C - Chemistry – Metallurgy – 09 – K
Patent
C - Chemistry, Metallurgy
09
K
C09K 3/30 (2006.01) B65D 83/14 (2006.01)
Patent
CA 2089860
HOE 92/F 039 Abstract: Method for reducing the overall pressure in aerosol packs The invention relates to a method for reducing the overall pressure in aerosol packs which contain as a propellant gas at least one partially fluorinated alkane having 2 or 3 carbon atoms and a vapor pressure of more than 3 bar at 50°C. In this method, said propellant gas is mixed with at least one partially fluorinated alkane, which at 50°C has a vapor pressure of less than 3 bar, and/or with at least one partially fluorinated ether.
Deger Hans-Matthias
Schutz Claudia
Fetherstonhaugh & Co.
Hoechst Aktiengesellschaft
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