Patents Assigned to E.I. du Pont de Nemours and Company Alliance for Sustainable Energy LLC
  • ZYMOMONAS WITH IMPROVED XYLOSE UTILIZATION IN STRESS CONDITIONS
    Publication number: 20120276607
    Abstract: Strains of xylose utilizing Zymomonas with improved xylose utilization and ethanol production during fermentation in stress conditions were obtained using an adaptation method. The adaptation involved continuously growing xylose utilizing Zymomonas in media containing high sugars, acetic acid, ammonia, and ethanol.
    Type: Application
    Filed: July 3, 2012
    Publication date: November 1, 2012
    Applicant: E. I. DU PONT DE NEMOURS AND COMPANY & ALLIANCE FOR SUSTAINABLE ENERGY LLC
    Inventors: PERRY G. CAIMI, MARK EMPTAGE, XU LI, PAUL V. VIITANEN, YAT-CHEN CHOU, MARY ANN FRANDEN, MIN ZHANG
  • High expression promoters
    Patent number: 7989206
    Abstract: Identified are mutants of the promoter of the Z. mobilis glyceraldehyde-3-phosphate dehydrogenase gene, which direct improved expression levels of operably linked heterologous nucleic acids. These are high expression promoters useful for expression of chimeric genes in Zymomonas, Zymobacter, and other related bacteria.
    Type: Grant
    Filed: March 25, 2009
    Date of Patent: August 2, 2011
    Assignee: E.I. du Pont de Nemours and Company Alliance for Sustainable Energy LLC
    Inventors: Paul V. Viitanen, Luan Tao, Yuying Zhang, Perry G. Caimi, Laura McCole, Min Zhang, Yat-Chen Chou, Carol M. McCutchen, Mary Ann Franden
  • ZYMOMONAS WITH IMPROVED XYLOSE UTILIZATION IN STRESS CONDITIONS
    Publication number: 20110014670
    Abstract: Strains of xylose utilizing Zymomonas with improved xylose utilization and ethanol production during fermentation in stress conditions were obtained using an adaptation method. The adaptation involved continuously growing xylose utilizing Zymomonas in media containing high sugars, acetic acid, ammonia, and ethanol.
    Type: Application
    Filed: December 18, 2009
    Publication date: January 20, 2011
    Applicant: E.I. DU PONT DE NEMOURS AND COMPANY & ALLIANCE FOR SUSTAINABLE ENERGY LLC
    Inventors: PERRY G. CAIMI, Mark Emptage, Xu Li, Paul V. Viitanen, Yat-Chen Chou, Mary Ann Franden, Min Zhang