| 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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| 02/24/1981 | CA1096280A1 Method of producing silicon-iron sheet material with boron addition, and product |
| 02/17/1981 | US4251592 Surface oxidation to magnetite, preparing from ferric oxide or ferric oxide hydroxide |
| 02/17/1981 | US4251296 Method of preparing an oriented-low-alloy iron from an ingot of controlled sulfur, manganese and oxygen contents |
| 02/17/1981 | US4251295 Annealing to remove sulfer |
| 02/17/1981 | US4251294 Method for producing fully-processed low-carbon electrical steel |
| 02/17/1981 | US4251293 Magnetically anisotropic alloys by deformation processing |
| 02/10/1981 | US4249966 Method of forming a forsterite insulating film on the surface of a grain-oriented silicon steel sheet |
| 02/10/1981 | CA1095386A1 Forming curved thin magnets from rare earth- transition metal powders |
| 02/04/1981 | EP0023265A1 Finely divided solids, their preparation and use |
| 02/03/1981 | US4248907 Process for preparing magnetic powder |
| 02/03/1981 | CA1094779A1 Process for treating chromium dioxide |
| 01/27/1981 | US4247601 Alloys, reverse |
| 01/27/1981 | CA1094360A1 Palladium alloys |
| 01/22/1981 | WO1981000170A1 High sensitivity magneto-industance varying proportionally with the value of the magnetic field |
| 01/20/1981 | US4246355 Ion exchange processes and products |
| 01/20/1981 | US4246049 Iron-cobalt-chromium alloy hysteresis |
| 01/20/1981 | US4246047 Non-magnetic stainless steel |
| 01/13/1981 | US4244932 Stabilized ferromagnetic chromium dioxide and process for obtaining same |
| 01/13/1981 | US4244757 Processing for cube-on-edge oriented silicon steel |
| 01/07/1981 | EP0021101A1 Amorphous soft magnetic alloy |
| 01/07/1981 | EP0020937A1 Method of enhancing the magnetic properties of amorphous metal alloys |
| 01/07/1981 | EP0020844A1 Improvement in the manufacture of oriented grain electrical steel sheet |
| 12/30/1980 | US4242711 Multilayer magnetic head core |
| 12/30/1980 | US4242155 Method of forming an insulating film on a grain-oriented silicon steel sheet |
| 12/23/1980 | US4241176 Polyacrylamideagarose gel coupled with an antibody |
| 12/23/1980 | US4240827 Reinforcements, nickel-free |
| 12/23/1980 | CA1091919A1 Process for the preparation of ferromagnetic chromium dioxide |
| 12/16/1980 | US4239533 Magnetic alloy having a low melting point |
| 12/10/1980 | EP0019849A1 Cold rolled non-oriented electrical steel sheet |
| 12/09/1980 | US4238534 Colloidal silica, monobasic phosphate, fine particle oxide, chromate |
| 12/02/1980 | US4236986 Decarbonization, electrodeposition, coiling |
| 12/02/1980 | US4236945 Phosphorus-iron powder and method of producing soft magnetic material therefrom |
| 12/02/1980 | US4236919 Iron, chromium, cobalt type |
| 12/02/1980 | CA1090555A1 Process for preparing ferromagnetic chromium dioxide |
| 11/27/1980 | WO1980002620A1 Microcrystalline thin strip for magnetic material with high magnetic permeability,process for producing same,and thin strip products |
| 11/18/1980 | US4234437 Lyotropic liquid crystal as suspension stabilizer |
| 11/18/1980 | US4234378 Magnetoplubite barium or strontium ferrite, cationic polyelectrolyte, anionic polymer latex |
| 11/18/1980 | US4234360 Method of making hysteresis motor rotor using amorphous magnetic alloy ribbons |
| 11/12/1980 | EP0018942A1 Ductile magnetic alloys, method of making same and magnetic body |
| 11/12/1980 | EP0018507A1 Beryllium-containing iron-boron glassy magnetic alloys and devices utilizing same |
| 11/11/1980 | US4233169 Porous magnetic glass structure |
| 11/04/1980 | US4231818 Methods of producing silicon steel strip |
| 10/30/1980 | WO1980002297A1 Process for producing permanent magnet alloy |
| 10/29/1980 | EP0018009A1 Modified acicular magnetic iron oxide, process for its production and its use in producing magnetic-recording supports |
| 10/29/1980 | EP0017801A1 Amorphous antipilferage marker and detection system comprising same |
| 10/28/1980 | CA1088386A1 Method for forming a heat-resistant coating on an oriented silicon steel sheet |
| 10/21/1980 | US4229234 Passivated, particulate high Curie temperature magnetic alloys |
| 10/21/1980 | CA1087965A1 Processing for cube-on-edge oriented silicon steel |
