Blowing agent blends
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Issued Date -
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app pub date -
Feb 20, 2001
filing date -
Mar 15, 2000
priority date (Note) -
Abandoned
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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 compositi ons containing such blends.
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