Patents
Patents for B22F 1 - Special treatment of metallic powder, e.g. to facilitate working, to improve properties; Metallic powders per se, e.g. mixtures of particles of different composition (17,388)
10/1990
10/02/1990US4960647 Process for the reactive treating of palladium to form a protective coating and article
10/02/1990US4960471 Heating in hydrogen with encapsulated getter metal
10/02/1990US4960459 Method for surface activation of water atomized powders by pickling
10/02/1990US4960351 Shell forming system
10/02/1990CA1274756A1 Alloy toughening method
09/1990
09/30/1990CA2013459A1 Magnetizable composite microspheres of hydrophobic crosslinked polymer, preparation process of same and application in biology
09/26/1990EP0388816A1 Passivation of pyrophoric metals
09/26/1990EP0388549A1 Method for preparing powder metallurgical sintered product
09/26/1990EP0388414A1 Sintered aluminium nickel alloys
09/15/1990CA2011550A1 Method for making metal fibers from spherical particles of metal powder and an apparatus for carrying out the method
09/12/1990EP0387237A2 Process for making objects, tools and parts by powder metallurgy
09/12/1990EP0386259A1 Device for making metal filaments from spherical particles of metal powder
09/12/1990EP0134808B1 Method for making ultrafine metal powder
09/11/1990US4955798 Solid lubricant, powder metallurgy
09/06/1990DE3907090A1 Process for the powder metallurgical production of a soft magnetic body
09/04/1990US4954926 Thick film conductor composition
09/04/1990US4954186 Compacted and sintered with rare earth oxide; computers, audio devices, motors, generators
09/04/1990US4954170 Methods of making high performance compacts and products
09/04/1990US4954169 Agglomerates
08/1990
08/28/1990US4952144 Apparatus for improving quality of metal or ceramic powders produced
08/20/1990CA2010467A1 Powder mixture used for powder metallurgy manufacturing method thereof and binder for powder metallurgy
08/14/1990US4948426 Particles of diameter distribution with plurality of peaks; molding with binder, sintering
08/08/1990CN1044484A Powder of plastic and treated mineral
08/07/1990US4946500 Aluminum based metal matrix composites
08/07/1990US4946499 Heating a mixture of ferrous powder and an alloying powder with metal soap or wax and oil
08/01/1990EP0379995A1 Powder of plastic and treated mineral
07/1990
07/26/1990CA2006992A1 Powder of plastic and treated mineral
07/24/1990US4943322 Melting fine particles entrained in carrier gas, solidification while in flight
07/24/1990US4943319 Process for producing highly functional composite material and composite material obtained thereby
07/11/1990EP0377106A1 Alkaline battery and process for producing the same
07/10/1990US4940596 Decomposing ferromagnetic complex
07/10/1990US4940523 Process and apparatus for coating fine powders
07/10/1990US4940490 Tantalum powder
07/04/1990EP0375966A1 Composition and method for producing a metallic sintered body
07/03/1990CA1271061A1 Canless method for hot working gas atomized powders
06/1990
06/28/1990WO1990007012A1 Process for the production of metals, alloys and ceramic materials
06/27/1990EP0375627A1 A process for pre-treating powders with a solid lubricant and heat in preparation for compacting operations
06/26/1990US4937042 Compaction then controlled sintering of mixed powdered alloys
06/26/1990US4937041 Forming metallization layer of flectro-conductive and noble metals
06/26/1990US4936913 Aluminum flake pigment
06/26/1990US4936250 Decomposing a metal carbonyl to deposit metal values
06/22/1990CA2006402A1 Process for the production of metals, alloys and ceramic materials
06/21/1990DE3841903A1 Process for producing a decoration of rare metal
06/20/1990EP0373380A2 Process for preparing a sintered artificial tooth
06/19/1990US4935844 Alkali-free green tape has silica and zinc borate flux particles dispersed in organic substrate
06/14/1990WO1990006294A1 Ceramic-metal joining
06/14/1990WO1990006208A1 Materials joining
06/13/1990CA2005410A1 Process for producing a sintered dental prosthesis
06/12/1990US4933025 Method for enhancing magnetic properties of rare earth permanent magnets
06/05/1990US4931252 Process for reducing the disparities in mechanical values of tungsten-nickel-iron alloys
06/05/1990US4931092 Method for producing metal bonded magnets
06/05/1990US4930199 Method for manufacturing fiber from thin plate material
05/1990
05/29/1990US4929275 Magnetic alloy compositions and permanent magnets
05/29/1990CA2004167A1 Ceramic-metal joining
05/29/1990CA1269549A1 Production of mechanically alloyed powder
05/22/1990US4927469 Heating; aluminum-iron-cerium alloy
05/22/1990US4927461 Machinable-grade, ferrous powder blend containing boron nitride and method thereof
05/22/1990US4927458 Method for improving the toughness of brittle materials fabricated by powder metallurgy techniques
05/22/1990US4927456 Hydrometallurgical process for producing finely divided iron based powders
05/16/1990EP0368082A2 Oxygenated molybdenum metal powder and process for its preparation
05/15/1990US4925740 High strength, lightweight
05/15/1990US4925539 Metal fibers obtained by bundled drawing
05/14/1990EP0291532A4 Seal element of hard material sintered from a semi-finished form with organic binder.
