Classifications

• • C—CHEMISTRY; METALLURGY
  • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
  • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
  • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
  • C11D3/02—Inorganic compounds ; Elemental compounds
  • C11D3/04—Water-soluble compounds
  • C11D3/046—Salts
• • C—CHEMISTRY; METALLURGY
  • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
  • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
  • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
  • C11D3/02—Inorganic compounds ; Elemental compounds
  • C11D3/12—Water-insoluble compounds
  • C11D3/124—Silicon containing, e.g. silica, silex, quartz or glass beads
  • C11D3/1246—Silicates, e.g. diatomaceous earth
  • C11D3/1253—Layer silicates, e.g. talcum, kaolin, clay, bentonite, smectite, montmorillonite, hectorite or attapulgite
  • C11D3/126—Layer silicates, e.g. talcum, kaolin, clay, bentonite, smectite, montmorillonite, hectorite or attapulgite in solid compositions
• • C—CHEMISTRY; METALLURGY
  • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
  • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
  • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
  • C11D3/16—Organic compounds
  • C11D3/38—Products with no well-defined composition, e.g. natural products
  • C11D3/382—Vegetable products, e.g. soya meal, wood flour, sawdust
• • C—CHEMISTRY; METALLURGY
  • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
  • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
  • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
  • C11D3/16—Organic compounds
  • C11D3/38—Products with no well-defined composition, e.g. natural products
  • C11D3/386—Preparations containing enzymes, e.g. protease or amylase
  • C11D3/38672—Granulated or coated enzymes
• • C—CHEMISTRY; METALLURGY
  • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
  • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
  • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
  • C11D3/02—Inorganic compounds ; Elemental compounds
  • C11D3/04—Water-soluble compounds
• • C—CHEMISTRY; METALLURGY
  • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
  • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
  • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
  • C11D3/02—Inorganic compounds ; Elemental compounds
  • C11D3/04—Water-soluble compounds
  • C11D3/06—Phosphates, including polyphosphates
• • C—CHEMISTRY; METALLURGY
  • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
  • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
  • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
  • C11D3/02—Inorganic compounds ; Elemental compounds
  • C11D3/04—Water-soluble compounds
  • C11D3/08—Silicates
• • C—CHEMISTRY; METALLURGY
  • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
  • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
  • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
  • C11D3/16—Organic compounds
  • C11D3/38—Products with no well-defined composition, e.g. natural products
  • C11D3/386—Preparations containing enzymes, e.g. protease or amylase
• • C—CHEMISTRY; METALLURGY
  • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
  • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
  • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
  • C11D3/395—Bleaching agents

Definitions

• This invention relates to detergent compositions comprising more than one enzyme as well as methods of making and using such detergents.
• IPCOM000200739D it is disclosed that uniform enzyme granule distribution can be improved by incorporating two or more enzymes combined in one co-granule. Each enzyme will then be present in more granules securing a more uniform distribution of enzymes in the detergent. This also reduces the physical segregation of different enzymes due to different particle sizes.
• interaction between enzymes in an enzyme cogranule can lead to loss of enzyme activity, in particular when one of the enzymes is protease. This problem is particularly acute in detergent compositions comprising low levels of typical strong builders i.e. zeolite and phosphate builders.
• the present invention relates to a detergent composition
• a detergent composition comprising (a) a multi-enzyme co-granule; (b) less than 10 wt% zeolite (anhydrous basis); and (c) less than 10 wt% phosphate salt (anhydrous basis), wherein said enzyme co-granule comprises from 10 to 98 wt% moisture sink component and the composition additionally comprises from 20 to 80 wt% detergent moisture sink component.
• the invention also relates to a method of treating and/or cleaning a surface, preferably a fabric surface comprising the steps of (i) contacting said surface with the detergent composition as claimed and described herein in an aqueous wash liquor, (ii) rinsing and/or drying the surface.
• aqueous wash liquor Preferably the temperature of the aqueous liquor is from 5 - 25°C and preferably the aqueous liquor comprises from 0.1g/l to 3g/l of surfactant.
