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:
Sep. 08, 2026
Filed:
Sep. 28, 2023
Peking University School of Stomatology, Beijing, CN;
Xuehui Zhang, Beijing City, CN;
Xuliang Deng, Beijing City, CN;
Jia Song, Beijing City, CN;
Yunyang Bai, Beijing City, CN;
Yang Liu, Beijing City, CN;
Yanhui Lu, Beijing City, CN;
Liping Wu, Beijing City, CN;
PEKING UNIVERSITY SCHOOL OF STOMATOLOGY, Beijing, CN;
Abstract
The present disclosure discloses a medical material and a product and preparation method thereof. The medical material comprises a ferroelectric polymer, and optionally further comprises an inorganic ferroelectric particle. The composite membrane is prepared by experiencing at least one of annealing treatment, corona poling treatment, acid treatment, and ultrasonic treatment, and the acid treatment is conducted after the annealing treatment. The present disclosure further relates to a method for treating a composite membrane to regulate an antibacterial activity.