Granulated particles for magnetic particles for magnetic recordi

Details Granulated particles for magnetic particles for magnetic recordi Granulated particles for magnetic particles for magnetic recordi

1995-09-12

1996-07-02

Bonner, Melissa

Compositions

Magnetic

Iron-oxygen compound containing

252 6258, 252 6259, 252 6262, 423632, 75255, 148297, 148514, 148306, C01G 4902

Patent

active

055319220

ABSTRACT:
Disclosed herein are granulated particles for magnetic particles for magnetic recording, comprising: acicular ferric hydroxide oxide particles or acicular iron oxide particles; and at least one selected from the group consisting of semisynthetic starch and semisynthetic cellulose and having a bulk density of not less than 0.3 g/cm.sup.3 and a powdering ratio of not more than 40%, and a process for producing the granulated particles, and magnetic particles obtained from such granulated particles.

REFERENCES:
Derwent Abstract J55082408.
Derwent Abstract JP60080128 A 850508 DW8525.

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