US4714562A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic dishwasher detergent composition
Assignee: Procter and Gamble Co
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Filing: 1987-03-06
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Granted: 1987-12-22
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Expires: 2007-03-06
Abstract
Abstract Detergent compositions suitable for use in automatic dishwashing machines are disclosed. The compositions contain detergency builder materials, a chlorine bleach component, an optional low-foaming, bleach-stable surfactant and a relatively water-soluble stilbene dye which is color-stable with respect to said chloride bleach component and which does not stain dishes etc.
Inventors
- 👤 Brian J. Roselle
- 👤 Dennis W. Weatherby
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 22:58
CPC Classifications
C; C11; C11D; C11D3/00; C11D3/395; C11D3/3956; C11D3/3955; C11D3/40
Claims Analysis
Total Claims: 21
Claim 1
Independent Claim
71 words
A detergent composition comprising: (1) from about 5% to about 90% by weight of detergency builder material on an anhydrous basis; (2) chlorine bleach ingredient to provide from about 0.1% to about 5%, of available chlorine based on the weight of the detergent composition; (3) from 0% to about 15% by weight of surfactant; and (4) from 0.0005% to about 0.2% relatively water-soluble stilbene dye which is color-stable to chlorine bleach.
Claim 2
Dependent Claim
71 words
A detergent composition comprising: (1) from about 5% to about 90% by weight of detergency builder material on an anhydrous basis; (2) chlorine bleach ingredient to provide from about 0.1% to about 5%, of available chlorine based on the weight of the detergent composition; (3) from 0% to about 15% by weight of surfactant; and (4) from 0.0005% to about 0.2% relatively water-soluble stilbene dye which is color-stable to chlorine bleach.
Claim 3
Dependent Claim
25 words
The composition of claim 1 wherein said dye is selected from dyes having Colour Index, Constitution Index numbers from 40000 through 40510 and mixtures thereof.
Claim 4
Dependent Claim
23 words
The composition of claim 2 wherein said dye is C.I. Direct Yellow 6 at a level of from about 0.0005% to about 0.05%.
Claim 5
Dependent Claim
23 words
The composition of claim 2 wherein said dye is C.I. Direct Yellow 96 at a level of from about 0.01% to about 0.15%.
Claim 6
Dependent Claim
23 words
The composition of claim 2 wherein said dye is C.I. Direct Yellow 39 at a level of from about 0.001% to about 0.15%.
Claim 7
Dependent Claim
48 words
The composition of claim 1 containing from about 30% to about 90% by weight of detergency builder material; from about 0.5% to about 3% of available chlorine; from about 0.3% to about 8% of low foaming nonionic surfactant; and from about 0.002% to about 0.05% of said dye.
Claim 8
Dependent Claim
36 words
The composition of claim 6 wherein said dye is selected from the group consisting of C.I. Direct Yellow Dyes, Numbers 6, 6:1, 11, 19, 21, 23, 39, 55, 96, 103, 105, 106, 124, and mixtures thereof.
Claim 9
Dependent Claim
22 words
The composition of claim 7 wherein said dye is C.I. Direct Yellow at a level of from about 0.0005% to about 0.05%.
Claim 10
Dependent Claim
23 words
The composition of claim 7 wherein said dye is C.I. Direct Yellow 96 at a level of from about 0.01% to about 0.15%.
Claim 11
Dependent Claim
23 words
The composition of claim 7 wherein said dye is C.I. Direct Yellow 39 at a level of from about 0.001% to about 0.15%.
Claim 12
Dependent Claim
12 words
The composition of claim 1 in the form of an aqueous liquid.
Claim 13
Dependent Claim
77 words
The composition of claim 11 containing from about 40% to about 90% by weight of detergency builder material; from about 0.5% to about 3% of available chlorine; from about 0.3% to about 8% of low foaming nonionic surfactant; from 0% to about 40% by weight of said low foaming nonionic surfactant of alkyl phosphate ester wherein the alkyl contains from about 16 to about 20 carbon atoms, and from about 0.002% to about 0.05% of said dye.
Claim 14
Dependent Claim
36 words
The composition of claim 12 wherein said dye is selected from the group consisting of C.I. Direct Yellow Dyes, Numbers 6, 6:1, 11, 19, 21, 23, 39, 55, 96, 103, 105, 106, 124 and mixtures thereof.
Claim 15
Dependent Claim
23 words
The composition of claim 13 wherein said dye is C.I. Direct Yellow 6 at a level of from about 0.0005% to about 0.05%.
Claim 16
Dependent Claim
23 words
The composition of claim 13 wherein said dye is C.I. Direct Yellow 96 at a level of from about 0.01% to about 0.15%.
Claim 17
Dependent Claim
23 words
The composition of claim 13 wherein said dye is C.I. Direct Yellow 39 at a level of from about 0.001% to about 0.15%.
Claim 18
Dependent Claim
86 words
The composition of claim 1 in the form of an aqueous thickened liquid composition comprising: (1) from 0% to about 5% of bleach-stable, low-foaming detergent surfactant; (2) from about 5% to about 40% of detergency builder; (3) from about 0.3% to about 2.5% available chlorine from a hypochlorite source; (4) from about 0.1% to about 10% thickening agent; (5) from about 3% to about 15% SiO 2 ; (6) from about 0.002% to about 0.05% of said stilbene dye; and (7) the balance an aqueous liquid.
Claim 19
Dependent Claim
43 words
The composition of claim 17 wherein said dye is selected from the group consisting of C.I. Direct Yellow Dyes, Numbers 6, 11, 19, 21, 39, 96, 103, 106, 124, and mixtures thereof and additionally containing an effective amount of a bleach-stable lemon perfume.
Claim 20
Dependent Claim
58 words
The composition of claim 18 wherein there is from 0.1% to about 2.5% surfactant, from about 15% to about 30% detergency builder, from about 0.5% to about 1.5% available chlorine, from about 0.5% to about 1.5% thickening agent, from about 5% to about 12.5% SiO 2 , and from about 0.003% to about 0.02% of said stilbene dye.
Claim 21
Dependent Claim
58 words
The composition of claim 17 wherein there is from 0.1% to about 2.5% surfactant, from about 15% to about 30% detergency builder, from about 0.5% to about 1.5% available chlorine, from about 0.5% to about 1.5% thickening agent, from about 5% to about 12.5% SiO 2 , and from about 0.003% to about 0.02% of said stilbene dye.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1990-12-21 | 1991-06-22 | 1991-12-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1994-12-21 | 1995-06-22 | 1995-12-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1998-12-21 | 1999-06-22 | 1999-12-22 | $7700.00 | Window Closed / Lapsed |