Patent · US Expired

Compressed-gas packages using polyoxyethylene glyceryl fatty-acid esters as suspension stabilizers and valve lubricants

US5536444A · kind A · utility

13Cited by

0References

20Claims

0Family size

Assignee

Asta Medica Aktiengesellschaft · DE

Inventors

Helmut Hettche · Dietzenbach, DE
Reinhard Muckenschnabel · Frankfurt, DE

Key dates

Filing date	Oct 13, 1993
Grant date	Jul 16, 1996
Priority date	—
Expiry date	Oct 13, 2013

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61K9/006
WIPO fieldPharmaceuticals
WIPO sectorChemistry

Abstract

Aerosol compressed-gas packages for the administration of biologically active substances with novel suspension stabilizers and propellants which are not harmful to ozone.

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