BE644262A - - Google Patents
Info
- Publication number
- BE644262A BE644262A BE644262A BE644262A BE644262A BE 644262 A BE644262 A BE 644262A BE 644262 A BE644262 A BE 644262A BE 644262 A BE644262 A BE 644262A BE 644262 A BE644262 A BE 644262A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
- H01F1/42—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of organic or organo-metallic materials, e.g. graphene
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F9/00—Making metallic powder or suspensions thereof
- B22F9/16—Making metallic powder or suspensions thereof using chemical processes
- B22F9/18—Making metallic powder or suspensions thereof using chemical processes with reduction of metal compounds
- B22F9/20—Making metallic powder or suspensions thereof using chemical processes with reduction of metal compounds starting from solid metal compounds
- B22F9/22—Making metallic powder or suspensions thereof using chemical processes with reduction of metal compounds starting from solid metal compounds using gaseous reductors
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/41—Preparation of salts of carboxylic acids
- C07C51/412—Preparation of salts of carboxylic acids by conversion of the acids, their salts, esters or anhydrides with the same carboxylic acid part
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
- C09C1/00—Treatment of specific inorganic materials other than fibrous fillers; Preparation of carbon black
- C09C1/22—Compounds of iron
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
- G11B5/84—Processes or apparatus specially adapted for manufacturing record carriers
- G11B5/8412—Processes or apparatus specially adapted for manufacturing record carriers treatment by ultrasonics
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
- H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
- H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
- H01F1/032—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials
- H01F1/04—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials metals or alloys
- H01F1/06—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials metals or alloys in the form of particles, e.g. powder
- H01F1/065—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials metals or alloys in the form of particles, e.g. powder obtained by a reduction
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
- H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
- H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
- H01F1/12—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials
- H01F1/34—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials non-metallic substances, e.g. ferrites
- H01F1/36—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials non-metallic substances, e.g. ferrites in the form of particles
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2002/00—Crystal-structural characteristics
- C01P2002/50—Solid solutions
- C01P2002/52—Solid solutions containing elements as dopants
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/42—Magnetic properties
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Power Engineering (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Manufacturing Of Magnetic Record Carriers (AREA)
- Compounds Of Iron (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US261818A US3190748A (en) | 1963-02-28 | 1963-02-28 | Preparation of oxalate magnetic particles |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE644262A true BE644262A (US20030220297A1-20031127-C00074.png) | 1964-06-15 |
Family
ID=22995015
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE644262A BE644262A (US20030220297A1-20031127-C00074.png) | 1963-02-28 | 1964-02-24 |
Country Status (4)
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3767464A (en) * | 1968-11-13 | 1973-10-23 | Fuji Photo Film Co Ltd | Magnetic recording member and method of producing same |
| US4054530A (en) * | 1973-09-28 | 1977-10-18 | Graham Magnetics, Inc. | Iron-nickel-cobalt magnetic powder and tape prepared therefrom |
| US3965046A (en) * | 1974-09-26 | 1976-06-22 | Graham Magnetics Incorporated | Process of making metal powders and products produced thereby |
| US4146504A (en) * | 1974-09-26 | 1979-03-27 | Graham Magnetics Inc. | Porous powders and a method for their preparation |
| DE2646348C2 (de) * | 1976-10-14 | 1986-08-28 | Basf Ag, 6700 Ludwigshafen | Verfahren zur Herstellung von nadelförmigen, ferromagnetischen, im wesentlichen aus Eisen bestehenden Metallteilchen und deren Verwendung zur Herstellung von magnetischen Aufzeichnungsträgern |
| FR2373315A1 (fr) * | 1976-12-09 | 1978-07-07 | Kodak Pathe | Procede de preparation de cristaux fins de substances minerales ou organiques |
| US4594230A (en) * | 1985-02-04 | 1986-06-10 | Gte Products Corporation | Recovery of cobalt |
| IL106958A (en) * | 1993-09-09 | 1996-06-18 | Ultrafine Techn Ltd | Method of producing high-purity ultra-fine metal powder |
| FR2784691B1 (fr) * | 1998-10-16 | 2000-12-29 | Eurotungstene Poudres | Poudre metallique prealliee micronique a base de metaux de transition 3d |
| KR20210012013A (ko) | 2018-05-30 | 2021-02-02 | 헬라 노벨 메탈스 엘엘씨 | 금속 화합물로부터의 미세 금속 분말의 제조 방법 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB419953A (en) * | 1933-05-22 | 1934-11-22 | Telegraph Constr & Maintenance | Manufacture of nickel iron alloys |
| US2636892A (en) * | 1948-04-23 | 1953-04-28 | Int Standard Electric Corp | Production of metal oxalates |
| GB743792A (en) * | 1953-03-18 | 1956-01-25 | Gen Electric Co Ltd | Improvements in or relating to the production of magnetisable powder suitable for the manufacture of permanent magnets |
-
0
- NL NL124758D patent/NL124758C/xx active
-
1963
- 1963-02-28 US US261818A patent/US3190748A/en not_active Expired - Lifetime
-
1964
- 1964-02-05 GB GB4910/64A patent/GB1008127A/en not_active Expired
- 1964-02-24 BE BE644262A patent/BE644262A/xx unknown
- 1964-02-25 NL NL6401771A patent/NL6401771A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| NL6401771A (US20030220297A1-20031127-C00074.png) | 1964-08-31 |
| GB1008127A (en) | 1965-10-27 |
| US3190748A (en) | 1965-06-22 |
| NL124758C (US20030220297A1-20031127-C00074.png) | 1900-01-01 |
