| 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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| 11/20/1990 | US4971624 Refractory metal carbide containing multiphase alloy of titanium and binder metal borides |
| 11/13/1990 | US4970114 Pyrophoric |
| 10/23/1990 | US4965095 Leaching, deoxidizing, realuminizing |
| 10/18/1990 | WO1990012125A1 Method for obtaining a refractory inorganic coating on the surface of an article |
| 09/19/1990 | CN1045426A B-v co-penetrant and technology thereof |
| 06/27/1990 | EP0374557A2 Ion diffusion-induced anti-wear layer |
| 05/09/1990 | EP0366784A1 Activated metal and method. |
| 05/09/1990 | CN1041978A Low-temp. salt bath vanadium nitrogen sulphur common seeping technology |
| 04/11/1990 | CN1041186A New vanadium-and chromium-alloying method on the surface of metals |
| 02/28/1990 | CN1040062A Method for solid shelling-out of titanium carbide |
| 02/07/1990 | EP0264448B1 Method of treating the surface of iron alloy materials |
| 01/09/1990 | US4892759 Method for surface treatment |
| 11/02/1989 | WO1989010340A1 Activated metal and method |
| 10/03/1989 | US4871708 Pyrophorically activated iron or nickel foil and method of treating same |
| 10/03/1989 | US4871401 Low temperature heat treatment; chromium, vanadium, titanium |
| 07/04/1989 | US4844949 Method of surface treatment and apparatus used therefor |
| 04/25/1989 | US4824482 Pyrophoric iron product and process of making |
| 04/04/1989 | US4818351 Method for the surface treatment of an iron or iron alloy article |
| 03/08/1989 | CN1031570A Method and apparatus for surface treatment |
| 02/15/1989 | EP0303191A2 Method and apparatus for surface treatment |
| 02/14/1989 | US4804445 Method for the surface treatment of an iron or iron alloy article |
| 01/12/1989 | DE3816310A1 Process for enriching titanium in the immediate surface zone of a component consisting of a nickel-based superalloy containing at least 2.0 % by weight of titanium, and use of the surface enriched according to the process |
| 12/28/1988 | CA1247468A Method of treating the surface of iron alloy materials |
| 11/24/1988 | DE3716367A1 Verfahren zur herstellung karbidischer diffusionsueberzuege auf erzeugnissen aus eisen-kohlenstoff-legierungen Process for the production of iron carbide diffusionsueberzuege on products on-carbon alloys |
| 11/09/1988 | CN87101329A Chemical thermal treatment permeating agent by simultaneously permeating rare-earth, carbon and nitrogen |
| 09/21/1988 | CN87101784A Liquid boron-aluminium co-permeation method |
| 08/23/1988 | US4765847 Method of treating the surface of iron alloy materials |
| 08/23/1988 | US4765840 Composition for depositing diffusion carbide coatings on iron-carbon alloy articles |
| 08/10/1988 | CN85101726B Liquid phase boron-aluminum co-penetration technology |
| 06/28/1988 | CA1238558A1 Method of forming a nitride layer |
| 05/25/1988 | EP0268248A2 Method of forming a nitride or carbonitride layer |
| 04/27/1988 | EP0264448A1 Method of treating the surface of iron alloy materials. |
| 02/24/1988 | CN87104600A A powder process for surface hardening of steel parts |
| 01/27/1988 | EP0108797B1 Corrosion, erosion and wear resistant alloy structures and method thereof |
| 01/27/1988 | CN87104781A Method of surface treatment and apparatus used therefor |
| 01/13/1988 | EP0252480A2 Method of surface treatment and apparatus used therefor |
| 12/22/1987 | US4714632 Method of producing silicon diffusion coatings on metal articles |
| 07/29/1987 | CN86108935A Method of producing silican diffusion coatings on metal articles |
| 07/07/1987 | CA1223780A1 Chromium boron surfaced nickel-iron base alloys |
| 06/24/1987 | EP0226130A2 Method of producing silicon diffusion coatings on metal articles |
| 06/02/1987 | US4670292 Method for injecting exotic atoms into a solid with electron beams |
| 06/02/1987 | US4670291 Method of controlling supersaturated injection and concentration of exotic atoms into deep portions of a solid with a high energy electron beam |
| 05/27/1987 | EP0223083A1 Process for the production of a high-temperature protective coating |
| 05/26/1987 | US4668527 Gold into silicon substrates |
| 04/07/1987 | US4656099 Corrosion, erosion and wear resistant alloy structures and method therefor |
| 03/03/1987 | CA1218585A1 Method for surface hardening a ferrous-alloy article and the resulting product |
| 12/31/1986 | WO1986007614A1 Method of treating the surface of iron alloy materials |
| 09/10/1986 | EP0193674A1 Method of amorphizing a solid material by injection of exotic atoms with electron beams |
