Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
139 words
A process for retarding or preventing the setting of a miscible and pumpable crutcher slurry which is suitable for spray drying to base beads for a built nonionic detergent composition, which slurry comprises from 55 to 75% of solids and 45 to 25% of water, and comprises from 10 to 40% of a water softening zeolite, 30 to 50% of water soluble salt(s) selected from the group consisting of sodium bicarbonate, sodium carbonate, sodium sesquicarbonate, sodium sulfate and sodium silicate, and mixtures thereof, with the content of sodium silicate being no more than 2%, and 2 to 10% of a swelling bentonite, which comprises preparing a crutcher slurry which is of the described composition and which contains from 0.5 to 5% of magnesium sulfate, and 0% of citric material and mixing such composition in a crutcher during preparation thereof.
Claim 2
Dependent Claim
139 words
A process for retarding or preventing the setting of a miscible and pumpable crutcher slurry which is suitable for spray drying to base beads for a built nonionic detergent composition, which slurry comprises from 55 to 75% of solids and 45 to 25% of water, and comprises from 10 to 40% of a water softening zeolite, 30 to 50% of water soluble salt(s) selected from the group consisting of sodium bicarbonate, sodium carbonate, sodium sesquicarbonate, sodium sulfate and sodium silicate, and mixtures thereof, with the content of sodium silicate being no more than 2%, and 2 to 10% of a swelling bentonite, which comprises preparing a crutcher slurry which is of the described composition and which contains from 0.5 to 5% of magnesium sulfate, and 0% of citric material and mixing such composition in a crutcher during preparation thereof.
Claim 3
Dependent Claim
119 words
A process according to claim 1 wherein the crutcher slurry comprises from 60 to 72% of solids and 40 to 28% of water, and comprises from 20 to 35% of a hydrated crystalline zeolite, 35 to 45% of water soluble salt(s) selected from the group consisting of sodium bicarbonate, sodium carbonate, sodium sesquicarbonate, sodium sulfate and sodium silicate, and mixtures thereof, of which 15 to 25% is sodium bicarbonate and 10 to 20% is sodium carbonate, 3 to 8% of bentonite and 1 to 3% of magnesium sulfate, the temperature of the slurry is in the range of 20° to 70° C. and mixing is continued for at least one hour after completion of the making of the slurry.
Claim 4
Dependent Claim
76 words
A process according to claim 2 wherein the bentonite is a western bentonite and the slurry is at a temperature in the range of 25° to 50° C., contains from 0.1 to 0.6% of sodium polyacrylate and is free of sodium sulfate, sodium silicate and citric material, and wherein at least a part of the crutcher mix is pumped out of the crutcher to a spray drying tower and is spray dried therein after said mixing.
Claim 5
Dependent Claim
48 words
A process according to claim 3 wherein the crutcher slurry, with magnesium sulfate incorporated therein, consists of about 31% of water, 27% of zeolite A, 21% of sodium bicarbonate, 15% of sodium carbonate, 4% of bentonite, 0.4% of sodium polyacrylate, 0.2% of pigment and 1% of magnesium sulfate.
Claim 6
Dependent Claim
107 words
A miscible and pumpable crutcher slurry which is suitable for spray drying to base beads useful for the manufacture of a built nonionic detergent composition, which slurry comprises from 55 to 75% of solids and 45 to 25% of water and comprises from 10 to 40% of a water softening zeolite, 30 to 50% of water soluble salt(s) selected from the group consisting of sodium bicarbonate, sodium carbonate, sodium sesquicarbonate, sodium sulfate and sodium silicate, and mixtures thereof, with the content of sodium silicate being no more than 2%, 2 to 10% of a swelling bentonite, 0.5 to 5% of magnesium sulfate and 0% of citric material.
Claim 7
Dependent Claim
107 words
A miscible and pumpable crutcher slurry which is suitable for spray drying to base beads useful for the manufacture of a built nonionic detergent composition, which slurry comprises from 55 to 75% of solids and 45 to 25% of water and comprises from 10 to 40% of a water softening zeolite, 30 to 50% of water soluble salt(s) selected from the group consisting of sodium bicarbonate, sodium carbonate, sodium sesquicarbonate, sodium sulfate and sodium silicate, and mixtures thereof, with the content of sodium silicate being no more than 2%, 2 to 10% of a swelling bentonite, 0.5 to 5% of magnesium sulfate and 0% of citric material.
Claim 8
Dependent Claim
99 words
A slurry according to claim 5 which is at a temperature in the range of 20° to 70° C. and which comprises from 60 to 72% of solids and 40 to 28% of water, and comprises from 20 to 35% of a hydrated crystalline zeolite, 35 to 45% of water soluble salt(s) selected from the group consisting of sodium bicarbonate, sodium carbonate, sodium sesquicarbonate, sodium sulfate and sodium silicate, and mixtures thereof, of which 15 and 25% is sodium bicarbonate and 10 to 20% is sodium carbonate, 3 to 8% of bentonite and 1 to 3% of magnesium sulfate.
Claim 9
Dependent Claim
47 words
A slurry according to claim 6 wherein the bentonite is a western bentonite and the slurry is at a temperature in the range of 25° to 50° C., contains from 0.1 to 0.6% of sodium polyacrylate and is free of sodium sulfate, sodium silicate and citric material.
Claim 10
Dependent Claim
40 words
A slurry according to claim 7 which consists of about 31% of water, 27% of zeolite A, 21% of sodium bicarbonate, 15% of sodium carbonate, 4% of bentonite, 0.4% of sodium polyacrylate, 0.2% of pigment and 1% of magnesium sulfate.
Claim 11
Dependent Claim
70 words
A process for making spray dried base beads suitable for conversion to a built nonionic detergent composition by spraying of normally solid nonionic detergent in liquid state onto moving surfaces of such beads, which comprises making a crutcher slurry in accordance with claim 5 and spray drying it in a heated drying gas to produce spray dried beads of particle sizes in the range of No's. 10-100, U.S. Sieve Series.