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. 05, 2017
Filed:
Mar. 13, 2015
Applicant:
Nano and Advanced Materials Institute Limited, Hong Kong, HK;
Inventors:
Assignee:
Nano and Advanced Materials Institute Limited, Hong Kong, HK;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61K 9/00 (2006.01); A61K 47/38 (2006.01); A61K 38/06 (2006.01); A61K 38/08 (2006.01); A61K 31/455 (2006.01); A61K 47/32 (2006.01); A61K 47/36 (2006.01);
U.S. Cl.
CPC ...
A61K 9/0021 (2013.01); A61K 31/455 (2013.01); A61K 38/06 (2013.01); A61K 38/08 (2013.01); A61K 47/38 (2013.01); A61K 47/32 (2013.01); A61K 47/36 (2013.01);
Abstract
The present invention provides a biodegradable microdepot delivery system for topical delivery of active ingredients through the skin surface of a subject. The configuration, dimension, and chemical composition of the microdepots allow a relatively short dissolution time of less than 5 minutes while insertion ratio of the microdepots can reach more than 60%, some of which can even reach about 97%, under exertion of a relatively low pressing force. The present invention also provides a method for fabricating the biodegradable microdepot delivery system and a polymeric solution for forming the same.