Patents
Patents for H01F 1 - Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties (23,146)
07/1983
07/05/1983US4391656 Isotropic and nearly isotropic permanent magnet alloys
07/05/1983CA1149170A1 Method and apparatus for producing hollow microspheres
06/1983
06/28/1983US4390461 Ferrite electrode material
06/28/1983US4390378 Method for producing medium silicon steel electrical lamination strip
06/28/1983US4390361 Process for preparing ferromagnetic particles comprising metallic iron
06/21/1983CA1148417A1 Process for production of magnetic recording elements
06/21/1983CA1148309A1 Magnetic metal and alloy pigments
06/14/1983CA1148229A1 Inductive component and method for its production
06/14/1983CA1147943A1 Method of manufacture of polycrystalline garnet, polycrystalline garnet and corresponding simple crystal
06/14/1983CA1147942A1 Method of manufacture of polycrystalline garnet including aluminum and/or gallium and/or indium and at least one element of the group consisting of rare earth and yttrium, and corresponding simple crystals
06/08/1983EP0080521A1 Low magnetostriction amorphous metal alloys
06/01/1983EP0080160A1 Permanent magnets
06/01/1983EP0080078A2 Hollow microspheres and applications thereof
05/1983
05/31/1983US4385944 Magnetic implements from glassy alloys
05/31/1983US4385932 Iron, nickel, silicon, boron
05/26/1983WO1983001738A1 Intravascularly administrable, magnetically responsive nanosphere or manoparticle, a process for the production thereof, and the use thereof
05/24/1983US4384892 High density recording reduced in the presence of zinc, copper, chromium or their compounds
05/24/1983CA1146843A1 Fe-cr-co magnets by powder metallurgy processing
05/18/1983EP0078950A2 Process for the preparation of acicular, ferrimagnetic iron oxides
05/17/1983US4383856 Method for manufacturing multilayer head core
05/11/1983EP0078401A1 Amorphous antipilferage marker
05/10/1983US4382982 Process for protecting magnetic particles with chromium oxide
05/10/1983US4382839 Process for producing ferrite single crystals
05/04/1983EP0078042A1 Surface modified ferromagnetic chromium dioxide
05/03/1983US4382061 Alloy preparation for permanent magnets
04/1983
04/27/1983EP0077552A1 Colored oil
04/26/1983US4381244 Ferrofluid
04/26/1983US4381197 Warm consolidation of glassy metallic alloy filaments
04/26/1983CA1145162A1 Iron-boron silicon ternary amorphous alloys
04/20/1983EP0077079A2 Use of a non-magnetic alloy having high hardness for electromagnetic stirrer rolls
04/12/1983US4379803 Powder, binder, phosphide, antistatic
04/12/1983CA1144640A1 Pulse generator using read head with wiegand wire
04/06/1983EP0076109A2 Method of producing grain-oriented silicon steel sheets having excellent magnetic properties
04/06/1983EP0075991A2 Magnetic recording medium and method for the production thereof
04/06/1983EP0075869A2 Magnetic recording medium
04/05/1983US4379183 Method of producing cobalt-modified magnetic particles
04/05/1983US4379004 Method of manufacturing an amorphous magnetic alloy
04/05/1983US4379003 Magnetic devices by selective reduction of oxides
03/1983
03/29/1983US4378258 Conversion between magnetic energy and mechanical energy
03/29/1983US4378240 Jby gaseous reduction of iron oxides or oxide hydroxides in a fluidized bed furnace with stirrer
03/22/1983US4377797 Magnetically actuated device comprising an Fe-Mo-Ni magnetic element
03/22/1983US4377622 Method for producing compacts and cladding from glassy metallic alloy filaments by warm extrusion
03/22/1983CA1143143A1 Production of ferrimagnetic iron oxide
03/15/1983US4376726 Method of manufacturing composition for bonded magnets
03/09/1983EP0073570A2 Magnetofluidographic ink
03/08/1983US4375996 Rare earth metal-containing alloys for permanent magnets
03/02/1983EP0072893A1 Metallic glasses having a combination of high permeability, low coercivity, low AC core loss, low exciting power and high thermal stability
