Solid material comminution or disintegration – Processes – Miscellaneous
Reexamination Certificate
2005-02-07
2009-02-10
Francis, Faye (Department: 3725)
Solid material comminution or disintegration
Processes
Miscellaneous
C241S184000
Reexamination Certificate
active
07487928
ABSTRACT:
The present invention relates to grinding balls made of fritted ceramic comprising a compound of alumina silicate (αAl2O3.βSiO2) and in particular mullite (3Al2O3.2SiO2), zirconia (ZrO2) and alumina (Al2O3).
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Boulanger Louis
Desiles Stéphane
Francis Faye
Magotteaux International S.A.
Reinhart Boerner Van Deuren P.C.
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