Patent · US Active

Crystal of salt of quinazoline derivative

US10858340B2 · kind B2 · utility

0Cited by

3References

21Claims

0Family size

Assignees

Chia Tai Tianqing Pharmaceutical Group Co., Ltd. · CN
LIANYUNGANG RUNZHONG PHARMACEUTICAL CO., LTD. · CN
CENTAURUS BIOPHARMA CO., LTD. · CN

Inventors

Song Tang · Lianyungang, CN
Yizhong Zhu · Lianyungang, CN
Fei Liu · Nanjing, CN
Jie Zhou · Mason, US
Zhilin Chen · Lianyungang, CN
Hongjiang Xu · Lianyungang, CN
Xin Tian · 安丰镇, CN

Key dates

Filing date	Aug 24, 2017
Grant date	Dec 8, 2020
Priority date	—
Expiry date	Aug 24, 2037

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC07B2200/13
WIPO fieldPharmaceuticals
WIPO sectorChemistry

Abstract

Disclosed are a crystal of a maleate of a compound of formula (I), a preparation method for the crystal, a crystallization composition of same, a pharmaceutical composition of same, and uses thereof in preventing and treating a tumor.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.