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. 25, 2023
Filed:
Jun. 23, 2017
Applicant:
Howard University, Washington, DC (US);
Inventor:
Preethi Chandran, Washington, DC (US);
Assignee:
HOWARD UNIVERSITY, Washington, DC (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K 47/69 (2017.01); A61K 9/00 (2006.01); A61K 48/00 (2006.01); C08G 73/02 (2006.01); C08J 3/24 (2006.01); C08L 79/02 (2006.01); C08J 3/12 (2006.01); C08J 3/075 (2006.01); C08K 5/00 (2006.01); C08K 5/07 (2006.01); B82Y 5/00 (2011.01); C08L 101/14 (2006.01);
U.S. Cl.
CPC ...
A61K 47/6935 (2017.08); A61K 9/0004 (2013.01); A61K 9/0053 (2013.01); A61K 48/0041 (2013.01); C08G 73/0206 (2013.01); C08J 3/075 (2013.01); C08J 3/12 (2013.01); C08J 3/24 (2013.01); C08J 3/246 (2013.01); C08L 79/02 (2013.01); A61K 48/0033 (2013.01); B82Y 5/00 (2013.01); C08G 2210/00 (2013.01); C08J 2300/14 (2013.01); C08J 2379/02 (2013.01); C08K 5/0025 (2013.01); C08K 5/07 (2013.01); C08L 101/14 (2013.01);
Abstract
Covalently linked linear polyethylenimine (PEI) clusters are provided that change conformation depending upon changes in counterion concentrations. The structures may be used for the storage, delivery, and/or transport of substances.