Patent US2394607A successfully refreshed from Google Patents.
EP0070079A2
Expired / Lapsed
EP
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Cleaning composition
Assignee: Unilever PLC
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Filing: 1982-07-13
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Granted: —
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Expires: 2002-07-13
Abstract
Abstract A low phosphate, alumino-silicate built cleaning composition having improved bleach performance is described comprising a) 15-50% by weight of a water-insoluble alumino-silicate cation exchange material; b) 3-30% by weight of a peroxide bleach; c) 0.5-15% by weight of an activator for said peroxide bleach; and d) 1-15% by weight of a nitrilotriacetic acid compound, wherein the percentage quantities of (a) + 2(d) is between 30 and 55.
Inventors
- 👤 Francis Geoffrey Foster
- 👤 Arthur George Leigh
- 👤 Thomas Stirling
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-10-27 06:10
CPC Classifications
C; C11; C11D; C11D3/00; C11D3/16; C11D3/26; C11D3/33; C11D3/02; C11D3/12; C11D3/124; C11D3/1246; C11D3/128; C11D3/39; C11D3/3902
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
77 words
A low phosphate, alumino-silicate built cleaning composition, characterized in that it comprises: a) from 15 to 50% by weight of a water-insoluble alumino-silicate cation exchange material; b) from 3 to 30% by weight of a peroxide bleach; c) from 0.5 to 15% by weight of an activator for said peroxide bleach; and d) from 1 to 15% by weight of a nitrilotriacetic acid compound, wherein the percentage quantities of (a) + 2(d) is between 30 and 55.
Claim 2
Dependent Claim
77 words
A low phosphate, alumino-silicate built cleaning composition, characterized in that it comprises: a) from 15 to 50% by weight of a water-insoluble alumino-silicate cation exchange material; b) from 3 to 30% by weight of a peroxide bleach; c) from 0.5 to 15% by weight of an activator for said peroxide bleach; and d) from 1 to 15% by weight of a nitrilotriacetic acid compound, wherein the percentage quantities of (a) + 2(d) is between 30 and 55.
Claim 3
Dependent Claim
21 words
A cleaning composition according to claim 1, characterized in that the percentage quantities (a) + 2(d) is between 40 and 55.
Claim 4
Dependent Claim
27 words
A cleaning composition according to claim 1 or 2, characterized in that the nitrilotriacetic acid compound is present in an amount of 2.5 to 10% by weight.
Claim 5
Dependent Claim
20 words
A cleaning composition according to any one of claims 1-3, characterized in that the nitrilotriacetic acid compound is sodium nitrilotriacetate.
Claim 6
Dependent Claim
32 words
A cleaning composition according to any one of claims 1-4, characterized in that the ratio by weight of the peroxide bleach to the activator in the composition is from 5:1 to 2:1.
Claim 7
Dependent Claim
22 words
A cleaning composition according to any of the above claims, characterized in that it further comprises at least one organic detergent-active material.
Claim 8
Dependent Claim
30 words
A cleaning composition according to claim 6, characterized in that said organic detergent active material is present in an amount of 5 to 40% by weight of the total composition.
Claim 9
Dependent Claim
27 words
A cleaning composition according to any of the above claims, characterized in that it contains an inorganic phosphate builder at a level of below 12.5% by weight.
Claim 10
Dependent Claim
18 words
A cleaning composition according to claim 8, characterized in that it is substantially free of inorganic phosphate builders.
References Cited (Backward Citations)
No citation records indexed.
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