JPS5230437A - Electrophotographic negatively charged toner powder - Google Patents

Electrophotographic negatively charged toner powder

Info

Publication number
JPS5230437A
JPS5230437A JP50106697A JP10669775A JPS5230437A JP S5230437 A JPS5230437 A JP S5230437A JP 50106697 A JP50106697 A JP 50106697A JP 10669775 A JP10669775 A JP 10669775A JP S5230437 A JPS5230437 A JP S5230437A
Authority
JP
Japan
Prior art keywords
toner powder
negatively charged
charged toner
electrophotographic
electrophotographic negatively
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.)
Granted
Application number
JP50106697A
Other languages
Japanese (ja)
Other versions
JPS5420344B2 (en
Inventor
Masato Shimada
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.)
Ricoh Co Ltd
Original Assignee
Ricoh Co Ltd
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 Ricoh Co Ltd filed Critical Ricoh Co Ltd
Priority to JP50106697A priority Critical patent/JPS5230437A/en
Publication of JPS5230437A publication Critical patent/JPS5230437A/en
Publication of JPS5420344B2 publication Critical patent/JPS5420344B2/ja
Granted legal-status Critical Current

Links

Abstract

PURPOSE: To provide an electrophotographic toner powder giving high resolution despite of any resin and any pigment to be used, and controlled to be negetive, by using a hydrophobic silica fine powder.
COPYRIGHT: (C)1977,JPO&Japio
JP50106697A 1975-09-03 1975-09-03 Electrophotographic negatively charged toner powder Granted JPS5230437A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP50106697A JPS5230437A (en) 1975-09-03 1975-09-03 Electrophotographic negatively charged toner powder

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50106697A JPS5230437A (en) 1975-09-03 1975-09-03 Electrophotographic negatively charged toner powder

Publications (2)

Publication Number Publication Date
JPS5230437A true JPS5230437A (en) 1977-03-08
JPS5420344B2 JPS5420344B2 (en) 1979-07-21

Family

ID=14440202

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50106697A Granted JPS5230437A (en) 1975-09-03 1975-09-03 Electrophotographic negatively charged toner powder

Country Status (1)

Country Link
JP (1) JPS5230437A (en)

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53128339A (en) * 1977-04-15 1978-11-09 Canon Inc Toner for electric latent image
JPS5428630A (en) * 1977-08-08 1979-03-03 Ricoh Co Ltd Toner for electrophotographic developer
JPS5434243A (en) * 1977-08-22 1979-03-13 Canon Inc Developer for static image
JPS561946A (en) * 1979-06-19 1981-01-10 Canon Inc Developer composition
US4973540A (en) * 1988-08-31 1990-11-27 Minolta Camera Kabushiki Kaisha Developer for electrostatic latent image containing fine particle comprising positively and negatively chargeable polar group
US5429902A (en) * 1992-11-20 1995-07-04 Fuji Xerox Co., Ltd. Electrophotographic toner composition and image formation method using the same
US5660959A (en) * 1995-02-09 1997-08-26 Kao Corporation Toner for color electrophotography and fixing method using the same
US5821023A (en) * 1996-05-27 1998-10-13 Fuji Xerox Co., Ltd. Developer of electrostatic latent image, carrier therefor, method for forming image and image forming apparatus thereby
US6444389B1 (en) 2000-01-14 2002-09-03 Fuji Xerox Co., Ltd. Toner for developing electrostatic latent image, two-component developer and image-forming process
US8029961B2 (en) 2007-12-28 2011-10-04 Ricoh Company, Ltd. Toner for developing latent electrostatic image, method for producing the same and apparatus for producing the same, and developer, toner container, process cartridge, image forming method and image forming apparatus
US8034521B2 (en) 2007-12-28 2011-10-11 Ricoh Company, Ltd. Toner for developing electrostatic charge image, image forming method and image forming apparatus

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4963437A (en) * 1972-10-17 1974-06-19
JPS4963438A (en) * 1972-10-17 1974-06-19
US3879196A (en) * 1971-11-15 1975-04-22 Canon Kk Electrophotographic method for colored images
JPS5181623A (en) * 1975-01-16 1976-07-17 Ricoh Kk Denshishashinyo tonaa
JPS5199529A (en) * 1975-02-28 1976-09-02 Toyo Ink Mfg Co

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3879196A (en) * 1971-11-15 1975-04-22 Canon Kk Electrophotographic method for colored images
JPS4963437A (en) * 1972-10-17 1974-06-19
JPS4963438A (en) * 1972-10-17 1974-06-19
JPS5181623A (en) * 1975-01-16 1976-07-17 Ricoh Kk Denshishashinyo tonaa
JPS5199529A (en) * 1975-02-28 1976-09-02 Toyo Ink Mfg Co

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53128339A (en) * 1977-04-15 1978-11-09 Canon Inc Toner for electric latent image
JPS6325336B2 (en) * 1977-04-15 1988-05-25 Canon Kk
JPS6040018B2 (en) * 1977-08-08 1985-09-09 株式会社リコー Toner for electrophotographic developer
JPS5428630A (en) * 1977-08-08 1979-03-03 Ricoh Co Ltd Toner for electrophotographic developer
JPS5434243A (en) * 1977-08-22 1979-03-13 Canon Inc Developer for static image
JPS6040019B2 (en) * 1977-08-22 1985-09-09 キヤノン株式会社 Developer for electrostatic images
JPS561946A (en) * 1979-06-19 1981-01-10 Canon Inc Developer composition
JPS6034104B2 (en) * 1979-06-19 1985-08-07 キヤノン株式会社 developer composition
US4973540A (en) * 1988-08-31 1990-11-27 Minolta Camera Kabushiki Kaisha Developer for electrostatic latent image containing fine particle comprising positively and negatively chargeable polar group
US5429902A (en) * 1992-11-20 1995-07-04 Fuji Xerox Co., Ltd. Electrophotographic toner composition and image formation method using the same
US5660959A (en) * 1995-02-09 1997-08-26 Kao Corporation Toner for color electrophotography and fixing method using the same
US5821023A (en) * 1996-05-27 1998-10-13 Fuji Xerox Co., Ltd. Developer of electrostatic latent image, carrier therefor, method for forming image and image forming apparatus thereby
US6444389B1 (en) 2000-01-14 2002-09-03 Fuji Xerox Co., Ltd. Toner for developing electrostatic latent image, two-component developer and image-forming process
US8029961B2 (en) 2007-12-28 2011-10-04 Ricoh Company, Ltd. Toner for developing latent electrostatic image, method for producing the same and apparatus for producing the same, and developer, toner container, process cartridge, image forming method and image forming apparatus
US8034521B2 (en) 2007-12-28 2011-10-11 Ricoh Company, Ltd. Toner for developing electrostatic charge image, image forming method and image forming apparatus

Also Published As

Publication number Publication date
JPS5420344B2 (en) 1979-07-21

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