| 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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| 11/16/1989 | WO1989011154A1 Encapsulated superparamagnetic particles |
| 11/15/1989 | EP0341435A2 Method of forming a particulate solid ferromagnetic alloy by rapidly quenching |
| 11/15/1989 | CN1037231A Low-frequency transformer |
| 11/15/1989 | CN1037176A High magnetic capability accumulated neodymium praseodymium permanent magnetic alloy and the preparation technology thereof |
| 11/07/1989 | US4879055 Liquid thermosetting binder, dimensional accuracy |
| 11/07/1989 | US4878964 Permanent magnetic alloy and method of manufacturing the same |
| 11/07/1989 | US4878958 Method for preparing rare earth-iron-boron permanent magnets |
| 11/02/1989 | WO1989010620A1 Ferromagnetic materials |
| 11/02/1989 | EP0339767A2 Method and apparatus for making flakes of RE-Fe-B-type magnetically-aligned material |
| 11/02/1989 | EP0339475A2 High-flux density, grain-oriented electrical steel sheet having highly improved watt loss characteristic and process for preparation thereof |
| 11/02/1989 | EP0339474A1 Process for preparation of grain-oriented electrical steel sheet having excellent magnetic and film characteristics |
| 11/02/1989 | EP0339146A1 Electromagnetic wave absorber |
| 10/31/1989 | US4877543 Low loss oxide magnetic material |
| 10/26/1989 | DE3911039A1 Magnetic powder for magnetic recording media, and process for the production of such a powder |
| 10/25/1989 | EP0338597A2 Permanent magnets |
| 10/25/1989 | CN1036658A Method of manufacturing permanent magnet |
| 10/24/1989 | US4876305 Curable mixture of epoxy resin, aminosilane or polyaminosilane, and epoxysilane; protective coatings |
| 10/24/1989 | US4876022 Cobalt ferrite |
| 10/24/1989 | US4875970 Dimensional accuracy |
| 10/24/1989 | US4875946 Process for producing rare earth-cobalt permanent magnet |
| 10/18/1989 | EP0337716A2 Magnetic ribbon and magnetic core |
| 10/17/1989 | US4874668 Magnetic powder and magnetic recording medium comprising the same |
| 10/11/1989 | EP0336525A1 Method of forming recessed profile on ferrite single crystal by chemical etching |
| 10/11/1989 | EP0336468A1 Process for preparing a polypyrrol-latex and use of this latex for forming conducting films |
| 10/10/1989 | US4873504 Bonded high energy rare earth permanent magnets |
| 10/10/1989 | US4873102 Swelling porous polymer in aqueous solution of strong acid salt of iron, cobalt, or nickel, and basification |
| 10/04/1989 | CN1036101A 硬磁材料 Hard magnetic material |
| 10/03/1989 | US4871925 High-voltage pulse generating apparatus |
| 09/27/1989 | EP0334520A1 Integrated inductor/capacitor device using soft ferrites |
| 09/27/1989 | EP0334478A2 Die-upset manufacture to produce high volume fractions of RE-Fe-B type magnetically-aligned material |
| 09/27/1989 | EP0334445A1 Hard magnetic material |
| 09/27/1989 | EP0334222A1 Permanent domain refinement by aluminum deposition |
| 09/27/1989 | EP0334221A2 Method for treating electrical steel by electroetching and electrical steel having permanent domain refinement |
| 09/26/1989 | US4869964 Amino containing silane and epoxy resin or epoxy silane |
| 09/26/1989 | US4869869 Method of consolidating FeNdB magnets |
| 09/26/1989 | CA1261177A1 Amorphous soft magnetic thin film |
| 09/21/1989 | WO1989008922A1 Elctromagnet for an atomic absorption spectrometer |
| 09/21/1989 | WO1989008516A1 Fine metal powder and method of producing same |
| 09/21/1989 | DE3908014A1 Electrically conductive magnetic fluid, and method for preparing it |
| 09/20/1989 | EP0332990A2 Particulate magnetic hexaferrite pigments containing potassium from precipitated magnetite, process for their production and their use |
| 09/20/1989 | CN1035738A Fabrication of oversize anisotropic rare-earth permanent magnet |
| 09/20/1989 | CN1035737A Rare-earth permanent magnet and fabrication method |
| 09/19/1989 | US4867943 Iron, particle size for high density |
| 09/19/1989 | US4867910 Charge transfer complexes |
| 09/19/1989 | US4867809 Rare earth metal, iron, obron, flattening isotropic powders |
| 09/19/1989 | US4867785 Method of forming alloy particulates having controlled submicron crystallite size distributions |
| 09/13/1989 | EP0331740A1 MAGNETIC CORE MATERIAL FOR HIGH FREQUENCY MADE OF Fe-Co BASE ALLOY |
| 09/13/1989 | CN1035581A Cheap rare-earth feb permanent magnet |
| 09/13/1989 | CN1035580A Rare-earth permanent magnet and its productive method |
| 09/13/1989 | CN1035579A Premagnetizing method of permanent magnet alloy and its products |
| 09/12/1989 | US4865915 Resin coated permanent magnet |
