05.17.07
Patent No. U.S. 7,125,932 B2
E.I. du Pont Nemours and Company has obtained a patent for a polyol prepared by reacting together polyhydroxy-tertiary amine with organic polyisocyanate, the polyhydroxyl-tertiary amine having at least two hydroxyl groups being bonded indirectly to a nitrogen atom of the amine through a chain containing at least two carbon atoms, essentially all of the isocyanate groups of the organic polyisocyanate being reacted with hydroxyl groups of the amine.
E.I. du Pont Nemours and Company has obtained a patent for a polyol prepared by reacting together polyhydroxy-tertiary amine with organic polyisocyanate, the polyhydroxyl-tertiary amine having at least two hydroxyl groups being bonded indirectly to a nitrogen atom of the amine through a chain containing at least two carbon atoms, essentially all of the isocyanate groups of the organic polyisocyanate being reacted with hydroxyl groups of the amine.