GB1303845A - - Google Patents

Info

Publication number
GB1303845A
GB1303845A GB684370A GB684370A GB1303845A GB 1303845 A GB1303845 A GB 1303845A GB 684370 A GB684370 A GB 684370A GB 684370 A GB684370 A GB 684370A GB 1303845 A GB1303845 A GB 1303845A
Authority
GB
United Kingdom
Prior art keywords
water
powder
iron powder
acid
residual
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
GB684370A
Other languages
English (en)
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 filed Critical
Publication of GB1303845A publication Critical patent/GB1303845A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • G03G9/113—Developers with toner particles characterised by carrier particles having coatings applied thereto
    • G03G9/1131—Coating methods; Structure of coatings
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Developing Agents For Electrophotography (AREA)
  • Chemically Coating (AREA)
GB684370A 1969-02-17 1970-02-12 Expired GB1303845A (cs)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US79996669A 1969-02-17 1969-02-17

Publications (1)

Publication Number Publication Date
GB1303845A true GB1303845A (cs) 1973-01-24

Family

ID=25177182

Family Applications (1)

Application Number Title Priority Date Filing Date
GB684370A Expired GB1303845A (cs) 1969-02-17 1970-02-12

Country Status (4)

Country Link
US (1) US3632512A (cs)
BE (1) BE746109A (cs)
FR (1) FR2037385A5 (cs)
GB (1) GB1303845A (cs)

