Porous Polymer Particles and Method for Preparation Thereof
Patent #: 6,726,991
Inventor(s): Jeanne Kaeding and Dennis Smith
Company: Eastman Kodak Company
Recently issued a patent are core/shell particles with a core of a porous polymer and a shell of an inorganic colloid. The inorganic colloid has a median diameter of less than about 0.07 mm, and the core/shell particles have a median diameter of less than about 50 mm.
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