Application number: 2023114018546

Application date: February 26, 2023

Date of Authorization Notice Issuance: May 9, 2024

Authorization Announcement Number: CN 117487178 B

Authorization Announcement Date: May 28, 2024

Authorization period: 5 months

 Int. Cl.： C08G83/00

Applicant: Central South University

Priority review request date: April 12, 2024

Priority review approval date: April 25, 2024