| Patents for H01F 1 - Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties (23,146) |
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| 04/27/1988 | EP0265413A2 Process for the manufacture of rare-earth metals and of alloys containing rare-earth metals |
| 04/27/1988 | EP0265016A2 Process of making a permanent magnet |
| 04/27/1988 | EP0265006A1 Method of manufacturing a permanent magnet |
| 04/27/1988 | CN87106209A Rare earih magnet having excellent corrosion resistance |
| 04/26/1988 | US4740419 Magnetic recording media |
| 04/26/1988 | US4740251 Calcining magnesium hydroxide with barium, chromium salts, silica; slurrying, annealing |
| 04/26/1988 | CA1235631A1 Process for producing permanent magnets and products thereof |
| 04/20/1988 | EP0264153A1 Magnetic material comprising iron, boron and a rare earth metal |
| 04/13/1988 | EP0263485A1 Particles containing Fe7C3 and process for preparing them |
| 04/12/1988 | US4737203 Method for reducing core losses of grain-oriented silicon steel using liquid jet scribing |
| 04/07/1988 | WO1988002538A1 Magnetic recording material |
| 04/07/1988 | WO1988002523A1 System for establishing production history |
| 04/07/1988 | WO1988002413A1 Magnetisable man-made fibres |
| 04/06/1988 | EP0262534A2 Fine solid spherical particles with two layers |
| 04/05/1988 | US4735924 Production of ceramic fibers |
| 04/05/1988 | US4735864 Iron, silicon, boron |
| 03/30/1988 | EP0261579A1 A method for producing a rare earth metal-iron-boron permanent magnet by use of a rapidly-quenched alloy powder |
| 03/30/1988 | EP0261456A1 Magnetic iron oxide pigments, and process for manufacturing them |
| 03/30/1988 | EP0261292A2 Method of producing fully dense permanent magnet alloy article |
| 03/30/1988 | CN87100412A 铁基非晶态合金 Fe-based amorphous alloy |
| 03/29/1988 | US4734253 Preparation of sintered magnets |
| 03/29/1988 | US4734131 Permanent-magnetic material |
| 03/23/1988 | EP0260927A2 Method of producing extra-low iron loss grain oriented silicon steel sheets |
| 03/23/1988 | EP0260870A2 Polymeric bonded metal magnet with corrosion resistant metal particles |
| 03/23/1988 | EP0260746A1 Method of manufacturing flakes from a magnetic material having a preferred crystallite orientation, flakes and magnets manufactured therefrom |
| 03/23/1988 | EP0260520A1 Magnetic iron oxide pigments, and process for manufacturing them |
| 03/22/1988 | US4732706 Method of preparing low viscosity, electrically conductive ferrofluid composition |
| 03/15/1988 | US4731286 Microwave ovens |
| 03/15/1988 | US4731278 Magnetic recording medium |
| 03/15/1988 | US4731191 Method for protecting carbonyl iron powder and compositions therefrom |
| 03/09/1988 | EP0259194A2 Forming ferrite film |
| 03/09/1988 | EP0258609A2 Permanent magnet with good thermal stability |
| 03/09/1988 | CN87105177A Method of producing neodymium-iron-boron permanent magnet |
| 03/08/1988 | US4729846 Method for manufacturing lepidocrocite |
| 03/08/1988 | US4729785 Preparation of acicular ferromagnetic metal particles consisting essentially of iron |
| 02/23/1988 | CA1233095A1 Process for producing grain-oriented electrical steel sheet having both improved magnetic properties and properties of glass film |
| 02/17/1988 | EP0255939A2 Rare earth magnet and rare earth magnet alloy powder having high corrosion resistance |
| 02/11/1988 | WO1988000986A1 Process for forming insulating film on electrical sheet |
| 02/11/1988 | WO1988000925A1 Process for producing complex oxide to be used for producing ferrite |
| 02/10/1988 | EP0255816A2 Preparation process for corrosion resistant magnetic permanent powder used in magnet manufacturing; permanent magnets produced from permanent magnet powder and their manufacturing method |
| 02/10/1988 | EP0255613A2 Process for manufacturing bipolar or multipolar permanent magnets with a high magnetic energy density |
| 02/09/1988 | US4724094 Non-destructive testing of work pieces |
| 02/09/1988 | US4724015 Method for improving the magnetic properties of Fe-based amorphous-alloy thin strip |
| 02/09/1988 | US4723994 Method of preparing a magnetic material |
| 02/03/1988 | EP0255051A1 Flame retardant bond magnet |
| 02/03/1988 | EP0254932A2 Heat treatment of rapidly quenched Fe-6.5 wt si ribbon |
| 02/03/1988 | CN87105186A Permanent magnet with good thermal stability |
| 02/02/1988 | CA1232158A1 Manufacture of powder cores for electromagnetic apparatus |
