Patents by Inventor Bernard Pointud

Bernard Pointud 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).

  • Patent number: 4551382
    Abstract: The invention provides a process for sizing warps of textile yarns. More particularly, the process involves use of compositions comprising, 40 to 90% by weight of a polyesterurethane and 10 to 60% by weight of an acrylic and/or vinyl polymer especially suitable for sizing polyester yarns such as polyethylene terephthalate.
    Type: Grant
    Filed: January 25, 1985
    Date of Patent: November 5, 1985
    Assignee: Rhone-Poulenc Specialites Chimiques
    Inventors: Pierre Gagne, Yvette Girardeau, Bernard Pointud
  • Patent number: 4539366
    Abstract: The invention provides a sizing composition based on water-soluble polymers, intended for sizing warps of textile yarns and a process for obtaining such compositions and for the sizing of textile yarns. More particularly, provided are compositions comprising, 40 to 90% by weight of a polyester-urethane and 10 to 60% by weight of an acrylic and/or vinyl polymer especially suitable for sizing polyester yarns such as polyethylene terephthalate.
    Type: Grant
    Filed: February 22, 1984
    Date of Patent: September 3, 1985
    Assignee: Rhone-Poulenc Specialites Chimiques
    Inventors: Pierre Gagne, Yvette Girardeau, Bernard Pointud