Patent · US Expired

Medicinal aerosol formulations

US5225183A · kind A · utility

219Cited by
10References
3Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 30, 1991
Grant dateJul 6, 1993
Priority date
Expiry dateJan 30, 2011

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61K9/124
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

A self-propelling aerosol formulation which may be free from CFC's which comprises a medicament, 1,1,1,2-tetrafluoroethane, a surface active agent and at least one compound having a higher polarity than 1,1,1,2-tetrafluoroethane.

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