US 12,297,320 B2
Polyethylene glycol derivative, preparation method thereof, and polyethylene glycol hydrogel capable of producing a rapid crosslinking reaction
Chaoliang He, Changchun (CN); Zhen Zhang, Changchun (CN); Hui Ren, Changchun (CN); and Xuesi Chen, Changchun (CN)
Assigned to Changchun Institute of Applied Chemistry Chinese Academy of Sciences, Changchun (CN)
Appl. No. 17/619,402
Filed by Changchun Institute of Applied Chemistry Chinese Academy of Sciences, Changchun (CN)
PCT Filed Jun. 29, 2020, PCT No. PCT/CN2020/098863
§ 371(c)(1), (2) Date Dec. 15, 2021,
PCT Pub. No. WO2021/237864, PCT Pub. Date Dec. 2, 2021.
Claims priority of application No. 202010455951.3 (CN), filed on May 26, 2020.
Prior Publication US 2023/0002554 A1, Jan. 5, 2023
Int. Cl. C08G 65/333 (2006.01); C08J 3/075 (2006.01)
CPC C08G 65/33337 (2013.01) [C08G 65/33327 (2013.01); C08G 65/33396 (2013.01); C08J 3/075 (2013.01); C08G 2650/04 (2013.01); C08J 2371/02 (2013.01)] 10 Claims
OG exemplary drawing
 
1. A polyethylene glycol derivative, comprising a repeat unit having the structure of Formula (I) and a terminal group having the structure of Formula (II);

OG Complex Work Unit Chemistry