JPS5437297A - Method of making acicular magnetic iron oxide particulates for magnetic recording material - Google Patents

Method of making acicular magnetic iron oxide particulates for magnetic recording material

Info

Publication number
JPS5437297A
JPS5437297A JP10409577A JP10409577A JPS5437297A JP S5437297 A JPS5437297 A JP S5437297A JP 10409577 A JP10409577 A JP 10409577A JP 10409577 A JP10409577 A JP 10409577A JP S5437297 A JPS5437297 A JP S5437297A
Authority
JP
Japan
Prior art keywords
recording material
iron oxide
oxide particulates
magnetic recording
magnetic iron
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
JP10409577A
Other languages
Japanese (ja)
Other versions
JPS5854487B2 (en
Inventor
Kouji Toda
Nanao Horiishi
Hiroyuki Kondou
Atsushi Takedoi
Kazushi Takama
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.)
Toda Kogyo Corp
Original Assignee
Toda Kogyo 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 Toda Kogyo Corp filed Critical Toda Kogyo Corp
Priority to JP52104095A priority Critical patent/JPS5854487B2/en
Publication of JPS5437297A publication Critical patent/JPS5437297A/en
Publication of JPS5854487B2 publication Critical patent/JPS5854487B2/en
Expired legal-status Critical Current

Links

JP52104095A 1977-08-29 1977-08-29 Method for producing acicular magnetic iron oxide particle powder for magnetic recording materials Expired JPS5854487B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP52104095A JPS5854487B2 (en) 1977-08-29 1977-08-29 Method for producing acicular magnetic iron oxide particle powder for magnetic recording materials

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP52104095A JPS5854487B2 (en) 1977-08-29 1977-08-29 Method for producing acicular magnetic iron oxide particle powder for magnetic recording materials

Publications (2)

Publication Number Publication Date
JPS5437297A true JPS5437297A (en) 1979-03-19
JPS5854487B2 JPS5854487B2 (en) 1983-12-05

Family

ID=14371549

Family Applications (1)

Application Number Title Priority Date Filing Date
JP52104095A Expired JPS5854487B2 (en) 1977-08-29 1977-08-29 Method for producing acicular magnetic iron oxide particle powder for magnetic recording materials

Country Status (1)

Country Link
JP (1) JPS5854487B2 (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3312243A1 (en) * 1982-09-16 1984-03-22 Ishihara Sangyo Kaisha, Ltd., Osaka METHOD FOR PRODUCING A MAGNETIC POWDER
JPS6069822A (en) * 1983-08-19 1985-04-20 Toshiba Corp Magnetic recording medium
US4560544A (en) * 1981-11-27 1985-12-24 Ishihara Sangyo Kaisha, Ltd. Process for the preparation of acicular α-FeOOH for magnetic recording materials
DE3702161A1 (en) * 1986-01-30 1987-08-06 Ishihara Mining & Chemical Co COBAL-CONTAINING FERROMAGNETIC POWDERED IRON OXIDE AND METHOD FOR THE PRODUCTION THEREOF
JPH0568446U (en) * 1992-02-26 1993-09-17 ショウ ニォウ チィ Rice scoop for resin processing pot

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6018182U (en) * 1983-07-11 1985-02-07 住建コンクリ−ト工業株式会社 Two-piece box culvert

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5057996A (en) * 1973-09-21 1975-05-20

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5057996A (en) * 1973-09-21 1975-05-20

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4560544A (en) * 1981-11-27 1985-12-24 Ishihara Sangyo Kaisha, Ltd. Process for the preparation of acicular α-FeOOH for magnetic recording materials
DE3312243A1 (en) * 1982-09-16 1984-03-22 Ishihara Sangyo Kaisha, Ltd., Osaka METHOD FOR PRODUCING A MAGNETIC POWDER
JPS6069822A (en) * 1983-08-19 1985-04-20 Toshiba Corp Magnetic recording medium
JPS6255208B2 (en) * 1983-08-19 1987-11-18 Tokyo Shibaura Electric Co
DE3702161A1 (en) * 1986-01-30 1987-08-06 Ishihara Mining & Chemical Co COBAL-CONTAINING FERROMAGNETIC POWDERED IRON OXIDE AND METHOD FOR THE PRODUCTION THEREOF
DE3702161C2 (en) * 1986-01-30 1998-08-27 Ishihara Sangyo Kaisha Ferromagnetic iron oxide powder containing cobalt and process for its preparation
JPH0568446U (en) * 1992-02-26 1993-09-17 ショウ ニォウ チィ Rice scoop for resin processing pot

Also Published As

Publication number Publication date
JPS5854487B2 (en) 1983-12-05

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