Patent · US Expired

Compositions and methods for drug delivery using pH sensitive molecules

US6919091B2 · kind B2 · utility

25Cited by
1References
15Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 11, 2002
Grant dateJul 19, 2005
Priority date
Expiry dateApr 16, 2022

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC12N15/87
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

An polyampholyte is utilized in a condensed polynucleotide complex for purposes of nucleic acid delivery to a cell. The complex can be formed with an appropriate amount of positive and/or negative charge such that the resulting complex can be delivered to the extravascular space and may be further delivered to a cell.

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