Patent · US Active

Biodegradable cationic polymers

US7358223B2 · kind B2 · utility

12Cited by

9References

35Claims

0Family size

Assignee

NITTO DENKO CORPORATION · JP

Inventors

Gang Zhao · Oceanside, US
Xiaoli Fu · Vista, US
Lei Yu · Huangguan, CN

Key dates

Filing date	Aug 31, 2005
Grant date	Apr 15, 2008
Priority date	—
Expiry date	May 31, 2026

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10S977/705
WIPO fieldPharmaceuticals
WIPO sectorChemistry

Abstract

Polymers comprising a polyethylenimine, a biodegradable group, and a relatively hydrophobic group are useful for the delivery of bioactive agents to cells.

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