Patent · US Expired

Compressed gas packages using polyoxyethylene glyceryl oleates

US5415853A · kind A · utility

15Cited by

5References

6Claims

0Family size

Assignee

Asta Medica Aktiengesellschaft · DE

Inventors

Helmut Hettche · Dietzenbach, DE
Jurgen Engel · Alzenau, DE
Reinhard Muckenschnabel · Frankfurt, DE

Key dates

Filing date	Mar 17, 1993
Grant date	May 16, 1995
Priority date	—
Expiry date	Mar 17, 2013

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61P11/00
WIPO fieldPharmaceuticals
WIPO sectorChemistry

Abstract

Aerosol compressed gas packages containing a member of the group consisting of polyoxyethylene-25-glyceryl trioleate, polyoxyethylene-30-glyceryl monooleate and polyoxyethylene-20-glyceryl monooleate as suspension stabilizer and/or valve lubricant. These materials are especially useful when the package contains TG 227 or TG 134a as the propellant.

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