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:
Dec. 27, 2016
Filed:
Nov. 16, 2012
Applicant:
City University of Hong Kong, Kowloon, HK;
Inventors:
Li Yan, Kowloon, HK;
Xianfeng Chen, Sha Tin, HK;
Assignee:
CITY UNIVERSITY OF HONG KONG, Kowloon, HK;
Primary Examiner:
Int. Cl.
CPC ...
A61M 37/00 (2006.01); A61K 9/51 (2006.01); A61K 9/00 (2006.01); A61K 47/38 (2006.01); B82Y 5/00 (2011.01);
U.S. Cl.
CPC ...
A61M 37/0015 (2013.01); A61K 9/0021 (2013.01); A61K 9/5115 (2013.01); A61K 47/38 (2013.01); B82Y 5/00 (2013.01); A61M 2037/0046 (2013.01); A61M 2037/0053 (2013.01);
Abstract
Disclosed are biocompatible, dissolving microneedle structures with enhanced mechanical strength. More particularly, the present disclosure relates to microneedles containing nanomaterials. Also disclosed are methods of producing such microneedle structures, as well as methods for using them to deliver drugs or biomolecules into the skin or epithelia, or the cytoplasm and/or nucleus of a skin or epithelia cell, of a subject.