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Patents

Self-Adhesive Sanitary Product and Preparation Method Thereof:

U.S. Patent No. 12,370,093

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By: Tara Olivo

Associate Editor at Nonwovens Industry, Rodman Media

Yilan Ye, Beijing, China; and Zhenzhong Yang, Beijing, China.
Assigned to Tsinghua University, Beijing, China.

Filed: 10/20/22
Issued: 7/29/25

A self-adhesive sanitary product, wherein the self-adhesive sanitary product is fingerstall-like or sheet-like, and has a first face on a surface side and a second face on an opposite side of the first face, the self-adhesive sanitary product, on the first face, has a micro-nano array structure configured to achieve reversible wet adhesion and configured to be adhered to a vaginal orifice tissue or a urethral orifice tissue, and the self-adhesive sanitary product has air permeability and liquid impermeability, and when the self-adhesive sanitary product is adhered to the vaginal orifice tissue or the urethral orifice tissue, the self-adhesive sanitary product completely blocks the vaginal orifice or the urethral orifice to prevent contents of the vagina or the urethra from flowing out.

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