Claims Analysis
Total Claims: 19
Claim 1
Independent Claim
72 words
A substantially anhydrous, free-flowing alkali blue pigmentary composition, the pigmentary particles thereof coprecipitated with at least one aqueous alkaline soluble organic dispersant of the anionic class, said coprecipitated dispersant containing at least eight carbon atoms and insoluble in water, said coprecipitated pigmentary particles and dispersant combination further admixed with a water-insoluble organic hydrophobic oil phase of a quantity sufficient to substantially reduce hydrophilic aggregation of said coprecipitate during drying by water removal.
Claim 2
Dependent Claim
72 words
A substantially anhydrous, free-flowing alkali blue pigmentary composition, the pigmentary particles thereof coprecipitated with at least one aqueous alkaline soluble organic dispersant of the anionic class, said coprecipitated dispersant containing at least eight carbon atoms and insoluble in water, said coprecipitated pigmentary particles and dispersant combination further admixed with a water-insoluble organic hydrophobic oil phase of a quantity sufficient to substantially reduce hydrophilic aggregation of said coprecipitate during drying by water removal.
Claim 3
Dependent Claim
26 words
The product of claim 1 wherein the coprecipitated organic anionic dispersants constitute between about 5% and about 20% by weight of the alkali blue pigmentary composition.
Claim 4
Dependent Claim
25 words
The product of claim 1 wherein the water insoluble hydrophobic oil phase constitutes from 2% to 45% by weight of the alkali blue pigmentary composition.
Claim 5
Dependent Claim
49 words
The product of claim 1 wherein the alkali blue pigment solids are at least 50% by weight, the precipitated organic dispersants constitute between about 5% and about 20% by weight, and the hydrophobic oil phase is from about 2% to about 45% by weight of the said pigmentary composition.
Claim 6
Dependent Claim
30 words
The product of claim 1 wherein the organic dispersants comprise water-insoluble soap acids selected from the group consisting of rosin, hydrogenated rosin, vegetable oil fatty acids and sulfated vegetable oils.
Claim 7
Dependent Claim
14 words
The product of claim 4 wherein the organic dispersants comprise tall oil fatty acids.
Claim 8
Dependent Claim
13 words
The product of claim 4 wherein the organic dispersants comprise rosin fatty acids.
Claim 9
Dependent Claim
18 words
The product of claim 4 wherein the organic dispersant comprises a sulfated vegetable oil in the acid form.
Claim 10
Dependent Claim
17 words
The product of claim 8 wherein the sulfated vegetable oil in acid form is turkey red oil.
Claim 11
Dependent Claim
23 words
The product of claim 1 wherein the organic dispersant comprises the polyoxyethylene alcohol ester of phosphoric acids (known in the art as Gafac).
Claim 12
Dependent Claim
23 words
The product of claim 1 wherein at least one organic dispersant therein comprises N-substituted amino acids (known in the art as Armeen Z).
Claim 13
Dependent Claim
22 words
The product of claim 9 wherein a second dispersant present with said soap acids is a polyoxyethylene alcohol ester of phosphoric acid.
Claim 14
Dependent Claim
22 words
The product of claim 11 wherein the organic dispersants consist essentially of rosin acids and the polyoxyethylene alcohol esters of phosphoric acids.
Claim 15
Dependent Claim
23 words
The composition of claim 1 wherein the alkali blue pigment solids constitutes from 50% to 90% by weight of the total final product.
Claim 16
Independent Claim
142 words
The method of production of an easy dispersing, dry, free-flowing alkali blue pigmentary composition of at least about 50% pigment solids which comprises adding at least one water-soluble organic dispersant of the anionic class to an aqueous alkaline solution of said pigment the organic moiety of which dispersant precipitates out of solution upon acidification, coprecipitating said alkali blue pigment and said dispersant by acidification, heat treating the coprecipitate before drying at a temperature of from about 60° C. to about 120° C. for a time, but less than 60 minutes at a temperature above 100° C.; subsequent to said coprecipitation adding to said water-wetted mass and admixing therein a quantity but not in excess of about 45% by weight of the pigmentary product of a water-insoluble organic hydrophobic oil phase and drying and recovering said pigmentary product in a substantially water-free state.
Claim 17
Independent Claim
142 words
The method of production of an easy dispersing, dry, free-flowing alkali blue pigmentary composition of at least about 50% pigment solids which comprises adding at least one water-soluble organic dispersant of the anionic class to an aqueous alkaline solution of said pigment the organic moiety of which dispersant precipitates out of solution upon acidification, coprecipitating said alkali blue pigment and said dispersant by acidification, heat treating the coprecipitate before drying at a temperature of from about 60° C. to about 120° C. for a time, but less than 60 minutes at a temperature above 100° C.; subsequent to said coprecipitation adding to said water-wetted mass and admixing therein a quantity but not in excess of about 45% by weight of the pigmentary product of a water-insoluble organic hydrophobic oil phase and drying and recovering said pigmentary product in a substantially water-free state.
Claim 18
Dependent Claim
25 words
The method of claim 15 wherein the organic anionic dispersant is between about 5% and about 20% by weight of the alkali blue pigmentary composition.
Claim 19
Dependent Claim
50 words
The method of claim 15 wherein the alkali blue pigment solids are at least 50% by weight, the precipitated organic dispersant comprises from about 5% to 20% by weight and the hydrophobic oil phase is from about 2% to about 45% by weight of the final substantially water-free pigmentary composition.