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