Patents by Inventor Helmut Lebkucher

Helmut Lebkucher 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).

  • Method for extracting lactic acid from aqueous suspensions
    Patent number: 7736514
    Abstract: The invention relates to a method for the continuous extraction of lactic acid from an aqueous suspension containing solids. According to said method, the aqueous suspension containing solids is brought into contact, in a counter-current, with an organic solvent that is partially miscible with water, in a column provided with filling agents which have a surface consisting of hydrophobic material, in such a way as to form an aqueous phase and an organic phase, such that the organic phase is guided as a dispersed phase in a section of the column comprising filling agents.
    Type: Grant
    Filed: July 17, 2006
    Date of Patent: June 15, 2010
    Assignee: BASF Aktiengesellschaft
    Inventors: Helmut Lebkücher, Gernot Reiβenweber
  • Method for Extracting Lactic Acid From Aqueous Suspensions
    Publication number: 20080230480
    Abstract: The invention relates to a method for the continuous extraction of lactic acid from an aqueous suspension containing solids. According to said method, the aqueous suspension containing solids is brought into contact, in a counter-current, with an organic solvent that is partially miscible with water, in a column provided with filling agents which have a surface consisting of hydrophobic material, in such a way as to form an aqueous phase and an organic phase, such that the organic phase is guided as a dispersed phase in a section of the column comprising filling agents.
    Type: Application
    Filed: July 17, 2006
    Publication date: September 25, 2008
    Applicant: BaSF Aktiengesellschaft
    Inventors: Helmut Lebkucher, Gernot Reissenweber