BRPI0700429A - toner com magnetita de alta resistência - Google Patents

toner com magnetita de alta resistência

Info

Publication number
BRPI0700429A
BRPI0700429A BRPI0700429-0A BRPI0700429A BRPI0700429A BR PI0700429 A BRPI0700429 A BR PI0700429A BR PI0700429 A BRPI0700429 A BR PI0700429A BR PI0700429 A BRPI0700429 A BR PI0700429A
Authority
BR
Brazil
Prior art keywords
toner
high strength
strength magnetite
magnetite
gamma iron
Prior art date
Application number
BRPI0700429-0A
Other languages
English (en)
Inventor
Mark E Mang
Hui Chang
Michael L Grande
Gary A Minagawa
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 BRPI0700429A publication Critical patent/BRPI0700429A/pt
Publication of BRPI0700429B1 publication Critical patent/BRPI0700429B1/pt

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
    • G03G9/083—Magnetic toner 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
    • G03G9/083—Magnetic toner particles
    • G03G9/0831—Chemical composition of the magnetic components
    • 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
    • G03G9/083—Magnetic toner particles
    • G03G9/0831—Chemical composition of the magnetic components
    • G03G9/0833—Oxides
    • 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
    • G03G9/083—Magnetic toner particles
    • G03G9/0835—Magnetic parameters of the magnetic components
    • 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
    • G03G9/083—Magnetic toner particles
    • G03G9/0836—Other physical parameters of the magnetic components
    • 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
    • G03G9/083—Magnetic toner particles
    • G03G9/0837—Structural characteristics of the magnetic components, e.g. shape, crystallographic structure

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Developing Agents For Electrophotography (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

TONER COM MAGNETITA DE ALTA RESISTêNCIA. Um toner tendo uma magnetita de alta resistência em uma quantidade de a partir de cerca de 10 a cerca de 40 por cento em peso, onde a magnetita inclui um material selecionado do grupo consistindo em FeO, Fe~ 2~O~ 3~, Fe~ 3~O~ 4~, óxidos de ferro gama, cobalto-óxidos de ferro gama, e suas misturas, e incluindo ainda um agente de desenvolvimento tendo um carreador e toner conforme há pouco descrito.
BRPI0700429-0A 2006-02-21 2007-02-21 Toner com magnetita de alta resistência BRPI0700429B1 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US11/359,137 2006-02-21
US11/359,137 US7537874B2 (en) 2006-02-21 2006-02-21 Toner with high strength magnetite

Publications (2)

Publication Number Publication Date
BRPI0700429A true BRPI0700429A (pt) 2007-11-06
BRPI0700429B1 BRPI0700429B1 (pt) 2019-02-19

Family

ID=38068489

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0700429-0A BRPI0700429B1 (pt) 2006-02-21 2007-02-21 Toner com magnetita de alta resistência

Country Status (8)

Country Link
US (1) US7537874B2 (pt)
EP (1) EP1821153B1 (pt)
JP (1) JP2007226235A (pt)
KR (1) KR101414478B1 (pt)
CN (1) CN101025583A (pt)
BR (1) BRPI0700429B1 (pt)
CA (1) CA2578504C (pt)
MX (1) MX2007001882A (pt)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE0701934L (sv) * 2007-08-27 2009-02-28 Sintermask Technologies Ab Tonerkomposition, framkallare innefattande tonerkompositionen och förfarande vid framställning av en volymkropp
CN102253617A (zh) * 2011-06-21 2011-11-23 天津市中环天佳电子有限公司 磁性防伪墨粉
CN102286227A (zh) * 2011-06-21 2011-12-21 福建鸿博印刷股份有限公司 一种磁性防伪油墨及其制备方法
US9251458B2 (en) 2011-09-11 2016-02-02 Féinics Amatech Teoranta Selective deposition of magnetic particles and using magnetic material as a carrier medium to deposit nanoparticles
EP2784724A3 (en) 2013-03-27 2015-04-22 Féinics AmaTech Teoranta Selective deposition of magnetic particles, and using magnetic material as a carrier medium to deposit other particles
CN108139701A (zh) * 2015-10-26 2018-06-08 奥西-技术有限公司 调色剂组合物
US9703217B1 (en) * 2016-03-25 2017-07-11 Xerox Corporation Toner compositions for magnetic ink character recognition

