 12/06/2000 | CN1275637A Diamond-cobalt boron compound wear-resistant composite coating of carbide tool and preparation process thereof |
| 10/26/2000 | DE19915038A1 Leichtmetallzylinderblock, Verfahren zu seiner Herstellung und Vorrichtung zur Durchführung des Verfahrens Light alloy cylinder block, process for its production and device for carrying out the method |
| 10/12/2000 | WO2000060136A1 Light metal cylinder block, method for producing the same and device for carrying out said method |
| 10/04/2000 | EP1041173A1 Light metal cylinder block, method for making it and apparatus for carrying out the process |
| 09/14/2000 | WO2000053949A1 A friction member and a method for its surface treatment |
| 08/09/2000 | EP1026280A2 An aluminum-containing member and a method for producing such an aluminum-containing member |
| 07/25/2000 | US6093260 Surface alloyed high temperature alloys |
| 07/05/2000 | CN1054163C Cast steel roll and its heat treatment method |
| 06/27/2000 | US6080246 Method of aluminising a superalloy |
| 04/04/2000 | CA2003660C Supersaturation plating of aluminum wettable cathode coatings during aluminum smelting in drained cathode cells |
| 01/19/2000 | EP0972851A2 Sliding member having chromium nitride film formed thereon |
| 12/28/1999 | US6007922 Chromium boride coatings |
| 12/22/1999 | CN1239154A Complex diffused coal spray gun for blast furnace and its manufacture technology |
| 11/23/1999 | US5989734 Hardness, heat resistance, wear resistance, corrosion resistance, brightness, fresh tone of color, lightweight; for ornaments, household electric appliances, automobile parts |
| 11/17/1999 | EP0956373A1 Surface alloyed high temperature alloys |
| 10/28/1999 | WO1999054519A1 Method of producing oxide surface layers on metals and alloys |
| 08/19/1999 | WO1999031289A8 Sliding member having chromium nitride film formed thereon |
| 08/04/1999 | EP0933448A1 Improved diffusion aluminide bond coat for a thermal barrier coating system and a method therefor |
| 07/07/1999 | EP0596099B1 Multiplex aluminide-silicide coating |
| 06/24/1999 | WO1999031289A1 Sliding member having chromium nitride film formed thereon |
| 06/16/1999 | EP0922786A2 Ceramic coated product, and method for forming the ceramic coated product |
| 06/02/1999 | EP0919642A2 Method for treating surface of ferrous material and salt bath furnace used therefor |
| 05/26/1999 | CN1217389A Surface alloyed aluminium-alloy section and producing method therefor |
| 05/19/1999 | CN1217031A Surface alloyed high temp. alloys |
| 03/30/1999 | US5888269 Mixture containing aluminum powder |
| 07/14/1998 | US5779842 Forming an erosion resistant coating on an electrode |
| 06/30/1998 | US5774516 Modification of oxide film electrical conductivity to maintain low corrosion potential in high-temperature water |
| 06/16/1998 | US5768330 Co-deposition of palladium during oxide film growth in high-temperature water to mitigate stress corrosion cracking |
| 04/21/1998 | US5741372 Method of producing oxide surface layers on metals and alloys |
| 04/08/1998 | EP0834592A1 Aluminum product having metal diffusion layer, process for producing the same, and paste for metal diffusion treatment |
| 03/04/1998 | EP0826789A1 Modification of oxide film electrical conductivity to maintain low corrosion potential in high-temperature water |
| 01/28/1998 | EP0821076A1 A method of aluminising a superalloy |
| 01/23/1998 | CA2211149A1 Platinum aluminising single crystal superalloys |
| 11/06/1997 | WO1997041275A1 Surface alloyed high temperature alloys |
| 10/09/1997 | WO1997037050A1 Ti-Al-BASE ALLOY HAVING EXCELLENT OXIDATION RESISTANCE AND PROCESS FOR PREPARING THE SAME |
| 03/04/1997 | US5608766 Co-deposition of palladium during oxide film growth in high-temperature water to mitigate stress corrosion cracking |
| 02/04/1997 | US5599404 Stability |
| 11/27/1996 | CN1136594A Cast-steel roller and its heat treatment method |
| 11/13/1996 | EP0741925A1 Erosion resistant coating on a spark plug electrode |
| 10/31/1996 | WO1996034122A1 Processing for forming nitride, carbide and oxide protective coatings |
| 08/28/1996 | CN1129745A Agent for co-cementation of boron, silicon and aluminum |
| 08/20/1996 | US5547770 Multiplex aluminide-silicide coating |
| 06/13/1996 | DE4443914A1 Thermochemical surface treatment of steel parts in a fluidised bed |
| 06/05/1996 | CN1031950C Salt bath cementation process with rare-earth and vanadium-boron |
| 04/17/1996 | EP0707319A1 Co-deposition of palladium during oxide film growth in high-temperature water to mitigate stress corrosion cracking |
