Patents
Patents for H01F 1 - Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties (23,146)
10/1985
10/08/1985US4545828 Improving the core loss and controlling secondary grain growth
10/08/1985US4545827 Low silicon steel electrical lamination strip
10/08/1985CA1194687A1 Magnetic recording medium and method for the production thereof
10/02/1985EP0156537A2 Biological magnetic fluids
10/02/1985EP0156483A1 Process for producing Sm2Co17 alloy suitable for use as permanent magnets
10/02/1985EP0156482A1 Sm2Co17 alloys suitable for use as permanent magnets
10/01/1985US4544463 Method for producing equiaxed iron or iron alloy particles
10/01/1985CA1194386A1 Method for producing cube-on-edge oriented silicon steel
09/1985
09/24/1985US4543382 Plastic magnets impregnated with a dye-coated magnet alloy powder
09/24/1985US4543208 Magnetic core and method of producing the same
09/24/1985US4543198 Ferrite magnetic material for magnetic recording and process for the preparation thereof
09/24/1985US4543197 Process for producing magnetic metallic oxide
09/24/1985US4543134 Process for producing grain-oriented electrical steel sheet having both improved magnetic properties and properties of glass film
09/18/1985EP0155082A2 Epoxy resin bonded rare earth-iron magnets
09/17/1985US4541973 Production of ferrimagnetic spinel fibers
09/17/1985US4541877 Method of producing high performance permanent magnets
09/11/1985EP0154285A2 Process for producing ferromagnetic metal powder
09/10/1985US4540500 Low temperature sinterable oxide magnetic material
09/10/1985US4540477 Apparatus for producing acicular or equiaxed iron or iron alloy particles
09/10/1985US4540453 Magnetically soft ferritic Fe-Cr-Ni alloys
09/04/1985EP0153744A2 Process for producing permanent magnets
09/03/1985US4539261 Improved coercivity
09/03/1985US4539129 Magnetic recording media
08/1985
08/27/1985US4537792 Prevents sticking together of sheets during annerling;organic silicon compound
08/27/1985US4537517 Nickel-iron or nickel-cobalt type alloy
08/20/1985US4536233 Columnar crystal permanent magnet and method of preparation
08/20/1985US4536229 Fe-Ni-Mo magnet alloys and devices
08/14/1985EP0151185A1 Tin-containing iron powder and process for its production
08/13/1985US4534388 Dispersion system and method
08/07/1985EP0150580A1 Production of barium ferrite particles
08/06/1985US4533565 Method for surface treatment of ferromagnetic fine powder and forming a magnetic recording device
08/06/1985US4533409 Method and apparatus for reducing core losses of grain-oriented silicon steel
08/06/1985US4533408 Alloying transition metal, boron, and lanthanides with iron
08/06/1985US4532979 Continuous ductile filaments by melting and high-speed quenching on a rotating surface; crystal structure
07/1985
07/31/1985EP0149758A2 Process of preparing ferrite with a predetermined ferrous content
07/30/1985US4532153 Method of bonding magnetic particles to a resin particle
07/17/1985EP0148634A2 Ferromagnetic alloy particles for magnetic recording media and process for their manufacture
07/16/1985US4529649 Magnetic recording medium
07/16/1985US4529524 Process for producing plate-like barium ferrite particles for magnetic recording
07/16/1985US4529457 Amorphous press formed sections
07/16/1985US4529453 Alloy containing manganese, silicon, and aluminum
07/10/1985EP0147709A2 Process for producing isotropical magnetic-iron oxides containing cobalt and their use
07/10/1985EP0147659A2 Method for manufacturing grain-oriented silicon steel sheet
07/09/1985US4528481 Treatment of amorphous magnetic alloys to produce a wide range of magnetic properties
07/03/1985EP0015293B1 Method and apparatus for producing hollow microspheres
07/02/1985US4526611 Process for producing superfines of metal
06/1985
06/26/1985EP0146127A2 Controlled initiation chromium dioxide synthesis
06/26/1985EP0146100A2 Process for producing isotropical magnetic-iron oxides containing cobalt and their use
06/25/1985US4525314 Producing metal and metal glass microfilaments
