Patents Assigned to Groupe Lysac Inc./Lysac Group Inc.
  • Crosslinked polysaccharide, obtained by crosslinking with substituted polyethylene glycol, as superabsorbant
    Publication number: 20030027787
    Abstract: New crosslinked polysaccharides useful as absorbents or superabsorbents alone or in a mixture are obtained by reacting polysaccharides (preferably containing carboxylates groups) with at least one crosslinker selected in the group constituted by activated polyethylene glycols such as for example halogenated (Cl, Br, I), mesylated, tosylated, or triflated activated polyethylene glycols.
    Type: Application
    Filed: November 9, 2001
    Publication date: February 6, 2003
    Applicant: GROUP LYSAC INC./LYSAC GROUP INC.
    Inventors: Claude Couture, David Bergeron, Frederic Picard
  • Glass-like polysaccharide useful as absorbent for liquids
    Publication number: 20020156048
    Abstract: A particulate absorbent, for the absorption of liquids, comprising particles selected from the group consisting of particles of glass-like polysaccharides and of particles of glass-like polysaccharides occluding, in their internal structure, at least one surfactant, said particles:
    Type: Application
    Filed: April 3, 2002
    Publication date: October 24, 2002
    Applicant: Groupe Lysac Inc./Lysac Group Inc.
    Inventors: Serge Huppe, Marie-Elise Maheux, Stephane Chevigny, Francois Quirion