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US 3,943,196 AGranted
Alkoxy derivatives of the adduct from phosphorus oxychloride and hexamethylphosphoramide
AssigneeThe United States of America as represented by the Secretary of the Navy
InventorRobert M. Murch
Life of this patent
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Abstract
The adduct of phosphorous oxychloride and hexamethylphosphoramide and alkoxy derivatives thereof useful for enhancing the fire retardancy of polyesters and a method of enhancing the fire retardancy of general purpose polyester resins through the combination therewith of an alkoxy derivative of the adduct of phosphorous oxychloride and hexamethylphosphoramide.
Claims3
A compound having the formula:
- (RO).sub.3 P(O).(Me.sub.2 N).sub.3 PO, wherein R = ClCH.sub.2 CH.sub.2, Cl.sub.3 CCH.sub.2, Cl.sub.3 CCH.sub.2 CH.sub.2 (ClCH.sub.2).sub.2 CH, CH.sub.2 BrCHBrCH.sub.2, C.sub.2 H.sub.5 and CH.sub.3.
Dependencies are inferred from the claim text.