Patent Number: 6,310,111

Title: Blowing agent blends

Abstract: Foam blowing agents blends of 5-50 mole % HCFC-22 and 95-50 mole % of n-pentane, i-pentane and/or cyclopentane are provided, as are polyol premixes and polyurethane foam compositions containing such blends.

Inventors: Wu; Jinhuang (King of Prussia, PA), Dillon; Douglas R. (Norristown, PA)

Assignee: Atofina Chemicals, Inc.

International Classification: C08J 9/00 (20060101); C08J 9/14 (20060101); C08J 009/14 (); C08G 018/06 ()

Expiration Date: 10/30/2018