Magnetic carrier powder having a wide chargeable range of electric resistance useful for magnetic brush development
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Nov 27, 1984
Grant Date -
N/A
app pub date -
Feb 8, 1983
filing date -
Feb 12, 1982
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A magnetic carrier powder composed essentially of particles of a ferrite having a composition represented by the formula (MO).sub.100-x (Fe.sub.2 O.sub.3).sub.x where M is Mg, Mn, Zn, Ni, a combination of Mg in an atomic ratio of at least 0.05 with at least one metal selected from the group consisting of Zn, Cu, Mn and Co, a combination of Mn in an atomic ratio of at least 0.05 with at least one metal selected from the group consisting of Zn, Cu, Mg and Co, or a combination of Ni in an atomic ratio of at least 0.05 with at least one metal selected from the group consisting of Zn, Mg, Mn, Cu and Co, and x is greater than 53 molar %.
First Claim
Family
International Classification(s)
Cited Art Landscape
Patent Citation Ranking
Advertisement
Advertisement
Advertisement
Recipient Email Address
Recipient Email Address
Comment
Recipient Email Address
Add to Portfolio(s)
To add this patent to one, or more, of your portfolios, simply click the add button.
This Patent is in these Portfolios:
Add to additional portfolios:
Last Refreshed On:
Changes done successfully