05/08/1990US4923532 Heat treatment for aluminum-lithium based metal matrix composites
05/08/1990US4923509 Magnesium, beryllium; free of ellipses
04/1990
04/25/1990EP0365460A1 Method to obtain coatings on mechanical parts by P/M techniques
04/24/1990US4920010 Particles composed of iron compound, silicon compound layer, nonferrous transition metal layer; oxidation resistance
04/19/1990WO1990004042A1 Iron/cobalt alloy filaments
04/18/1990EP0363552A1 Process for preparing metal particles
04/17/1990US4917857 Process for producing metallic or ceramic hollow-sphere bodies
04/17/1990CA1267796A1 Cobalt-chromium superalloy
04/11/1990EP0363047A1 A method of producing nitrogen strengthened alloys
04/11/1990EP0362866A2 Process for manufacturing sintered bodies
04/11/1990EP0362812A2 Bonded isotropic R-Fe-B-magnet and method for making it
04/11/1990CN1041124A Apparatus for manufacture of metal fiber from spherical metal powder particles
04/10/1990US4915728 Iron/cobalt alloy filaments
04/04/1990EP0361349A2 Magnetic fine particles of epsilon' iron carbide
04/04/1990EP0217807B1 Sintering method
04/03/1990US4913739 Method for powder metallurgical production of structural parts of great strength and hardness from Si-Mn or Si-Mn-C alloyed steels
04/03/1990US4913737 Mixing, kneading metallic powder and water-based binder, extruding, heating to remove binder, sintering, twisting; high density, toughness
04/03/1990US4913731 Process of making prealloyed tungsten alloy powders
03/1990
03/28/1990EP0360468A1 Member of a refractory metal material of selected shape and method of making
03/28/1990EP0360120A1 Preparation process of a material including a hard magnetic phase from powder components
03/22/1990WO1990002620A1 Heat treatment for aluminum-lithium based metal matrix composites
03/22/1990WO1990002618A1 Device for making metal filaments from spherical particles of metal powder
03/22/1990WO1990002617A1 Method and device for making metal filaments from spherical particles of metal powder
03/21/1990EP0359511A2 Method of magnetic particle treatment and resulting recording media
03/21/1990EP0359510A2 Magnetic particle coating compositions and recording media
03/20/1990US4910098 High temperature metal alloy mixtures for filling holes and repairing damages in superalloy bodies
03/20/1990US4909865 Preimpregnating with organic solvent; heating while passing oxygen containing gas
03/20/1990US4909840 Process of manufacturing nanocrystalline powders and molded bodies
03/20/1990US4909838 Coated magnesium granules
03/08/1990WO1990002406A1 Process for making noble metal coated metallic particles, and resulting conductive materials
03/08/1990WO1990002210A1 Friction-actuated extrusion of rapidly solidified high temperature al-base alloys
03/06/1990US4906424 Reaction injection molding of ceramic or metallic greenbodies
02/1990
02/28/1990EP0355756A1 Low dielectric constant compositions
02/27/1990US4904311 Metallic powder and a paste made from it, and a metallic powder manufacture device
02/21/1990CN1039926A Method and apparatus for making flakes of re-fe-b-type magnetically-aligned material
02/21/1990CN1039832A Oxidation resistant compositions for use with rare earth magnets
02/20/1990US4902471 Tungsten carbide, nickel and cobalt, wax binders, oils; heating, melting, slurring and sintering