Polyurethane of a polyisocyanate, an active hydrogen compound and a hydroxyaryl-aliphatic acid-aldehyde condensate and method of preparing same

Claim 1

8. A COMPOSITION OF MATTER COMPRISING THE CELLULAR REACTION PRODUCT OF (A) AN ORGANIC POLYISOCYANATE, (B) AN ORGANIC 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 WHICH ARE THE RACTION PRODUCTS OF POLYTHDRIC ALCOHOLS AND POLYCARBOXYLIC ACIDS, POLYHYDRIC ALCOHOLS, POLYHDRIC PHENOLS, POLYAMINES, POLYAMIDES, POLYCARBOXYLIC ACIDS, MIXTURES, THEREOF AND ANY OF THE ABOVE COMPOUNDS IN WHICH AT LEAST ONE OXYGEN ATOM HAS BEEN REPLACED BY SULFUR, (C) A RESINOUS POLYCARBOXYLIC ACID WHICH IS THE CONDENSATION PRODUCT OF (A) FORMALDEHYDE AND (B) A PENTANOIC ACID CONSISTING ESSENTIALLY OF 4,4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 WITH SAID HYDROXYPHENYL RADICAL HAVING HYDROGEN ON AT LEAST ONE POSITION ORTHO TO THE HYDROXYL, WHEREIN THE RATIO OF (A) TO (B) IS FROM 1-4 MOLES OF (A) PER MOL OF (B); WHEREIN (A) AND (B) + (C) ARE PRESENT ON AN EQUIVALENT RATIO OF FROM ABOUAT 5:1 TO 1:5 WITH (B) CONSITUTING FROM 5-65% OF (B) + (C), AND (D) UP TO ABOUT 5% OF (A), (B) AND (C) OF WATER.