| Patents for C22C 32 - Non-ferrous alloys containing at least 5% by weight but less than 50% by weight of oxides, carbides, borides, nitrides, silicides or other metal compounds, e.g. oxynitrides, sulfides, whether added as such or formed in situ (4,767) |
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| 12/13/1989 | CN1005732B W-ce electrode material, preparation technology and uses thereof |
| 12/06/1989 | EP0344858A1 Composite materials in the form of lead or its alloys reinforced with powders and/or ceramic fibres, and uses therof |
| 12/06/1989 | EP0344421A1 Burnt surface sintered alloy with and without a rigid surface film coating and process for producing the alloy |
| 12/05/1989 | US4885214 Composite material and methods for making |
| 12/05/1989 | US4885029 With metal oxide particles; yield strength without recrystallization; for lead frames for integrated circuits |
| 11/23/1989 | EP0324832A4 Preparation of composite materials. |
| 11/21/1989 | US4882519 Discharge electrode material composed of yttrium and rhenium or ruthenium |
| 11/08/1989 | EP0340957A2 Method of producing metal base composite material under promotion of matrix metal infiltration by fine pieces of third material |
| 11/08/1989 | EP0340789A1 Hot working aluminum base alloys |
| 11/08/1989 | EP0340788A1 High modulus aluminum alloys |
| 11/08/1989 | CN1036991A Semi-finished product for making electric contacts, made of composite material based on silver and tin oxide and powder-metallurgical process of producing semi-finished product |
| 11/07/1989 | US4879091 Equiaxed dispersion strengthened copper product and process for making same |
| 11/02/1989 | WO1989010419A1 Sintered contact material based on silver for use in electrical switchgear, in particular for contact pieces in low-voltageswitches |
| 11/02/1989 | WO1989010417A1 Sintered contact material based on silver for use in power engineering switchgear, in particular for contact pieces in low-voltage switches |
| 11/02/1989 | EP0339608A2 An alloy material for data storage of magneto-optical disk and its manufacture process |
| 11/02/1989 | DE3813310A1 Sinterkontaktwerkstoff auf silberbasis zur verwendung in schaltgeraeten der energietechnik, insbesondere fuer kontaktstuecke in niederspannungsschaltern Sintered contact material on silver base for use in switching devices of the energy technology, especially for kontaktstuecke in low-voltage circuit breakers |
| 10/31/1989 | US4877435 Mechanically alloyed nickel-cobalt-chromium-iron composition of matter and glass fiber method and apparatus for using same |
| 10/24/1989 | US4876158 Cobalt metal or cobalt-base alloy as binder with dichromium tr ioxide powder |
| 10/19/1989 | WO1989009840A1 Process for producing an ods sintered alloy |
| 10/19/1989 | DE3909384A1 Semi-finished part for electrical contacts comprising a composite material based on silver/tin oxide and a powder metallurgical process for the production thereof |
| 10/17/1989 | US4874430 Composite silver base electrical contact material |
| 10/11/1989 | EP0336569A2 Hot isostatic pressing of powders to form high density contacts |
| 10/05/1989 | WO1989009478A1 Semifinished product for electrical contacts, made of a composite material based on silver and tin oxide, and powder metallurgical process for producing it |
| 10/04/1989 | EP0334981A1 Discharge electrode material |
| 10/03/1989 | US4871394 Sintered metal friction facing |
| 10/03/1989 | US4871008 Heating metal and filler with oxidant to form reaction product which infiltrates filler |
| 09/27/1989 | EP0334505A1 A composite material and methods for making |
| 09/27/1989 | EP0334212A2 Method for producing moulded parts from metal powders and a sealing element produced by said method |
| 09/26/1989 | CA1260219A1 Process for producing a flat product and the flat product thereof |
| 09/21/1989 | WO1989006287A3 Aluminum based metal matrix composites |
| 09/20/1989 | EP0333629A2 Metal matrix composites and techniques for making the same |
| 09/19/1989 | US4868067 Inorganic fibers alloys |
| 09/19/1989 | US4867788 Powder metallurgy process |
| 09/13/1989 | EP0332474A1 Improvements in or relating to cutter assemblies for rotary drill bits |
| 09/12/1989 | US4865806 Roasting and oxidizing carbon containing refractory before mixing and casting with alloy; diffusion barriers; reinforcement |
| 09/08/1989 | WO1989008155A1 Ductile superconducting composites and method of production thereof |
| 09/06/1989 | EP0331055A1 Methods for producing a resinbonded magnet |
| 09/06/1989 | EP0330913A2 Process for preparing a sintered hard metal, and sintered hard metal obtained thereby |
| 09/06/1989 | EP0330668A1 Process for forming metal-second phase composites and product thereof. |
| 08/30/1989 | EP0330081A1 Oxide dispersion-strengthened alloy having high strength at intermediate temperatures |
| 08/29/1989 | US4861679 Good adhesion between metal and reinforcement; wear resistance |
