US4253993A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shampoo in flake form
Assignee: Procter and Gamble Co
•
Filing: 1979-05-18
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Granted: 1981-03-03
•
Expires: 1999-05-18
Abstract
Abstract A shampoo composition in the form of flakes is prepared by processing an aqueous slurry of C12-14 alkyl sulfate, C12-14 monoethanol amide, sodium sulfate and water. The processing step can be drum-drying, or flash-drying followed by roller-milling.
Inventors
- 👤 James C. Ramsey, III
- 👤 Philip J. Schoner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 10:22
CPC Classifications
A; A61; A61Q; A61Q5/00; A61Q5/02; A61K; A61K8/00; A61K8/02; A61K8/0241; A61K8/0254; A61K8/18; A61K8/19; A61K8/23; A61K8/30; A61K8/40; A61K8/42; A61K8/46; A61K8/463; C; C11; C11D; C11D1/00; C11D1/38; C11D1/52; C11D1/523; C11D1/65; C11D1/652; C11D17/00; C11D17/06
Claims Analysis
Total Claims: 24
Claim 1
Independent Claim
117 words
A shampoo composition comprising, in percentages by weight based on the total composition, from 40% to 60% sodium alkyl sulfate wherein the alkyl moiety has 12 or 14 carbon atoms; from 2% to 5% alkyl monoethanol amide wherein the alkyl moiety has 12 or 14 carbon atoms; from 20% to 50% sodium sulfate; and from 1% to 7% water; wherein said composition is in the form of flakes having a thickness of from 0.070 mm. to 0.340 mm. and a bulk density from 0.28 gm./cc. to 0.44 gm./cc.; and wherein said flakes are prepared by processing a slurry containing the aforesaid components and having a moisture content of from 45% to 75% by weight of the slurry.
Claim 2
Dependent Claim
117 words
A shampoo composition comprising, in percentages by weight based on the total composition, from 40% to 60% sodium alkyl sulfate wherein the alkyl moiety has 12 or 14 carbon atoms; from 2% to 5% alkyl monoethanol amide wherein the alkyl moiety has 12 or 14 carbon atoms; from 20% to 50% sodium sulfate; and from 1% to 7% water; wherein said composition is in the form of flakes having a thickness of from 0.070 mm. to 0.340 mm. and a bulk density from 0.28 gm./cc. to 0.44 gm./cc.; and wherein said flakes are prepared by processing a slurry containing the aforesaid components and having a moisture content of from 45% to 75% by weight of the slurry.
Claim 3
Dependent Claim
12 words
The composition of claim 1 wherein the slurry is processed by drum-drying.
Claim 4
Dependent Claim
15 words
The composition of claim 1 wherein the slurry is processed by flash-drying followed by roller-milling.
Claim 5
Dependent Claim
21 words
The composition of claim 1 which also contains from 0.1 to 1.0% by weight of the composition of a pH buffer.
Claim 6
Dependent Claim
11 words
The composition of claim 4 wherein the buffer is citric acid.
Claim 7
Dependent Claim
14 words
The composition of claim 1 which also contains from 1% to 3% sodium chloride.
Claim 8
Dependent Claim
25 words
The composition of claim 4 which also contains from 1% to 3% sodium chloride, from 0.01% to 0.10% colorant, and from 0.10% to 2.0% perfume.
Claim 9
Dependent Claim
67 words
The composition of claim 1 wherein the sodium alkyl sulfate is from 52% to 56%; the alkyl monoethanol amide is from 3% to 4%; the sodium sulfate is from 30% to 40%, and the water is from 1% to 4%; and which also contains from 0.3% to 0.7% citric acid; from 1% to 3% sodium chloride; from 0.01% to 0.10% colorant; and from 0.10% to 4.0% perfume.
Claim 10
Dependent Claim
26 words
The composition of claim 1 wherein the flake thickness is from 0.140 mm. to 0.270 mm. and the bulk density is from 0.34 to 0.40 gm./cc.
Claim 11
Dependent Claim
42 words
The composition of claim 8 wherein the flake thickness is from 0.140 mm. to 0.270 mm.; and bulk density is from 0.34 to 0.40 gm./cc., and the moisture content of the slurry is from 55% to 65% by weight of the slurry.
