SE397887B - PROCEDURE FOR THE PREPARATION OF ESPECIALLY SPHERIC, SPACE-FREE FERRITE PARTICLES - Google Patents
PROCEDURE FOR THE PREPARATION OF ESPECIALLY SPHERIC, SPACE-FREE FERRITE PARTICLESInfo
- Publication number
- SE397887B SE397887B SE7415379A SE7415379A SE397887B SE 397887 B SE397887 B SE 397887B SE 7415379 A SE7415379 A SE 7415379A SE 7415379 A SE7415379 A SE 7415379A SE 397887 B SE397887 B SE 397887B
- Authority
- SE
- Sweden
- Prior art keywords
- spheric
- procedure
- preparation
- space
- ferrite particles
- Prior art date
Links
- 239000002245 particle Substances 0.000 title 1
- 229910000859 α-Fe Inorganic materials 0.000 title 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2/00—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic
- B01J2/02—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic by dividing the liquid material into drops, e.g. by spraying, and solidifying the drops
- B01J2/04—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic by dividing the liquid material into drops, e.g. by spraying, and solidifying the drops in a gaseous medium
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G9/00—Developers
- G03G9/08—Developers with toner particles
- G03G9/10—Developers with toner particles characterised by carrier particles
- G03G9/107—Developers with toner particles characterised by carrier particles having magnetic components
- G03G9/1075—Structural characteristics of the carrier particles, e.g. shape or crystallographic structure
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G9/00—Developers
- G03G9/08—Developers with toner particles
- G03G9/10—Developers with toner particles characterised by carrier particles
- G03G9/107—Developers with toner particles characterised by carrier particles having magnetic components
- G03G9/108—Ferrite carrier, e.g. magnetite
- G03G9/1085—Ferrite carrier, e.g. magnetite with non-ferrous metal oxide, e.g. MgO-Fe2O3
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Crystallography & Structural Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Organic Chemistry (AREA)
- Dispersion Chemistry (AREA)
- Developing Agents For Electrophotography (AREA)
- Compounds Of Iron (AREA)
- Catalysts (AREA)
- Oxygen, Ozone, And Oxides In General (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
- Soft Magnetic Materials (AREA)
- Magnetic Ceramics (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US42414673A | 1973-12-12 | 1973-12-12 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| SE7415379L SE7415379L (en) | 1975-06-13 |
| SE397887B true SE397887B (en) | 1977-11-21 |
Family
ID=23681631
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE7415379A SE397887B (en) | 1973-12-12 | 1974-12-09 | PROCEDURE FOR THE PREPARATION OF ESPECIALLY SPHERIC, SPACE-FREE FERRITE PARTICLES |
Country Status (10)
| Country | Link |
|---|---|
| JP (1) | JPS5090996A (en) |
| BR (1) | BR7409417A (en) |
| CA (1) | CA1054837A (en) |
| DE (1) | DE2452671C3 (en) |
| ES (1) | ES432203A1 (en) |
| FR (1) | FR2254536B1 (en) |
| GB (1) | GB1481711A (en) |
| IT (1) | IT1026878B (en) |
| NL (1) | NL7415657A (en) |
| SE (1) | SE397887B (en) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| MX146295A (en) * | 1975-10-29 | 1982-06-03 | Xerox Corp | IMPROVED METHOD FOR PRODUCING HUMIDITY INSENSITIVE AND COATED FERRITE PARTICLES |
| FR2389968B1 (en) * | 1977-05-02 | 1983-02-04 | Burroughs Corp | |
| JPS58145622A (en) * | 1982-02-12 | 1983-08-30 | Tdk Corp | Magnetic carrier particle |
| JPS58145625A (en) * | 1982-02-12 | 1983-08-30 | Tdk Corp | Magnetic carrier particle |
| US4480093A (en) * | 1983-05-23 | 1984-10-30 | Borg-Warner Chemicals, Inc. | Amines salts of phosphoric acid |
| JPS60458A (en) * | 1983-06-09 | 1985-01-05 | Kanto Denka Kogyo Kk | Carrier for electrophotography |
| JPS6060930A (en) * | 1983-09-13 | 1985-04-08 | Dowa Mining Co Ltd | Manufacture of spherical ferrite powder |
| DE3809694A1 (en) * | 1988-03-23 | 1989-10-05 | Hoechst Ceram Tec Ag | METHOD FOR PRODUCING A RELEASE AGENT FOR MULTI-LAYER BURNING CERAMIC FILMS |
| EP0394020B1 (en) * | 1989-04-19 | 1994-09-14 | Toda Kogyo Corp. | Ferrite particles and ferrite resin composite for bonded magnetic core and process for their production |
| JP2743009B2 (en) * | 1989-04-19 | 1998-04-22 | 戸田工業株式会社 | Ferrite particle powder for bond core and method for producing the same |
| FR2786479B1 (en) * | 1998-11-26 | 2001-10-19 | Commissariat Energie Atomique | PREPARATION BY ATOMIZATION-DRYING OF A CASTABLE POWDER OF URANIUM BIOXIDE OBTAINED BY DRY CONVERSION OF UF6 |
-
1974
- 1974-10-29 CA CA212,579A patent/CA1054837A/en not_active Expired
- 1974-11-06 DE DE2452671A patent/DE2452671C3/en not_active Expired
- 1974-11-08 BR BR9417/74A patent/BR7409417A/en unknown
- 1974-11-14 GB GB49374/74A patent/GB1481711A/en not_active Expired
- 1974-11-22 ES ES432203A patent/ES432203A1/en not_active Expired
- 1974-11-29 NL NL7415657A patent/NL7415657A/en active Search and Examination
- 1974-12-03 JP JP49139411A patent/JPS5090996A/ja active Pending
- 1974-12-09 SE SE7415379A patent/SE397887B/en unknown
- 1974-12-09 IT IT30308/74A patent/IT1026878B/en active
- 1974-12-12 FR FR7440926A patent/FR2254536B1/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| ES432203A1 (en) | 1977-02-16 |
| BR7409417A (en) | 1976-05-18 |
| NL7415657A (en) | 1975-03-27 |
| SE7415379L (en) | 1975-06-13 |
| FR2254536B1 (en) | 1982-04-16 |
| DE2452671C3 (en) | 1979-12-20 |
| IT1026878B (en) | 1978-10-20 |
| GB1481711A (en) | 1977-08-03 |
| FR2254536A1 (en) | 1975-07-11 |
| CA1054837A (en) | 1979-05-22 |
| DE2452671B2 (en) | 1979-04-12 |
| JPS5090996A (en) | 1975-07-21 |
| DE2452671A1 (en) | 1975-06-26 |
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