Families Citing this family (42)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5029157B1 (cs) * 1971-05-27 1975-09-20
US3839029A (en) * 1971-07-08 1974-10-01 Xerox Corp Electrostatographic development with ferrite developer materials
US3914181A (en) * 1971-07-08 1975-10-21 Xerox Corp Electrostatographic developer mixtures comprising ferrite carrier beads
US3932293A (en) * 1972-05-22 1976-01-13 Minnesota Mining And Manufacturing Company Metallic ferromagnetic particles for use in environmentally stable magnetic recording media
US3865627A (en) * 1972-05-22 1975-02-11 Minnesota Mining & Mfg Magnetic recording medium incorporating fine acicular iron-based particles
US3837912A (en) * 1972-05-22 1974-09-24 Minnesota Mining & Mfg Environmentally stable iron-based magnetic recording medium
US3900414A (en) * 1972-09-28 1975-08-19 Memorex Corp Electrophotographic developer
US3945823A (en) * 1972-11-21 1976-03-23 Xerox Corporation Electrostatographic reversal development with developer comprising poly(p-xylene)-coated carrier particles
US4042517A (en) * 1972-12-18 1977-08-16 Xerox Corporation Electrostatographic developer mixture containing a thermoset acrylic resin coated carrier
US4035520A (en) * 1972-12-18 1977-07-12 Xerox Corporation Imaging systems
DE2356796A1 (de) * 1973-11-14 1975-05-15 Bosch Gmbh Robert Hohlkoerper und verfahren zu dessen herstellung
US3922381A (en) * 1974-06-14 1975-11-25 Addressorgrap Multigraph Corp Chemically treated carrier particles for use in electrophotographic process
JPS51124434A (en) * 1975-04-22 1976-10-29 Ricoh Co Ltd Duplicating method for plural sheets
US4223085A (en) * 1976-04-05 1980-09-16 Xerox Corporation Semi-conductive nickel carrier particles
JPS5913732B2 (ja) * 1977-07-05 1984-03-31 コニカ株式会社 鉄粉現像担体及びその製造方法並びに現像剤と画像形成方法
US4310611A (en) * 1979-06-29 1982-01-12 Eastman Kodak Company Electrographic magnetic carrier particles
US4342824A (en) * 1980-05-27 1982-08-03 Imaging Systems Corporation Developer with coated carrier material and method of making
US4554088A (en) * 1983-05-12 1985-11-19 Advanced Magnetics Inc. Magnetic particles for use in separations
JPS61284774A (ja) * 1985-06-10 1986-12-15 関東電化工業株式会社 電子写真現像剤用キヤリア及びその製造法
US5219554A (en) * 1986-07-03 1993-06-15 Advanced Magnetics, Inc. Hydrated biodegradable superparamagnetic metal oxides
US5069216A (en) * 1986-07-03 1991-12-03 Advanced Magnetics Inc. Silanized biodegradable super paramagnetic metal oxides as contrast agents for imaging the gastrointestinal tract
DE3831091A1 (de) * 1988-09-13 1990-03-29 Basf Ag Oxidbeschichtete carrier, ein verfahren zur herstellung dieser carrier und deren verwendung
US5096797A (en) * 1991-01-14 1992-03-17 Eastman Kodak Company Method for improving performance of barium and strontium ferrite carrier particles with acid wash
US5272039A (en) * 1992-05-04 1993-12-21 Eastman Kodak Company Preparation of magnetic carrier particles
US5332638A (en) * 1993-03-29 1994-07-26 Xerox Corporation Developer compositions with thermoset polymer coated carrier particles
US5385800A (en) * 1993-12-22 1995-01-31 Eastman Kodak Company Bis and tris N-(carbonyl, carbonimidoyl, carbonothioyl)sulfonamide charge control agents, toners and developers
US5405727A (en) * 1993-12-22 1995-04-11 Eastman Kodak Company N-(carbonyl, carbonimidoyl, carbonothioyl) sulfonamide charge control agents and toners and developers
DE4403678A1 (de) * 1994-02-07 1995-08-10 Basf Ag Metalloxid- und metallbeschichtete Carrier für die Elektrophotographie
US5480757A (en) * 1994-06-08 1996-01-02 Eastman Kodak Company Two component electrophotographic developers and preparation method
EP0690355A1 (en) 1994-06-08 1996-01-03 Eastman Kodak Company Humidity-stabilized toners and developers
US5604069A (en) 1994-12-07 1997-02-18 Eastman Kodak Company Toners and developers containing ammonium trihalozincates as charge-control agents
US5547803A (en) 1994-12-07 1996-08-20 Eastman Kodak Company Quaternary phosphonium trihalocuprate salts as charge-control agents for toners and developers
US5508140A (en) 1994-12-21 1996-04-16 Eastman Kodak Company Toners and developers containing quaternary phosphonium 3,5-Di-tertiary-alkyl-4-hydroxybenzenesulfonates as charge-control agents
US5516616A (en) 1994-12-21 1996-05-14 Eastman Kodak Company Quaternary ammonium salts as charge-control agents for toners and developers
EP0757294A1 (en) * 1995-07-28 1997-02-05 Eastman Kodak Company Toner compositions including crosslinked and N-alkylsarcosine soaps
US5783346A (en) * 1996-03-06 1998-07-21 Eastman Kodak Company Toner compositions including polymer binders with adhesion promoting and charge control monomers
US6369136B2 (en) 1998-12-31 2002-04-09 Eastman Kodak Company Electrophotographic toner binders containing polyester ionomers
US6326118B1 (en) * 2000-09-05 2001-12-04 Xerox Corporation Surface alloyed cores for electrostatographic carriers and developers
US7087305B2 (en) * 2002-05-30 2006-08-08 Eastman Kodak Company Fuser member with tunable gloss level and methods and apparatus for using the same to fuse toner images
CA2573289A1 (en) * 2004-07-14 2006-01-19 Mycoal Products Corporation Micro-heater and method for manufacture thereof
US7541130B2 (en) * 2005-11-01 2009-06-02 Eastman Kodak Company Sulfone charge control agents for electrostatographic toners
US8435712B2 (en) 2008-05-21 2013-05-07 Eastman Kodak Company Developer for selective printing of raised information by electrography

Also Published As

Publication number Publication date
DE2007003A1 (de) 1970-08-20
US3632512A (en) 1972-01-04
DE2007003B2 (de) 1975-08-14
BE746109A (fr) 1970-07-31
FR2037385A5 (cs) 1970-12-31

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee