Patents by Inventor Silvia Hub-Schmid

Silvia Hub-Schmid 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: 8889068
    Abstract: The invention concerns a process for disinfection and/or conservation and/or reduction and/or control of microbial contamination of aqueous dispersions and/or aqueous suspensions of mineral matter, providing satisfactory stability in terms of Brookfield™ viscosity for the said aqueous dispersions and/or suspensions of mineral matter. It also concerns the said aqueous dispersions and/or suspensions thus obtained, together with their uses in the mineral, paper and paint industries. Finally it concerns the end products obtained.
    Type: Grant
    Filed: January 20, 2006
    Date of Patent: November 18, 2014
    Assignee: Omya International AG
    Inventors: Matthias Buri, Patrick Schwarzentruber, Silvia Hub-Schmid
  • Patent number: 8877127
    Abstract: The invention concerns a process for disinfection and/or conservation and/or reduction and/or control of microbial contamination of aqueous dispersions and/or aqueous suspensions of mineral matter, providing satisfactory stability in terms of Brookfield™ viscosity for the said aqueous dispersions and/or suspensions of mineral matter. It also concerns the said aqueous dispersions and/or suspensions thus obtained, together with their uses in the mineral, paper and paint industries. Finally it concerns the end products obtained.
    Type: Grant
    Filed: August 28, 2013
    Date of Patent: November 4, 2014
    Assignee: Omya International AG
    Inventors: Matthias Buri, Patrick Schwarzentruber, Silvia Hub-Schmid
  • Publication number: 20140000486
    Abstract: The invention concerns a process for disinfection and/or conservation and/or reduction and/or control of microbial contamination of aqueous dispersions and/or aqueous suspensions of mineral matter, providing satisfactory stability in terms of Brookfield™ viscosity for the said aqueous dispersions and/or suspensions of mineral matter. It also concerns the said aqueous dispersions and/or suspensions thus obtained, together with their uses in the mineral, paper and paint industries. Finally it concerns the end products obtained.
    Type: Application
    Filed: August 28, 2013
    Publication date: January 2, 2014
    Inventors: Matthias Buri, Patrick Schwarzentruber, Silvia Hub-Schmid