Patent ID: 11857635
Assignee: JENKEM TECHNOLOGY CO., LTD. (TIANJIN)
Field: Pharmaceuticals (Chemistry)
Classification: CPC A | IPC A

Claim 11:
12. The conjugate of claim 11, wherein PEG is a linear-chain polyethylene glycol residue which has a structure of a general formula III:, wherein, p is selected from an integer of 1 to 960;
or,
the PEG is a Y-type polyethylene glycol residue having a structure of general formula V or VI:, wherein, i and h are independently selected from an integer of 1 to 480;
or,
the PEG is a multi-branched polyethylene glycol residue having a structure of general formula VII;, wherein, k is an integer of 1 to 320,
j is an integer of 3 to 8, and
R is a core molecule of multi-branched polyethylene glycol, and R is selected from residues of pentaerythritol, oligomerized pentaerythritol, methyl glucoside, sucrose, diglycol, propylene glycol, glycerol and polyglycerol.