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3627682A (en) 1968-10-16 1971-12-14 Du Pont Encapsulated particulate binary magnetic toners for developing images
US4105572A (en) 1976-03-31 1978-08-08 E. I. Du Pont De Nemours And Company Ferromagnetic toner containing water-soluble or water-solubilizable resin(s)
JPS6057859A (ja) 1983-09-09 1985-04-03 Canon Inc 磁性マイクロカプセルトナ−
US4695524A (en) 1986-05-21 1987-09-22 Xerox Corporation Process for ultra high quality images with magnetic developer composition
US5914209A (en) 1991-05-20 1999-06-22 Xerox Corporation Single development toner for improved MICR
US5393632A (en) * 1993-08-30 1995-02-28 Xerox Corporation Toner compositions with manganese complex charge enhancing additives
JPH09325450A (ja) * 1996-06-04 1997-12-16 Fuji Photo Film Co Ltd ハロゲン化銀写真感光材料
JPH10171150A (ja) * 1996-12-06 1998-06-26 Hitachi Metals Ltd 三成分系磁性現像剤
JPH1172998A (ja) * 1997-06-30 1999-03-16 Ricoh Co Ltd 画像形成装置
US6416864B1 (en) * 1998-02-17 2002-07-09 Toda Kogyo Corporation Black magnetic composite particles for a black magnetic toner
JP2003029452A (ja) * 2001-07-18 2003-01-29 Hitachi Metals Ltd 磁性トナー
JP3797604B2 (ja) 2002-02-28 2006-07-19 株式会社巴川製紙所 Ｍｉｃｒ用トナー
US6656658B2 (en) * 2002-03-25 2003-12-02 Xerox Corporation Magnetite toner processes
US6942954B2 (en) 2003-06-25 2005-09-13 Xerox Corporation Toner processes
US7214458B2 (en) * 2003-08-28 2007-05-08 Xerox Corporation Toner compositions
US7208252B2 (en) 2004-06-30 2007-04-24 Xerox Corporation Magnetic toner and conductive developer compositions

Also Published As

Publication number Publication date
MX2007001882A (es) 2008-10-30
US7537874B2 (en) 2009-05-26
EP1821153A1 (en) 2007-08-22
KR20070083431A (ko) 2007-08-24
CN101025583A (zh) 2007-08-29
BRPI0700429B1 (pt) 2019-02-19
CA2578504C (en) 2010-11-23
EP1821153B1 (en) 2015-09-23
JP2007226235A (ja) 2007-09-06
US20070196755A1 (en) 2007-08-23
KR101414478B1 (ko) 2014-07-04
CA2578504A1 (en) 2007-08-21

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Legal Events

Date Code Title Description
B07A Application suspended after technical examination (opinion) [chapter 7.1 patent gazette]
B07A Application suspended after technical examination (opinion) [chapter 7.1 patent gazette]
B06A Patent application procedure suspended [chapter 6.1 patent gazette]
B09A Decision: intention to grant [chapter 9.1 patent gazette]
B16A Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]

Free format text: PRAZO DE VALIDADE: 10 (DEZ) ANOS CONTADOS A PARTIR DE 19/02/2019, OBSERVADAS AS CONDICOES LEGAIS. (CO) 10 (DEZ) ANOS CONTADOS A PARTIR DE 19/02/2019, OBSERVADAS AS CONDICOES LEGAIS

B21F Lapse acc. art. 78, item iv - on non-payment of the annual fees in time

Free format text: REFERENTE A 15A ANUIDADE.

B24J Lapse because of non-payment of annual fees (definitively: art 78 iv lpi, resolution 113/2013 art. 12)

Free format text: EM VIRTUDE DA EXTINCAO PUBLICADA NA RPI 2658 DE 14-12-2021 E CONSIDERANDO AUSENCIA DE MANIFESTACAO DENTRO DOS PRAZOS LEGAIS, INFORMO QUE CABE SER MANTIDA A EXTINCAO DA PATENTE E SEUS CERTIFICADOS, CONFORME O DISPOSTO NO ARTIGO 12, DA RESOLUCAO 113/2013.