• detergent composition means consumer and institutional products, including but not limited to cleaning and/or treatment compositions, particularly cleaning compositions for laundry, dishwashing, and hard surface cleaning products, other cleaners, and cleaning systems all for the care and cleaning of inanimate surfaces, as well as fabric conditioner products and other products designed specifically for the care and maintenance of fabrics.
• cleaning and/or treatment composition are generally intended to be used or consumed in the form in which they are sold.
• Such products include laundry and rinse additive and/or care, hard surface cleaning and/or treatment including floor and toilet bowl cleaners.
• the compositions of the invention are laundry or dish-washing detergents, most preferably laundry detergents.
• the compositions of the invention are solid i.e.
• a unit-dose detergent composition such as a tablet or pouch which may be single or multi-compartment. However, they may be liquid, gel or paste-form.
• a pouch the composition of the invention will be present within a water-soluble film.
• the pouch is multi-compartment, the composition of the invention will be present in one or more compartments. Further compositions, not in accordance with the invention may be provided in one or more further compartments of the multi-component pouch. All of such products which are applicable may be in standard, concentrated or even highly concentrated form even to the extent that such products may in certain aspect be non-aqueous.
• the multi-enzyme co-granule comprises at least two enzymes, or at least three or four or more enzymes, preferably selected from the group consisting of first-wash lipases, cleaning cellulases, xyloglucanases, perhydrolases, peroxidases, lipoxygenases, laccases, hemicellulases, proteases, care cellulases, cellobiose dehydrogenases, xylanases, phospholipases, esterases, cutinases, pectinases, mannanases, pectate lyases, keratinases, reductases, oxidases, phenoloxidases, ligninases, pullulanases, tannases, pentosanases, lichenases glucanases, arabinosidases, hyaluronidase, chondroitinase, amylases, and mixtures thereof.
• the co-granule comprises (a) one or more enzymes selected from the group consisting of first-wash lipases, cleaning cellulases, xyloglucanases, perhydrolases, peroxidases, lipoxygenases, laccases and mixtures thereof.
• Preferred enzymes from group (a) are first wash lipases.
• the co-granule preferably comprises (b) one or more enzymes selected from the group consisting of hemicellulases, proteases, care cellulases, cellobiose dehydrogenases, xylanases, phospholipases, esterases, cutinases, pectinases, mannanases, pectate lyases, keratinases, reductases, oxidases, phenoloxidases, ligninases, pullulanases, tannases, pentosanases, lichenases glucanases, arabinosidases, hyaluronidase, chondroitinase, amylases, and mixtures thereof.
• the co-granule comprises a protease enzyme.
• the co-granule may comprise for example at least two enzymes, for example including: (i) protease and amylase; (ii) portease and cellulase; (iii) protease and first wash lipase; (iv) cellulase an first wash lipase; (v) amylase and cellulase; or (vi) amylase and first wash lipase.
• enzymes for example including: (i) protease and amylase; (ii) portease and cellulase; (iii) protease and first wash lipase; (iv) cellulase an first wash lipase; (v) amylase and cellulase; or (vi) amylase and first wash lipase.
• the co-granule may comprise at least three enzymes, for example including (i) protease, first wash lipase and cellulase; (ii) protease, amylase and cellulase; (iii) protease, amylase and first wash lipase; (iv) first wash lipase, amylase and cellulase.
• the co-granule may comprise at least four enzymes, for example including (i) protease, amylase, first wash lipase and cellulase; (ii) protease, amylase, first wash lipase and mannanase.
• the amount of total active enzyme protein incorporated into the co-granule is typically delivers from 0.2 to 1.0wt% active enzyme in the detergent composition.
• the moisture sink component is present in the co-granule in amounts of from 10 to 99 wt% of the co-granule.
• the moisture sink material is herein understood a material that in its anhydrous form can take water to become hydrated and it can easily give up the hydration water when it is placed in a drier or warmer environment.