03/01/1983CA1142066A1 Method of manufacturing an amorphous magnetic alloy
02/1983
02/23/1983EP0072574A2 Amorphous alloy for magnetic core material
02/23/1983EP0072437A2 Process for the preparation of finely divided ferrite powder
02/23/1983EP0072436A2 Process for the preparation of finely divided ferrite powder
02/22/1983US4374665 Amorphous alloy of iron, cobalt, manganese, boron, group three, four, and five metals, and lanthanum
02/22/1983CA1141631A1 Electro magnetic steels
02/22/1983CA1141605A1 Apparatus and method for production of high sensitivity magnetochemical particles
02/17/1983WO1983000506A1 Process for manufacturing isotropic electromagnetic steel plate having excellent magnetic characteristics
02/15/1983US4374118 Heat treatment in introgen or an inert gas
02/08/1983CA1140841A1 Electro magnetic steels
02/08/1983CA1140779A1 Passivated, particulate high curie temperature magnetic alloys
02/01/1983US4371567 High coercivity, cobalt-doped ferrimagnetic iron oxide particulates
02/01/1983US4371405 Process for producing grain-oriented silicon steel strip
02/01/1983CA1140666A1 Electroacoustic device
01/1983
01/26/1983EP0021101B1 Amorphous soft magnetic alloy
01/25/1983CA1140036A1 Bonded amorphous metal electromagnetic components
01/18/1983US4369265 Readily dispersible silicone-coated finely divided solids
01/18/1983US4369077 Drawing mild steel
01/18/1983US4369076 Wetting with boron trialkoxide
01/18/1983US4369075 Rare earth element and cobalt
01/18/1983US4368952 Magnetic display panel using reversal magnetism
01/18/1983CA1139643A1 Silicon steel and processing therefore
01/12/1983EP0069362A1 Permanent magnet
01/11/1983US4368447 Rolled core
01/05/1983EP0068463A2 A high frequency switching circuit
01/05/1983EP0068380A2 Process for producing magnetic dispersions containing a binder
01/04/1983US4367214 Manufacture of acicular ferrimagnetic iron oxide
01/04/1983US4367101 Method of providing an anti-stick coating on non-oriented, semi-processed electrical steels to be subjected to a quality anneal
01/04/1983US4367100 Silicon steel and processing therefore
12/1982
12/28/1982US4366007 Permanent magnet and process for making same
12/28/1982CA1138188A1 Composition and process for coating iron and steel
12/22/1982EP0067687A2 Magnetofluidographic or jet-ink
12/14/1982US4363831 Iron oxide and cobalt sulfate
12/14/1982US4363677 Followed by forming insulating film
12/14/1982CA1137297A1 Magnetic recording medium
12/14/1982CA1137296A1 Magnetic particle dispersions
12/08/1982EP0066348A2 Method for producing magnets
12/07/1982US4362782 Of nickle and zinc phosphate magnesium silicate
12/07/1982US4362708 Preparation of acicular gamma-iron(III) oxide of high coercive force
12/07/1982US4362581 Magnetic alloy
11/1982
11/23/1982US4360382 Method for manufacturing extremely thin magnetic plates for multilayer-type head cores
11/23/1982US4360377 Ferromagnetic metal particles, consisting essentially of iron and carrying a surface coating, and their production
11/23/1982CA1136028A1 Magnetic particle inspection process and composition useable with simultaneous illumination by ultraviolet and white light
11/23/1982CA1136023A1 Magnetically anisotropic alloys by deformation processing
11/09/1982US4358431 Production of magnetic iron oxides
11/09/1982US4358419 Method of making amorphous metal composites
11/09/1982US4358388 Magnetic polymer latex and preparation process
11/09/1982CA1135412A1 Springy shield element, in particular, for magnetic tape cassettes
11/09/1982CA1135081A1 Process for the preparation of powdered ferrites
11/03/1982EP0063730A2 Process for stabilising pyrophoric acicular ferromagnetic metal particles essentially consisting of iron
11/02/1982US4357251 Method of ceramic preparation
11/02/1982CA1134605A1 Dispersants for a ceramic slurry
10/1982
10/26/1982US4356098 Stable ferrofluid compositions and method of making same