Method of preparedg washing

Claim 1

THE PROCESS OF PRODUCING A PARTICULATE DETERGENT COMPOSITION CONSISTING ESSENTIALLY OF A NUCLEUS OF INORGANIC MATERIAL AND COATING OF A RELATIVELY NEUTRAL, REACTION-SET SALT OF A SYNTHETIC ORGANIC, ACIDIC WETTING AGENT, WHICH COMPRISES: SPRAYING SOLID PARTICULATE INORGANIC ALKALINE MATERIAL WHICH SERVES AS A DETERGENT BUILDER WITH ABOUT 0.5-50% BY WEIGHT, BASED ON THE WEIGHT OF THE REACTION MIXTURE, OF A SUBSTANTIALLY ANHYDROUS NORMALLY SLOW-REACTING MEMBER OF THE CLASS CONSISTING OF HIGHER ALKYL ARYL SULFONIC ACIDS, HIGHER ALKYL SULFONIC ACIDS, HIGHER ALKYL SULFURIC ACID ESTERS, THE ALKYL GROUPS IN SAID SULFONIC ACIDS AND SAID SULFURIC ACID ESTERS CONTAINING ABOUT 12-18 CARBON ATOMS AND ADMIXTURES THEREOF IN THE PRESENCE OF AT LEAST ABOUT 20% BY WEIGHT, BASED ON THE WEIGHT OF SAID REACTING MEMBERS, OF A SUBSTANTIALLY ANHYDROUS REACTION PROMOTING LIQUID CONSISTING ESSENTIALLY OF A MEMBER OF THE GROUP CONSISTING OF LOWER ALKYLENE GLYCOLS HAVING ABOUT 2-4 CARBON ATOMS, LOWER ALKYL ALCOHOLS HAVING ABOUT 1-4 CARBON ATOMS, CONCENTRATED SULFURIC ACID, AND ADMIXTURES THEREOF, WHEREBY SAID MEMBER IS COMPLETELY REACTED WITH SAID ALKALINE MATERIAL DURING A PERIOD OF UP TO ABOUT 5 MINUTES AND A DRY, SOLID, COATED, FINELY DIVIDED DETERGENT COMPOSITION IS PRODUCED AT ONCE DURING THE NEUTRALIZATION REACTION.