| 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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| 09/01/1993 | CN1075669A Preparation method of rare-earthpermanent-magnet powder |
| 09/01/1993 | CN1021999C Rinsing method and rinser for reduction-diffusion process in producing rare-earth iron-based permanent-magnetic material |
| 08/31/1993 | US5240768 Articles containing metal fibers |
| 08/31/1993 | US5240640 In situ use of gelatin or an aminodextran in the preparation of uniform ferrite particles |
| 08/31/1993 | US5240628 Adsorbing n-polyalkylenepolyamine-substituted alkenylsuccinimide onto fine particles of ferrites, distilling off water and solvent and dispersing particles in a base oil |
| 08/31/1993 | US5240627 Corrosion resistance |
| 08/31/1993 | US5240626 Colloidally dispersed magnetic particles coated with anionic antiagglomerant carboxy-functional polymer, dispersing aid of anionic auxiliary carboxy-functional polymer, nonionic surfactant, glycerol |
| 08/31/1993 | US5240513 Forming carbon layer on rare earth-transition metal alloy particles, mixing with binder, shaping |
| 08/26/1993 | DE4205634A1 Cobalt@-coated needle-like berthollide iron oxide pigments - used for magnetic recording purposes in audio tapes and having high saturation magnetisation |
| 08/25/1993 | EP0557103A1 Master alloy for magnet production and its production, as well as magnet production |
| 08/25/1993 | EP0556914A2 Method of manufacturing a magnetic device |
| 08/25/1993 | EP0556751A1 Alloy ingot for permanent magnet, anisotropic powders for permanent magnet, method for producing same and permanent magnet |
| 08/25/1993 | CN1021889C Laser gas phase method for making metal-powder and equipment thereof |
| 08/24/1993 | US5238507 Sintered composite of magnetic grains coated with and separated by thin dielectric film |
| 08/19/1993 | DE4204173A1 Producing single phase incongruently melting intermetallic alloys |
| 08/18/1993 | EP0555867A2 Oriented electrical steel sheet having low core loss and method of manufacturing same |
| 08/17/1993 | US5237476 Thin film tape head assembly |
| 08/17/1993 | US5236518 Variable reluctance sensor with offset magnets having improved magnetic flux member |
| 08/11/1993 | EP0555056A2 Magnetic iron oxide particles, a process for producing the same and a magnetic recording medium |
| 08/10/1993 | US5234771 Iron, neodynium and boron alloy coated with condensation product of tannic acid, phenols and aldehydes |
| 08/05/1993 | WO1993015133A1 Method of making an iron/polymer powder composition |
| 08/04/1993 | EP0554009A1 Method of making an iron/polymer powder composition |
| 08/04/1993 | EP0553527A1 Powder material for rare earth-iron-boron based permanent magnets |
| 08/04/1993 | EP0435885B1 Metallic glass alloys for mechanically resonant target surveillance systems |
| 08/04/1993 | CN1021725C Combined magnetic therapy apparatus |
| 08/03/1993 | US5232805 Magnetic particles containing iron as the main component and process for producing the same |
| 08/03/1993 | US5232782 Magnetizable "core-shell" microspheres based on a cross-linked organopolysiloxane and a process for their preparation |
| 08/03/1993 | US5232617 Process for the preparation of hexaferrites |
| 07/29/1993 | CA2088207A1 Method for manufacturing a magnetic pulse generator |
| 07/27/1993 | USRE34322 Iron cobalt alloy with other metals formed with heat treatment for crystallization |
| 07/27/1993 | US5230751 Neodymium, iron, cobalt, boron and gallium alloys |
| 07/27/1993 | US5230749 Permanent magnets |
| 07/23/1993 | WO1993014896A1 Minute acicular particle containing metallic iron, iron carbide and carbon, production thereof, and magnetic coating composition and magnetic recording medium containing the same |
| 07/23/1993 | CA2106685A1 Minute acicular particle containing metallic iron, iron carbide and carbon, production thereof, and magnetic coating composition and magnetic recording medium containing the same |
| 07/22/1993 | WO1993013896A1 Magnetic recording media prepared from magnetic particles having an extremely thin, continuous, amorphous, aluminum hydrous oxide coating |
| 07/22/1993 | CA2126453A1 Magnetic recording media prepared from magnetic particles having an extremely thin, continuous, amorphous, aluminum hydrous oxide coating |
| 07/20/1993 | US5229219 Magnetic recording medium comprising a magnetic layer containing a specified magnetic ferrite powder and having a curie temperature up to 180° C. |
| 07/20/1993 | US5228930 Rare earth permanent magnet power, method for producing same and bonded magnet |
| 07/14/1993 | EP0551141A1 Oriented magnetic steel sheets and manufacturing process therefor |
| 07/14/1993 | EP0532701A4 Improved magnetic materials and process for producing the same |
| 07/14/1993 | EP0478674B1 Method for preparing permanent magnets based on neodymium-iron-boron |
| 07/14/1993 | CN1074245A Heat treatment method and device for metal materials |
| 07/14/1993 | CN1021607C Producing method and apparatus of anisotropic micro rare earth permanent magnetic material |
| 07/13/1993 | US5227247 Rare earth metal, iron, and boron; surface passivated by treatment in nitrogen and/or carbon dioxide |
| 07/13/1993 | US5227235 Composite soft magnetic material and coated particles therefor |
| 07/13/1993 | CA1320108C Process for preparation of grain-oriented electrical steel sheet having excellent magnetic and film characteristics |
| 07/13/1993 | CA1320033C Acicular particulate material containing iron carbide |
