JPS5245931A - Negative toner for electronic photography - Google Patents

Negative toner for electronic photography

Info

Publication number
JPS5245931A
JPS5245931A JP50122146A JP12214675A JPS5245931A JP S5245931 A JPS5245931 A JP S5245931A JP 50122146 A JP50122146 A JP 50122146A JP 12214675 A JP12214675 A JP 12214675A JP S5245931 A JPS5245931 A JP S5245931A
Authority
JP
Japan
Prior art keywords
negative toner
electronic photography
negative
toner
cderivative
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
JP50122146A
Other languages
Japanese (ja)
Other versions
JPS543372B2 (en
Inventor
Arata Hashimoto
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.)
Sakata Shokai Ltd
Original Assignee
Sakata Shokai 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 Sakata Shokai Ltd filed Critical Sakata Shokai Ltd
Priority to JP50122146A priority Critical patent/JPS5245931A/en
Publication of JPS5245931A publication Critical patent/JPS5245931A/en
Publication of JPS543372B2 publication Critical patent/JPS543372B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Developing Agents For Electrophotography (AREA)

Abstract

PURPOSE: To provide a negative toner which containes a dye of sulfonyl amine cderivative of specified copper phthalocyanine so that it can have stable negative characteristics, high Dmax and ϒ values and less smudge and fog and that it can obtain stable images even after it is used for a long time.
COPYRIGHT: (C)1977,JPO&Japio
JP50122146A 1975-10-09 1975-10-09 Negative toner for electronic photography Granted JPS5245931A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP50122146A JPS5245931A (en) 1975-10-09 1975-10-09 Negative toner for electronic photography

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50122146A JPS5245931A (en) 1975-10-09 1975-10-09 Negative toner for electronic photography

Publications (2)

Publication Number Publication Date
JPS5245931A true JPS5245931A (en) 1977-04-12
JPS543372B2 JPS543372B2 (en) 1979-02-22

Family

ID=14828735

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50122146A Granted JPS5245931A (en) 1975-10-09 1975-10-09 Negative toner for electronic photography

Country Status (1)

Country Link
JP (1) JPS5245931A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5637760U (en) * 1979-08-31 1981-04-10
US4518672A (en) * 1982-05-21 1985-05-21 Canon Kabushiki Kaisha Cyan color toner for developing electrostatic image
US4539284A (en) * 1984-04-16 1985-09-03 Xerox Corporation Developer compositions with infrared absorbing additives
JPH04186365A (en) * 1990-11-21 1992-07-03 Toyo Ink Mfg Co Ltd Toner for electrostatic developing

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5595212A (en) * 1979-01-11 1980-07-19 Omron Tateisi Electronics Co Method of fabricating switch unit
JPS5871922U (en) * 1981-11-10 1983-05-16 ミツミ電機株式会社 switch
JPS6193909A (en) * 1984-10-15 1986-05-12 Sankusu Kk Synchronous rectifire circuit for differential transformer
JPS6193521A (en) * 1984-10-15 1986-05-12 株式会社フジクラ Membrane keyboard

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5637760U (en) * 1979-08-31 1981-04-10
US4518672A (en) * 1982-05-21 1985-05-21 Canon Kabushiki Kaisha Cyan color toner for developing electrostatic image
US4539284A (en) * 1984-04-16 1985-09-03 Xerox Corporation Developer compositions with infrared absorbing additives
JPH04186365A (en) * 1990-11-21 1992-07-03 Toyo Ink Mfg Co Ltd Toner for electrostatic developing

Also Published As

Publication number Publication date
JPS543372B2 (en) 1979-02-22

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