Patents
Patents for C22C 27 - Alloys based on rhenium or a refractory metal not mentioned in groups or (3,486)
03/1994
03/22/1994US5296309 Niobium, titanium, aluminum with chromium alloy for embedding
03/15/1994US5294422 Process for purification of rare gas
03/15/1994US5294269 Repeated sintering of tungsten based heavy alloys for improved impact toughness
03/02/1994CN1083122A Molten zinc resistant alloy and its manufactured method
02/1994
02/23/1994CN1082620A Self lubricated Ni-Cr base alloy
02/22/1994US5288228 Heat-resistant materials
02/17/1994WO1994003650A1 Tungsten electrode material
02/08/1994US5284618 Niobium and titanium based alloys resistant to oxidation at high temperatures
02/03/1994WO1994002657A1 Master alloys for beta 21s titanium-based alloys and method of making same
02/01/1994US5282907 High temperature strength
01/1994
01/19/1994EP0578855A1 Material for the metallic components of high-temperature fuel cell stacks
01/19/1994CN1023571C Tungsten stannum fluxing agent and its making method
01/11/1994US5277990 Composite structure with NbTiAl and high Hf alloy matrix and niobium base metal reinforcement
01/05/1994EP0577426A1 Composite structure
12/1993
12/28/1993US5273831 Ductile composite having high tensile strength and adapted to use at temperatures above 1000 degrees C.
12/14/1993US5270122 Composite structure with NbTiAl alloy matrix and niobium base metal reinforcement
11/1993
11/23/1993US5264293 Composite structure with NbTiHf alloy matrix and niobium base metal
11/23/1993US5264022 Composite shot
11/18/1993EP0570308A1 Alloys of metals with high melting points, suitable for transformation into homogeneous and pure ingost, and preparation process of these alloys
11/18/1993EP0570219A2 Use of a molten zinc resistant alloy
11/18/1993EP0570072A2 Method of producing a chromium-base alloy
11/16/1993US5261941 Porous alloy
11/11/1993WO1993022470A1 Composite shot
10/1993
10/13/1993CN1022424C Spindle alloy of tungsten-copper-silver-nickel by powder metallurgy
08/1993
08/19/1993WO1993016206A1 Alloys of molybdenum, rhenium and tungsten
08/19/1993CA2130121A1 Alloys of molybdenum, rhenium and tungsten
08/18/1993CN1075337A Alloys of molybdenum, rhenium and tungsten
08/17/1993US5236661 Chromium-based weld material
08/10/1993US5234774 Non-single crystalline materials containing ir, ta and al
08/10/1993US5234487 Method of producing tungsten-titanium sputter targets and targets produced thereby
07/1993
07/27/1993US5230755 Protective layer for a metal substrate and a method of producing same
07/07/1993EP0550203A1 Reinforced niobium-titanium-aluminium-hafnium composite alloy
07/07/1993CN1073987A Corrosion-resisting stainless steel for measuring tool
06/1993
06/30/1993CN1073724A Manufacturing method of tungsten filament of lamp bulb
06/22/1993US5222116 Improved high temperature properties and fabricability
06/01/1993US5215605 Niobium-aluminum-titanium intermetallic compounds
05/1993
05/12/1993EP0336944B1 Copper-tungsten metal mixture and process
04/1993
04/28/1993EP0539152A1 Titanium niobium aluminide alloys
04/27/1993US5205984 Orthorhombic titanium niobium aluminide with vanadium
04/21/1993EP0537710A1 High corrosion resistant amorphous alloys
04/15/1993WO1993007302A1 Oxidation-resistant refractory metal alloys
04/14/1993EP0397731B1 Metallic object, in particular gas turbine blade with protective coating
04/13/1993CA1316017C Process for the cold-worked direct shaping of alloyed metal projectiles
03/1993
03/31/1993CN1070432A Wear-resistant conductive alloy material and manufactured article
03/31/1993CN1070431A Hardfacing chromium-base alloys
03/24/1993EP0532658A1 Tantalum or niobium base alloys.
