CA975207A - Method for producing oxide coated iron powder of controlled resistance for electrostatic copying systems - Google Patents

Method for producing oxide coated iron powder of controlled resistance for electrostatic copying systems

Info

Publication number
CA975207A
CA975207A CA156,482A CA156482A CA975207A CA 975207 A CA975207 A CA 975207A CA 156482 A CA156482 A CA 156482A CA 975207 A CA975207 A CA 975207A
Authority
CA
Canada
Prior art keywords
iron powder
oxide coated
coated iron
electrostatic copying
controlled resistance
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
CA156,482A
Other languages
English (en)
Other versions
CA156482S (en
Inventor
John M. Mccabe
Ronald J. Schur
John S. Perlowski
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.)
Eastman Kodak Co
Original Assignee
Eastman Kodak Co
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 Eastman Kodak Co filed Critical Eastman Kodak Co
Application granted granted Critical
Publication of CA975207A publication Critical patent/CA975207A/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
    • G03G9/107—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

  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Developing Agents For Electrophotography (AREA)
  • Compounds Of Iron (AREA)
  • Powder Metallurgy (AREA)
CA156,482A 1971-12-27 1972-11-15 Method for producing oxide coated iron powder of controlled resistance for electrostatic copying systems Expired CA975207A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US21217271A 1971-12-27 1971-12-27

Publications (1)

Publication Number Publication Date
CA975207A true CA975207A (en) 1975-09-30

Family

ID=22789852

Family Applications (1)

Application Number Title Priority Date Filing Date
CA156,482A Expired CA975207A (en) 1971-12-27 1972-11-15 Method for producing oxide coated iron powder of controlled resistance for electrostatic copying systems

Country Status (6)

Country Link
US (1) US3767477A (OSRAM)
JP (1) JPS5611724B2 (OSRAM)
CA (1) CA975207A (OSRAM)
DE (1) DE2262745C3 (OSRAM)
FR (1) FR2167101A5 (OSRAM)
GB (1) GB1418880A (OSRAM)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1449835A (en) * 1973-12-07 1976-09-15 Nat Res Dev Composite metal polymer films
JPS50127641A (OSRAM) * 1974-03-27 1975-10-07
US3970571A (en) * 1974-12-20 1976-07-20 Eastman Kodak Company Method for producing improved electrographic developer
US4223085A (en) * 1976-04-05 1980-09-16 Xerox Corporation Semi-conductive nickel carrier particles
JPS53110836A (en) * 1977-03-09 1978-09-27 Konishiroku Photo Ind Co Ltd Iron powder developing carrier for electrostatic image and its manufacture as well as developing and agent image formation method
US4115076A (en) * 1977-05-24 1978-09-19 Bethlehem Steel Corporation Abrasive material suitable for manually blast cleaning ferrous metals prior to painting
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
JPS5496033A (en) * 1977-12-21 1979-07-30 Hitachi Chemical Co Ltd Developing agent for reverse development
JPS5581352A (en) * 1978-12-07 1980-06-19 Hitachi Chem Co Ltd Dry type two-component developer for reversal development
US4252881A (en) * 1978-12-11 1981-02-24 Xerox Corporation Developer mixture
US4229234A (en) * 1978-12-29 1980-10-21 Exxon Research & Engineering Co. Passivated, particulate high Curie temperature magnetic alloys
US4318735A (en) * 1979-06-18 1982-03-09 Toda Kogyo Corp. Process for preparing magnetic particles with metallic region therein, and magnetic particles prepared by the process
US4310611A (en) * 1979-06-29 1982-01-12 Eastman Kodak Company Electrographic magnetic carrier particles
DE3116489A1 (de) * 1981-04-25 1982-11-11 Basf Ag, 6700 Ludwigshafen Verfahren zur stabilisierung pyrophorer, im wesentlichen aus eisen bestehender ferromagnetischer nadelfoermiger metallteilchen
US4425383A (en) 1982-07-06 1984-01-10 Xerox Corporation Process for oxidation of carrier particles
US4894305A (en) * 1984-05-17 1990-01-16 Xerox Corporation Carrier and developer compositions generated from fly ash particles
DE3419638C2 (de) * 1984-05-25 1987-02-26 MAN Technologie GmbH, 8000 München Verfahren zur oxidativen Erzeugung von Schutzschichten auf einer Legierung
DE3727383A1 (de) * 1987-08-17 1989-03-02 Basf Ag Carrier fuer reprographie und verfahren zur herstellung dieser carrier
GB2288411B (en) * 1994-03-24 1998-04-15 Silberline Ltd Metal pigments
US5849817A (en) * 1994-03-24 1998-12-15 Silberline Limited Metal pigments
US20210237151A1 (en) * 2020-01-30 2021-08-05 Ap&C Advanced Powders & Coatings Inc. System and method for treating additive powder

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2197931A (en) * 1936-11-06 1940-04-23 Frank C Jacobs Magnetic testing material
US2365720A (en) * 1940-02-09 1944-12-26 Johnson Lab Inc High frequency core material and core
JPS5010805B1 (OSRAM) * 1967-12-29 1975-04-24

Also Published As

Publication number Publication date
US3767477A (en) 1973-10-23
JPS5611724B2 (OSRAM) 1981-03-17
FR2167101A5 (OSRAM) 1973-08-17
DE2262745C3 (de) 1981-05-14
JPS4873358A (OSRAM) 1973-10-03
DE2262745A1 (de) 1973-07-12
DE2262745B2 (de) 1980-10-02
GB1418880A (en) 1975-12-24

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