Patents by Inventor Walter Diethelm

Walter Diethelm 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).

  • Publication number: 20190022578
    Abstract: The invention relates to a composition for the purification of flue gas containing 1 to 99 wt. % of a powder of a sodium salt of carbonic acid and 1 to 99 wt. % of a powder of an absorptive material, wherein the powder of an absorptive material has a specific pore volume that is equal to or greater than 0.1 cm3/g. The invention also relates to a process for dry flue gas purification and the use of an absorptive material to improve the flowability and/or storability and/or HF absorptivity of a sodium salt of carbonic acid.
    Type: Application
    Filed: December 27, 2016
    Publication date: January 24, 2019
    Inventors: Martin Sindram, Walter Diethelm, Christopher Pust, Xavier Pettiau
  • Publication number: 20190015778
    Abstract: The invention relates to a composition for the purification of flue gas containing 35 to 99 wt. % of a powder of an alkali metal salt of carbonic acid and 1 to 65 wt. % of a powder of an absorptive material, wherein the powder of an absorptive material has a specific pore volume that is equal to or greater than 0.1 cm3/g. The invention also relates to a process for dry flue gas purification and the use of an absorptive material to improve the flowability and/or storability and/or HF absorptivity of an alkali metal salt of carbonic acid.
    Type: Application
    Filed: December 27, 2016
    Publication date: January 17, 2019
    Applicant: Lhoist Recherche et Développement S.A.
    Inventors: Martin Sindram, Walter Diethelm, Christopher Pust, Xavier Pettiau