Patents
Patents for C22C 27 - Alloys based on rhenium or a refractory metal not mentioned in groups or (3,486)
12/1998
12/23/1998EP0886195A1 Auto-compensating spring for mechanical oscillatory spiral spring of clockwork movement and method of manufacturing the same
12/16/1998EP0884397A1 Use of a molybdenum and/or tungsten alloy for construction elements, in contact with molten glas and/or ceramic substances
12/16/1998CN1201838A W-Ni-Fe alloy of high density and production thereof
12/09/1998EP0882806A1 Hard molybdenum alloy, wear resistant alloy and method for manufacturing the same
12/08/1998US5846287 Consumable electrode method for forming micro-alloyed products
11/1998
11/24/1998US5840440 Hydrogen storage materials having a high density of non-conventional useable hydrogen storing sites
11/19/1998DE19811765A1 Rhenium-containing alloy production by melting - using rhenium master alloy for rhenium addition
11/18/1998EP0878556A1 Process for making alloys containing rhenium, and alloys produced by the process
11/11/1998EP0876995A1 Process for concentrating or purifying sulfuric acid
11/10/1998US5833773 Nb-base composites
11/07/1998CA2236620A1 Process for concentrating or purifying sulphuric acid
11/05/1998WO1998049356A1 Valve metal compositions and method
11/04/1998CN1197990A Contact material
11/03/1998US5831188 Composite shots and methods of making
11/03/1998US5830292 Hard solder
10/1998
10/14/1998EP0672196B1 Composite shot
10/14/1998CN1195707A Lanthanum oxide molydenum foil strip and its manufacturing method
10/14/1998CN1040233C Corrosion-resistant tungsten based sintered alloy
10/13/1998US5821441 Tough and corrosion-resistant tungsten based sintered alloy and method of preparing the same
10/01/1998DE19812914A1 High purity chromium@ ingot for sputter target production
09/1998
09/29/1998US5814759 Lead-free shot
09/22/1998CA2155585C Process for activation of metal hydrides
09/16/1998EP0713537B1 A consumable electrode method for forming micro-alloyed products
09/09/1998EP0863521A2 Contacts material
09/09/1998EP0862660A1 Hydrogen storage materials having a high density of non-conventional useable hydrogen storing sites
08/1998
08/25/1998CA1340011C Heavy tunngsten-nickel-iron alloys with very high mechanical characteristics and process for producing said alloys
08/18/1998CA2096164C Molten zinc resistant alloy and its manufactured method
07/1998
07/08/1998CN1186723A Method for producing chromium carbide-nickel chromium atomized powder
07/01/1998EP0698280B1 Dispenser cathode and method of manufacturing a dispenser cathode
06/1998
06/17/1998EP0848086A1 Chromium alloy plating film, plating method thereof, and member covered with said film
06/10/1998EP0846515A1 Copper-chromium contact material with a surface transformed into fine grains for electrical circuit breakers and process for its manufacture
06/02/1998US5760317 Tungsten heavy alloy kinetic energy penetrator
04/1998
04/22/1998CN1038149C Process for producing ferro-tungsten fluxing agent
04/21/1998US5741376 Good low temperature toughness, oxidation resistance, creep resistance, high temperature strength
04/14/1998US5740516 Firearm bolt
04/09/1998WO1998014627A1 Hydrogen absorbing alloy and process for preparing the same
04/08/1998EP0834585A1 A method for producing a chromium carbide-nickel chromium atomized powder
03/1998
03/11/1998EP0827769A1 Filter element
03/05/1998DE19650752C1 Sintered copper@-chromium@ vacuum contact material
02/1998
02/17/1998US5718867 High oxidation resistance at high temperatures
02/10/1998CA2028123C 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
02/03/1998US5713981 Composite shot
01/1998
01/20/1998US5709836 Chromium steel sheets having an excellent press formability
12/1997
12/17/1997CN1167992A Vacuum load switch contact material and its mfg. method
12/02/1997US5693156 Comprising boron, silicon and metal described by a ternary system phase diagram; high strength; chemical resistance; jet engine parts
11/1997
11/20/1997WO1997043457A1 A hanger in a combustion chamber in a combustion plant
11/19/1997CN1165199A Solid matrix improver for graphate furnace atomic absorption and its manufacturing method
11/12/1997EP0806488A1 Aluminum-chromium alloy, method for its production and its applications
11/05/1997EP0804627A1 Oxidation resistant molybdenum alloy
11/04/1997US5683524 High temperature melting molybdenum-chromium-silicon alloys
