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US 4,798,881 AGranted
Novel poly(arylene ether-amide) polyols and their application in polyurethane polymers
AssigneeAshland Oil, Inc.
InventorAnil B. Goel
Life of this patent
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Abstract
A process for preparing novel poly(arylene ether-amide) polyols and their use in the formation of polyurethanes wherein the poly(arylene ether-amide) polyols are formed by reaction of a bicyclic amide acetal with a polyphenolic compound are described.
Claims11
The process for preparing a polyurethane comprising copolymerizing a mixture of poly(arylene ether-amide), produced by the reaction of a bicyclic amide acetal and a polyphenolic compound, and a polyisocyanate.
Dependencies are inferred from the claim text.