Patent · US Expired

Aerosol drug formulations for use with non CFC propellants

US5676931A · kind A · utility

31Cited by

3References

22Claims

0Family size

Assignee

Abbott Laboratories · US

Inventors

Akwete L. Adjei · Bound Brook, US
Pramod Gupta · Bedburg, DE
Mou-Ying Fu Lu · Lake Bluff, US

Key dates

Filing date	May 15, 1996
Grant date	Oct 14, 1997
Priority date	—
Expiry date	May 15, 2016

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61K9/008
WIPO fieldPharmaceuticals
WIPO sectorChemistry

Abstract

Pharmaceutical compositions for aerosol delivery comprising a medicament, a non-chlorofluorocarbon propellant and a protective colloid, as well as a method for preparing such compositions in which the aggregation of the particles is prevented without the use of surfactants or cosolvents.

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