Patents by Inventor Gerhard Sandmann

Gerhard Sandmann 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).

  • Carotene hydroxylase and method for producing xanthophyll derivatives
    Patent number: 7041471
    Abstract: The present invention relates to proteins which have an enzymatic activity for converting ?-carotene into zeaxanthin or canthaxanthin into astaxanthin, to nucleic acids which encode these proteins, to nucleic acid constructs comprising these nucleic acids, to genetically manipulated organisms where the genetic manipulation causes or increases the gene expression of this nucleic acid by comparison with a wild-type, and to processes for preparing xanthophyll derivatives.
    Type: Grant
    Filed: March 28, 2000
    Date of Patent: May 9, 2006
    Assignee: BASF Aktiengesellschaft
    Inventors: Hartmut Linden, Gerhard Sandmann
  • Method for producing ketocarotenoids by cultivating genetically modified organisms
    Publication number: 20060053513
    Abstract: The present invention relates to a process for preparing ketocarotenoids by cultivation of genetically modified organisms which, compared with the wild type, have a modified ketolase activity, to the genetically modified organisms, and to the use thereof as human and animal foods and for producing ketocarotenoid extracts.
    Type: Application
    Filed: December 24, 2003
    Publication date: March 9, 2006
    Inventors: Sabine Steiger, Gerhard Sandmann