10/1997
10/21/1997US5678724 Getter materials for the vacuum insulation of liquid hydrogen storage vessels or transport lines
10/16/1997WO1997037801A1 Single phase tungsten-titanium sputter targets and method of producing same
10/15/1997EP0801138A2 Producing titanium-molybdenum master alloys
10/15/1997EP0696257B1 Process for the removal of gaseous impurities from a stream of hydrogen
10/02/1997DE19612274A1 Prepn. of manganese@ tin@ super conducting wire with improved formability
09/1997
09/30/1997CA2030093C Amorphous alloys having superior processability
09/10/1997EP0532658B1 Tantalum or niobium base alloys
08/1997
08/13/1997EP0788416A1 Composite shots and methods of making
08/13/1997CN1156763A Process for producing electrode material of W-Mg-C copper infiltrated alloy
07/1997
07/08/1997US5645944 Superficially hardened by means of nitriding
06/1997
06/25/1997EP0780911A2 Niobium tin sheet for superconducting magnets
06/04/1997CN1035070C Sintering process for tungsten alloy strips
05/1997
05/29/1997WO1997019202A1 Hydrogen storage materials having a high density of non-conventional useable hydrogen storing sites
05/15/1997WO1997017148A1 Method and apparatus for making heat exchanger fins
05/14/1997CN1034891C Contact material for vacuum circuit breakers
05/13/1997US5628835 Nb3 Al Group superconductor containing ultrafine Nb2 Al particles
05/06/1997US5626909 Fabrication of brazable in air tool inserts
05/02/1997EP0770694A1 Super heat-resisting Mo-based alloy and method of producing same
04/1997
04/23/1997CN1148098A Hydrogen-absorbing alloy
04/15/1997US5620532 Dispersing and mixing niobium particles and alloys of niobium and aluminum ultrafine particles by mechanical alloying, deforming, and performing diffuion reaction by heat treatment
04/02/1997EP0720662A4 Lead-free bullet
03/1997
03/26/1997EP0448721B1 Giant particle and single crystal of chromium and production thereof
03/04/1997US5608174 Dispersed with lanthanide and/or yttrium oxide; corrosion and oxidation resistance
02/1997
02/26/1997EP0672196A4 Composite shot.
02/19/1997CN1034087C Process for manufacturing contact material for vacuum circuit breakers
02/05/1997EP0757383A2 Plate type member for semiconductor device package
01/1997
01/29/1997CN1141660A Weak ground reinforceing drain structure and method
01/28/1997US5597423 Niobium tin sheet for superconducting magnets
01/21/1997US5595616 Method for enhancing the oxidation resistance of a molybdenum alloy, and a method of making a molybdenum alloy
01/15/1997EP0753894A1 Multi-filament superconductor with integrated resistive barrier
01/15/1997EP0753592A1 Copper-tungsten alloys and process for producing the same
01/15/1997EP0753480A1 Hydrogen-absorbing alloy
01/02/1997EP0751230A1 High-chromium nickel alloy with excellent resistances to wear and lead corrosion and engine valve
12/1996
12/31/1996US5590392 Corrosion-resistant material for contact with high temperature molten metal and method for production thereof
12/31/1996US5588319 Method and apparatus for making heat exchanger fins
12/24/1996CA2068046C High corrosion-resistant amorphous alloys
12/11/1996EP0747536A1 Weak ground reinforcing drain structure and method and apparatus for arranging the same
10/1996
10/02/1996EP0735152A1 Molybdenum-tungsten material for wiring, molybdenum-tungsten target for wiring, process for producing the same, and molybdenum-tungsten wiring thin film
10/01/1996US5560752 Process for activation of metal hydrides
09/1996
09/11/1996CN1130688A Alloy containing silicide, based on at least one kind of Cr and Mo
08/1996
08/28/1996EP0728231A1 One-piece single metal spinneret and method for making it
08/27/1996US5549797 Highly corrosion-resistant amorphous alloys
08/21/1996EP0727502A1 Chromium steel sheet excellent in press formability
08/07/1996CN1128546A A consumable electrode method for forming micro-alloyed products
08/06/1996US5543121 Absorbs efficiently at low pressure; alloy of zirconium, vanadium and iron
07/1996
07/25/1996WO1996022402A1 Oxidation resistant molybdenum alloy
07/25/1996WO1996022401A1 Copper-tungsten alloys and process for producing the same
07/17/1996EP0528036B1 METHOD AND APPARATUS FOR PRODUCING SUPERCONDUCTING Nb3-Al WIRE
07/10/1996EP0720662A1 Lead-free bullet
07/03/1996CN1032223C Controlling oxygen content in tantalum material
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