C - Chemistry – Metallurgy – 08 – L
Patent
C - Chemistry, Metallurgy
08
L
C08L 25/06 (2006.01) C08J 9/14 (2006.01)
Patent
CA 2109626
This invention relates to the use of polyfluorocarbon blowing agents in the preparation of polymer foams; particularly the use of 1,1-difluoroethane in the preparation of polystyrene foams for food packaging and food serving.
Bennett Jones Llp
E. I. Du Pont de Nemours And Company
LandOfFree
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