Patents by Inventor Mariela Gauto

Mariela Gauto 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).

  • AQUEOUS SOLUTIONS OF OPTICAL BRIGHTENERS
    Publication number: 20140374042
    Abstract: The instant invention relates to storage stable aqueous solutions of stilbene optical brighteners with polyvinyl alcohols which can be directly used by the papermaker in that they may be diluted with water and/or be metered directly into a coating composition, to provide coated papers of a particularly high whiteness.
    Type: Application
    Filed: August 19, 2014
    Publication date: December 25, 2014
    Inventors: ANDREW CLIVE JACKSON, ALEC STEWART TINDAL, MARIELA GAUTO
  • Aqueous solutions of optical brighteners
    Patent number: 8859679
    Abstract: The instant invention relates to storage stable aqueous solutions of stilbene optical brighteners with polyvinyl alcohols which can be directly used by the papermaker in that they may be diluted with water and/or be metered directly into a coating composition, to provide coated papers of a particularly high whiteness.
    Type: Grant
    Filed: April 5, 2006
    Date of Patent: October 14, 2014
    Assignee: Clariant Finance (BVI) Limited
    Inventors: Andrew Clive Jackson, Alec Stewart Tindal, Mariela Gauto
  • Aqueous Solutions of Optical Brighteners
    Publication number: 20100181536
    Abstract: The instant invention relates to storage stable aqueous optical brightener/PVOH solutions of low viscosity which may be used directly by the papermaker, in that they can be metered by pump directly into a coating composition, and which provide coated papers of a surprisingly high whiteness
    Type: Application
    Filed: July 31, 2007
    Publication date: July 22, 2010
    Applicant: Clariant Finance (BVI) Limited
    Inventors: Mariela Gauto, Andrew Clive Jackson, Alec Stewart Tindal
  • Aqueous Solutions Of Optical Brighteners
    Publication number: 20100175845
    Abstract: The instant invention relates to storage stable aqueous optical brightener/PVOH solutions of low viscosity which may be used directly by the papermaker, in that they can be metered by pump directly into a coating composition, and which provide coated papers of a surprisingly high whiteness
    Type: Application
    Filed: July 24, 2007
    Publication date: July 15, 2010
    Applicant: Clariant Finance (BVI) Limited
    Inventors: Mariela Gauto, Andrew Clive Jackson, Alec Stewart Tindal
  • Aqueous Solutions of Optical Brighteners
    Publication number: 20090081475
    Abstract: The instant invention relates to storage stable aqueous solutions of stilbene optical brighteners with polyvinyl alcohols which can be directly used by the papermaker in that they may be diluted with water and/or be metered directly into a coating composition, to provide coated papers of a particularly high whiteness.
    Type: Application
    Filed: April 5, 2006
    Publication date: March 26, 2009
    Inventors: Andrew Clive Jackson, Alec Stewart Tindal, Mariela Gauto