| 10/16/1980 | WO1980002160A1 Amorphous metal containing iron family element and zirconium,and articles obtained therefrom |
| 10/16/1980 | WO1980002159A1 Amorphous alloy containing iron family element and zirconium,and articles obtained therefrom |
| 10/15/1980 | EP0016818A1 Method for compressing gaseous materials in a contained volume |
| 10/07/1980 | US4227166 Reactor |
| 10/07/1980 | US4226620 Samarium-copper-zirconium-iron-cobalt-manganese or chromium |
| 10/07/1980 | US4226619 Iron-boron-carbon |
| 10/07/1980 | CA1086986A1 Amorphous magnetic alloy |
| 09/30/1980 | US4225366 Recrystallization annealing |
| 09/30/1980 | US4225339 Amorphous alloy of high magnetic permeability |
| 09/23/1980 | US4224067 Permanent magnet materials |
| 09/23/1980 | CA1086194A1 Silicon steel and processing therefore |
| 09/23/1980 | CA1086048A1 Magnetic particles and compacts thereof |
| 09/17/1980 | EP0015485A1 Ferromagnetic metallic pigment essentially consisting of iron, and process for its preparation |
| 09/17/1980 | EP0015293A1 Method and apparatus for producing hollow microspheres. |
| 09/16/1980 | US4222798 Method of manufacturing ferromagnetic metal powder |
| 09/16/1980 | CA1085902A1 Forming curved wafer thin magnets from rare earth- cobalt alloy powders |
| 09/16/1980 | CA1085604A1 Acicular ferromagnetic metal particles and method for preparation of the same |
| 09/09/1980 | US4221615 Soft-magnetic platinum-cobalt products |
| 09/09/1980 | US4221614 Method of manufacturing ferromagnetic magnetic metal powder |
| 09/09/1980 | US4221613 Rare earth-cobalt system permanent magnetic alloys and method of preparing same |
| 09/04/1980 | WO1980001857A1 Magnetically anisotropic alloys by deformation processing |
| 09/03/1980 | EP0014889A1 Method for the preparation of acicular ferromagnetic iron particles |
| 09/02/1980 | CA1084818A1 Silicon steel and processing therefore |
| 09/02/1980 | CA1084817A1 Processing for cube-on-edge oriented silicon steel |
| 08/26/1980 | US4219355 Iron-metalloid amorphous alloys for electromagnetic devices |
| 08/20/1980 | EP0014382A2 Iron oxide pigments in the form of platelets, process for their preparation and their use |
| 08/20/1980 | EP0014363A1 Cobalt-doped ferrimagnetic iron oxides and process for producing them |
| 08/20/1980 | EP0014302A1 Process for producing needle-shaped highly coercive gamma-iron(III) oxide |
| 08/19/1980 | US4218507 Coated particles and process of preparing same |
| 08/12/1980 | US4217168 Magnetic core formed from laminations |
| 08/12/1980 | US4217152 Process for production of ferromagnetic powder |
| 08/12/1980 | US4217151 Cermet type magnetic material |
| 08/12/1980 | US4217135 Iron-boron-silicon ternary amorphous alloys |
| 08/05/1980 | CA1082952A1 Silicon steel and processing therefore |
| 08/05/1980 | CA1082862A1 Powder metallurgy method for making shaped articles and product thereof |
| 07/29/1980 | US4214960 Method of electrolytically etching ferrite |
| 07/29/1980 | US4214893 Method of making a magnetic powder |
| 07/29/1980 | CA1082491A1 Near-zero magnetostrictive amorphous alloy with high saturation induction |
| 07/29/1980 | CA1082446A1 Powder products |
| 07/22/1980 | US4213959 Manufacture of acicular, ferrimagnetic iron oxide |
| 07/22/1980 | US4213804 Processing for cube-on-edge oriented silicon steel |
| 07/22/1980 | US4213803 R2 Co17 Rare type-earth-cobalt, permanent magnet material and process for producing the same |
| 07/22/1980 | US4213802 Method of treating a permanent magnet alloy |
| 07/22/1980 | US4213792 Coating solution for applying tensioning coatings to electrical steel strip |
| 07/15/1980 | US4212904 Method for treating items from magnetically soft alloys |
| 07/15/1980 | US4212689 Coating with forsterite, hot rolling, annealing, cold rolling, decarburization |
| 07/09/1980 | EP0013009A1 Magnetic toner and ink |
| 07/08/1980 | US4211585 Samarium-cobalt-copper-iron-titanium permanent magnets |
| 07/01/1980 | US4210471 Permanent magnet material and process for producing the same |
| 07/01/1980 | CA1080517A1 Processing for high permeability silicon steel |
| 06/24/1980 | US4209412 Containing zinc and phosphorus; magnetic acicular particles |
| 06/17/1980 | US4208294 Dilution stable water based magnetic fluids |