Resorcinol formaldehyde adhesive

Claim 1

AN ADHESIVE CEMENT COMPRISING AT LEAST 1000 PARTS OF A SOLVENT HAVING STABLY DISPERSED THEREIN A PARTIAL CONDENSATION PRODUCT OF 100 PARTS OF A MIXTURE CONTAINING ONE MOL OF RESORCINOL AND APPROXIMATELY 2 MOLS OF FORMALDEHYDE, THE CONDENSATION HAVING BEEN EFFECTED BY HEATING AT FROM 50*C. TO 90*C. UNTIL ABOUT 5 MINUTES BEFORE THE TIME AT WHICH THE MIXTURES WOULD GEL IN THE PRESENCE OF FROM 150 TO ABOUT 250 PARTS OF SOLVENT SELECTED FROM THE GROUP CONSISTING OF LOWER ALKYL KETONES CONTAINING FROM 4 TO 12 CARBON ATOMS AND CYCLOHEXANONE AND OF AN AKALINE CATALYST SELECTED FROM THE GROUP CONSISTING OF POTASSIUM, SODIUM AND LITHIUM HYDROXIDES EMPLOYED IN AMOUNTS MOLECULARLY EQUIVALENT TO FROM 0.5 PART TO 2.0 PARTS OF POTASSIUM HYDROXIDE AND SAID ALKALINE CATALYSTS HAVING BEEN INTRODUCED IN AQUEOUS SOLUTION ALONG WITH THE