Claim 12
Dependent Claim
52 words
The composition of claim 10 wherein the flakes have a particle size from 0.208 mm. to 0.833 mm. and wherein the slurry has a temperature from 100° F. to 140° F. and a Brookfield viscosity of from 1000 cp. to 5000 cp. when measured at 100 rpm using a no. 6 spindle.
Claim 13
Dependent Claim
12 words
The composition of claim 10 wherein the slurry is processed by drum-drying.
Claim 14
Dependent Claim
15 words
The composition of claim 10 wherein the slurry is processed by flash-drying followed by roller-milling.
Claim 15
Independent Claim
132 words
A method for preparing a shampoo in the form of flakes which comprises (a) preparing a detergent slurry having a moisture content of from 45% to 75% by weight of the slurry by mixing sodium alkyl sulfate, alkyl monoethanol amide, sodium sulfate and water and (b) processing said slurry to form detergent flakes having a thickness of from 0.070 mm. to 0.340 mm. and a bulk density of from 0.28 to 0.44 gm./cc.; wherein said flaskes comprise, in percentages by weight based on the detergent composition, from 40% to 60% sodium alkyl sulfate wherein the alkyl moiety has 12 or 14 carbon atoms; from 2% to 5% alkyl monoethanol amide wherein the alkyl moiety has 12 or 14 carbon atoms; from 20% to 50% sodium sulfate; and from 1% to 7% water.
Claim 16
Independent Claim
132 words
A method for preparing a shampoo in the form of flakes which comprises (a) preparing a detergent slurry having a moisture content of from 45% to 75% by weight of the slurry by mixing sodium alkyl sulfate, alkyl monoethanol amide, sodium sulfate and water and (b) processing said slurry to form detergent flakes having a thickness of from 0.070 mm. to 0.340 mm. and a bulk density of from 0.28 to 0.44 gm./cc.; wherein said flaskes comprise, in percentages by weight based on the detergent composition, from 40% to 60% sodium alkyl sulfate wherein the alkyl moiety has 12 or 14 carbon atoms; from 2% to 5% alkyl monoethanol amide wherein the alkyl moiety has 12 or 14 carbon atoms; from 20% to 50% sodium sulfate; and from 1% to 7% water.
Claim 17
Dependent Claim
11 words
The method of claim 14 where said processing step is drum-drying.
Claim 18
Dependent Claim
14 words
The method of claim 14 where said processing step comprises flash-drying followed by roller-milling.
Claim 19
Dependent Claim
39 words
The method of claim 14 wherein said slurry has a temperature of from 80° F. to 200° F. and a Brookfield viscosity of from 100 cp. to 10,000 cp. when measured at 100 rpm using a no. 6 spindle.
Claim 20
Dependent Claim
82 words
The method of claim 17 wherein the flake thickness is from 0.140 mm. to 0.270 mm.; the bulk density is from 0.34 to 0.40 gm./cc.; the particle size is from 0.28 mm. to 0.833 mm.; the moisture content of the slurry is from 55% to 65% by weight of the slurry; the slurry temperature is from 100° F. to 140° F.; and the Brookfield viscosity is from 1000 cp. to 5000 cp. when measured at 100 rpm using a no. 6 spindle.
Claim 21
Dependent Claim
44 words
The method of claim 18 wherein the weight of the composition the sodium sulfate is from 52% to 56%; the alkyl monoethanol amide is from 3% to 4% the sodium sulfate is from 30% to 40% and the water is from 1% to 4%.
Claim 22
Dependent Claim
38 words
The method of claim 19 wherein the composition also contains, by weight of the composition, from 0.3% to 0.7% citric acid; from 1% to 3% sodium chloride; from 0.01% to 0.10% colorant; and from 0.10% to 4.0% perfume.
Claim 23
Dependent Claim
11 words
The method of claim 20 where said processing step is drum-drying.
Claim 24
Dependent Claim
14 words
The method of claim 20 where said processing step comprises flash-drying followed by roller-milling.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1984-03-02 | 1984-09-01 | 1985-03-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1988-03-02 | 1988-09-01 | 1989-03-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1992-03-02 | 1992-09-01 | 1993-03-03 | $7700.00 | Window Closed / Lapsed |