EP0160342A2
Expired / Lapsed
EP
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Liquid bleaching compositions
Assignee: Unilever PLC
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Filing: 1985-04-25
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Granted: —
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Expires: 2005-04-25
Abstract
Abstract Aqueous liquid bleaching compositions comprising a solid, particulate, substantially water-insoluble organic peroxy acid, e.g. diperoxydodecanedioic acid, stably suspended in an acidic surfactant structured liquid comprising a surfactant, an electrolyte and water in the substantial absence of a thickening agent.
Inventors
- 👤 Robert William Riley Humphreys
- 👤 Adrian William Walker
- 👤 Robin John Green
- 👤 Stephen William Russell
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-10-24 09:05
CPC Classifications
C; C11; C11D; C11D17/00; C11D17/0008; C11D17/0026; C11D3/00; C11D3/39; C11D3/3947
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
49 words
Aqueous liquid bleaching composition having a pH in the range of from 1 to 6.5 and comprising a solid particulate, substantially water-insoluble organic peroxy acid, characterized in that it comprises an effective amount of said peroxy acid stably suspended in an aqueous liquid containing a surfactant and an electrolyte.
Claim 2
Dependent Claim
49 words
Aqueous liquid bleaching composition having a pH in the range of from 1 to 6.5 and comprising a solid particulate, substantially water-insoluble organic peroxy acid, characterized in that it comprises an effective amount of said peroxy acid stably suspended in an aqueous liquid containing a surfactant and an electrolyte.
Claim 3
Dependent Claim
22 words
Bleaching composition according to claim 1, characterized in that it comprises from 1 to 40% by weight of said organic peroxy acid.
Claim 4
Dependent Claim
21 words
Bleaching composition according to claim 2, characterized in that it comprises from 2.5 to 30% by weight of said peroxy acid.
Claim 5
Dependent Claim
33 words
Bleaching composition according to claim 1, 2 or 3, characterized in that it comprises from 2 to 50% by weight of said surfactant and from 1.5 to 30% by weight of said electrolyte.
Claim 6
Dependent Claim
28 words
Bleaching composition according to claim 4, characterized in that it comprises from 5 to 35% by weight of surfactant and from 2.5 to 25% by weight of electrolyte.
Claim 7
Dependent Claim
23 words
Bleaching composition according to any one of the above claims, characterized in that said surfactant is an anionic surfactant and/or a nonionic surfactant.
Claim 8
Dependent Claim
24 words
Bleaching composition according to any one of the above claims, characterized in that it has a viscosity of from 0.05 PaS to 1.5 PaS.
Claim 9
Dependent Claim
17 words
Bleaching composition according to claim 7, characterized in that its viscosity is from 0.2 to 1.0 PaS.
Claim 10
Dependent Claim
19 words
Bleaching composition according to any one of the above claims, characterized in that the peroxy acid is 1,12-diperoxydodecanedioic acid.
References Cited (Backward Citations)
No citation records indexed.
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