| 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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| 10/09/1991 | EP0449890A1 Process for the production of metals, alloys and ceramic materials. |
| 10/03/1991 | WO1991014526A1 Machinability improving supplementary powder and iron or steel powder containing such supplementary powder |
| 10/02/1991 | EP0449665A1 A process for producing a rare earth-iron-boron magnet |
| 10/02/1991 | EP0449566A1 Partially hardened sintered body and method of manufacturing same |
| 10/02/1991 | EP0449309A2 Method of making metalic thin film |
| 10/02/1991 | CN1054921A Method for making metal fibres from spherical particles of metal powder and apparatus for carrying out method |
| 10/01/1991 | CA1289779C Alloy having improved fatigue crack growth resistance |
| 09/25/1991 | CN1054732A Process for making metal fabres from spherical particles of metal powder and apparatus for effecting process |
| 09/20/1991 | WO1991015018A1 Paste for high temperature baking |
| 09/19/1991 | WO1991014013A1 Aluminum-chromium alloy and production thereof |
| 09/18/1991 | EP0446708A2 Thermoplastic materials for manufacturing metallic articles |
| 09/17/1991 | US5049528 Uniformity, two-solvent system |
| 09/17/1991 | US5049450 Composite abradable coating |
| 09/17/1991 | US5049184 Method of making a low thermal expansion, high thermal conductivity, composite powder metallurgy member and a member made thereby |
| 09/17/1991 | US5049183 Sintered machine part and method |
| 09/12/1991 | DE4106219A1 Sinter powder with increased iron content - gives prods. of improved dimensional stability and mechanical properties,increasing mfg. efficiency |
| 09/10/1991 | US5046247 Coating, compression molding, insertion into pipe |
| 09/05/1991 | WO1991012881A1 Process for treating a powder and device therefor |
| 09/03/1991 | US5045278 Aluminum alloy and reinforcement; ball milling, consolidation |
| 08/28/1991 | CN1054022A Preparing technology for electric conducting wear-resistant alloy |
| 08/24/1991 | WO1991013445A1 Copper alloy composition |
| 08/23/1991 | WO1991013182A1 Deoxidation of a refractory metal |
| 08/23/1991 | CA2075922A1 Deoxidation of a refractory metal |
| 08/22/1991 | WO1991012076A1 Composition having air cleaning power and preparation thereof |
| 08/22/1991 | DE4005328A1 Verfahren zur konditionierung eines pulvers und vorrichtung dafuer Method for conditioning a powder and apparatus therefor |
| 08/21/1991 | EP0442052A1 Disc brakes friction lining, especially for road vehicles and railway vehicles |
| 08/20/1991 | US5041414 Continuous, malleable, silver-plated ceramic |
| 08/20/1991 | US5040718 Applying powdered mixture of low and high melting nickel alloys, heating to melt low-melting alloy, cooling to fill holes |
| 08/14/1991 | EP0441607A2 Mouldable composition |
| 08/14/1991 | EP0441092A1 A method and apparatus for heat treating a particulate product |
| 08/14/1991 | EP0440620A1 Semifinished product for electrical contacts, made of a composite material based on silver and tin oxide, and powder metallurgical process for producing it. |
| 08/07/1991 | EP0440570A1 Process for sintering powders of metals, metal alloys, ceramics or cermets |
| 08/07/1991 | EP0440093A1 Cast product having ceramics as insert and method of making same |
| 08/06/1991 | US5037705 Shell of molybdenum oxide |
| 08/06/1991 | US5037670 Method of manufacturing a low sheet resistance article |
| 08/03/1991 | CA2035174A1 Sintering process for metal, metal alloys, ceramics or ceramic metal material powders |
| 07/30/1991 | US5036170 Method for cleaning ferromagnetic chip from a lubricant-coolant and an apparatus for carrying out the method |
| 07/30/1991 | US5035845 Powder pressing method |
| 07/30/1991 | US5035837 Containing cuprous and cupric oxide, thick films, printed circuits |
| 07/25/1991 | WO1991010753A1 Metal-powder blend |
| 07/25/1991 | DE4001900A1 Metallpulvermischung Metal powder mixture |
| 07/24/1991 | EP0438338A1 Process for making a product from pre-alloyed powders and the product obtained from the said process |
| 07/23/1991 | US5034282 Process for the powder metallurgical production of working pieces or tools and PM parts |
| 07/18/1991 | DE4000885A1 Sub-microscopic particles made of at least core material and coating - are produced by feeding core particles in carrier gas to coating zone |
| 07/16/1991 | US5032354 Powder metallurgy, polylactones |
| 07/16/1991 | US5032353 Sintering method for producing structural components of an intermetallic compound |
| 07/16/1991 | US5032193 Method of making synthetically engineered materials |
| 07/16/1991 | US5032174 Powder particles for fine-grained hard material alloys and a process for the preparation of powder particles for fine-grained hard material alloys |
| 07/11/1991 | WO1991009815A1 Ceramic microspheres |
