Patents by Inventor Montserrat Fernandez Balsells

Montserrat Fernandez Balsells 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).

  • Glycol based pigment preparation for mass dyeing of polyacrylonitrile fibers
    Patent number: 7905929
    Abstract: The invention relates to a process for mass dyeing of polyacrylonitrile, wherein there is incorporated into a solution of acrylonitrile polymer or copolymer a pigment preparation which comprises 10 to 60% by weight of a pigment, 15 to 85% by weight of a glycol-based solvent, 5 to 25% by weight of a surfactant, and 0 to 10% by weight of customary additives, the percentages being based on the total weight of the pigment preparation.
    Type: Grant
    Filed: October 9, 2008
    Date of Patent: March 15, 2011
    Assignee: Clariant Finance (BVI) Limited
    Inventors: Rosa Maria Montoliu Gombau, Montserrat Fernández Balsells
  • Glycol based pigmetnt preparation for mass dyeing of polyacrylonitrile fibers
    Publication number: 20090094764
    Abstract: The invention relates to a process for mass dyeing of polyacrylonitrile, wherein there is incorporated into a solution of acrylonitrile polymer or copolymer a pigment preparation which comprises 10 to 60% by weight of a pigment, 15 to 85% by weight of a glycol-based solvent, 5 to 25% by weight of a surfactant, and 0 to 10% by weight of customary additives, the percentages being based on the total weight of the pigment preparation.
    Type: Application
    Filed: October 9, 2008
    Publication date: April 16, 2009
    Inventors: Rosa Maria Montoliu Gombau, Montserrat Fernandez Balsells