EP0139329A2
Expired / Lapsed
EP
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Dishwashing compositions
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 By the inclusion of an effective level of a layered clay, e.g. a synthetic hectorite, in an enzymatic dishwashing composition, the formation of spots and films on the cleaned objects is significantly reduced.
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 02:40
CPC Classifications
C; C11; C11D; C11D3/00; C11D3/02; C11D3/12; C11D3/124; C11D3/1246; C11D3/1253; C11D3/16; C11D3/38; C11D3/386
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
32 words
An enzymatic dishwashing composition comprising an active detergent, an alkaline salt and an enzyme, characterised in that it further comprises an effective level of a layered clay to reduce film- and spot-formation.
Claim 2
Dependent Claim
32 words
An enzymatic dishwashing composition comprising an active detergent, an alkaline salt and an enzyme, characterised in that it further comprises an effective level of a layered clay to reduce film- and spot-formation.
Claim 3
Dependent Claim
29 words
A composition according to claim 1, characterised in that the layered clay is selected from the group consisting of the smectites, kaolins, illites, chlorites, attapulgites and mixed layer clays.
Claim 4
Dependent Claim
18 words
A composition according to claim 2, characterised in that the layered clay is a hectorite, montmorillonite or bentonite.
Claim 5
Dependent Claim
16 words
A composition according to claim 3, characterised in that the layered clay is a synthetic hectorite.
Claim 6
Dependent Claim
24 words
A composition according to any one of claims 1-4, characterised in that the layered clay is present in an amount of 0.5-25% by weight.
Claim 7
Dependent Claim
31 words
A composition according to any one of the preceding claims 1-5, characterised in that the composition has a pH of between 9 and 11 at a concentration of 0.3% in water.
References Cited (Backward Citations)
No citation records indexed.
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