Cleaning device and method of making same

Claim 1

A CLEANING DEVICE COMPRISING, A MULTI-CELLULAR SPONGEOUS BODY OF POROUS ELASTIC MATERIAL HAVING COMMUNICATING CELLS ARRANGED THEREIN AND AN OUTER SURFACE OF EXPOSED CELLS, SAID BODY BEING OF A SIZE TO BE HANDLED IN A PERSON''S HAND, A DETERGENT AND WAX COMPOSITION FILING THE CELLS IN A DISTINCT CENTRAL PORTION OF SAID S GEOUS BODY SPACED FROM THE OUTER SURFACE THEREOF AND THE BODY CELLS BETWEEN SAID DISTINCT PORTION AND THE OUTER SURFACE BEING SUBSTANTIALLY FREE OF THE DETERGENT AND WAX COMPOSITION AND AVAILABLE TO RECEIVE WATER IN USE, SAID DETERGENT AND WAX COMPOSITION BEING CHARACTERIZED BY BEING IN A LIQUID STATE AT TEMPERATURES OF MORE THAN 200* F. AND SUBSTANTIALLY NON-FLOWING AT TEMPERATURES BELOW 140*F. WHEREBY WHEN USED AT TEMPERATURES WHEREIN SAID COMPOSITION IS NON-FLOWING WATER ENTERING SAID SPONGEOUS BODY WILL CONTACT THE DETERGENT AND WAX COMPOSITION ONLY IN THE CELLS AT THE PERIPHERY OF SAID DISTINCT PORTION PRESENTING A LIMITED AREA OF THE COMPOSITION AND THEREBY A LIMITED RATE OF DISSOLVING AND USE OF SAID COMPOSITION, SAID DETERGENT AND WAX COMPOSITION BEING A HOMOGENEOUS MIXTURE HAVING WATER-INSOLUBLE MATERIALS AND WATER-SOLUBLE MATERIALS WHICH AS DISSOLVED WITH WATER FORMS A FLOWABLE EMULSION MOVING TO THE OUTER SURFACE OF SAID BODY IN RESPONSE TO DEFORMATION THEREOF FOR APPLICATION BY THE SPONGEOUS BODY TO THE SURFACE TO BE CLEANED AND WAXED, SAID DETERGENT AND WAX COMPOSITION INCLUDING AN ANIONIC SURFACE ACTIVE DETERGENT OF ONE OF THE GROUP OF SODIUM LAURYL SULFATE OR SODIUM SALT OF NMETHYLOLEYTAURINE, A CHELATING AND SEQUESTERING AGENT OF ONE OF THE GROUP OF CITRIC ACID AND ACETYL ACETONE, A NONIONIC SURFACE ACTIVE AGENT CONSISTING OF POLYALKYLENE GLYCOL ETHER, AND A SURFACE COATING WAX OF ONE OF THE GROUP OF SILICONE WAX, CARNAUBA WAX AND A POLYETHYLENE GLYCOL OF MOLECULAR WEIGHT OF 6000 TO 7500.