Patents by Inventor Johannes van Dijken

Johannes van Dijken 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).

  • Pyruvate producing yeast strain
    Publication number: 20050059136
    Abstract: Disclosed herein are glucose tolerant C2 carbon source-independent (GCSI) yeast strains having no detectable amount of pyruvate decarboxylase activity, wherein wild type yeast strains for the glucose tolerant C2 carbon source-independent yeast strains are Crabtree positive. Also disclosed are methods of selecting glucose tolerant C2 carbon source-dependent yeast strains, and methods of producing pyruvic acid or salts thereof using glucose tolerant C2 carbon source-independent yeast strain. Further disclosed herein are GCSI yeast strains having a genome that comprises an exogenous lactate dehydrogenase gene.
    Type: Application
    Filed: April 29, 2004
    Publication date: March 17, 2005
    Inventors: Antonius van Maris, Jacobus Pronk, Johannes van Dijken
  • Method for producing ethanol from xylose-containing substance
    Patent number: 4701414
    Abstract: A method for fermenting xylose-containing substance, such as a lignocellulosic degradation product into ethanol. Yeast of the species Pichia stipitis and/or Pichia segobiensis and/or Candida shehatae are utilized for the fermentation.
    Type: Grant
    Filed: December 31, 1984
    Date of Patent: October 20, 1987
    Inventors: Johannes van Dijken, Alexander Scheffers