JPS6139994B2 - - Google Patents

Info

Publication number
JPS6139994B2
JPS6139994B2 JP13758379A JP13758379A JPS6139994B2 JP S6139994 B2 JPS6139994 B2 JP S6139994B2 JP 13758379 A JP13758379 A JP 13758379A JP 13758379 A JP13758379 A JP 13758379A JP S6139994 B2 JPS6139994 B2 JP S6139994B2
Authority
JP
Japan
Prior art keywords
surface treatment
glycol
magnetic ink
ferromagnetic powder
alcohol
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.)
Expired
Application number
JP13758379A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5661465A (en
Inventor
Takeo Shimizu
Sadanobu Kawasaki
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.)
Dai Nippon Printing Co Ltd
Original Assignee
Dai Nippon Printing 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 Dai Nippon Printing Co Ltd filed Critical Dai Nippon Printing Co Ltd
Priority to JP13758379A priority Critical patent/JPS5661465A/ja
Publication of JPS5661465A publication Critical patent/JPS5661465A/ja
Publication of JPS6139994B2 publication Critical patent/JPS6139994B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Inks, Pencil-Leads, Or Crayons (AREA)
JP13758379A 1979-10-26 1979-10-26 Surface treatment of ferromagnetic powder for magnetic ink Granted JPS5661465A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13758379A JPS5661465A (en) 1979-10-26 1979-10-26 Surface treatment of ferromagnetic powder for magnetic ink

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13758379A JPS5661465A (en) 1979-10-26 1979-10-26 Surface treatment of ferromagnetic powder for magnetic ink

Publications (2)

Publication Number Publication Date
JPS5661465A JPS5661465A (en) 1981-05-26
JPS6139994B2 true JPS6139994B2 (en, 2012) 1986-09-06

Family

ID=15202100

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13758379A Granted JPS5661465A (en) 1979-10-26 1979-10-26 Surface treatment of ferromagnetic powder for magnetic ink

Country Status (1)

Country Link
JP (1) JPS5661465A (en, 2012)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4604222A (en) * 1985-05-21 1986-08-05 Ferrofluidics Corporation Stable ferrofluid composition and method of making and using same

Also Published As

Publication number Publication date
JPS5661465A (en) 1981-05-26

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