Patent · US Expired

Medicinal aerosol formulations

US5766573A · kind A · utility

65Cited by
34References
3Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 16, 1997
Grant dateJun 16, 1998
Priority date
Expiry dateJan 16, 2017

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.