Patents Assigned to David A. Rawlins
  • Patent number: 4719228
    Abstract: A pharmaceutical composition comprising a freely flowable powder, the powder comprising a porous, high absorption silica or silicate having absorbed therein at least 10% by volume of a liquid, pharmaceutically active composition, based on the weight of powder plus liquid, provided that when the liquid pharmaceutically active composition is a corticoid solution the silica or silicate has a mean particle size of at least 10 .mu.m in diameter.
    Type: Grant
    Filed: May 21, 1985
    Date of Patent: January 12, 1988
    Assignee: David A. Rawlins
    Inventor: David A. Rawlins