| Patents for C23C 8 - Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals (10,951) |
|---|
| 02/24/1987 | US4645981 Process and apparatus for the surface treatment of workpieces by glow discharge |
| 02/17/1987 | US4643051 Pack carburizing process for earth boring drill bits |
| 02/11/1987 | CN86104923A Simultaneously flowing generator for producing with coal the controlled atmosphere used for heat-treatment |
| 02/05/1987 | DE3520984C1 Process for producing a wear-protection layer on a cylinder bore wall |
| 02/03/1987 | US4641002 Titanium and zirconium nitride |
| 01/31/1987 | CN86103577A Low temp. multiple permeation for superhard speedy steel cutting-tool |
| 01/22/1987 | DE3524799A1 Process for preparing a treated surface layer, and molecular sieve membrane prepared according to this process |
| 01/21/1987 | EP0209408A1 Apparatus for thermochemical treatments at various temperatures and atmospheres, especially for car manufacturing |
| 01/21/1987 | EP0209065A2 Method for supplying an oxygen gas containing steam for the surface treatment of semiconductor wafers |
| 01/21/1987 | CN85105683A Process for chemical-thermal treatment of surface of high-speed steel |
| 01/20/1987 | US4637837 Process for boriding metals and metal alloys by means of solid boriding agents |
| 01/20/1987 | US4637374 Selective absorption film of a solar heat collector |
| 01/13/1987 | US4636266 Reactor pipe treatment |
| 01/13/1987 | CA1216498A1 Preparation through dry oxidation of selective surfaces of photothermal solar panels, and surfaces thus obtained |
| 01/08/1987 | DE3614398A1 Arrangement for the treatment of workpieces using an evacuatable chamber |
| 01/02/1987 | DE3614444A1 Process for oxidising sintered iron parts |
| 12/30/1986 | EP0206973A2 Simultaneous carburizing and boronizing of earth boring drill bits |
| 12/30/1986 | EP0206873A1 Method of heat treating, gas curtain device and its use in heat treating furnaces |
| 12/30/1986 | CA1215901A1 Process for superficial hardening of metal products |
| 12/16/1986 | US4629518 Carburization and heat treatment process for a machine part |
| 12/09/1986 | US4627814 Continuous type atmosphere heat treating furnace |
| 12/03/1986 | CN86201813U Vacuum nitriding heat-treatment furance |
| 12/03/1986 | CN85102501A Preparation and uses of protecting film on metal parts during heat treatment |
| 11/25/1986 | US4624895 Catalyst support for catalytic converter |
| 11/25/1986 | CA1214364A1 Method of forming a hard surface layer on a metal component |
| 11/20/1986 | EP0201555A1 Surgical cutting instruments |
| 11/20/1986 | EP0201531A1 Process for applying hard coatings and the like to metals and resulting product |
| 11/12/1986 | EP0200991A1 Improved process for adhering an oxide coating on a cobalt-enriched zone, and articles made from said process |
| 11/11/1986 | US4622081 Formable, temperature-resistant martensitic steel having enhanced resistance to wear |
| 11/04/1986 | US4620893 Apparatus for the plasma treatment of disk-shaped substrates |
| 10/29/1986 | EP0199307A1 Method of coating a molybdenum surface |
| 10/22/1986 | EP0198466A1 Nickel anode electrode |
| 10/22/1986 | CN86101193A Colour display tube |
| 10/21/1986 | US4618317 Vane of soft nitrided hardened steel mated with cast iron roll; wear resistance |
| 10/08/1986 | EP0196827A2 Colour cathode ray tube |
| 10/07/1986 | US4615747 Removing hydrated oxide coating; forming dry oxide coating |
| 10/07/1986 | CA1212486A1 Method and apparatus for introducing normally solid materials into substrate surfaces |
| 09/24/1986 | EP0195499A1 Making of a steel component by nitriding |
| 09/24/1986 | EP0195077A1 A process for heat treatment of workpieces and a heat treatment installation suitable for such a process |
| 09/17/1986 | EP0194310A1 Process for forming a surface layer on aluminum and aluminum alloy articles and so formed articles |
| 09/10/1986 | EP0193674A1 Method of amorphizing a solid material by injection of exotic atoms with electron beams |
| 09/09/1986 | US4610437 Crucible for holding salt baths for the boriding of steels |
| 09/03/1986 | EP0193094A2 Rolling element bearing member |
| 09/03/1986 | EP0192874A1 Method for injecting exotic atoms into a solid material with electron beams |
| 09/03/1986 | EP0192745A1 Shallow case hardening process |
| 08/26/1986 | US4608092 Immersion in bath containing halogenophosphate |
| 08/20/1986 | EP0191143A1 Photochemical process for substrate surface preparation |
| 08/20/1986 | CN85101602A Equipment for ionic nitridation of inside surface of long pipe |
| 08/20/1986 | CN85100597A Boronization in solid-gas phase |
| 08/20/1986 | CN85100540A Optimum diffusion condition dynamic controllable nitridation technique |
| 08/12/1986 | US4605588 Barrier coated ceramic fiber and coating method |
