Polymers used as controlled release and delivery vehicles for ingredients in the manufacture of abrasives, exfoliates, cosmetics, toiletries and other consumer products

implantable biological material comprising live, secretory cells, such as islets, encapsulated in permeable beads containing polymeric material

spherical glass beads for abrasive grinding purposes

spherical glass beads for use in filtering of fluids and plastics, and spherical glass beads for use in the manufacture of reflective paints used in road making