Patents by Inventor Bernardus In'T Veen

Bernardus In'T Veen 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).

  • Process for Producing Caco3 or Mgco3
    Publication number: 20070202032
    Abstract: The present invention relates to a process for producing CaCO3 or MgCO3 from a feedstock comprising a Ca- or Mg-comprising mixed metal oxide, wherein: (a) an aqueous slurry of the feedstock is contacted with a C02 containing gas to form an aqueous solution of Ca(HCO3)2 or Mg(HCO3)2 and a solid Ca- or Mg-depleted feedstock; (b) part or all of the aqueous solution of Ca(HCO3)2 or Mg(HCO3)2 is separated from the solid Ca- or Mg-depleted feedstock; (c) CaCO3 or MgCO3 is precipitated from the separated aqueous solution of Ca(HCO3)2 or Mg(HCO3)2; and (d) the precipitated CaCO3 or MgCO3 is recovered as product. The invention further relates to a process for the production of an aqueous solution of Ca(HCO3)2 or Mg(HCO3)2.
    Type: Application
    Filed: July 7, 2005
    Publication date: August 30, 2007
    Applicant: SHELL OIL COMPANY
    Inventors: Jacobus Geerlings, Gerardus Antonius Van Mossel, Bernardus In'T Veen