Patents by Inventor Serge Gruetter

Serge Gruetter 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).

  • Formulations of fluorescent whitening agents in dispersed form
    Patent number: 8679199
    Abstract: The present invention relates to an aqueous dispersion containing (a) a fluorescent whitening agent, (b) a dispersing agent, (c) a ?-1,3-glucan and, optionally, (d) a vat dye and the use of the aqueous dispersions for whitening synthetic fibers, in particular polyester and polyacrylonitrile.
    Type: Grant
    Filed: January 4, 2012
    Date of Patent: March 25, 2014
    Assignee: Hunstman International LLC
    Inventors: Serge Gruetter, Jean-Jacques Donze, Serge Schroeder, Andrea Frey
  • Formulations of Fluorescent Whitening Agents in Dispersed Form
    Publication number: 20130283547
    Abstract: The present invention relates to an aqueous dispersion containing (a) a fluorescent whitening agent, (b) a dispersing agent, (c) a ?-1,3-glucan and, optionally, (d) a vat dye and the use of the aqueous dispersions for whitening synthetic fibres, in particular polyester and polyacrylonitrile.
    Type: Application
    Filed: January 4, 2012
    Publication date: October 31, 2013
    Applicant: HUNTSMAN INTERNATIONAL LLC
    Inventors: Serge Gruetter, Jean-Jacques Donze, Serge Schroeder, Andrea Frey