EP0139331A2
Expired / Lapsed
EP
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Dishwashing composition
Assignee: Unilever PLC
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Filing: 1984-10-10
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Granted: —
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Expires: 2004-10-10
Abstract
Abstract The use of a layered clay, e.g. a synthetic hectorite, in a non-enzymatic machine dishwashing composition provides for a significant reduction of spot and film formation.
Inventors
- 👤 Machiel Goedhart
- 👤 Franciscus Hermannus Gortemaker
- 👤 Hermanus Christoffel Kemper
- 👤 Hendrik Simon Kielman
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-10-28 11:49
CPC Classifications
C; C11; C11D; C11D3/00; C11D3/02; C11D3/12; C11D3/124; C11D3/1246; C11D3/1253; C11D3/126; C11D3/395
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
74 words
A non-enzymatic dishwashing composition comprising from 0.5-10% by weight of an active detergent, 10-90% by weight of a builder salt and 1-5% by weight of a chlorine bleaching agent, characterized in that it further contains 0.001-40% by weight of a layered clay selected from the group consisting of the smectites, kaolins, illites, chlorites, attapulgites and mixed layer clays, the composition having a pH of between 11 and 13.5 (at 3 g/1 in aqueous solution).
Claim 2
Dependent Claim
74 words
A non-enzymatic dishwashing composition comprising from 0.5-10% by weight of an active detergent, 10-90% by weight of a builder salt and 1-5% by weight of a chlorine bleaching agent, characterized in that it further contains 0.001-40% by weight of a layered clay selected from the group consisting of the smectites, kaolins, illites, chlorites, attapulgites and mixed layer clays, the composition having a pH of between 11 and 13.5 (at 3 g/1 in aqueous solution).
Claim 3
Dependent Claim
24 words
A composition according to Claim 1, characterized in that the layered clay is selected from the group consisting of the hectorites, montmorillonites and bentonites.
Claim 4
Dependent Claim
16 words
A composition according to Claim 2, characterized in that the layered clay is a synthetic hectorite.
References Cited (Backward Citations)
No citation records indexed.
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