Patents by Inventor Serge Huppé

Serge Huppé 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).

  • Glass-like polysaccharide useful as absorbent for liquids
    Patent number: 6713460
    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: having a size of up to 620 &mgr;m; being at least 70% of a glass-like type structure; and being: 30 to 45% of a size comprised between 620 and 420 &mgr;m; 35 to 55% of a size comprised between 420 and 210 &mgr;m; and 5 to 25% of a size up to 210 &mgr;m. These particulate absorbent is non-hygroscopic, hypoallergenic and biodegradable and useful particularly in biodegradable diapers.
    Type: Grant
    Filed: April 3, 2002
    Date of Patent: March 30, 2004
    Assignee: Groupe Lysac Inc.
    Inventors: Serge Huppé, Marie-Elise Maheux, Stéphane Chevigny, Francois Quirion
  • 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
  • Glass-like polysaccharide useful as absorbent for liquids
    Patent number: 6444653
    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: having a size of up to 620 &mgr;m; being at least 70% of a glass-like type structure; and being: 30 to 45% of a size comprised between 620 and 420 &mgr;m; 35 to 55% of a size comprised between 420 and 210 &mgr;m; and 5 to 25% of a size up to 210 &mgr;m. These particulate absorbent is non-hygroscopic, hypoallergenic and biodegradable and useful particularly in biodegradable diapers.
    Type: Grant
    Filed: May 11, 2000
    Date of Patent: September 3, 2002
    Assignee: Groupe Lysac Inc.
    Inventors: Serge Huppé, Marie-Elise Maheux, Stéphane Chevigny, François Quirion