Process for Preparing Composite Particles, Composite Particles Obtained, and Their Use in a Diagnostic Test
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United States of America Patent
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Issued Date -
Apr 16, 2009
app pub date -
Dec 14, 2006
filing date -
Dec 15, 2005
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Abandoned
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Abstract
The invention relates to a process for preparing composite particles by encapsulation of an organic-phase-depleted emulsion by polymerization, said emulsion consisting of droplets of inorganic emulsion comprising an organic phase and inorganic nanoparticles distributed in said organic phase, characterized in that the polymerization is carried out using, as the polymerization monomer, from 60% to 100% of at least one crosslinking agent and from 0% to 40% of at least one hydrophobic monomer, it being understood that at least 95% of the crosslinking agent(s) are hydrophobic. The invention further relates to the particles thus obtained, and their use in diagnostics.
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