Bleaching and dyeing; fluid treatment and chemical modification – Cleaning or laundering – Removing formation impurities from artifical fiber
Patent
1999-02-09
2000-09-05
Fries, Kery
Bleaching and dyeing; fluid treatment and chemical modification
Cleaning or laundering
Removing formation impurities from artifical fiber
510392, 510393, 510530, 510226, 510320, 510321, 510307, 510236, 510238, 134 252, 134 42, C11D 3386, C11D 3395, D06B 100
Patent
active
061136557
DESCRIPTION:
BRIEF SUMMARY
FIELD OF THE INVENTION
The present invention relates to detergent compositions, including dishwashing, hard surface cleaning and laundry compositions comprising a pectinesterase enzyme substantially free of other pectic enzymes.
BACKGROUND OF THE INVENTION
The overall performance of a detergent product for use in washing or cleaning method such as laundry, dishwashing or hard surface cleaning, is judged by a number of factors, including the ability to remove soils and the ability to prevent redeposition of the soils, or the breakdown products of the soils on the articles in the wash.
Removal of stains stemming from plants, wood, mould-clay based soil and fruits is one of today's toughest cleaning task; in particular with the trends to move to low wash temperatures. These stains typically contain complex mixtures of fibrous material based mainly on carbohydrates and their derivatives: fibres and cell wall components. Plant based soils are additionally accompanied with amylose, sugars and their derivatives.
Food soils are often difficult to remove effectively from a soiled substrate. Highly coloured or "dried-on" soils derived from fruit and/or vegetable juices are particularly challenging to remove. Specific examples of such soils would include orange juice, tomato juice, banana, mango or broccoli soils. The substrates can be fabrics, dishware or hard surfaces.
Pectic substances are found in, for example, fruit juices. The pectic substances act to hold dispersed particulates in suspension in such fruit juices, which will tend to be viscous and opaque in nature. Pectic enzymes are commonly used in the fruit/vegetable juice processing industry in the clarification of juices by breakdown of the pectic substances therein (depectinisation).
Benefits for the specific use of pectinesterase enzymes which are substantially free from other pectic enzymes in detergent formulations, particularly for use in laundry, dishwashing and household cleaning operations have not been recognised.
DE 36 35 427 is directed to phosphate-free detergents for cleaning clothes, containing enzymes with pectinase activity, which is said to include such enzymes as polygalacturonase, pectin lyase and/or pectinesterase. However, aside from the general teaching therein related to mixtures of these pectinase enzymes for the removal of inorganic soilings from clothes, the only specific teaching regarding an individual pectinase enzyme is found in example 3, where the enzyme (designated "Enzyme D") is characterised as containing a large quantity of pectin lyase. Table III provides the results of the evaluation of this Enzyme D in a detergent formulation, indicating that this high pectin lyase mixture has the highest % pectinase activity (10%) and one of the higher detergency values (83%) in combination with water-soluble high molecular compound, by comparison to the other enzyme compositions reported.
It is an object of the present invention to provide laundry, dishwashing or household detergent compositions which provide soil/stain removal benefits when used in washing and cleaning operations.
According to the present invention, it has now been surprisingly found that the pectinesterase enzymes substantially free of other pectic enzymes and especially the alkaline pectinesterase enzyme substantially free of other pectic enzymes, provide significant removal of broad range of body, plant and fruit based stains and enhance the realistic item cleaning profile of the detergent compositions.
Indeed, the inclusion of pectinesterase enzyme substantially free of other pectic enzymes and especially the alkaline type, provides in particular improved removal of body soils, dried-on fruit and vegetables juice soils/stains.
In addition, it has been found that the alkaline pectinesterase enzyme substantially free of other pectic enzymes presents improved compatibility and enhanced activity in the wash solution thereby providing improved removal of body, dried-on fruit and vegetables juice soils/stains, especially when stemming from heavy duty laundry or d
REFERENCES:
patent: 3776693 (1973-12-01), Smith et al.
patent: 4200694 (1980-04-01), Ishii et al.
patent: 5686015 (1997-11-01), Willey et al.
patent: 5866526 (1999-02-01), Olsen et al.
patent: 5871550 (1999-02-01), Goedegebur et al.
Baeck Andre Cesar
Herbots Ivan Maurice Alfons Jan
Moese Rosa Laura
Tsunetsugu Shuichi
Cook C. Brant
Fries Kery
Procter & Gamble Company
Rasser Jacobus C.
Zerby Kim W.
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