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. 25, 2021
Filed:
Jan. 01, 2018
China Pharmaceutical University, Nanjing, CN;
Sheng Jiang, Nanjing, CN;
Zhengchao Tu, Nanjing, CN;
Haiping Hao, Nanjing, CN;
Hequan Yao, Nanjing, CN;
Yatao Qiu, Nanjing, CN;
Yiwu Yao, Nanjing, CN;
Dong Chen, Nanjing, CN;
CHINA PHARMACEUTICAL UNIVERSITY, Nanjing, CN;
Abstract
A heterocyclic urea compound, and specifically discloses an indoleamine-2,3-dioxygenase inhibitor of a heterocyclic urea compound, which solves the problems of weak curative effect and larger toxic and side effects of existing immunological therapy drugs. The invention further provides a preparation method for an indoleamine-2,3-dioxygenase inhibitor of a heterocyclic urea compound, and an application of the indoleamine-2,3-dioxygenase inhibitor of a heterocyclic urea compound or a pharmaceutically acceptable salt thereof in preparing drugs for treating or preventing tumors.