Patents by Inventor Stephane Dassin

Stephane Dassin 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).

  • Method for producing a thermosetting polyurethane from a thermoplastic polyurethane and thermoset polyurethane obtainable using said method
    Patent number: 6861491
    Abstract: A method for producing thermosetting polyurethane after transformation from thermoplastic polyurethane with a hydrolyzable organo-silane which is grafted onto macromolecules of said thermoplastic polyurethane by means of a bonding agent. Said organo-silane has general formula (I), wherein R1,R2,R3=aliphatic alkyl, aromatic alkyl; n>1; R4 is an organic radical which can react with said bonding agent which comprises at least two isocyanate functions and the thermoplastic polyurethane obtained can, after transformation, become automatically cross-linked by coming into contact with water molecules in order to become thermosetting. The invention also relates to a product which can be obtained according to the inventive method.
    Type: Grant
    Filed: December 10, 2001
    Date of Patent: March 1, 2005
    Assignee: Noveon IP Holdings Corp.
    Inventors: Didier Lagneaux, Stephane Dassin, Michel Dumon, Francoise Mechin, Jean-Pierre Pascault
  • Method for producing a thermosetting polyurethane from a thermoplastic polyurethane and thermoset polyurethane obtainable using said method
    Publication number: 20020169255
    Abstract: A method for producing thermosetting polyurethane 1
    Type: Application
    Filed: December 10, 2001
    Publication date: November 14, 2002
    Applicant: Gemoplast(Societe Anonyme)
    Inventors: Didier Lagneaux, Stephane Dassin, Michel Dumon, Francoise Mechin, Jean-Pierre Pascault