Polyurethane of a polyisocyanate, an active hydrogen compound, and a hydroxyaryl aliphatic acid

Claim 1

A COMPOSITION OF MATTER COMPRISING THE POLYMERIC REACTION PRODUCT OF (A) A COMPOUND OF THE GENERAL FORMULA R(NCX)Z9 WHEREIN R IS AN ORGANIC RADICAL HAVING A VALENCY EQUAL TO Z, X IS A CHALOGEN HAVING AN ATOMIC WEIGHT OF LESS THAN 33 AND Z IS AN INTEGER HAVING A VALUE OF MORE THAN 1, (B) A COMPOUND CONTAINING AT LEAST TWO ACTIVE HYDROGEN ATOMS, EACH OF SAID ACTIVE HYDROGEN ATOMS BEING PRESENT IN A COMPOUND SELECTED FROM THE GROUP CONSISTING OF POLYESTERS, POLYHYDRIC ALCOHOLS, POLYHYDRIC PHENOLS, IN WHICH THE ACTIVE HYDROGEN APPEARS IN FUNCTIONAL GROUPS CONSISTING OF HYDROXYL GROUPS, POLYAMINES, POLYAMIDES, POLYCARBOXYLIC ACIDS, WATER, MIXTURES THEREOF AND ANY OF THE ABOVE COMPOUNDS IN WHICH AT LEAST ONE OXYGEN ATOM HAS BEEN REPLACED BY SULFUR AND (C) A PENTANOIC ACID CONSISTING ESSENTIALLY OF 4,4 BIS(4-HYDROXYARYL)PENTANOIC ACID WHEREIN THE HYDROXYARYL RADICAL IS A HYDROXYPHENYL RADICAL AND IS FREE FROM SUBSTITUENTS OTHER THAN ALKYL GROUPS OF FROM 1-5 CARBON ATOMS, WHEREIN THE REACTIVE FUNCITONAL GROUPS OF (A) AND (B)+(C) ARE PRESENT IN AN EQUIVALENT RATIO OF FROM ABOUT 5:1 TO 1:5 WITH (B) CONSTITUTING FROM 565% BY WEIGHT OF (B)+(C).