Patents by Inventor Reinhold Iretzberger

Reinhold Iretzberger 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 the regeneration of sulfuric acid
    Patent number: 7842272
    Abstract: Sulfuric acid contaminated with byproducts of chloromethane scrubbing is regenerated for reuse in the scrubbing process by diluting with water to not lower than about a 55 weight percent concentration, heating the diluted acid to boiling at not more than about 135° C., concentrating the acid to a concentration of minimally 80 weight percent at a temperature of at least 170° C., and reacting the concentrated acid with an oxidizing agent.
    Type: Grant
    Filed: October 6, 2006
    Date of Patent: November 30, 2010
    Assignee: Wacker Chemie AG
    Inventors: Klaus Kaeppler, Reinhold Iretzberger, Gerhard Nagy
  • Process for the Regeneration of Sulfuric Acid
    Publication number: 20080293979
    Abstract: Sulfuric acid contaminated with byproducts of chloromethane scrubbing is regenerated for reuse in the scrubbing process by diluting with water to not lower than about a 55 weight percent concentration, heating the diluted acid to boiling at not more than about 135° C., concentrating the acid to a concentration of minimally 80 weight percent at a temperature of at least 170° C., and reacting the concentrated acid with an oxidizing agent.
    Type: Application
    Filed: October 6, 2006
    Publication date: November 27, 2008
    Applicant: WACKER CHEMIE AG
    Inventors: Klaus Kaeppler, Reinhold Iretzberger, Gerhard Nagy