Patents by Inventor Pascal Jäggi

Pascal Jäggi 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).

  • Surface-coated calcium carbonate-containing material and process for the purification of water
    Patent number: 10843932
    Abstract: The present invention relates to at least one surface-reacted calcium carbonate-comprising mineral material and/or a surface-reacted precipitated calcium carbonate that is/are coated with at least one anionic polymer to obtain a surface-coated calcium carbonate-comprising material as well as to a process for the preparation of the surface-coated calcium carbonate-comprising material. Furthermore, the present invention relates to a process for the purification of water and/or dewatering of sludges and/or suspended sediments and to the use of a surface-coated calcium carbonate-comprising material for water purification and/or dewatering of sludges and/or suspended sediments.
    Type: Grant
    Filed: March 3, 2016
    Date of Patent: November 24, 2020
    Assignee: Omya International AG
    Inventors: Martine Poffet, Pascal Jäggi, Daniel E. Gerard, Peter Hess
  • SURFACE-TREATED MINERAL MATERIALS AND ITS USE IN WATER PURIFICATION
    Publication number: 20190047890
    Abstract: The present invention relates to a process for increasing the solids content of aqueous sludges and/or sediments, to the use of a surface-treated mineral material for increasing the solids content of sludges and/or sediments, and to a composite material comprising a surface-treated mineral material and impurities obtainable by said process.
    Type: Application
    Filed: April 24, 2017
    Publication date: February 14, 2019
    Inventors: Martine Poffet, Pascal Jäggi, Daniel E. Gerard, Joachim Schoelkopf
  • PROCESS FOR THE PURIFICATION OF WATER
    Publication number: 20180093899
    Abstract: The present invention relates to at least one surface-reacted calcium carbonate-comprising mineral material and/or a surface-reacted precipitated calcium carbonate that is/are coated with at least one anionic polymer to obtain a surface-coated calcium carbonate-comprising material as well as to a process for the preparation of the surface-coated calcium carbonate-comprising material. Furthermore, the present invention relates to a process for the purification of water and/or dewatering of sludges and/or suspended sediments and to the use of a surface-coated calcium carbonate-comprising material for water purification and/or dewatering of sludges and/or suspended sediments.
    Type: Application
    Filed: March 3, 2016
    Publication date: April 5, 2018
    Inventors: Martine Poffet, Pascal Jäggi, Daniel E. Gerard, Peter Hess