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US4536319A
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Compositions comprising alkylpolysaccharide detergent surfactant
Assignee: Procter and Gamble Co
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Filing: 1983-10-04
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Granted: 1985-08-20
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Expires: 2003-10-04
Abstract
Abstract Specific alkylpolysaccharide detergent surfactants uniquely provides structure and detergency to detergent granules prepared by drying aqueous mixtures of the granules' ingredients. Such granules can contain higher amounts of water while retaining good structure.
Inventors
- 👤 Nicholas S. Payne
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 08:49
CPC Classifications
C; C11; C11D; C11D1/00; C11D1/66; C11D1/662; C11D1/83
Claims Analysis
Total Claims: 21
Claim 1
Independent Claim
129 words
A homogeneous granular detergent composition comprising: (1) from about 2% to about 30% of alkylpolysaccharide detergent surfactant having the formula RO(R 1 O) t Z x wherein R is an alkyl, alkylphenol, hydroxyalkyl, hydroxy alkylphenol, or mixtures thereof, and said alkyl groups contain from about 8 to about 18 carbon atoms; wherein each R 1 contains from 2 to about 4 carbon atoms; wherein t is from 0 to about 5; wherein Z is a moiety derived from a reducing saccharide containing from 5 to 6 carbon atoms; and wherein x is from about 11/2 to about 5; (2) from 0% to about 30% of detergent cosurfactant; (3) from about 10% to about 75% of water-soluble neutral or alkaline salt; and (4) from about 5% to about 20% water.
Claim 2
Dependent Claim
129 words
A homogeneous granular detergent composition comprising: (1) from about 2% to about 30% of alkylpolysaccharide detergent surfactant having the formula RO(R 1 O) t Z x wherein R is an alkyl, alkylphenol, hydroxyalkyl, hydroxy alkylphenol, or mixtures thereof, and said alkyl groups contain from about 8 to about 18 carbon atoms; wherein each R 1 contains from 2 to about 4 carbon atoms; wherein t is from 0 to about 5; wherein Z is a moiety derived from a reducing saccharide containing from 5 to 6 carbon atoms; and wherein x is from about 11/2 to about 5; (2) from 0% to about 30% of detergent cosurfactant; (3) from about 10% to about 75% of water-soluble neutral or alkaline salt; and (4) from about 5% to about 20% water.
Claim 3
Dependent Claim
28 words
The composition of claim 1 wherein R contains from about 10 to about 14 carbon atoms, t is 0, and x is from about 11/2 to about 21/2.
Claim 4
Dependent Claim
14 words
The composition of claim 2 containing from about 6% to about 25% of (1).
Claim 5
Dependent Claim
98 words
The composition of claim 2 wherein said detergent cosurfactant is calcium sensitive anionic detergent cosurfactant having the formula R(SO 3 ) y (COO) z (OSO 3 ) n M q wherein R has the meaning given hereinbefore; y, z and n are numbers from 0 to about 4; y+z+n is from 1 to about 3, M is a cationic moiety selected from the group consisting of sodium, potassium, ammonium, ethanolammonium, diethanolammonium, triethanolammonium, calcium, magnesium and mixtures thereof; and q is selected to complete the formula, the ratio of (2) to (1) being from about 1:1 to about 6:1.
Claim 6
Dependent Claim
75 words
The composition of claim 4 containing from about 10% to about 20% of (2) and (2) is selected from the group consisting of alkylbenzene sulfonates in which the alkyl contains from about 6 to about 20 carbon atoms, alkyl sulfates containing from about 6 to about 30 carbon atoms, alkyl sulfonates containing from about 6 to about 30 carbon atoms, fatty acid soaps containing from about 6 to about 30 carbon atoms, and mixtures thereof.
Claim 7
Dependent Claim
17 words
The composition of claim 5 wherein the ratio of (1) to (2) is greater than about 1:3.
Claim 8
Dependent Claim
23 words
The composition of claim 2 wherein Z is selected from the group consisting of glucose, galactose, glucosyl, and galactosyl residues and mixtures thereof.
Claim 9
Dependent Claim
11 words
The composition of claim 7 wherein Z is derived from glucose.
Claim 10
Dependent Claim
17 words
The composition of claim 1 containing from about 5% to about 55% of insoluble aluminosilicate detergency builder.
Claim 11
Dependent Claim
24 words
The composition of claim 9 containing from about 10% to about 30% of said insoluble aluminosilicate detergency builder which is hydrated sodium Zeolite A.
Claim 12
Dependent Claim
13 words
The composition of claim 10 containing less than about 3% alkaline metal silicate.
Claim 13
Dependent Claim
13 words
The composition of claim 11 containing less than about 2% of said silicate.
Claim 14
Dependent Claim
11 words
The composition of claim 12 which contains essentially no phosphate materials.
Claim 15
Dependent Claim
14 words
The composition of claim 1 containing from about 20% to about 50% of (3).
Claim 16
Dependent Claim
28 words
The composition of claim 14 wherein R contains from about 10 to about 14 carbon atoms, t is 0, and x is from about 11/2 to about 21/2.
Claim 17
Dependent Claim
31 words
The composition of claim 1 prepared by preparing an aqueous slurry of the detergent compositions ingredients minus any heat-sensitive detergent composition components and drying said slurry to form said detergent composition.
Claim 18
Dependent Claim
11 words
The composition of claim 16 which comprises (1), (3), and (4).
Claim 19
Dependent Claim
10 words
The composition of claim 17 which is prepared by spray-drying.
Claim 20
Dependent Claim
15 words
The composition of claim 16 which is prepared by spray-drying after (1) is fully hydrated.
Claim 21
Dependent Claim
53 words
The composition of claim 19 wherein in (1) R contains from about 10 to about 14 carbon atoms, t is 0, and x is from about 11/2 to about 21/2; containing from about 5% to about 55% of an insoluble aluminosilicate detergency builder; and containing from about 20% to about 50% of (3).
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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) | 1988-08-19 | 1989-02-18 | 1989-08-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1992-08-19 | 1993-02-18 | 1993-08-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1996-08-19 | 1997-02-18 | 1997-08-20 | $7700.00 | Window Closed / Lapsed |