Patents Examined by Evertt White
  • Mixed polysaccharide precipitating agents and insulating articles shaped therefrom
    Patent number: 5350524
    Abstract: Mixed polysaccharide compositions, well adopted for flocculating/precipitating solid particulates from liquid dispersions thereof and for the shaping of insulating articles therefrom, comprise (i) at least one succinoglycan polysaccharide, the basic recurring structural unit of which comprising glucose, galactose and succinyl moieties, and (ii) at least one natural polysaccharide or derivative thereof.
    Type: Grant
    Filed: July 30, 1991
    Date of Patent: September 27, 1994
    Assignee: Rhone-Poulenc Chimie
    Inventors: Marie-Madeleine Besnard, Claire David, Magali Knipper