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:
Jul. 14, 2015
Filed:
Sep. 07, 2012
Applicants:
John P O'brien, Oxford, PA (US);
Mark S Payne, Wilmington, DE (US);
Inventors:
John P O'Brien, Oxford, PA (US);
Mark S Payne, Wilmington, DE (US);
Assignee:
E I DU PONT DE NEMOURS AND COMPANY, Wilmington, DE (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C12P 19/18 (2006.01); C12N 9/00 (2006.01); C12N 1/20 (2006.01); C12N 15/00 (2006.01); C07H 21/04 (2006.01); C12P 19/04 (2006.01);
U.S. Cl.
CPC ...
C12P 19/18 (2013.01); C12P 19/04 (2013.01); C12Y 204/01005 (2013.01);
Abstract
A process for enzymatic preparation of poly (α1, 3 glucan) from sucrose is disclosed. The glucosyltransferase enzyme (gtfJ) fromis used to convert sucrose to fructose and poly (α1, 3 glucan). Application of semi-permeable membranes to continuously remove fructose, a by-product of the gtf enzyme, thus increasing the poly (α1, 3 glucan) liter, is disclosed.