| 08/29/1989 | US4861641 Substrates with dense metal vias |
| 08/24/1989 | WO1989007661A1 Complex ceramic whisker formation in metal-ceramic composites |
| 08/22/1989 | US4859239 Tungsten electrode and method of producing same |
| 08/22/1989 | US4859238 Silver-iron material for electrical contacts |
| 08/17/1989 | DE3841517A1 Method for the production of a workpiece composed of a nickel-based superalloy hardened by oxide dispersion and consisting of a single crystal with a preferential longitudinal direction |
| 08/17/1989 | DE3804124A1 Process for producing an article of silicon carbide ceramic |
| 08/16/1989 | EP0327887A1 A fuel cell, electrode for the cell and method of preparation thereof |
| 08/16/1989 | EP0170651B1 Metal modified dispersion strengthened copper |
| 08/16/1989 | CN1034688A Method of making metal matrix composites |
| 08/15/1989 | US4857266 Dispersion strengthened copper |
| 08/15/1989 | US4856161 Press roll |
| 08/09/1989 | EP0326785A1 Foil-like metal strip |
| 08/08/1989 | US4855104 Method for the production of sintered electrical contact material for low voltage power switching |
| 08/02/1989 | EP0325760A1 Work piece made of a nickel base superalloy hardened by dispersion of oxides |
| 07/26/1989 | EP0324832A1 Preparation of composite materials |
| 07/26/1989 | EP0324799A1 Isothermal process for forming porous metal-second phase composites and porous product thereof. |
| 07/25/1989 | US4851188 Method for making a turbine blade having a wear resistant layer sintered to the blade tip surface |
| 07/25/1989 | US4851041 Multiphase composite particle |
| 07/19/1989 | EP0324706A2 Method of making metal matrix composites |
| 07/18/1989 | US4849300 Tool in the form of a compound body and method of producing the same |
| 07/13/1989 | WO1989006287A2 Aluminum based metal matrix composites |
| 07/11/1989 | US4847167 Alkali and alkaline earth metal alloys and inorganic fibers |
| 07/11/1989 | US4846901 Alloying, multilayer sheets, oxidation |
| 07/05/1989 | EP0323067A2 Sintered magnesium-based composite material and process for preparing same |
| 06/27/1989 | US4843039 Sintered body for chip forming machining |
| 06/27/1989 | US4842821 Producing titanium carbide |
| 06/21/1989 | EP0302111A4 Method and furnace for making iron-carbon intermediate products for steel production. |
| 06/14/1989 | EP0320208A1 Method of making improved silver-tin-indium contact material and product thereof |
| 06/14/1989 | EP0320195A1 Wear resisting copper base alloys |
| 06/13/1989 | US4838936 Cold isostatic pressing; tensile strength; fixed scroll plates |
| 06/07/1989 | EP0318892A1 Electrical contact material of Ag, SnO2, GeO2 and In2O3 |
| 06/06/1989 | USRE32942 Printed circuits, semiconductors |
| 06/06/1989 | US4836982 In situ exothermic reaction |
| 06/06/1989 | US4836869 Hydrogen-resistant high-strength steels and the method for the manufacture thereof |
| 06/06/1989 | CA1255123A1 Turbine blade superalloy ii |
| 06/01/1989 | WO1989005031A1 SINTERED Fe-Nd-B MAGNET |
| 05/30/1989 | US4834942 Elevated temperature aluminum-titanium alloy by powder metallurgy process |
| 05/30/1989 | US4834939 Composite silver base electrical contact material |
| 05/30/1989 | US4834810 High modulus A1 alloys |
| 05/24/1989 | EP0316987A1 Sintered metal friction facing |
| 05/23/1989 | US4832734 Hot rolling or forging metals |
| 05/23/1989 | CA1254402A1 Turbine blade superalloy iii |
| 05/09/1989 | US4828613 Powdery raw material for manufacturing anodes of fuel cells |
| 05/09/1989 | US4828008 Infiltrating ceramic material with molten aluminum |
| 05/09/1989 | CA1253719A1 Turbine blade superalloy i |
| 05/05/1989 | WO1989003897A1 Sintered aluminium nickel alloys |
| 05/05/1989 | WO1989003896A1 Cermet alloy and composite member produced therefrom |
| 04/26/1989 | EP0313225A2 Grain size control of a metal powder product |
| 04/20/1989 | DE3833121A1 Corrosion and wear resistant alloy |
| 04/12/1989 | EP0311134A1 Powder-metallurgically produced electrical contact material comprising silver and graphite, and process for producing it |
| 04/05/1989 | CN1032195A Friction wafer and its manufacture method |
| 04/05/1989 | CN1032192A Method for preparation of ferrocarbon intermediate product for use in steel manufacture, and furnace for realization thereof |
| 04/04/1989 | US4818481 Method of extruding aluminum-base oxide dispersion strengthened |
| 04/04/1989 | US4818307 Dispersion strengthened copper-base alloy |
| 04/04/1989 | US4817695 Electrical contact material of Ag, SnO2, GeO2 and In2 O.sub.3 |
| 04/04/1989 | US4817578 Light alloy cylinder block and an alumina and carbon fiber reinforced wall; slidability |
| 03/14/1989 | CA1251002A1 Compound body and method of making the same |
| 03/07/1989 | US4810289 High density, heat stress resistant |
| 02/28/1989 | US4808372 In situ process for producing a composite containing refractory material |