Patent · US Expired

Pulmonary administration of pharmaceutically active substances

US5006343A · kind A · utility

235Cited by

6References

9Claims

0Family size

Inventors

Bradley J. Benson · Chapel Hill, US
JoRae Wright · San Francisco, US

Key dates

Filing date	Dec 29, 1988
Grant date	Apr 9, 1991
Priority date	—
Expiry date	Dec 29, 2008

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61K9/0082
WIPO fieldPharmaceuticals
WIPO sectorChemistry

Abstract

Pulmonary administration of a pharmaceutically active substance useful for local or systemic action which comprises, liposomes containing an effective amount of a pharmaceutically active substance, and an amount of alveolar surfactant protein effective to enhance transport of the liposomes across a pulmonary surface.

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