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:
Oct. 22, 2024
Filed:
May. 18, 2018
Postech Academy-industry Foundation, Pohang-si, KR;
Shilla Industrial Co., Ltd., Gyeongsan-si, KR;
Geunbae Lim, Pohang-si, KR;
Jungho Lee, Siheung-si, KR;
Byoungsun Choi, Daegu, KR;
Hyeonsu Woo, Pohang-si, KR;
Postech Academy-Industry Foundation, Pohang-si, KR;
Shilla Industrial Co., Ltd., Gyeongsan-si, KR;
Abstract
A transdermal drug delivery patch includes a flexible base layer, and a plurality of microneedles disposed at one surface of the base layer and including a biodegradable polymer and a drug. Each of a plurality of microneedles is formed as a star-shaped pyramid including a plurality of protrusions extending in a radial direction, and a concave shape is formed between two protrusions adjacent along a circumferential direction among a plurality of protrusions.