| 01/27/1988 | EP0254529A2 Permanent-magnetic material |
| 01/27/1988 | EP0254251A2 Method of producing neodymium-iron-boron permanent magnet |
| 01/27/1988 | CN87104923A High energy ball grinding method for mfg. permanent magnet of rare earth-transition metal-boron |
| 01/26/1988 | US4721524 Non-pyrophoric submicron alloy powders of Group VIII metals |
| 01/20/1988 | EP0253521A2 High energy ball-milling method for making rare earth-transition metal-boron permanent magnets |
| 01/20/1988 | EP0253428A1 Hard magnetic material |
| 01/19/1988 | CA1231630A1 Low loss electrical steel strip and method for producing same |
| 01/14/1988 | WO1988000387A1 Process for producing permanent magnets |
| 01/12/1988 | US4719027 Article having magnetic properties and production thereof |
| 01/12/1988 | CA1231292A1 Local heat treatment of electrical steel |
| 01/07/1988 | EP0251871A2 A rare earth-based permanent magnet |
| 01/07/1988 | EP0251233A1 Anisotropic rare earth magnet material and production process thereof |
| 01/07/1988 | DE3621624A1 Heat-resistant, amorphous, ferromagnetic powder, method and device for its production |
| 01/07/1988 | DE3621530A1 Process for preparing magnetic powders containing rare earth elements |
| 01/05/1988 | USRE32573 Process for producing a ferrofluid, and a composition thereof |
| 12/29/1987 | US4715906 Isothermal hold method of hot working of amorphous alloys |
| 12/29/1987 | US4715905 Method of producting thin sheet of high Si-Fe alloy |
| 12/29/1987 | US4715904 Method for producing a magnet with radial magnetic anisotropy |
| 12/29/1987 | US4715891 Method of preparing a magnetic material |
| 12/29/1987 | US4715890 Iron-rare earth-boron alloy |
| 12/23/1987 | EP0250236A1 Low viscosity, electrically conductive ferrofluid composition |
| 12/23/1987 | EP0249973A1 Permanent magnetic material and method for producing the same |
| 12/22/1987 | CA1230542A1 Insulative coating composition for electrical steels |
| 12/16/1987 | EP0249229A2 Superparamagnetic solid particles |
| 12/16/1987 | EP0248981A2 Permanent magnet and permanent magnetic alloy |
| 12/15/1987 | US4713297 Lamellar magnetic core utilizing low viscosity epoxy adhesive |
| 12/15/1987 | US4713261 Method for preparing ferromagnetic iron oxide particles |
| 12/15/1987 | US4713123 Method of producing extra-low iron loss grain oriented silicon steel sheets |
| 12/09/1987 | EP0248665A2 Rare earth-iron magnet and method of making same |
| 12/09/1987 | EP0248402A2 Magnetic recording medium and production thereof |
| 12/08/1987 | US4711814 Microspheres with thin coatings of silver; then gold |
| 12/08/1987 | US4711113 Apparatus for reducing core losses of grain-oriented silicon steel |
| 12/03/1987 | WO1987007425A1 Method for the preparation of permanent magnets by division of crystals |
| 12/02/1987 | EP0247681A1 Magnetic material, magnetic recording medium, and method of manufacturing a magnetic material |
| 12/02/1987 | EP0149668B1 Lightbeam responsive circuit with electromagnetic noise reduction circuit |
| 12/01/1987 | US4710427 With a surfactant, steeping in organic liquid and drying |
| 12/01/1987 | US4710242 Material for temperature sensitive elements |
| 12/01/1987 | US4710239 Containing iron, boron, neodymium and/or praesodymium |
| 12/01/1987 | US4710236 Method for the preparation of a metallic body from an amorphous alloy |
| 11/25/1987 | EP0246924A2 Method of manufacturing plastic particles for a particle display |
| 11/25/1987 | EP0246501A1 Process for producing acicular magnetic iron oxides containing cobalt |
| 11/17/1987 | US4707523 Magnetic particles |
| 11/17/1987 | US4707399 Titanium, alumina, silica, chromia, thoria, zirconia, boria |
| 11/11/1987 | EP0244968A2 Method for the thermal treatment of sintered metal permanent magnets |
| 11/10/1987 | US4705718 Magnetic recording medium |
| 11/04/1987 | EP0243641A1 Process for manufacturing a permanent-magnet material from powder |
| 11/03/1987 | US4704169 Uniformly and three-dimensionally; superconductors |
| 10/27/1987 | US4702852 Magnetoplumbite ferrite |
| 10/27/1987 | US4702780 Heat treatment, hot rolling, annealing, cold rolling to give high magnetic flux density |
| 10/27/1987 | US4702775 Residence stage between precipitation and oxidation stages |
| 10/21/1987 | EP0242283A1 A rare earth-based alloy for permanent magnet |
| 10/21/1987 | EP0242187A1 Permanent magnet and method of producing same |