| 07/10/1991 | CN1052907A Stibiated iron base materials for powder metallurgy |
| 07/09/1991 | US5030278 Process of restructuring a group of finely divided particles |
| 07/03/1991 | CN1052703A Corrosion resisting hard alloy and its made method |
| 07/03/1991 | CN1013042B Process for reduction of dispersion of mechanical characteristic values of tungsten-nickel-iron alloy |
| 07/02/1991 | US5028278 Forming silicon compound and transition metal compound layers on iron oxide particle, reduction to the metal, magnetic recording media |
| 07/01/1991 | EP0542733A4 Reaction injection molding of ceramic greenbodies. |
| 06/27/1991 | WO1991008850A1 Method of manufacturing minute metallic balls uniform in size |
| 06/26/1991 | EP0434461A1 Ceramic microspheres |
| 06/26/1991 | EP0433397A1 Heat treatment for aluminum-lithium based metal matrix composites |
| 06/25/1991 | US5026519 Contacting metal powder with aqueous mixture of hydrofluoric acid and hydrochloric acid, isostaticly pressing |
| 06/23/1991 | CA2033131A1 Ceramic microspheres |
| 06/12/1991 | CN1052070A Method for producing ta powder used in capacitor |
| 06/12/1991 | CN1012803B Process for manufacturing particulate metal composites |
| 06/11/1991 | US5022935 With a metal, heating to liquify deoxidant, cooling, purification of surface |
| 05/30/1991 | WO1991007243A1 Dual processing of aluminum base metal matrix composites |
| 05/30/1991 | WO1991007242A1 Treatment of metals for coating or activation |
| 05/29/1991 | EP0428999A1 Binder for metal or ceramic powder |
| 05/29/1991 | EP0428718A1 Improved magnetic materials and process for producing the same |
| 05/28/1991 | WO1991008256A1 Material for the preparation of sintered composite materials |
| 05/28/1991 | CA2069642A1 Material for the preparation of sintered composite materials |
| 05/16/1991 | DE3937740A1 Prodn. of metal or alloy nano-crystals - by vaporising base material by plasma flame and condensing on cooled surface to produce particles of uniform size |
| 05/15/1991 | EP0427375A2 Sintering metal powder and a process for making a sintered metal product |
| 05/15/1991 | EP0427227A2 Fibrous anisotropic permanent magnet and production process thereof |
| 05/14/1991 | US5015533 Member of a refractory metal material of selected shape and method of making |
| 05/14/1991 | US5015289 Kneading metal powder with short fibers, such as metal or carbon fibers and an organic binder injection molding and sintering |
| 05/14/1991 | CA1284144C Getter device for frit sealed picture tubes |
| 05/14/1991 | CA1284022C Graded refractory cermet article |
| 05/10/1991 | WO1991007244A1 Spray conversion process for the production of nanophase composite powders |
| 05/10/1991 | CA2045125A1 Spray conversion process for the production of nanophase composite powders |
| 05/08/1991 | EP0426212A1 Process and composition for treating metal surfaces |
| 05/08/1991 | EP0151185B1 Tin-containing iron powder and process for its production |
| 05/07/1991 | US5013346 Metal, alloy, glass |
| 05/02/1991 | EP0425073A1 Copper paste composition |
| 05/02/1991 | EP0424977A2 A method of treating particles for use in the manufacture of electromagnetic shielding material |
| 05/02/1991 | EP0424739A2 Process for producing preforms from ceramic or metallic fibers |
| 05/02/1991 | EP0424411A1 Process for treating metal particles against corrosion and the particles thereby obtained |
| 05/02/1991 | EP0274542B1 Alloy steel powder for powder metallurgy |
| 05/02/1991 | CA2028872A1 Base metal thick film resistor compositions with low sheet resistance and low temperature coefficient of resistance |
| 04/30/1991 | US5011566 Coating cleaned fibers with tube material, then controlled oxidation of fiber |
| 04/30/1991 | US5011552 Method for producing a rare earth metal-iron-boron permanent magnet by use of a rapidly-quenched alloy powder |
| 04/30/1991 | US5011510 Mixing powders of diamond, boron nitride, metals; then molding, simultaneous sintering |
| 04/23/1991 | US5009706 Flat crystal grains of neodymium, praseodymium and/or rare earth elements, boron, copper and iron |
| 04/18/1991 | WO1991005025A1 Coated hard material particles, process for their manufacture, and use in the manufacture of stock removal tools |
| 04/17/1991 | EP0422629A1 Process for treating aluminium alloy powders |
| 04/17/1991 | EP0422343A1 Brazing alloy of copper, silicon, titanium, aluminum |
| 04/10/1991 | EP0420962A1 Manufacture of dimensionally precise pieces by sintering. |
| 04/10/1991 | CN1050563A Controlling oxygen content in tantalum material |
| 04/10/1991 | CN1050562A Method for controlling oxygen content of tantalum material |
| 04/09/1991 | US5006493 Novel ceramic binder comprising poly(ethyloxazoline) |
| 04/04/1991 | WO1991004346A1 Recycling scrap metal |
| 04/04/1991 | CA2066564A1 Recycling scrap metal |