| 09/03/1986 | EP0192874A1 Method for injecting exotic atoms into a solid material with electron beams |
| 07/30/1986 | CN85100311A Multicomponent co-permeation process using boron-rare earth salt bath |
| 07/09/1986 | CN85101726A Liquid phase boron-aluminum co-penetration technology |
| 07/02/1986 | CN85100594A Composition of chemical penetration agents for rare earth-carbon-nitorgen trinary and rare earth-carbon binary system |
| 05/14/1986 | EP0181073A1 Method for controlling the injection and concentration of a supersaturation of exotic atoms deeply into a solid material |
| 04/30/1986 | EP0179704A1 Hydrogen permeation protection for metals |
| 03/18/1986 | EP0152471A4 Turbine components having increased life cycle and method. |
| 02/11/1986 | US4569862 Method of forming a nitride layer |
| 01/08/1986 | EP0167102A1 Process for the production of a protective oxide layer on a moulded article made from high-temperature material |
| 01/02/1986 | EP0166216A2 Method of forming a nitride layer |
| 11/26/1985 | US4555275 Diffusion and oxidation of protecting metal |
| 09/11/1985 | EP0154559A2 Zirconium-base alloy structural member and process for its preparation |
| 09/03/1985 | US4539053 Amorphous boron, silicon, alkali metal compound, carbon source |
| 08/28/1985 | EP0152471A1 Turbine components having increased life cycle and method |
| 08/27/1985 | US4537793 Method for generating hard, wear-proof surface layers on a metallic material |
| 06/11/1985 | CA1188549A1 Process for manufacturing boride dispersion copper alloys |
| 02/28/1985 | WO1985000837A1 Turbine components having increased life cycle and method |
| 01/22/1985 | US4495005 Carbosiliconizing ferrous substrates |
| 01/16/1985 | EP0131536A1 Chromium boron surfaced nickel-iron base alloys |
| 11/27/1984 | US4485148 Chromium boron surfaced nickel-iron base alloys |
| 11/06/1984 | US4481264 Nitriding pretreatment |
| 10/24/1984 | EP0122529A1 A method for surface hardening a ferrous-alloy article and the resulting product |
| 10/23/1984 | CA1176509A1 Method of blackening steel components, in particular for cathode ray tubes |
| 10/16/1984 | EP0108797A4 Corrosion, erosion and wear resistant alloy structures and method thereof. |
| 10/02/1984 | CA1175309A1 Method of providing a metal component with a thermally black surface |
| 09/04/1984 | US4469532 Boriding followed by chromizing |
| 09/04/1984 | CA1173703A1 Process of making surface alloyed parts |
| 08/14/1984 | US4465524 Ion bombardment to make surface wear resistant |
| 06/27/1984 | EP0112206A1 Method of coating metallic surfaces with carbides |
| 05/23/1984 | EP0108797A1 Corrosion, erosion and wear resistant alloy structures and method thereof. |
| 03/27/1984 | US4439470 Method for forming ternary alloys using precious metals and interdispersed phase |
| 03/13/1984 | US4436560 Process for manufacturing boride dispersion copper alloys |
| 03/07/1984 | EP0101936A2 Boride-dispersed alloy material and process for manufacturing same |
| 03/06/1984 | US4435227 Chromate coatings |
| 01/18/1984 | EP0098453A1 Method for the production of hard, wear-resistant external coats on a metallic material |
| 11/24/1983 | WO1983003988A1 Corrosion, erosion and wear resistant alloy structures and method thereof |
| 09/06/1983 | US4402764 Method for producing abrasion and erosion resistant articles |
| 08/16/1983 | US4398968 Method of boronizing transition metal surfaces |
| 06/28/1983 | CA1149012A1 Conductive corrosion resistant material and alkali metal/polysulfide battery employing same |
| 04/27/1983 | EP0077703A1 Chromium-based wear resistant coating for steel and process for producing the same |
| 04/13/1983 | EP0076745A1 Process for treating the surfaces of steels against wear, and coating obtained |
| 03/16/1983 | EP0074211A1 Coated metal substrate and method of coating a metal substrate |
| 02/23/1983 | EP0072525A1 Indirect heating furnace for the surface treatment of a metal or the like employing a salt bath |
| 02/08/1983 | US4372995 Process of making surface alloyed parts |
| 12/21/1982 | US4364969 Coating with metal, bombardment with ions |
| 12/21/1982 | US4364780 Aluminum oxide |
| 11/02/1982 | US4357367 Method of blackening steel components for cathode ray tubes |
| 11/02/1982 | US4357182 Nitriding |
| 10/05/1982 | US4352840 Interdispersed phase coatings method |
| 09/16/1982 | WO1982003094A1 Abrasion and erosion resistant articles and method therefor |
| 05/27/1982 | WO1982001726A1 Improved interdispersed phase coatings method |
| 04/27/1982 | US4327134 Using nitric acid bath containing fluoride, followed by fluoride free bath |