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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10/06/1988 | DE3709852A1 Stable magnetic fluid compositions and processes for their preparation and their use |
10/05/1988 | EP0285579A2 Procedure for the production of magnetic plastic laminate and magnetic laminate obtained through said procedure |
10/05/1988 | EP0284832A1 Manufacturing process for an anisotropic magnetic material based on Fe, B and a rare-earth metal |
10/04/1988 | CA1242625A1 Directional solidification of bi/mnbi compositions |
09/29/1988 | DE3806657A1 Ferrofluid compositions |
09/29/1988 | DE3709138A1 Process for producing a magnetic material from pulverulent starting components |
09/28/1988 | EP0284033A1 A method for producing a rare earth metal-iron-boron anisotropic bonded magnet from rapidly-quenched rare earth metal-iron-boron alloy ribbon-like flakes |
09/27/1988 | US4774265 Process for preparing magnetic polymer particles |
09/27/1988 | US4774072 Iron(iii) salts in alkaline suspension |
09/27/1988 | US4773950 Permanent magnet |
09/27/1988 | US4773948 Hot rolling, coiling, annealing |
09/27/1988 | US4773938 Finely divided isometric hexaferrite pigments with a W-structure, processes for their preparation and their use |
09/27/1988 | US4773931 Spindle ferromagnetic alloy particles |
09/27/1988 | CA1242314A1 Process for controlling ferrous iron content in manganese zinc ferrite |
09/20/1988 | US4772341 Low loss electrical steel strip |
09/20/1988 | US4772338 Process and apparatus for improvement of iron loss of electromagnetic steel sheet or amorphous material |
09/20/1988 | CA1242101A1 Magnetic carrier powder |
09/13/1988 | US4770903 Ferric oxide core with a cobalt ferrite shell |
09/13/1988 | US4770723 Cobalt free, mechanical strength |
09/13/1988 | US4770720 Annealing, coating with dielectric, grooves |
09/13/1988 | US4770702 With iron and boron, magnetic |
09/07/1988 | WO1988006797A1 Rare earth element-iron base permanent magnet and process for its production |
09/07/1988 | EP0281295A2 Process and composition for producing bonded magnet |
09/06/1988 | US4769293 Magnetic recording medium and production thereof |
09/06/1988 | US4769212 Process for producing metallic sintered parts |
09/06/1988 | US4769166 Expandable magnetic sealant |
09/06/1988 | US4769165 Process for synthesis of ferromagnetic chromium dioxide |
09/06/1988 | US4769091 Amorphous metal alloy |
09/06/1988 | US4769089 Method of annealing an aperture shadow mask for a color cathode ray tube |
09/06/1988 | US4769063 Method for producing rare earth alloy |
09/06/1988 | CA1241556A1 Tin-containing ferrous composite powder and method of producing same and tin-containing sintered magnetic material |
09/06/1988 | CA1241507A1 Barium or chromium additives to magnesium oxide coating slurry |
08/31/1988 | EP0280372A1 Improved method for the manufacture of rare earth transition metal alloy magnets |
08/30/1988 | US4767474 Alloy of iron(with cobalt), boron and rare earth elements |
08/30/1988 | US4767469 Electrical discharge scribing for improving core loss of grain-oriented silicon steel |
08/30/1988 | US4767450 Process for producing the rare earth alloy powders |
08/25/1988 | WO1988006154A1 Polymetallic molecular systems with ferromagnetic properties |
08/25/1988 | DE3803538A1 Process for the production of a resin-bound magnet containing a ferromagnetic material and a resin mixture |
08/24/1988 | EP0279195A1 Process for synthesis of ferromagnetic chromium dioxide |
08/23/1988 | US4765848 Permanent magnent and method for producing same |
08/17/1988 | EP0278783A1 Process for stabilization treatment of ferromagnetic metal powders |
08/17/1988 | EP0278743A1 Magnetic carbon black, process for preparing the same, and method of modifying magnetic carbon black |
08/17/1988 | EP0278342A2 Use of a material as a hard magnetic material |
08/16/1988 | US4764429 Finely, divided, spherical, two-layer solid particles |
08/16/1988 | US4764300 Preparation of finely divided and acicular hexagonal ferrites and their use for the production of magnetic recording media and plastoferrites |
08/10/1988 | EP0277416A2 Permanent magnet alloy for elevated temperature applications |
08/10/1988 | EP0277245A1 Process for producing complex oxide to be used for producing ferrite |
08/10/1988 | EP0277243A1 Process for forming insulating film on electrical sheet |
08/09/1988 | US4762755 Ferromagnetic material and a magnetic head using the same material |
08/09/1988 | US4762753 Insulative coating composition |
