INERT POLYMERIC BEADS FOR USE

Brand Owner Address Description
FREE DERM ADVANCED POLYMER SYSTEMS, INC. 123 Saginaw Drive Redwood City CA 94063 INERT POLYMERIC BEADS FOR USE IN THE MANUFACTURE OF SKIN PREPARATIONS;DERM;
 

Where the owner name is not linked, that owner no longer owns the brand

    
Technical Examples
  1. A method for making hollow spheres of alumina or aluminate comprises: coating polymeric beads with an aqueous solution of an alumoxane, drying the beads so as to form an alumoxane coating on the beads; heating the beads to a first temperature that is sufficient to convert the alumoxane coating to an amorphous alumina or aluminate coating and is not sufficient to decompose the polymeric beads; dissolving the polymeric bead in a solvent; removing the dissolved polymer from the amorphous alumina or aluminate coating; and heating the amorphous alumina or aluminate coating to a second temperature that is sufficient to form a hollow ceramic sphere of desired porosity and strength. The hollow spheres can be used as proppants or can be incorporated in porous membranes.