Granular detergent compositions

Claim 2

THE PROCESS OF IMPROVING THE RESISTANCE TO CHANGE, DURING STORAGE UNDER HUMID ATMOSPHERIC CONDITIONS, IN THE FREE-FLOWING AND NON-CAKING CHARACTER OF FRESHLY SPRAY DRIED GRANULAR DETERGENT COMPOSITIONS CONSISTILNG ESSENTIALLY OF A WATER SOLUBLE ANIONIC SYNTHETIC DETERGENT OF THE SULFURIC REACTION PRODUCT TYPE AND HYDRATABLE ALKALI METAL PHOSPHATES CONSISTING ESSENTIALLY OF A MIXTURE OF TRIPOLYPHOSPHATE, PYROPHOSPHATES, AND ORTHOPHOSPHATES, WHICH COMPRISES AGITATING SAID SPRAY DRIED GRANULES AND SIMULTANEOUSLY SPRAYING ON THE SURFACE THEREOF AN AQUEOUS SOLUTION CONTAINING AT LEAST ONE INORGANIC SULFATE OF A POLYVALENT METAL SELECTED FROM THE GROUP CONSISTING OF MAGNESIUM, ZINC, AND ALUMINUM, IN AMOUNT EQUIVALENT TO FROM ABOUT 1% TO ABOUT 10% OF ANHYDROUS INORGANIC SULFATE BASED ON THE SPRAY DRIED GRANULES AND SUFFICIENT TO RAISE THE MOISTURE CONTENT OF THE COMPOSITION TO AN AMOUNT WITHIN THE RANGE OF ABOUT 12% TO ABOUT 25%.

Claim 3

A SPRAY DRIED HEAVY-DUTY SYNTHETIC DETERGENT GRANULE POSSESSING IMPROVED RESISTANCE TO CHANGE, DURING STORAGE UNDER HUMID ATMOSPHERIC CONDITIONS, IN THE FREE-FLOWING AND NON-CAKING CHARACTER OF THE FRESHLY SPRAY DRIED GRANULE DETERGENT COMPOSITIONS, CONSISTING ESSENTIALLY FROM ABOUT 20% TO ABOUT 40% BY WEIGHT OF WATER SOLUBLE ANIONIC SYNTHETIC DETERGENT OF THE SULFURIC REACTION PRODUCT TYPE, FROM ABOUT 10% TO ABOUT 60% BY WEIGHT OF ALKALI METAL PHOSPHATES INCLUDING SODIUM TRILPOLYPHOSPHATE AND THE PYROPHOSPHATE AND ORTHOPHOSPHATE REVERSION PRODUCTS THEREOF, FROM ABOUT 12% TO ABOUT 25% MOISTURE, AND FROM ABOUT 10% TO ABOUT 30% BY WEIGHT OF SODIUM SULFATE, SAID GRANULES BEING CHARACTERIZED BY A COATING COMPRISING HYDRATED DOUBLE SALTS OF SAID PHOSPHATES FORMED FROM SODIUM AND FROM AT LEAST ONE POLYVALENT METAL SELECTED FROM THE GROUP CONSISTING OF MAGNESIUM, ZINC, AND ALUMINUM, THE AMOUNT OF POLYVALENT METAL PRESENT BEING EQUIVALENT TO AN AMOUNT OFF ANHYDROUS SULFATE OF SAID METAL WITHIN THE RANGE OF ABOUT 1% TO ABOUT 10%.

Claim 4

A SPRAY DRIED HEAVY-DUTY SYNTHETIC DETERGENT GRANULE POSSESSING IMPROVED RESISTANCE TO CHANGE, DURING STORAGE UNDER HUMID ATMOSPHERIC CONDITIONS, IN THE FREE-FLOWING AND NON-CAKING CHARACTER OF THE FRESHLY SPRAY DRIED GRANULE DETERGENT COMPOSITIONS, CONSISTING ESSENTIALLY FROM ABOUT 20% TO ABOUT 40% BY WEIGHT OF WATER SOLUBLE ANIONIC SYNTHETIC DETERGENT OF THE SULFURIC REACTION PRODUCT TYPE, FROM ABOUT 10% TO ABOUT 60% BY WEIGHT OF ALKALI METAL PHOSPHATES INCLUDING SODIUM TRILPOLYPHOSPHATE AND THE PYROPHOSPHATE AND ORTHOPHOSPHATE REVERSION PRODUCTS THEREOF, FROM ABOUT 12% TO ABOUT 25% MOISTURE, AND FROM ABOUT 10% TO ABOUT 30% BY WEIGHT OF SODIUM SULFATE, SAID GRANULES BEING CHARACTERIZED BY A COATING COMPRISING HYDRATED DOUBLE SALTS OF SAID PHOSPHATES FORMED FROM SODIUM AND FROM AT LEAST ONE POLYVALENT METAL SELECTED FROM THE GROUP CONSISTING OF MAGNESIUM, ZINC, AND ALUMINUM, THE AMOUNT OF POLYVALENT METAL PRESENT BEING EQUIVALENT TO AN AMOUNT OFF ANHYDROUS SULFATE OF SAID METAL WITHIN THE RANGE OF ABOUT 1% TO ABOUT 10%.