Filter for a dry cleaning apparatus

Claim 1

A FILTER FOR LIQUIDS COMPRISING A SUPPORT MEANS ADAPTED TO INTERCEPT THE FLOW OF SAID LIQUIDS, FIRST MEANS CARRIED BY SAID SUPPORT MEANS AND RETAINABLE THEREWITH FOR DECONTAMINATING SAID LIQUIDS, AND SECOND MEANS CARRIED BY SAID SUPPORT MEANS AND VARIABLE DISPENSABLE THEREFROM AS AN ADDITIVE TO SAID LIQUIDS, SAID SECOND MEANS COMPRISING A PLURALITY OF ADDITIVE FILLED CAPSULES FOR DISPENSING ADDITIVE GRADUALLY INTO SAID LIQUIDS, ONE OF SAID CAPSULES HAVING AN ENCAPSULATING MATERIAL SOLUBLE IN SAID LIQUIDS IN A TIME INTERVAL DIFFERENT FROM THAT OF THE ENCAPSULATING MATERIAL OF THE OTHER OF SAID CAPSULES, THEREBY TO CAUSE THE ADDITIVE IN SAID ONE OF SAID CAPSULES TO BE DISPENSED INTO SAID LIQUIDS AFTER THE ADDITIVE IN THE OTHER OF SAID CAPSULES TO MAINTAIN THE CONCENTRATION LEVEL OF SAID ADDITIVE IN SAID LIQUIDS THROUGHOUT THE LIFE OF SAID FILTER.