JPS5569150A - Production of magnetite powder for electrophotographic magnetic toner - Google Patents

Production of magnetite powder for electrophotographic magnetic toner

Info

Publication number
JPS5569150A
JPS5569150A JP14225778A JP14225778A JPS5569150A JP S5569150 A JPS5569150 A JP S5569150A JP 14225778 A JP14225778 A JP 14225778A JP 14225778 A JP14225778 A JP 14225778A JP S5569150 A JPS5569150 A JP S5569150A
Authority
JP
Japan
Prior art keywords
firing
cooling
powder
less
resins
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
JP14225778A
Other languages
English (en)
Other versions
JPS6346412B2 (ja
Inventor
Kenji Imamura
Yoshinori Kurosawa
Motohiko Makino
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.)
TDK Corp
Original Assignee
TDK 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 TDK Corp filed Critical TDK Corp
Priority to JP14225778A priority Critical patent/JPS5569150A/ja
Publication of JPS5569150A publication Critical patent/JPS5569150A/ja
Publication of JPS6346412B2 publication Critical patent/JPS6346412B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Developing Agents For Electrophotography (AREA)
  • Compounds Of Iron (AREA)
  • Hard Magnetic Materials (AREA)
JP14225778A 1978-11-20 1978-11-20 Production of magnetite powder for electrophotographic magnetic toner Granted JPS5569150A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14225778A JPS5569150A (en) 1978-11-20 1978-11-20 Production of magnetite powder for electrophotographic magnetic toner

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14225778A JPS5569150A (en) 1978-11-20 1978-11-20 Production of magnetite powder for electrophotographic magnetic toner

Publications (2)

Publication Number Publication Date
JPS5569150A true JPS5569150A (en) 1980-05-24
JPS6346412B2 JPS6346412B2 (ja) 1988-09-14

Family

ID=15311109

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14225778A Granted JPS5569150A (en) 1978-11-20 1978-11-20 Production of magnetite powder for electrophotographic magnetic toner

Country Status (1)

Country Link
JP (1) JPS5569150A (ja)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS581156A (ja) * 1981-06-26 1983-01-06 Mita Ind Co Ltd 磁性現像剤の製造方法
JPS58166358A (ja) * 1982-03-26 1983-10-01 Mita Ind Co Ltd 湿度依存性の改良された磁性トナ−
JPS5964852A (ja) * 1982-10-06 1984-04-12 Tomoegawa Paper Co Ltd 磁性トナ−
JPS59121122A (ja) * 1982-12-25 1984-07-13 Toda Kogyo Corp 高保磁力粒状マグネタイト粒子粉末及びその製造法
JPS59226353A (ja) * 1983-06-07 1984-12-19 Tomoegawa Paper Co Ltd 磁性カラ−トナ−

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3215572A (en) * 1963-10-09 1965-11-02 Papell Solomon Stephen Low viscosity magnetic fluid obtained by the colloidal suspension of magnetic particles
JPS5196330A (ja) * 1975-02-21 1976-08-24

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3215572A (en) * 1963-10-09 1965-11-02 Papell Solomon Stephen Low viscosity magnetic fluid obtained by the colloidal suspension of magnetic particles
JPS5196330A (ja) * 1975-02-21 1976-08-24

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS581156A (ja) * 1981-06-26 1983-01-06 Mita Ind Co Ltd 磁性現像剤の製造方法
JPH0381145B2 (ja) * 1981-06-26 1991-12-27 Mita Industrial Co Ltd
JPS58166358A (ja) * 1982-03-26 1983-10-01 Mita Ind Co Ltd 湿度依存性の改良された磁性トナ−
JPS5964852A (ja) * 1982-10-06 1984-04-12 Tomoegawa Paper Co Ltd 磁性トナ−
JPS59121122A (ja) * 1982-12-25 1984-07-13 Toda Kogyo Corp 高保磁力粒状マグネタイト粒子粉末及びその製造法
JPS6131057B2 (ja) * 1982-12-25 1986-07-17 Toda Kogyo Corp
JPS59226353A (ja) * 1983-06-07 1984-12-19 Tomoegawa Paper Co Ltd 磁性カラ−トナ−

Also Published As

Publication number Publication date
JPS6346412B2 (ja) 1988-09-14

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