03/16/1993US5194233 Process for purification of rare gas
03/10/1993EP0530437A1 Contact material for vacuum circuit breakers and method of manufacturing the same
03/03/1993EP0529208A1 Hard facing chromium-base alloys
02/1993
02/24/1993EP0528036A1 METHOD AND APPARATUS FOR PRODUCING SUPERCONDUCTING Nb3-Al WIRE
02/17/1993CN1069142A Contact material for vacuum circuit breakers and method of manufacturing same
02/03/1993CN1068597A Process for manufacturing countact material for vacuum circuit breakers
01/1993
01/19/1993US5180446 Oxide-dispersion-strengthened niobum-based alloys and process for preparing
01/07/1993EP0521274A1 Process for manufacturing a contact material for vacuum circuit breakers
12/1992
12/15/1992US5171379 Containing silicon and silicon nitride dope; niobium base possible; ductility; wires; electical and furnace equipment
12/09/1992CN1019430B Contact forming material for vacuum interrupter
12/02/1992CN1019318B Heavy tungsten-nickel-iron alloys with very high mechanical characteristics and process for production of said alloys
12/01/1992US5167697 Substrate material for mounting semiconductor device thereon and manufacturing method thereof
11/1992
11/26/1992WO1992020828A1 Wrought tantalum or niobium alloy having silicon and a compound dopant
11/19/1992DE4216150A1 Highly corrosion-resistant amorphous alloy contg. chromium@ and titanium@ and/or zirconium@
11/11/1992EP0512632A1 Lead-in conductor
11/03/1992US5160537 Low friction, wear resistant, steel substrate
10/1992
10/29/1992WO1992018657A1 Method of producing tungsten-titanium sputter targets and targets produced thereby
10/28/1992EP0510495A1 Oxide-dispersion-strengthened heat-resistant sintered alloy
10/28/1992CN1018847B Niobite fe alloy preparing from niobite fe ore
10/27/1992US5158709 Electric lamp containing molybdenum material doped wtih aluminum and potassium, molybdenum material for such a lamp, and method of its manufacture
10/27/1992US5158365 Sampling head of an alloy at least 90 per cent molybdenum; for taking gas samples and/or making temperature measurements in blast furnaces
10/20/1992US5156689 Shrinking the molded shape while maintaining the temperature below the alpha-beta transition temperature
10/13/1992US5154883 High hardness at elevated temperatures; good room-temperature toughness
10/13/1992US5154796 Giant grains or single crystals of chromium and process for producing the same
10/07/1992CN1065100A Tungsten stannum fluxing agent and its making method
09/1992
09/15/1992US5148191 Ink jet head having heat generating resistor made of non-single crystalline substance containing ir, ta and al and ink jet apparatus having such ink jet head
09/15/1992US5148080 Incandescent lamp filament incorporating hafnium
09/08/1992US5145512 Tungsten nickel iron alloys
09/08/1992CA1307138C Use of a chromium-containing alloy
08/1992
08/25/1992US5142308 Ink jet head having heat generating resistor made of non-single crystalline substance containing ir and ta
08/25/1992CA1306625C Corrosion resistant tantalum and tungsten alloys
08/05/1992EP0497606A2 Oxide-dispersion-strengthened niobium-based alloys and process for preparing
07/1992
07/22/1992CN1062928A Spindle alloy of tungsten-copper-silver-nickel by powder metaleurgy
07/07/1992USH1075 Tungsten heavy alloys
06/1992
06/30/1992US5126106 Excellent tensile characteristics
06/24/1992EP0491040A1 Electrode material for glass melting furnace
06/11/1992WO1992009713A1 Niobium or tantalum based high specific strength inter metallic compounds and alloys
06/09/1992CA1302739C Copper-tungsten metal mixture and process
05/1992
05/27/1992EP0487240A2 Niobium-tin superconductor
05/20/1992CA2048781A1 Niobium-tin superconductor with hafnium oxide particles
05/12/1992CA1300344C Superpurifier for argon gas and process for purifying argon gas
03/1992
03/31/1992US5100615 Alloys of Ti-Cr-Cu for occluding hydrogen
03/24/1992US5098798 Niobium, copper
03/18/1992EP0475312A2 Process for purification of rare gas
02/1992
02/05/1992EP0469467A2 Method of forming improved tungsten ingots
01/1992
01/23/1992WO1992001077A1 Electrode material for glass melting furnace
01/08/1992CN1057678A Process for producing high-quality niobium-iron alloy from concentrated niobite
01/01/1992CN1015238B Preparation method for tungsten cerium powder
12/1991
12/12/1991WO1991019015A1 Tantalum or niobium base alloys
12/10/1991US5072147 Low sag tungsten filament having an elongated lead interlocking grain structure and its use in lamps
12/03/1991US5069869 Process for direct shaping and optimization of the mechanical characteristics of penetrating projectiles of high-density tungsten alloy
12/03/1991US5069867 Process of manufacturing high-strength sintered members
11/1991
11/28/1991WO1991018402A1 METHOD AND APPARATUS FOR PRODUCING SUPERCONDUCTING Nb3-Al WIRE
11/13/1991EP0456349A2 Corrosion-resistant material for sulfur-containing alkali metal salts and equipment for producing polyarylene sulfide using the same, and polyarylene sulfide and process for producing the same
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