| 07/08/1993 | WO1993013236A1 Process for manufacturing high magnetic flux density grain oriented electrical steel sheet having superior magnetic properties |
| 07/08/1993 | WO1993013231A1 Non-oriented electromagnetic steel sheet having very good magnetic characteristics and method of manufacturing the same |
| 07/08/1993 | WO1993013177A1 Corrosion-resistant coating material and production of coating |
| 07/08/1993 | WO1993012928A1 Magnetic recording media employing soft magnetic material |
| 07/06/1993 | US5225459 Method of making an iron/polymer powder composition |
| 07/06/1993 | US5225110 Coated particulate metallic materials |
| 07/06/1993 | US5225006 Fe-based soft magnetic alloy |
| 07/06/1993 | US5225004 Bulk rapidly solifidied magnetic materials |
| 06/30/1993 | EP0549320A1 Method and apparatus for ESD protection |
| 06/30/1993 | EP0549149A1 Rare-earth bonded magnet, material therefor and method for manufacturing a bonded magnet |
| 06/30/1993 | EP0548339A1 Grain oriented electrical steel sheet having superior magnetic properties, and manufacturing process thereof. |
| 06/30/1993 | CN1073728A Process for manufacturing high magnetic flux density grain oriented electrical steel sheet having superior magnetic properties |
| 06/29/1993 | US5223047 Permanent magnet with good thermal stability |
| 06/24/1993 | WO1993012470A1 Particles suitable for use as carrier particles in electrophotography |
| 06/24/1993 | DE4242799A1 Permanent magnet with ferrite and rare earth material and protective surface - provided by nickel@ or nickel@ alloy avoiding corrosion caused by external effects. |
| 06/24/1993 | DE4141763A1 Magnetic materials comprising spin-coupled hard and soft magnetic phases |
| 06/24/1993 | CA2125479A1 Particles suitable for use as carrier particles in electrophotography |
| 06/23/1993 | EP0547620A1 Two-phase ferroelectric-ferromagnetic composite and carrier therefrom |
| 06/23/1993 | CN1073384A Method for producting rare earth alloy magnet powder |
| 06/22/1993 | US5221503 Forming and filling cavities with powder particles encapsulated with bonding agent; heating; compacting; fusion; core and shell structure |
| 06/22/1993 | US5221368 Treating hydrogen atmosphore under controlled conditions of temperature and pressure |
| 06/22/1993 | US5221322 Containing at least iron, cobalt and phosphorous |
| 06/22/1993 | CA1319309C Die-upset manufacture to produce high volume fractions of re-fe-b type magnetically aligned material |
| 06/17/1993 | DE4140900A1 Als carrier fuer die elektrophotographie geeignete teilchen As a carrier for the electromagnetic photograph suitable particles |
| 06/16/1993 | EP0546799A1 Method for producing rare earth alloy magnet powder |
| 06/16/1993 | EP0546342A2 A self-metabolic functional material |
| 06/16/1993 | CN1073216A Electrical steel sheet with grain orientation and possessing fine magnetic property and its production process |
| 06/15/1993 | US5220338 Antenna element |
| 06/15/1993 | CA1319034C High energy product rare earth-iron magnet alloys |
| 06/10/1993 | WO1993011655A1 Electromagnetic radiation susceptor material employing ferromagnetic amorphous alloy particles |
| 06/09/1993 | EP0545819A1 Copolymers with magnetic properties |
| 06/09/1993 | EP0545644A1 Method for heat treating metallic materials and apparatus therefor |
| 06/09/1993 | EP0545422A1 Multiple pulse responder and detection system and method of making and using same |
| 06/09/1993 | EP0544931A1 Method for continuous casting of metal ingots |
| 06/09/1993 | CN1073035A Single-pole combined magnet and magnetic floating bearing |
| 06/09/1993 | CN1021165C Magnetic material for use in burglar alarm system |
| 06/08/1993 | US5217804 Magnetic particles |
| 06/08/1993 | US5217543 Rare earth-iron magnet |
| 06/08/1993 | US5217542 Method for producing surface-treated magnetic powder |
| 06/08/1993 | US5217541 Permanent magnet and the method for producing the same |
| 06/08/1993 | CA1318835C Permanent magnet for accelerating corpuscular beam |
| 06/05/1993 | CA2083886A1 Multiple pulse responder and detection system and method of making and using same |
| 06/02/1993 | CN1072796A Adhesive iron-base rare earth permanent magnet and producing method thereof |
| 06/02/1993 | CN1072795A Quick-forming iron-base rare earth permanent magnet and producing method thereof |
| 06/01/1993 | US5215782 Dipping the substrate into water, adding ferrous ion solution, oxidizer and PH controller to control the oxidation-reduction potential and PH |
| 06/01/1993 | US5215682 Electrically conductive homogeneous film obtained from latex of polypyrrole prepared in aqueous medium containing ferric chloride, polyvinyl alcohol, alkyl or aryl sulfate dispersant |
| 06/01/1993 | CA1318575C Method of manufacturing, concentrating, and separating enhanced magnetic parameter material from other magnetic co-products |
| 05/27/1993 | WO1993009900A1 Storage of metal particles |
| 05/27/1993 | DE4136535C1 Low loss ferrite prodn. - involves mixing pre-sintered finely divided ferrite with water soluble vanadium salt and calcining for low brittleness |
| 05/27/1993 | DE4136534C1 Low loss ferrite prodn. - by mixing finely divided ferrite with powdered calcium oxide salt and sintering |
| 05/26/1993 | EP0542829A1 Method for producing magnetic microparticles from metallocenes. |
| 05/26/1993 | EP0504391A4 Environmentally stable reactive alloy powders and method of making same |
| 05/26/1993 | CN1020984C Low-frequency transformer |