Patents by Inventor Claude Couture

Claude Couture has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Starch networks as absorbent or superabsorbent materials and their preparation by extrusion
    Patent number: 8710212
    Abstract: The present invention relates an absorbent material consisting of a molecular network of starch molecules, the starch molecules comprising an amylopectin content of at least 90% (w/w). The molecular network can either be comprised of self-entangled starches or cross-linked starches.
    Type: Grant
    Filed: March 26, 2004
    Date of Patent: April 29, 2014
    Assignee: Archer Daniels Midland Company
    Inventors: Claude Thibodeau, David Bergeron, Isabelle Bolduc, Claude Couture, Nicolas Nourry
  • Crosslinked polysaccharide, obtained by crosslinking with substituted polyethylene glycol, as superabsorbent
    Patent number: 7365190
    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: Grant
    Filed: November 9, 2001
    Date of Patent: April 29, 2008
    Assignee: Archer-Daniels-Midland Company
    Inventors: Claude Couture, David Bergeron, Frédéric Picard
  • Starch network as absorbent or superabsorbent materials and their preparation by extrusion
    Publication number: 20070179291
    Abstract: The present invention relates an absorbent material consisting of a molecular network of starch molecules, the starch molecules comprising an amylopectin content of at least 90% (w/w). The molecular network can either be comprised of self-entangled starches or cross-linked starches.
    Type: Application
    Filed: March 26, 2004
    Publication date: August 2, 2007
    Applicant: LE GROUPE LYSAC, INC.
    Inventors: Claude Thibodeau, David Bergern, Isabelle Bolduc, Claude Couture, Nicolas Nourry
  • 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