Patents by Inventor Lore Hirsch

Lore Hirsch 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).

  • Purification of sulfuryl fluoride
    Patent number: 7014831
    Abstract: Sulfuryl fluoride, which is useful as a fumigant, may be contaminated with sulfur dioxide and possibly other impurities such as sulfuryl chloride, depending on the way it is produced. According to the invention, sulfur dioxide and, if applicable, sulfuryl chloride fluoride are removed from a contaminated sulfuryl fluoride product by using aluminum oxide as an adsorbing agent. The method of the invention is highly advantageous because it eliminates the need to use activated carbon as an additional adsorbent.
    Type: Grant
    Filed: August 6, 2004
    Date of Patent: March 21, 2006
    Assignee: Solway Fluor und Derivate GmbH
    Inventors: Johannes Eicher, Matthias Marek, Lore Hirsch
  • Purification of sulfuryl fluoride
    Publication number: 20050022664
    Abstract: Sulfuryl fluoride, which is useful as a fumigant, may be contaminated with sulfur dioxide and possibly other impurities such as sulfuryl chloride, depending on the way it is produced. According to the invention, sulfur dioxide and, if applicable, sulfuryl chloride fluoride are removed from a contaminated sulfuryl fluoride product by using aluminum oxide as an adsorbing agent. The method of the invention is highly advantageous because it eliminates the need to use activated carbon as an additional adsorbent.
    Type: Application
    Filed: August 6, 2004
    Publication date: February 3, 2005
    Applicant: Solvay Fluor und Derivate GmbH
    Inventors: Johannes Eicher, Matthias Markek, Lore Hirsch