Patent · US Expired

Multidrop tree branching functional polyethylene glycol, methods of preparing and using same

US7144978B2 · kind B2 · utility

15Cited by

4References

12Claims

0Family size

Assignee

Pan Asia Bio Co., Ltd. · CN

Inventors

Junlian Huang · Shanghai, CN
Michael Xu · Shanghai, CN
Xiaojian Hu · Shanghai, CN
Yuhong Xu · Longbeilingcun, CN

Key dates

Filing date	Jul 15, 2004
Grant date	Dec 5, 2006
Priority date	—
Expiry date	Jul 15, 2024

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61K47/60
WIPO fieldPharmaceuticals
WIPO sectorChemistry

Abstract

Multi-armed functional polyethylene glycol polymers with active terminal groups may be used in conjugation with small molecule pharmaceuticals, proteins and peptides to enhance half-life and bioavailability of the drug and improve solubility, stability and immunological competence.

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