Patents by Inventor Daniel Edward Gerard

Daniel Edward Gerard 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-treated calcium carbonate and phyllosilicate and its use in water purification
    Patent number: 10065872
    Abstract: The invention relates to a process for the purification of water and/or dewatering of sludges and/or sediments, to the use of a combination of a phyllosilicate and a surface-treated calcium carbonate for water purification and/or dewatering of sludges and/or sediments, as well as to the use of a combination of a phyllosilicate and a surface-treated calcium carbonate for reducing the amount of polymeric flocculation aids in water and/or sludges and/or sediments and to a composite material comprising at least one surface-treated calcium carbonate, at least one phyllosilicate and impurities originated from different sources obtainable by said process.
    Type: Grant
    Filed: April 14, 2014
    Date of Patent: September 4, 2018
    Assignee: Omya International AG
    Inventors: Daniel Edward Gerard, Martine Poffet, Joachim Schoelkopf, Michael Skovby, Patrick Arthur Charles Gane
  • Surface modified calcium carbonate containing minerals and its use
    Patent number: 9650517
    Abstract: The present invention is related to ball-shaped spherical surface modified spherical calcium carbonate comprising minerals, the process for preparing such ball-shaped spherical surface modified spherical calcium carbonate comprising minerals, and their use.
    Type: Grant
    Filed: July 10, 2013
    Date of Patent: May 16, 2017
    Assignee: Omya International AG
    Inventors: Daniel Edward Gerard, Joachim Schoelkopf, Patrick Arthur Charles Gane, Fritz Lehner, Dennis Werner
  • Surface modified calcium carbonate containing minerals and its use
    Patent number: 9637637
    Abstract: The present invention is related to ball-shaped spherical surface modified spherical calcium carbonate comprising minerals, the process for preparing such ball-shaped spherical surface modified spherical calcium carbonate comprising minerals, and their use.
    Type: Grant
    Filed: September 22, 2016
    Date of Patent: May 2, 2017
    Assignee: Omya International AG
    Inventors: Daniel Edward Gerard, Joachim Schoelkopf, Patrick Arthur Charles Gane, Fritz Lehner, Dennis Werner
  • SURFACE MODIFIED CALCIUM CARBONATE CONTAINING MINERALS AND ITS USE
    Publication number: 20170009077
    Abstract: The present invention is related to ball-shaped spherical surface modified spherical calcium carbonate comprising minerals, the process for preparing such ball-shaped spherical surface modified spherical calcium carbonate comprising minerals, and their use.
    Type: Application
    Filed: September 22, 2016
    Publication date: January 12, 2017
    Applicant: Omya International Ag
    Inventors: Daniel Edward Gerard, Joachim Schoelkopf, Patrick Arthur Charles Gane, Fritz Lehner, Dennis Werner
  • SURFACE-TREATED CALCIUM CARBONATE AND PHYLLOSILICATE AND ITS USE IN WATER PURIFICATION
    Publication number: 20160060143
    Abstract: The invention relates to a process for the purification of water and/or dewatering of sludges and/or sediments, to the use of a combination of a phyllosilicate and a surface-treated calcium carbonate for water purification and/or dewatering of sludges and/or sediments, as well as to the use of a combination of a phyllosilicate and a surface-treated calcium carbonate for reducing the amount of polymeric flocculation aids in water and/or sludges and/or sediments and to a composite material comprising at least one surface-treated calcium carbonate, at least one phyllosilicate and impurities originated from different sources obtainable by said process.
    Type: Application
    Filed: April 14, 2014
    Publication date: March 3, 2016
    Inventors: Daniel Edward Gerard, Martine Poffet, Joachim Schoelkopf, Michael Skovby, Patrick Arthur Charles Gane
  • SURFACE MODIFIED CALCIUM CARBONATE CONTAINING MINERALS AND ITS USE
    Publication number: 20150175806
    Abstract: The present invention is related to ball-shaped spherical surface modified spherical calcium carbonate comprising minerals, the process for preparing such ball-shaped spherical surface modified spherical calcium carbonate comprising minerals, and their use.
    Type: Application
    Filed: July 10, 2013
    Publication date: June 25, 2015
    Inventors: Daniel Edward Gerard, Joachim Schoelkopf, Patrick Arthur Charles Gane, Fritz Lehner, Dennis Werner