GB1468841A - Electrostatographic developer mixtures comprising stoichiometric ferrite carriers - Google Patents

Electrostatographic developer mixtures comprising stoichiometric ferrite carriers

Info

Publication number
GB1468841A
GB1468841A GB3787674A GB3787674A GB1468841A GB 1468841 A GB1468841 A GB 1468841A GB 3787674 A GB3787674 A GB 3787674A GB 3787674 A GB3787674 A GB 3787674A GB 1468841 A GB1468841 A GB 1468841A
Authority
GB
United Kingdom
Prior art keywords
ferrites
ferrite carriers
stoichiometric ferrite
electrostatographic developer
developer mixtures
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB3787674A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Xerox Corp
Original Assignee
Xerox Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Xerox Corp filed Critical Xerox Corp
Publication of GB1468841A publication Critical patent/GB1468841A/en
Expired legal-status Critical Current

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
    • H01F1/01—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
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Dispersion Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Developing Agents For Electrophotography (AREA)
  • Compounds Of Iron (AREA)
  • Hard Magnetic Materials (AREA)
  • Soft Magnetic Materials (AREA)
GB3787674A 1973-09-05 1974-08-29 Electrostatographic developer mixtures comprising stoichiometric ferrite carriers Expired GB1468841A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US394604A US3929657A (en) 1973-09-05 1973-09-05 Stoichiometric ferrite carriers

Publications (1)

Publication Number Publication Date
GB1468841A true GB1468841A (en) 1977-03-30

Family

ID=23559666

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3787674A Expired GB1468841A (en) 1973-09-05 1974-08-29 Electrostatographic developer mixtures comprising stoichiometric ferrite carriers

Country Status (9)

Country Link
US (1) US3929657A (cg-RX-API-DMAC10.html)
JP (1) JPS5652305B2 (cg-RX-API-DMAC10.html)
BE (1) BE819535A (cg-RX-API-DMAC10.html)
BR (1) BR7406292D0 (cg-RX-API-DMAC10.html)
CA (1) CA1033978A (cg-RX-API-DMAC10.html)
DE (1) DE2436725C3 (cg-RX-API-DMAC10.html)
FR (1) FR2267577B1 (cg-RX-API-DMAC10.html)
GB (1) GB1468841A (cg-RX-API-DMAC10.html)
NL (1) NL179516C (cg-RX-API-DMAC10.html)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0010732A1 (en) * 1978-10-27 1980-05-14 TDK Corporation Magnetic toner powder
DK156783B (da) * 1978-12-21 1989-10-02 Canon Kk Magnetisk toner eller blaek, der omfatter en harpikskomponent og et magnetisk pulver

