Specialized metallurgical processes – compositions for use therei – Compositions – Loose particulate mixture containing metal particles
Reexamination Certificate
2001-10-09
2008-10-28
King, Roy (Department: 1793)
Specialized metallurgical processes, compositions for use therei
Compositions
Loose particulate mixture containing metal particles
C977S775000, C977S776000, C977S777000
Reexamination Certificate
active
07442227
ABSTRACT:
A non-oxide powder of which at least about 40% by mass is comprised of a plurality of tightly agglomerated compositions, each of the tightly agglomerated compositions comprising a plurality of primary particles agglomerated together. Suitable materials for the primary particles include metals, intermetallics, ceramics, MMCs, and non-metals. An encapsulation and scavenging process is used to create the agglomerated compositions wherein at least some of the agglomerated compositions are encapsulated in a secondary material such as a salt or a polymer.
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Axelbaum Richard L.
DuFaux Douglas P.
Rosen Lee J.
Sun Zhen
King Roy
Mai Ngoclan T
Washington Unniversity
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