C - Chemistry – Metallurgy – 08 – K
Patent
C - Chemistry, Metallurgy
08
K
C08K 5/15 (2006.01) C08K 5/1545 (2006.01) C08L 71/00 (2006.01) C08L 75/08 (2006.01)
Patent
CA 2099668
2099668 9310178 PCTABS00022 6-chromanol derivatives are used as antioxidants in polyethers. These, particularly in conjunction with other antioxidants, provide excellent protection against oxidation at very low levels of use. They are particularly useful in polyethers for preparing polyurethane slabstock foam.
Smart & Biggar
The Dow Chemical Company
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