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:
Oct. 27, 2026
Filed:
Sep. 15, 2020
Applicant:
Sichuan Baili Pharmaceutical Co. Ltd., ChengDu, CN;
Inventors:
Yi Zhu, ChengDu, CN;
Weili Wan, ChengDu, CN;
Shi Zhuo, ChengDu, CN;
Wenfang Qin, ChengDu, CN;
Yong Zhang, ChengDu, CN;
Assignee:
SYSTIMMUNE, INC., Redmond, WA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61P 35/00 (2006.01); A61K 47/68 (2017.01); C07D 491/22 (2006.01); C07K 16/30 (2006.01);
U.S. Cl.
CPC ...
A61K 47/6889 (2017.08); A61K 47/68037 (2023.08); A61K 47/6851 (2017.08); A61P 35/00 (2018.01); C07D 491/22 (2013.01); C07K 16/30 (2013.01);
Abstract
The present application discloses a camptothecin drug and its antibody conjugate. Based on a comprehensive understanding of ADC drugs, the inventor designed a series of active anti-tumor exatecan-derivatives. The designed anti-tumor molecular compound showed good anti-tumor activity in the experiment.
Zhu, Yi. (2026). Camptothecin drug and its antibody conjugate thereof (U.S. Patent No. 12773461). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12773461
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile