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:
Aug. 01, 2017
Filed:
Mar. 24, 2015
E I Du Pont DE Nemours and Company, Wilmington, DE (US);
Dean M Fake, Wilmington, DE (US);
Susan Marie Hennessey, Avondale, PA (US);
Brian D Mather, Newark, DE (US);
Jennifer S Ovental, Raleigh, NC (US);
Wayne Atkinson, New Castle, DE (US);
Tyler D Pritchett, Bear, DE (US);
Negash Adugna, Wilmington, DE (US);
EI DU PONT DE NEMOURS AND COMPANY, Wilmington, DE (US);
Abstract
Reaction solutions are disclosed herein comprising water, incompletely refined sucrose, and a glucosyltransferase enzyme that synthesizes insoluble poly alpha-1,3-glucan having at least 50% alpha-1,3 glycosidic linkages and a weight average degree of polymerization (DP) of at least 100. The yield of poly alpha-1,3-glucan by a reaction solution herein is at least 7% of the weight of sucrose that was converted in the reaction solution. Further disclosed are methods of producing poly alpha-1,3-glucan using incompletely refined sucrose, and poly alpha-1,3-glucan produced by these methods.