| 09/12/1989 | US4865660 Rare-earth element/cobalt type magnet powder for resin magnets |
| 09/12/1989 | US4865658 Oxygen-containing ferromagnetic amorphous alloy and method of preparing the same |
| 09/12/1989 | US4865657 Annealing in two stages, at different temperature, under vacuum and under hydrogen, to promote order-disorder reaction |
| 09/08/1989 | WO1989008318A1 Magnetically anisotropic sintered magnets |
| 09/06/1989 | EP0331517A2 Method for manufacture of rare earth permanent magnet |
| 09/06/1989 | EP0331498A2 Method for providing heat resistant domain refinement of electrical steels to reduce core loss |
| 09/06/1989 | EP0331497A2 Method for improving core loss properties of electrical sheet product |
| 09/06/1989 | EP0331286A2 Rapid compaction of rare earth-transition metal alloys in a fluid-filled die |
| 09/06/1989 | EP0331285A2 Explosive compaction of rare earth-transition metal alloys in a fluid medium |
| 09/06/1989 | EP0331055A1 Methods for producing a resinbonded magnet |
| 09/06/1989 | EP0331054A1 Process for the preparation of acicular alpha-ferric oxide |
| 09/05/1989 | US4863805 Rare earth-iron magnet |
| 09/05/1989 | US4863625 Titanium-containing and cobalt-containing manganese-zinc ferrite core and method of manufacturing same |
| 09/05/1989 | US4863532 Grain-oriented electromagnetic steel sheet |
| 09/05/1989 | US4863531 Method for producing a grain-oriented electrical steel sheet having a low watt loss |
| 09/05/1989 | US4863530 Fc-Pt-Nb permanent magnet with an ultra-high coercive force and a large maximum energy product, and method for producing the same |
| 09/05/1989 | US4863511 Method of forming a rare earth-cobalt type magnetic powder for resinous magnet |
| 08/30/1989 | EP0329704A1 Near-zero magnetostrictive glassy metal alloys for high frequency applications. |
| 08/29/1989 | US4862174 Magnetic material and carbon |
| 08/24/1989 | DE3804317A1 Material with predefinable dielectric and/or magnetic properties, method of production for the material and use of the material |
| 08/23/1989 | EP0328534A1 A process for the preparation of magnetic hexaferrite particles, particles obtained and products containing them. |
| 08/22/1989 | US4859410 Die-upset manufacture to produce high volume fractions of RE-Fe-B type magnetically aligned material |
| 08/22/1989 | US4859256 High permeability amorphous magnetic material |
| 08/22/1989 | US4859255 Permanent magnets |
| 08/22/1989 | US4859254 Alloy of iron, rare earth metal, cobalt and boron |
| 08/16/1989 | EP0328497A1 Superparamagnetic liquid |
| 08/15/1989 | USRE33022 Ferromagnetic amorphous alloy |
| 08/15/1989 | US4857414 Amorphous metal-metal composite article and a method for producing the same |
| 08/15/1989 | US4857188 Iron powder attracting magnet |
| 08/15/1989 | US4857118 Method of manufacturing a permanent magnet |
| 08/10/1989 | WO1989007088A1 Process for producing hexaferrite powder using strontium hydroxide solution |
| 08/09/1989 | EP0327293A2 USE OF A MAGNETIC MATERIAL, AMz |
| 08/09/1989 | EP0326999A2 Sintered ferrite materials and chip parts |
| 08/09/1989 | EP0326978A1 Process for the preparation of hexagonal ferrites |
| 08/09/1989 | EP0326976A1 Process for producing hexagonal ferrites |
| 08/08/1989 | US4855205 Spinel and magnetoplumbite phases; for electrostatic printing |
| 08/08/1989 | US4855079 Super paramagnetic fluids and methods of making super paramagnetic fluids |
| 08/08/1989 | US4854979 Method for the manufacture of an anisotropic magnet material on the basis of Fe, B and a rare-earth metal |
| 08/01/1989 | US4853048 Permanent magnetic alloy comprising gold, platinum and cobalt |
| 08/01/1989 | US4853045 Method for the manufacture of rare earth transition metal alloy magnets |
| 08/01/1989 | CA1257961A1 Process for producing magnetic powder |
| 07/26/1989 | EP0325403A2 Resin bonded magnets |
| 07/26/1989 | EP0324760A1 Method and apparatus for establishing production history |
| 07/25/1989 | US4851497 Aromatic polyesters, polyesteramides, and compositions thereof |
| 07/25/1989 | US4851059 Non-magnetic high hardness austenitic stainless steel |
| 07/25/1989 | US4851058 Boron, praseodymium, neodymium, and iron |
| 07/25/1989 | US4851056 Process for producing a semi-processed non-oriented electrical steel sheet having a low watt loss and a high magnetic flux density |
| 07/19/1989 | EP0324122A1 Starting material for injection molding of metal powder and method of producing sintered parts |
| 07/19/1989 | EP0323990A1 Process for manufacturing a material having predetermined dielectric, pyroelectric and/or magnetic properties and its use |