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:
May. 27, 2025
Filed:
May. 13, 2024
Technical Institute of Physics and Chemistry of the Chinese Academy of Sciences, Beijing, CN;
Beijing Cas Microneedle Technology Ltd., Beijing, CN;
Yunhua Gao, Beijing, CN;
Mengzhen Xing, Beijing, CN;
Abstract
A hydrogel microneedle patch based on a three-dimensional framework structure is provided and includes a hydrogel microneedle. A raw material of the hydrogel microneedle includes polyvinyl alcohol and aqueous dispersion of acrylic resin. the hydrogel microneedle is obtained by uniformly mixing and molding of the aqueous dispersion of acrylic resin and the polyvinyl alcohol. The hydrogel microneedle patch has good strength, excellent swelling property and puncture property. In addition, a preparation method and an application of the hydrogel microneedle patch are also provided.