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. 16, 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 according to an exemplary embodiment of the present invention includes: a flexible base layer; and a plurality of microneedle disposed at one surface of the base layer. Each of the plurality of microneedles includes a biodegradable polymer and a drug and has an empty space inside. Each of the plurality of microneedles is formed as a star-shaped pyramid including a plurality of protrusions extending in a radial direction, and a part between two protrusions adjacent along the circumferential direction among the plurality of protrusions is concave.