| 04/14/1996 | CA2159371A1 Co-deposition of palladium during oxide film growth in high-temperature water to mitigate stress corrosion cracking |
| 01/04/1996 | DE4421810A1 Thermionic electron emitter used for electron tubes |
| 11/29/1995 | EP0366784B1 Activated metal and method |
| 10/18/1995 | CN1110332A Postheating treatment process after metallic cementation |
| 10/03/1995 | US5455068 Method for treating continuous extended lengths of tubular member interiors |
| 08/30/1995 | EP0494977B1 Method of modifying the surface of a substrate |
| 07/27/1995 | WO1995020256A1 Erosion resistant coating on a spark plug electrode |
| 07/04/1995 | CA1336150C Method and apparatus for surface treatment |
| 06/21/1995 | CN1029015C Method for vanadium- and chromium- alloying the surface of metals |
| 06/06/1995 | US5421914 Surface modification of high temperature iron alloys |
| 02/22/1995 | CN1099070A Long service life cylinder sleeve reinforcement method |
| 11/15/1994 | US5364659 Chromium and silicon alloy coatings with halide activators such as sodium fluoride and sodium chloride, silica fillers and reaction of sodium from activators with fillers with heat |
| 09/28/1994 | CN1092819A Salt bath process for rare-earth-vanadium-boron co-diffusion |
| 08/02/1994 | US5334263 Substrate stabilization of diffusion aluminide coated nickel-based superalloys |
| 07/13/1994 | CN1025440C Vandium-nitrogen codiffusion surface modified technology for iron-steel low temperature salt both |
| 06/29/1994 | EP0596099A4 Multiplex aluminide-silicide coating |
| 06/29/1994 | CN1025226C Sulphur, nitrogen, carbon common ionodialysis agent and techonology promoting by rare-earth |
| 05/11/1994 | EP0596099A1 Multiplex aluminide-silicide coating |
| 01/05/1994 | DE4221445A1 Coating metal article with heterogeneous corrosion resistant material - and/or very hard material by embedding in powder contg. transition metal and exothermic reaction in presence of halogen |
| 12/15/1993 | CN1079514A Osmosis processing method for surface alloy of oxygen lance nozzle head |
| 11/25/1993 | WO1993023247A1 Multiplex aluminide-silicide coating |
| 11/17/1993 | CN1022770C Method for solid shelling-out of titanium carbide |
| 07/21/1993 | CN1074490A Rare-earth cocementing agent and process thereof |
| 07/13/1993 | US5227045 Supersaturation coating of cathode substrate |
| 06/09/1993 | EP0545661A2 Substrate stabilization of diffusion aluminide coated nickel-based superalloys |
| 05/27/1993 | DE4238220C1 Mixt. for diffusion coating ferrous material - contains chromium@, tantalum carbide, ammonium chloride, and alumina |
| 01/20/1993 | CN1068150A Corrugated stuffing aluminizing and multicomponent co-infiltration technology |
| 12/29/1992 | CA1311992C Method of forming a nitride or carbonitride layer |
| 12/09/1992 | CN1066891A Low temp. salt bath vanadium-nitride co-permeate technology (mn) |
| 10/27/1992 | US5158655 Coating of cathode substrate during aluminum smelting in drained cathode cells |
| 08/25/1992 | US5141776 Method of depositing a refractory inorganic coating on the surface of a workpiece |
| 07/22/1992 | EP0494977A1 Method of modifying the surface of a substrate. |
| 07/21/1992 | CA1305399C Method for the surface treatment of an iron or iron alloy article |
| 07/07/1992 | CA1304658C Method for the surface treatment of an iron or iron alloy article |
| 06/17/1992 | EP0366784A4 Activated metal and method |
| 05/12/1992 | CA1300440C Method of surface treatment and apparatus used therefor |
| 12/04/1991 | CN1015004B Low-temp. salt bath vanadium nitrogen sulphur common seeping technology |
| 11/21/1991 | EP0456847A1 Method of producing a wear- and corrosion-resistant protective coating layer, composed of an austenitic steel alloy and so produced protective layer |
| 11/12/1991 | US5064691 Heating with hydrides of boron and silicon and a reducing hydrogen carrier gas |
| 09/04/1991 | EP0444642A1 A method of obtaining a diffusion protective coating on ferrous alloys |
| 07/17/1991 | CN1013208B Method and apparatus for surface treatment |
| 07/10/1991 | CN1013124B Method of surface treatment and apparatus used therefor |
| 07/02/1991 | US5028301 Supersaturation plating of aluminum wettable cathode coatings during aluminum smelting in drained cathode cells |
| 04/24/1991 | EP0423345A1 Method for obtaining a refractory inorganic coating on the surface of an article |
| 04/18/1991 | WO1991005072A1 Method of modifying the surface of a substrate |
| 02/20/1991 | CN1011710B Liquid boron-aluminium co-permeation method |
| 12/11/1990 | US4977036 Diffuson coating, cooling; surface treatment |
| 11/20/1990 | US4971839 High-temperature shielding coating and method for producing it |