Patent ID: 11912829
Assignee: CNPHARM CO., LTD.
Field: Pharmaceuticals (Chemistry)
Classification: CPC C  A | IPC A  C

Claim 2:
3. A method of delivering a drug to a patient or a living object in need thereof, the method comprising:
administering to the patient or the living object a linear polyphosphazene-drug conjugate compounds represented by the following chemical formula 2:, , wherein, in chemical formula 2, n is an integer from 3 to 300;
MPEG represents methoxy poly(ethylene glycol);
S is a spacer group;
D is a hydrophobic molecule as a drug;
L is a linker to connect the spacer group (S) and the hydrophobic molecule (D), wherein the hydrophobic molecule (D) has at least one functional group of hydroxyl or amine;
x and y are independently in the range of 0-0.5;
z is in the range of 0-1; and
x+y+z=1, wherein spacer group (S) is aminoethanol or aminopropanol.