IP Library › Granted Patent US 7,098,254
Granted Patent B2
US 7,098,254 · App. 10/910,814 · Granted Aug 29, 2006

Foam premixes having improved processability

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Quick Facts
Patent No.
US 7,098,254
App. No.
10/910,814
Granted
Aug 29, 2006
Kind
B2
Abstract

A method for improving the processability of foam premixes containing HFC and/or pentane-based blowing agents in polyols is provided, which method comprises adding trans-1,2-dichloroethylene to said premix in an amount effective to enhance said processability.

Claims (2)

1. A method for improving the processabiity of foam premixes containing polyols and a hydrofluorocarbon blowing agent consisting of 1,1,1,3,3-pentafluorobutane as the sole hydrofluorocarbon blowing agent, which method comprises adding trans-1,2-dichloroethylene to said premix in an amount effective to enhance said processability of the premix.

2. The method of claim 1 wherein the polyol is a polyester polyol.

Assignments (1)
CHANGE OF NAME Recorded Nov 15, 2004
From: ATOFINA CHEMICALS, INC.
To: ARKEMA INC.
Reel/Frame 015394/0628 →