BR7409417A - Processo para producao de particulas de ferrita,isentas de espacos vazios,substancialmente esfericas,particulas produzidas pelo mesmo e processo eletrotatografico de formacao de imagens que utiliza mistura de revelador contendo as particulas de ferrita - Google Patents
Processo para producao de particulas de ferrita,isentas de espacos vazios,substancialmente esfericas,particulas produzidas pelo mesmo e processo eletrotatografico de formacao de imagens que utiliza mistura de revelador contendo as particulas de ferritaInfo
- Publication number
- BR7409417A BR7409417A BR9417/74A BR941774A BR7409417A BR 7409417 A BR7409417 A BR 7409417A BR 9417/74 A BR9417/74 A BR 9417/74A BR 941774 A BR941774 A BR 941774A BR 7409417 A BR7409417 A BR 7409417A
- Authority
- BR
- Brazil
- Prior art keywords
- particles
- ferrita
- electrotatographic
- revelator
- free
- Prior art date
Links
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)
- Magnetic Ceramics (AREA)
- Soft Magnetic Materials (AREA)
- Catalysts (AREA)
- Oxygen, Ozone, And Oxides In General (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US42414673A | 1973-12-12 | 1973-12-12 |
Publications (1)
Publication Number | Publication Date |
---|---|
BR7409417A true BR7409417A (pt) | 1976-05-18 |
Family
ID=23681631
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR9417/74A BR7409417A (pt) | 1973-12-12 | 1974-11-08 | Processo para producao de particulas de ferrita,isentas de espacos vazios,substancialmente esfericas,particulas produzidas pelo mesmo e processo eletrotatografico de formacao de imagens que utiliza mistura de revelador contendo as particulas de ferrita |
Country Status (10)
Country | Link |
---|---|
JP (1) | JPS5090996A (pt) |
BR (1) | BR7409417A (pt) |
CA (1) | CA1054837A (pt) |
DE (1) | DE2452671C3 (pt) |
ES (1) | ES432203A1 (pt) |
FR (1) | FR2254536B1 (pt) |
GB (1) | GB1481711A (pt) |
IT (1) | IT1026878B (pt) |
NL (1) | NL7415657A (pt) |
SE (1) | SE397887B (pt) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AU502548B2 (en) * | 1975-10-29 | 1979-08-02 | Xerox Corporation | Ferrite electrostatographic carrier particles |
FR2389968B1 (pt) * | 1977-05-02 | 1983-02-04 | Burroughs Corp | |
JPS58145625A (ja) * | 1982-02-12 | 1983-08-30 | Tdk Corp | 磁性キヤリヤ粒子 |
JPS58145622A (ja) * | 1982-02-12 | 1983-08-30 | Tdk Corp | 磁性キヤリヤ粒子 |
US4480093A (en) * | 1983-05-23 | 1984-10-30 | Borg-Warner Chemicals, Inc. | Amines salts of phosphoric acid |
JPS60458A (ja) * | 1983-06-09 | 1985-01-05 | Kanto Denka Kogyo Kk | 電子写真用キヤリア− |
JPS6060930A (ja) * | 1983-09-13 | 1985-04-08 | Dowa Mining Co Ltd | フエライト球状粉の製造法 |
DE3809694A1 (de) * | 1988-03-23 | 1989-10-05 | Hoechst Ceram Tec Ag | Verfahren zur herstellung eines trennmittels zum mehrlagigen brennen von keramikfolien |
DE69012398T2 (de) * | 1989-04-19 | 1995-02-02 | Toda Kogyo Corp | Ferritteilchen und Ferrit-Harz-Komposit für Verbundmagnetkern und Verfahren zu deren Herstellung. |
JP2743009B2 (ja) * | 1989-04-19 | 1998-04-22 | 戸田工業株式会社 | ボンド磁心用フェライト粒子粉末及びその製造法 |
FR2786479B1 (fr) * | 1998-11-26 | 2001-10-19 | Commissariat Energie Atomique | Preparation par atomisation-sechage d'une poudre coulable de bioxyde d'uranium obtenu par conversion en voie seche de l'uf6 |
-
1974
- 1974-10-29 CA CA212,579A patent/CA1054837A/en not_active Expired
- 1974-11-06 DE DE2452671A patent/DE2452671C3/de not_active Expired
- 1974-11-08 BR BR9417/74A patent/BR7409417A/pt unknown
- 1974-11-14 GB GB49374/74A patent/GB1481711A/en not_active Expired
- 1974-11-22 ES ES432203A patent/ES432203A1/es not_active Expired
- 1974-11-29 NL NL7415657A patent/NL7415657A/xx active Search and Examination
- 1974-12-03 JP JP49139411A patent/JPS5090996A/ja active Pending
- 1974-12-09 SE SE7415379A patent/SE397887B/xx unknown
- 1974-12-09 IT IT30308/74A patent/IT1026878B/it active
- 1974-12-12 FR FR7440926A patent/FR2254536B1/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB1481711A (en) | 1977-08-03 |
IT1026878B (it) | 1978-10-20 |
DE2452671C3 (de) | 1979-12-20 |
DE2452671A1 (de) | 1975-06-26 |
ES432203A1 (es) | 1977-02-16 |
FR2254536A1 (pt) | 1975-07-11 |
DE2452671B2 (de) | 1979-04-12 |
NL7415657A (nl) | 1975-03-27 |
JPS5090996A (pt) | 1975-07-21 |
FR2254536B1 (pt) | 1982-04-16 |
SE397887B (sv) | 1977-11-21 |
CA1054837A (en) | 1979-05-22 |
SE7415379L (pt) | 1975-06-13 |
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