| 08/12/1986 | CA1209724A1 Apparatus for reacting semiconductor wafer with steam |
| 08/06/1986 | CN85105278A Adsorptive boronization at low temp. by increasing presure |
| 08/06/1986 | CN85100313A Vapor colouring method of the surface on aluminium and its alloys |
| 08/05/1986 | US4604304 Controlled oxidation of several thin layers |
| 07/30/1986 | EP0189334A1 Surface preparation of nickel base alloys for brazing |
| 07/30/1986 | CN85100129A Co-infiltration technique of sulfur, oxygen, carbon, nitrogen and boron into the surface of high speed steel |
| 07/29/1986 | US4603056 Molybdenum nitride, silicon nitride layers |
| 07/29/1986 | US4602968 Manganese oxide coated nickel base construction parts for medium containing gaseous hydrogen isotope |
| 07/29/1986 | CA1208528A1 Heat treating metallic workpieces by the carburizing process |
| 07/29/1986 | CA1208527A1 Salt bath for nitriding iron materials |
| 07/23/1986 | CN85103890A Method of boron permeation using solid borax containing water of crystallization |
| 07/22/1986 | CA1208107A1 Method and apparatus for metal treatment |
| 07/15/1986 | CA1207642A1 Surface treatment of metal rings |
| 07/09/1986 | CN85107934A Process for heat treatment of metallic pieces by continuous furnace and apparatus thereof |
| 07/08/1986 | US4599278 Pairing of materials for highly stressed machine parts |
| 07/08/1986 | US4599247 High pressure steam, quartz tube |
| 07/02/1986 | CN85100594A Composition of chemical penetration agents for rare earth-carbon-nitorgen trinary and rare earth-carbon binary system |
| 07/02/1986 | CA1206853A Method and apparatus for treating metals |
| 07/01/1986 | US4597808 Process for ion nitriding aluminum or aluminum alloys |
| 07/01/1986 | US4597807 Accelerated carburizing method with discrete atmospheres |
| 06/24/1986 | US4596611 Heat treatment in nitriding gaseous atmosphere, cooling, surface finishing, oxidizing |
| 06/24/1986 | US4596610 Multistage heat treatment in heat treatment box by diffusion in gaseous atmosphere |
| 06/17/1986 | US4595601 Exposing workpiece to gaseous mixture of halogen gas and raw material gas containing element bondable with element of non-insulating material to form insulating compound, irradiating, forming layer of insulating compound |
| 06/11/1986 | EP0184311A2 Oxide whisker growth on contaminated aluminium-containing stainless steel foil |
| 06/10/1986 | CN85108112A Method of reducing radioactivity in nuclear plant |
| 06/10/1986 | CN85105832A Boronisation agent for high temp. alloy steel with solt-bath and the methodfor manufacluring the agent |
| 06/10/1986 | CA1205725A1 Corrosion-resistant and wear-resistant amorphous alloy and a method for preparing the same |
| 06/04/1986 | EP0183230A2 Method and apparatus for controlling the chemical-thermal treatment of work pieces in a flow discharge |
| 05/28/1986 | EP0182759A1 Cemented carbide body used preferably for rock drilling and mineral cutting |
| 05/28/1986 | EP0182681A1 Oxidation furnace for semiconductor material wafers |
| 05/28/1986 | EP0182182A1 Method and apparatus for making silver base two-layer contacts for electrical switches |
| 05/28/1986 | EP0182046A1 Constructional elements for environments containing gaseous hydrogen isotopes |
| 05/27/1986 | US4591397 Immersion in molten mixture with graphite cover layer |
| 05/27/1986 | US4591132 Apparatus for controlling the gas carburization of steel |
| 05/22/1986 | WO1986002868A1 Surgical cutting instruments |
| 05/21/1986 | EP0181416A1 Electrical component forming process |
| 05/20/1986 | US4590091 Photochemical process for substrate surface preparation |
| 05/14/1986 | EP0181192A1 Method of reducing radioactivity in nuclear plant |
| 05/14/1986 | EP0181073A1 Method for controlling the injection and concentration of a supersaturation of exotic atoms deeply into a solid material |
| 05/13/1986 | US4588450 Nitriding of super alloys for enhancing physical properties |
| 05/13/1986 | US4588449 Magnesium sublimation |
| 05/13/1986 | CA1204348A1 Process for applying thermal barrier coatings to metals and resulting product |
| 05/10/1986 | CN85108173A Hard alloy suitable for drilling rock and cutting ore |
| 05/06/1986 | US4587458 Controlling current density |
| 04/29/1986 | US4585541 Plasma anodization system |
| 04/24/1986 | WO1986002385A1 Process for applying hard coatings and the like to metals and resulting product |
| 04/15/1986 | US4582542 Oxidizing copper support to form cuprous oxide thin film, then selective reduction of film |
| 04/15/1986 | CA1203068A1 Manufacturing process of extrudable aluminun alloy products |
| 04/10/1986 | WO1986002103A1 A process for heat treatment of workpieces and a heat treatment installation suitable for such a process |