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US 4,361,664 AGranted
Flame-retardant polymer compositions
AssigneeBorg-Warner Chemicals, Inc.
InventorYuval Halpern
Life of this patent
Estimating the term…
Abstract
Polymer compositions containing minor proportions of a 5,5-bis-(halomethyl)-2-hydroxy-2-oxo-1,3,2-dioxaphosphorinane. The halo atom may be either chlorine or bromine.
Claims11
A composition comprising a normally flammable polymer selected from the class consisting of olefin polymers and styrenic polymers and a minor proportion, sufficient to impart flame-retardant properties to said composition, of 5,5-bis(bromomethyl)-2-hydroxy-2-oxo-1,3,2-dioxaphosphorinane.
Dependencies are inferred from the claim text.