C - Chemistry – Metallurgy – 07 – F
Patent
C - Chemistry, Metallurgy
07
F
403/18, 400/7066
C07F 9/40 (2006.01) C08G 2/30 (2006.01) C08J 9/00 (2006.01) C08K 5/53 (2006.01) C08K 5/5333 (2006.01)
Patent
CA 1080247
Abstract of the Disclosure Polyoxymethylene diphosphonates having the formula Image wherein the R groups are the same or different and are selected from alkyl, haloalkyl, hydroxyalkyl, or (R1 and R2 or(R3 and R4) are joined together to form a ring structure are disclosed. These compounds are useful as flame retardants for organic resins in general, and especially for foamed polyurethane resins.
258996
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