Epoxide, diphenolic acid aldehyde condensates

Claim 1

A COMPOSITION OF MATTER COMPRISING THE CONDENSATION PRODUCT OBTAINED BY HEATING (A) AN ORGANIC POLYEPOXIDE HAVING AN AVERAGE OF MORE THAN ONE EPOXIDE GROUP PER MOLECULE WHEREIN THE SPOXY OXYGEN ATOM IS LINKED TO ADJACENT CARBON ATOMS AND (B) A POLYCARBOXYLIC ACID WHICH IS A FUSIBLE CONDENSATE OF (A) A LOW MOLECULAR WEIGHT MONO-ALDEHYDE AND (B) A 4,4-BIS(HYDROXYARYL) PENTANOIC ACID WHEREIN THE HYDROXYARYL RADICAL IS A MEMBER OF THE GROUP CONSISTING OF UNSUBSTITUTED HYDROXYPHENYL AND RING SUBSTITUTED HYDROXYPHENYL WHEREIN THE HYDROXY GROUP OF SAID MEMBER IS IN A POSITION OTHER THAN ONE META TO THE POINT OF ATTACHMENT OF SAID MEMBER TO THE PENTANIOC ACID, AND SUBSTITUENTS ON THE HYDROXYPHENYL BEING A MEMBER SELECTED FROM THE GROUP SONSISTING OF CHLORO, BRONO, NITRO AND ALKYL GROUPS OF FROM 1-5 CARBON ATOMS, WITH SAID HYDROXYPHENYL RADICAL HAVING HYDROGEN ON AT LEAST ONEPOSITION OTHER THAN ONE META, IN RELATION TO THE HYDROXY GROUP WHEREIN THE RATIO OF (A) TO (B) IS FROM 0.5-4 MOLES OF (A) PER MOLE OF (B); AND WHEREIN THE REACTIVE FUNCTIONAL GROUPS OF (A) AND (B) ARE PRESENT IN AN EQUIVALENT RATIO OF FROM 6:1 TO 1:6.