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
MX146295A (es) * 1975-10-29 1982-06-03 Xerox Corp Metodo mejorado para producir particulas de ferrita recubiertas e insensibles a la humedad
US3996392A (en) * 1975-10-29 1976-12-07 Xerox Corporation Humidity-insensitive ferrite developer materials
US4075391A (en) * 1975-10-29 1978-02-21 Xerox Corporation Production of ferrite electrostatographic carrier materials having improved properties
JPS58123553A (ja) * 1982-01-19 1983-07-22 Hitachi Metals Ltd 電子写真現像用フェライトキャリア
JPS58123555A (ja) * 1982-01-19 1983-07-22 Hitachi Metals Ltd 電子写真現像用フェライトキャリア
JPS58145625A (ja) * 1982-02-12 1983-08-30 Tdk Corp 磁性キヤリヤ粒子
JPS58145621A (ja) * 1982-02-12 1983-08-30 Tdk Corp 磁性キヤリヤ粒子
US4485162A (en) * 1982-02-12 1984-11-27 Tdk Electronics Co., Ltd. Magnetic carrier powder having a wide chargeable range of electric resistance useful for magnetic brush development
JPS58144839A (ja) * 1982-02-13 1983-08-29 Tdk Corp 磁性キヤリヤ粒子
JPS58202456A (ja) * 1982-04-07 1983-11-25 Hitachi Metals Ltd 電子写真用フエライトキヤリア−
JPS58179850A (ja) * 1982-04-15 1983-10-21 Hitachi Metals Ltd 電子写真用フエライトキヤリア−
US4517274A (en) * 1982-08-31 1985-05-14 Mita Industrial Co., Ltd. Method for developing electrostatic latent images
JPS5948774A (ja) * 1982-09-13 1984-03-21 Nippon Teppun Kk 電子写真現像用キヤリヤ
JPS6090345A (ja) * 1983-10-24 1985-05-21 Fuji Xerox Co Ltd 電子複写機の現像剤キヤリヤ
JPS61281703A (ja) * 1985-06-07 1986-12-12 Matsushita Electric Ind Co Ltd ケ−ブルの導入保護装置
US4764445A (en) * 1987-06-15 1988-08-16 Eastman Kodak Company Electrographic magnetic carrier particles
US5162187A (en) * 1990-08-24 1992-11-10 Xerox Corporation Developer compositions with coated carrier particles
US5798198A (en) * 1993-04-09 1998-08-25 Powdertech Corporation Non-stoichiometric lithium ferrite carrier
TW251373B (cg-RX-API-DMAC10.html) * 1993-05-20 1995-07-11 Fujidenki Kagaku Kk
KR100327646B1 (ko) * 1993-08-31 2002-07-06 다쯔타 도키오 산화물자성재료및그제조방법
US5422216A (en) * 1994-03-01 1995-06-06 Steward Developer composition and method of preparing the same
US6294304B1 (en) 1998-01-23 2001-09-25 Powdertech Corporation Environmentally benign high conductivity ferrite carrier with widely variable magnetic moment
US20030044711A1 (en) * 2001-08-24 2003-03-06 Powdertech International Corp. Irregular shaped ferrite carrier for conductive magnetic brush development
US9963410B2 (en) 2015-02-27 2018-05-08 Daikin Industries, Ltd. Method for producing 1-chloro-2,3,3-trifluoropropene

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2846333A (en) * 1955-11-01 1958-08-05 Haloid Xerox Inc Method of developing electrostatic images
US3054751A (en) * 1958-12-30 1962-09-18 Ibm Magnetic lithographic inks
US3565805A (en) * 1963-08-30 1971-02-23 Addressograph Multigraph Electrostatic developer mix
US3600216A (en) * 1968-09-06 1971-08-17 Union Carbide Corp Process for adhering poly-p-xylylene to substrates using silane primers and articles obtained thereby
US3767578A (en) * 1971-06-10 1973-10-23 Xerox Corp Carrier material for electrostatographic developer

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0010732A1 (en) * 1978-10-27 1980-05-14 TDK Corporation Magnetic toner powder
DK156783B (da) * 1978-12-21 1989-10-02 Canon Kk Magnetisk toner eller blaek, der omfatter en harpikskomponent og et magnetisk pulver

Also Published As

Publication number Publication date
NL179516C (nl) 1986-09-16
DE2436725B2 (de) 1979-07-05
CA1033978A (en) 1978-07-04
DE2436725C3 (de) 1980-03-13
US3929657A (en) 1975-12-30
NL179516B (nl) 1986-04-16
BR7406292D0 (pt) 1975-07-08
FR2267577A1 (cg-RX-API-DMAC10.html) 1975-11-07
BE819535A (fr) 1974-12-31
JPS5056946A (cg-RX-API-DMAC10.html) 1975-05-19
NL7411826A (cg-RX-API-DMAC10.html) 1974-11-25
FR2267577B1 (cg-RX-API-DMAC10.html) 1977-03-25
JPS5652305B2 (cg-RX-API-DMAC10.html) 1981-12-11
DE2436725A1 (de) 1975-03-13

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
746 Register noted 'licences of right' (sect. 46/1977)
PE20 Patent expired after termination of 20 years

Effective date: 19940828