The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 16, 2008
Filed:
Jun. 08, 2005
Applicants:
Xiao-song Tang, Hockessin, DE (US);
Qiong Cheng, Wilmington, DE (US);
Luan Tao, Havertown, PA (US);
Joanne Y. Shyr, Newark, DE (US);
Inventors:
Xiao-Song Tang, Hockessin, DE (US);
Qiong Cheng, Wilmington, DE (US);
Luan Tao, Havertown, PA (US);
Joanne Y. Shyr, Newark, DE (US);
Assignee:
E.I. du Pont de Nemours and Company, Wilmington, DE (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07H 21/04 (2006.01); C12P 1/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
Protein engineered CrtO ketolases isolated fromAN12 are provided having increased carotenoid ketolase activity. Methods using the present CrtO ketolases are also provided for increasing ketocarotenoid production in suitable production hosts.