Patents by Inventor Marc Bourguignon

Marc Bourguignon 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).

  • Graft prestabilizing and stabilizing copolymers and their preparation, process for obtaining dispersions of polymers/polyols and process for obtaining polyurethane foams
    Patent number: 5081180
    Abstract: Prestabilizing copolymers comprising the product of the in situ reaction of a mixture of ethylenically unsatured monomers containing at least one mono-unsaturated monomer containing no groups which can be alkoxylated and one unsaturated monomer containing a group which can be alkoxylated, a prepolyol of low molecular weight and a polymerization catalyst as well as an alkoxylating agent for the abovementioned reaction product chosen from the group comprising ethylene oxide, propylene oxide and their mixtures, process for obtaining dispersions of polymers/polyols and process for obtaining polyurethane foams.
    Type: Grant
    Filed: November 17, 1989
    Date of Patent: January 14, 1992
    Inventors: Marc Bourguignon, Etienne Goethals, Jean-Paul Masy, Robert Jerome, Philippe Teyssie
  • Statue
    Patent number: D483291
    Type: Grant
    Filed: May 9, 2002
    Date of Patent: December 9, 2003
    Assignee: Evrard SCRL
    Inventor: Marc Bourguignon