1. A CONTINUOUS PROCESS FOR THE PREPARATION OF ALKYLATED ALKYLOL UREA RESIN WHICH COMPRISES AT LEAST FOUR STAGES, STAGE A COMPRISING FORMING AN AQUEOUS MIXTURE (1) OF UREA, ALIPHATIC ALDEHYDE SELECTED FROM THE CLASS CONSISTING OF FORMALDEHYDE, PARAFORMALDEHYDE, AND ACETALDEHYDE, AND IN ALIPHATIC MONOHYDRIC ALCOHOL HAVING UP TO 4 CARBON ATOMS; CONTINUOUSLY INTRODUCING SAID MIXTURE (1) INTO THE TOP PORTION OF A REACTION VESSEL, SIMULTANEOUSLY WITHDRAWING REACTION PRODUCT FROM SAID REACTION VESSEL, DISTILLING SAID ALCOHOL AND WATER FROM STAGE A REACTION VESSEL AND RETURNING SAID ALCOHOL TO SAID STAGE A REACTION VESSEL; STAGE B OF SAID PROCESS COMPRISING CONTINUOUSLY FORMING A MIXTURE (2) OF EFFLUENT FROM STAGE A, ACID CATALYST, ALIPHATIC MONOHYDRIC ALCOHOL AND A PORTION OF THE REACTION PRODUCT OF SAID B FROM THE BOTTOM PORTION OF THE REACTION VESSEL OF SAID STAGE B, CONTINUOUSLY PASSING SAID MIXTURE (2) THROUGH A HEAT EXCHANGER INTO THE TOP PORTION OF SAID STAGE B REACTION VESSEL, CONTINUOUSLY DISTILLING WATER AND SAID ALCOHOL FROM SAID STAGE B REACTION VESSEL AND RETURNING SAID ALCOHOL TO SAID STAGE B REACTION VESSEL, CONTINUOUSLY PASSING ANOTHER PORTION OF THE REACTION PRODUCT OF STAGE B TO STAGE C; STAGE C OF SAID PROCESS COMPRISING CONTINUOUSLY FORMING A MIXTURE (3) OF EFFLUENT FROM SAID STAGE B, ALIPHATIC MONOHYDRIC ALCOHOL, AND APORTION OF A REACTION PRODUCT OF SAID STAGE C FROM THE BOTTOM PORTION OF THE REACTION VESSEL OF SAID STAGE C, CONTINUOUSLY PASSING SAID MIXTURE (3) THROUGH A HEAT EXCHANGER INTO THE TOP PORTION OF SAID STAGE C REACTION VESSEL, CONTINUOUSLY DISTILLING WATER AND SAID ALCOHOL FROM SAID STAGE C REACTION VESSEL AND