Patent · US Active

Zymomonas with improved xylose utilization in stress conditions

US8465961B2 · kind B2 · utility

1Cited by

6References

7Claims

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	Jul 3, 2012
Grant date	Jun 18, 2013
Priority date	—
Expiry date	Jul 3, 2032

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.