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Tightly agglomerated non-oxide particles and method for producing the same

  • US 7,442,227 B2
  • Filed: 10/09/2001
  • Issued: 10/28/2008
  • Est. Priority Date: 10/09/2001
  • Status: Expired due to Term
First Claim
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1. A non-oxide powder of which at least about 40% by mass is comprised of a plurality of tightly agglomerated compositions, each of said tightly agglomerated compositions comprising a plurality of primary particles tightly agglomerated together, wherein said primary particles have an average size in a range of about 1 nanometer to about 500 nanometers, wherein for each tightly agglomerated composition, at least about 60% of its constituent primary particles are within 2.25 dN1/3 nanometers of at least about 60% of its other constituent primary particles, wherein N represents the number of primary particles in the tightly agglomerated composition, and wherein d represents the average size of the primary particles in the tightly agglomerated composition.

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