Ketone-aldehyde-phenol-aldehyde potentially reactive resinous composition

Claim 1

RESINOIDS COMPRISING THE REACTION PRODUCT, CARRIED TO A POINT SHORT OF GELATION, BETWEEN A KETONE-ALDEHYDE AND A POTENTIALLY REACTIVE PHENOL-ALDEHYDE CONDENSATION PRODUCT, SAID KETONE-ALDEHYDE CONDENSATION PRODUCT BEING USED IN THE PROPORTION OF BETWEEN 50 AND 95% ON THE COMBINED WEIGHTS OF SAID CONDENSATION PRODUCTS AND SELECTED FROM THE CLASS CONSISTING OF FUSIBLE, SOLUBLE, LOW MOLECULAR WEIGHT SUBSTANITALLY NONVOLATILE CONDENSATION PRODUCTS CAPABLE OF YIELDING DISTILLABLE AND CRYSTALLIZABLE ACETYLATION PRODUCTS CAPABLE OF CONDENSATION IN THE PRESENCE OF SODIUM HYDROXIDE TO READILY YIELD A HIGH MOLECULAR WEIGHT INSOLUBLE AND INFUSIBLE MATERIAL AND PRODUCEED BY REACTING A KETONE HAVING THE GENERAL FORMULA CH3-CO-R'', WHEREIN R'' REPRESENTES AN UNSUBSTITUTED ALIPHATIC RADICAL HAVING FROM ONE TO FOUR CARBON ATOMS, WITH AN ALDEHYDE HAVING THE GENERAL FORMULA R" -CHO, WHEREIN R" REPRESENTS A MEMBER SELECTED FORM THE GROUP CONSISTING OF HYDROGEN AND UNSUBSTITUTED ALIPHATIC RADICALS HAVING FROM ONE TO FOUR CARBON ATOMS, SAID REACTION BETWEEN SAID KETONE AND SAID ALDEHYDE BEING CARRIED OUT IN THE PRESENCE OF AN ALKALINE CATALYST UNTIL SUBSTANTIALLY ALL THE ALDEHYDE IS CONSUMED, AN ACIDIC CATALYST BEING THEN ADDED TO EFFECT FURTHER REACTION WHILE MAINTAINING ACID CONDITIONS.