Patent · US Active

Zymomonas with improved xylose utilization in stress conditions

US8247208B2 · kind B2 · utility

9Cited by

6References

5Claims

0Family size

Assignees

Alliance for Sustainable Energy, LLC · US
E.I. DU PONT DE NEMOURS AND COMPANY · US

Inventors

Perry G. Caimi · Kennett Square, US
Mark Emptage · Wilmington, US
Xu Li · 林湖乡, CN
Paul V. Viitanen · West Chester, US
Yat-Chen Chou · Lakewood, US
Mary Ann Franden · Centennial, US
Min Zhang · 安丰镇, CN

Key dates

Filing date	Dec 18, 2009
Grant date	Aug 21, 2012
Priority date	—
Expiry date	Mar 2, 2031

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY02E50/10
WIPO fieldBiotechnology
WIPO sectorChemistry

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.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.