Preparation of finely divided acicular hexagonal ferrites having

Chemistry of inorganic compounds – Oxygen or compound thereof – Metal containing

Patent

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

423632, 423636, C01G 4900

Patent

active

046751700

ABSTRACT:
A process for the preparation of finely divided acicular hexagonal ferrites which have a high coercive force and are of the general formula MFe.sub.12 O.sub.19, where M is barium or strontium, and their use for the production of magnetic recording media and plastoferrites.

REFERENCES:
patent: 3082067 (1963-03-01), Hund
patent: 3093589 (1963-06-01), Downs
patent: 3382174 (1968-05-01), Hund
patent: 3582266 (1971-06-01), Sopp et al.
patent: 3723587 (1973-03-01), Iwase
patent: 3793443 (1974-02-01), Arendt
patent: 3903228 (1975-09-01), Riedl et al.
patent: 3904540 (1975-09-01), Bennetch et al.
patent: 4042516 (1977-08-01), Matsumoto et al.
patent: 4116752 (1978-09-01), Matsumoto et al.
patent: 4176172 (1979-11-01), Bennetch et al.
patent: 4189521 (1980-02-01), Glass et al.
patent: 4401643 (1983-08-01), Hibst et al.
patent: 4411807 (1983-10-01), Watanabe et al.
patent: 4512906 (1985-04-01), Hayakawa et al.
patent: 4539129 (1985-09-01), Nagai et al.
patent: 4582623 (1986-04-01), Kubo et al.
R. Takada et al: Proc. Intern. Conf. on Ferrites, Jul. 1970, Japan, pp. 275-278.
L. Girada et al: Journal de Physique, Suppl. 4.38, 1977, p. C1-325.

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

Preparation of finely divided acicular hexagonal ferrites having does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Preparation of finely divided acicular hexagonal ferrites having, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Preparation of finely divided acicular hexagonal ferrites having will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-720180

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.