	US 12,410,123 B2
	N-[8-(2-hydroxybenzoyl)amino]potassium octanoate crystal polymorph, and preparation method therefor and use thereof
Hongyang Wang, Beijing (CN); Shiyue Jiang, Beijing (CN); Yao Li, Beijing (CN); and Hai Pan, Beijing (CN)
Assigned to SCIWIND BIOSCIENCES CO., LTD., Hangzhou Zhejiang (CN)
Appl. No. 17/999,945
Filed by SCIWIND BIOSCIENCES CO., LTD., Hangzhou Zhejiang (CN)
PCT Filed Nov. 11, 2020, PCT No. PCT/CN2020/128050 § 371(c)(1), (2) Date Nov. 28, 2022, PCT Pub. No. WO2021/238088, PCT Pub. Date Dec. 2, 2021.
Claims priority of application No. PCT/CN2020/093306 (WO), filed on May 29, 2020.
Prior Publication US 2023/0234916 A1, Jul. 27, 2023
Int. Cl. C07C 235/60 (2006.01); A61K 31/20 (2006.01); A61K 38/26 (2006.01)

CPC C07C 235/60 (2013.01) [A61K 31/20 (2013.01); A61K 38/26 (2013.01); C07B 2200/13 (2013.01)]

19 Claims

1. A crystal polymorph of potassium N-[8-(2-hydroxybenzoyl) amino] octanoate, wherein the crystal polymorph of potassium N-[8-(2-hydroxybenzoyl) amino] octanoate is crystal Form I, and the crystal Form I has at least an X-ray powder diffraction pattern with characteristic peaks represented by 2θ° of 7.83±0.2, 26.64±0.2, and 18.89±0.2.