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.

Date of Patent:
Sep. 08, 2020

Filed:

Jun. 30, 2017
Applicants:

Wake Forest University Health Sciences, Winston-Salem, NC (US);

Wake Forest University, Winston-Salem, NC (US);

Inventors:

Mark E. Welker, Clemmons, NC (US);

Emmanuel C. Opara, Durham, NC (US);

Surya R. Banks, Winston-Salem, NC (US);

Amber N. Weissenfluh, Kernersville, NC (US);

Assignees:

Wake Forest University Health Sciences, Winston-Salem, NC (US);

Wake Forest University, Winston-Salem, NC (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08B 37/00 (2006.01); A61K 31/734 (2006.01); A61K 47/69 (2017.01);
U.S. Cl.
CPC ...
C08B 37/0084 (2013.01); A61K 31/734 (2013.01); A61K 47/6903 (2017.08);
Abstract

Modified alginates are described herein along with hydrogels comprising the same. A modified alginate may be prepared by reacting alginate and an aromatic compound (e.g., an aromatic amine) and/or pH sensitive compound. The modified alginates, hydrogels, and/or methods described herein may be used to coat and/or encapsulate at least a portion of a bioactive substance, optionally for oral delivery in humans and other animals.


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