08/09/1988 | US4762677 Alloying |
08/09/1988 | US4762575 Crystallization, annealing |
08/09/1988 | US4762574 With rare earth oxide |
08/03/1988 | EP0276765A2 Solid matter for the preparation of hexagonal ferrite |
08/02/1988 | US4760966 Method of comminuting rare earth magnet alloys into fine particles |
08/02/1988 | CA1239812A1 Tin-containing iron base powder and process for making |
07/28/1988 | WO1988005337A1 Process for preparation of monodispersed barium containing ferrites |
07/27/1988 | CN86101368B Ni-fe surpermagnetic alloy for single pole pulse |
07/26/1988 | US4759949 Method of insulating ferromagnetic amorphous metal continuous strip |
07/19/1988 | USRE32714 Method of producing high performance permanent magnets |
07/19/1988 | US4758275 Magnetic fine particle, organic dispersion medium and surfactant |
07/13/1988 | EP0274034A2 Anisotropic magnetic powder, magnet thereof and method of producing same |
07/12/1988 | US4756933 Sheet steel contacted with resin-containing and fluoride-containing liquor |
07/06/1988 | EP0273440A2 Magnetic recording medium |
07/05/1988 | US4755395 Preparation of acicular cobalt-containing ferrimagnetic iron oxides |
07/05/1988 | US4755315 Preparation of cobalt-containing isotropic magnetic iron oxides |
07/05/1988 | US4755239 Low magnetostriction amorphous metal alloys |
06/29/1988 | EP0272867A2 Method for improving magnesium oxide steel coatings |
06/28/1988 | US4753822 Heating magnesium alcoholate and decomposing to magnesium oxide |
06/28/1988 | US4753692 Hot rolling, annealing cold rolling steel sheet containing copper and tin |
06/28/1988 | US4753687 Easy removal of excess from silicon steels after high temperature annealing |
06/28/1988 | US4753675 Method of preparing a magnetic material |
06/22/1988 | EP0271929A2 Aromatic polyesters, polyesteramides, and compositions thereof |
06/22/1988 | EP0271657A2 Fe-base soft magnetic alloy and method of producing same |
06/21/1988 | US4752407 Autoclauing iron, cobalt, barium titanium compounds with alkali metal hydroxide |
06/16/1988 | WO1988004464A1 Rare earth-cobalt based magnetic material and permanent magnet |
06/15/1988 | EP0270934A1 A method for producing a rare earth metal-iron-boron anisotropic sintered magnet from rapidly-quenched rare earth metal-iron-boron alloy ribbon-like flakes |
06/14/1988 | US4751070 Low temperature synthesis |
06/14/1988 | US4750951 Wear and corrosion resistance |
06/14/1988 | US4750949 Grain-oriented electrical steel sheet having stable magnetic properties resistant to stress-relief annealing, and method and apparatus for producing the same |
06/14/1988 | CA1237965A1 Process for producing sm.sub.2co in17 xx alloy suitable for use as permanent magnets |
06/07/1988 | US4749506 Fine particle substance-containing microgel dispersions |
06/02/1988 | WO1988004098A1 A method for producing a rare earth metal-iron-boron anisotropic sintered magnet from rapidly-quenched rare earth metal-iron-boron alloy ribbon-like flakes |
05/31/1988 | US4748017 Method for manufacturing lepidocrocite |
05/31/1988 | US4747888 Amorphous soft magnetic thin film |
05/31/1988 | US4747874 Rare earth-iron-boron permanent magnets with enhanced coercivity |
05/24/1988 | US4746378 Solid solution heat treatment |
05/19/1988 | WO1988003699A1 Near-zero magnetostrictive glassy metal alloys for high frequency applications |
05/17/1988 | US4744838 Method of continuously processing amorphous metal punchings |
05/11/1988 | EP0267122A1 Process for producing a composition, in particular a ferromagnetic liquid crystal, liquid crystal obtained by the process and device using this liquid crystal |
05/11/1988 | DE3637521A1 Permanent magnet and process for producing it |
05/10/1988 | US4743466 Magnetic tape particles, bis (triphenylphosphoranylidene) ammonium salt |
05/10/1988 | US4743313 Amorphous alloy for use in magnetic heads |
05/10/1988 | US4743311 Alloys, lasers, milling, diffusion, magnetism, compaction, deformation |
05/10/1988 | CA1236381A1 Iron-rare earth-boron permanent magnets by hot working |
05/05/1988 | WO1988003308A1 A process for the preparation of magnetic hexaferrite particles, particles obtained and products containing them |
05/05/1988 | DE3729693A1 Process for preparing fine barium ferrite particles |
05/04/1988 | EP0265966A2 Super paramagnetic fluids and methods of making super paramagnetic fluids |
05/03/1988 | US4741895 Decomposition of ammonium dichromate |
05/03/1988 | US4741850 Super paramagnetic fluids and methods of making super paramagnetic fluids |