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EP0540090A2 Expired / Lapsed EP ⏱️ 0.0 years remaining

Liquid cleaning compositions

Assignee: Unilever NV
•
Filing: 1992-10-21
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Granted: —
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Expires: 2012-10-21
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Abstract

Abstract A substantially non-aqueous liquid cleaning composition comprises a non-aqueous liquid phase and dispersed solids which comprise an inorganic percarbonate bleach and a bleach precursor, wherein the precursor has a molar solubility in the liquid phase alone multiplied by the number of active groups of no more than 1.2 mmol per 100 ml at 25°C.

Inventors

  • 👤 Ezat Koshdel
  • 👤 David William Thornthwaite
  • 👤 John Richard Nicholson

Bibliographic Details

Application Number —
Jurisdiction EP
Data Source google_patents
Last Synchronized 2026-11-03 10:40
CPC Classifications
C; C11; C11D; C11D17/00; C11D17/0004; C11D3/00; C11D3/39; C11D3/3902; C11D3/3905; C11D3/3907

Claims Analysis

Total Claims: 8
Claim 1
Independent Claim 53 words
A substantially non-aqueous liquid cleaning composition comprising a non-aqueous liquid phase and dispersed solids which comprise an inorganic percarbonate bleach and a precursor, wherein the precursor has a molar solubility in the liquid phase alone multiplied by the number of active groups of no more than 1.2 mmol per 100 ml at 25°C.
Claim 2
Dependent Claim 27 words
A composition according to claim 1, wherein said molar solubility multiplied by the number of active groups is no more than 0.2 mmol per 100ml at 25°C.
Claim 3
Dependent Claim 14 words
A composition according to claim 1, wherein the precursor is a percarboxylic acid precursor.
Claim 4
Dependent Claim 13 words
A composition according to claim 1, wherein the precursor is a cationic compound.
Claim 5
Dependent Claim 12 words
A composition according to claim 1, wherein the precursor is 1-[4-(N,N,N-trimethylammoniummethyl)benzoyloxy] benzene-4-sulphonate.
Claim 6
Dependent Claim 14 words
A composition according to claim 1, wherein the precursor is 2-(N,N,N-trimethylammonium)ethyl sodium 4-sulphophenyl carbonate.
Claim 7
Dependent Claim 14 words
A composition according to claim 1, wherein the precursor is sodium benzoyloxy benzene sulphonate.
Claim 8
Dependent Claim 12 words
A composition according to claim 1, wherein the precursor is a poly-diacetylallylamine.

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