Patents by Inventor Thorsten Louwen

Thorsten Louwen 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).

  • Processes for concentrating tocopherols and/or sterols
    Patent number: 6815551
    Abstract: A process for concentrating sterols and/or tocopherols from mixtures of fats and fatty derivatives and from residues left after they have been worked up is described. After splitting of the glycerides by hydrolysis and subsequent removal of the free fatty acids by distillation, the tocopherol/sterol esters still present are largely split into free tocopherols/sterols by an additional hydrolysis step.
    Type: Grant
    Filed: February 4, 2003
    Date of Patent: November 9, 2004
    Assignee: Cognis Deutschland GmbH & Co. KG
    Inventors: Wolfgang Albiez, William G. Kozak, Thorsten Louwen
  • Method for obtaining or recovering sterols and tocopherols
    Publication number: 20030158429
    Abstract: The invention relates to a process for isolating sterols and tocopherols from mixtures of fats and fatty derivatives and from residues left after they have been worked up. After splitting of the glycerides by hydrolysis and subsequent removal of the free fatty acids by distillation, the sterol esters still present are largely split into free sterols by an additional hydrolysis step.
    Type: Application
    Filed: February 4, 2003
    Publication date: August 21, 2003
    Inventors: Wolfgang Albiez, William G. Kozak, Thorsten Louwen