06/25/1985US4525222 Method of heat-treating amorphous material
06/19/1985EP0145245A2 Core of a noise filter comprised of an amorphous alloy
06/19/1985EP0145229A1 Production of barium ferrite particles
06/19/1985EP0145178A1 Magnetic powder composition
06/18/1985US4524008 Dissolving metal oxide modifier in chromium oxide solution before adding to the ferromagnetic paste
06/18/1985US4523626 Amorphous metal filaments and process for producing the same
06/18/1985CA1188882A1 Method for manufacturing a magnetic powder for high density magnetic recording
06/12/1985EP0144150A1 Ferromagnetic material, ferromagnetic laminate and magnetic head
06/12/1985EP0144112A1 High energy product rare earth-transition metal magnet alloys containing boron
06/11/1985CA1188604A1 Low silicon steel electrical lamination strip
06/05/1985EP0143548A1 Grain-oriented silicon steel sheet having a low iron loss free from deterioration due to stress-relief annealing and a method of producing the same
05/1985
05/29/1985EP0142934A2 Process for the production of ordered arrays of ferromagneticcomposites
05/28/1985US4519931 Magnetic fluid
05/28/1985CA1188017A1 Colloidal size hydrophobic polymer particulate having discrete particles of an inorganic material dispersed therein
05/28/1985CA1187772A1 Method for suppressing internal oxidation in steel with antimony addition
05/28/1985CA1187770A1 Medium silicon steel electrical lamination strip
05/23/1985WO1985002265A1 Low density, electromagnetic radiation absorption composition
05/15/1985EP0141558A1 Process of manufacture for barium ferrite particles for magnetic recording media
05/15/1985EP0141187A1 Core sheet for laminated iron cores
05/14/1985US4517017 Cobalt, iron, nickel base alloys
05/08/1985EP0140523A1 Directional solidification of Bi/MnBi compositions
05/07/1985US4515850 Woven cloth; powder-binder mixture
04/1985
04/30/1985US4513597 Apparatus for reducing the watt loss of a grain-oriented electromagnetic steel sheet
04/24/1985EP0138496A1 Samarium-cobalt magnet alloy
04/23/1985US4513167 Arrays of polarized energy-generating elements
04/23/1985US4512906 From chlorides, nitrates or hydroxides of strontium, barium or lead
04/23/1985US4512862 Method of making a thin film insulator
04/23/1985US4512824 Dynamic annealing method for optimizing the magnetic properties of amorphous metals
04/23/1985US4512823 Barium or chromium additives to magnesium oxide coating slurry
04/17/1985EP0137747A2 Improvements in or relating to the production of grain oriented steel
04/17/1985EP0137232A1 Magnet pigments mainly consisting of iron, stable against processing, process for their production and their use
04/16/1985US4511617 Magnetic recording medium
04/10/1985EP0136599A2 Barium ferrite magnetic powder and recording medium employing the same
04/09/1985US4510490 Coded surveillance system having magnetomechanical marker
04/09/1985US4510489 Surveillance system having magnetomechanical marker
04/09/1985CA1185367A1 Magnetic head and method of producing same
04/03/1985EP0135980A1 Method for producing iron-silicon alloy articles
04/03/1985EP0135774A2 Magnetic recording medium and magnetic particles therefor
03/1985
03/27/1985EP0135118A2 Method of producing fine particles
03/27/1985EP0134949A1 A composition for plastic magnets
03/27/1985EP0134792A1 Magneto-electric pulse generating device
03/20/1985EP0134305A1 Permanent magnet
03/20/1985EP0134304A1 Permanent magnets
03/13/1985EP0133941A1 Magnetically active paint for silk screen process and its use
03/12/1985US4504327 Corrosion-resistant and wear-resistant magnetic amorphous alloy and a method for preparing the same
03/06/1985EP0133758A2 Iron-rare earth-boron permanent magnets by hot working
03/05/1985US4502982 Iron core material
02/1985
02/26/1985US4501726 Hydrophillic crystalline carbohydrate biodegradable matrix
02/26/1985US4501610 Acicular; aqueous iron oxide or oxyhydroxide suspension non-alkali metal salt of organic acid
02/26/1985US4501316 Method of casting amorphous metals
02/14/1985WO1985000682A1 Ambient light and electromagnetic noise reduction circuit