• the moisture sink materials for use in the composition of the invention have a difference in density between the anhydrous and hydrated form of at least 0.8 g/cm3, more preferably at least 1 g/cm3 and especially at least 1.2 g/cm3.
• This difference in densities provides a mechanism to break particle:particle crystal bridges that have formed as a result of water condensing as the powder temperature fell below the dew point associated with that powder.
• the hydrated material forming a crystal bridge between particles reverts to the anhydrous (or less hydrated) form.
• the higher crystal density associated with the anhydrous (or less hydrated) form provides a mechanism for breaking these crystal bridges due to the reduction in crystal volume. This allows that a period of low temperature does not negatively and permanently affect the structure of the powder and contributes to good handling properties of the composition.
• the moisture sink component is present in amounts from 30, 50 or even 60 wt% of the co-granule, up to 90 or 95 wt% based on the co-granule.
• suitable moisture sink components are capable of absorbing moisture.
• Suitable moisture sink components are preferably selected from the group consisting of (a) hydratable salts, (b) dessicated clays, (c) bio-filler, and (d) mixtures thereof.
• Useful as hydratable salts are typically sodium, calcium, magnesium salts, preferably sodium salts of carbonate, chloride, citrate and sulphate and mixtures thereof.
• Anhydrous sodium carbonate may be preferred.
• Light sodium carbonate may be preferred.
• suitable clays are talc, calcite, kaolin, dolomite and bentonite.
• Preferred dessicated clays have a moisture content of from 0.1 to 20 wt% free moisture, more preferably from 0.1 to 15 or even 0.1 to 10 or even 5 wt% free moisture;
• Suitable as bio-filler is any water soluble or water insoluble agricultural by-product. Examples of water-insoluble agricultural by-products are described in WO2007/147698 .
• Preferred bio-fillers have a moisture content of from 0.1 to 20 wt% free moisture, more preferably from 0.1 to 15 or even 0.1 to 10 wt% or even 5 wt% free moisture;
• the particle size of the moisture sink component is preferably such that at least 90 wt% of the particles of moisture sink component have a diameter less than 700 or even less than 500 or 300 or 250 microns or even less than 100 microns.
• the weight ratio of moisture sink component to active enzyme protein in the co-granule is preferably from 10: 1 or 20:1 or 50:1 or 10:1 up to 100:1 or 90:1 or 75:1.
• Suitable enzyme co-granules for use herein include those formed according to any of the below technologies:
• Preferred enzyme co-granules for use in the composition of the invention, have a core-shell structure.
• the core comprises a central part, preferably free of enzymes, and a surrounding layer containing enzymes and the shell comprises a plurality of layers, the most outer layer being a protective layer.
• the central part of the core and at least one of the layers of the shell comprise an moisture sink material.
• the central part of the core represents from 1% to 60%, more preferably from 3% to 50% and especially from 5% to 40% by weight of the total particle.
• the layer comprising the moisture sink material represents from 0.5% to 40%, more preferably from 1% to 30% and especially from 3% to 20% by weight of the total particle.
• the most outer layer comprises polyvinyl alcohol, more preferably titanium oxide (for aesthetic reasons) and especially a combination thereof.
• the protective layer represents from 0.05% to 20%, more preferably from 0.1% to 15% and especially from 1% to 3% by weight of the total particle.
• the enzyme granulate can also contain adjunct materials such as antioxidants, dyes, activators, solubilizers, binders, etc. Enzymes according to this embodiment can be made by a fluid bed layering process similar to that described in US 5,324,649 , US 6,602,841 B1 and US2008/0206830A1 .
• Enzymes according to this embodiment can also be made by a combination of processes.
• Such enzyme co-granules are built around a core that can be free of enzymes or contain enzymes (preferably comprising an moisture sink material, more preferably sodium sulphate) that can be made using a variety of processes including use of either a mixer granulator or an extruder.
• the cores are then treated in a fluid bed process wherein the enzyme is sprayed onto the core.
• the core is then coated by a layer, preferably comprising an moisture sink material, and more preferably sodium sulphate and finally is coated with a polymer selected from the group comprising hydroxpropylmethylcellulose and/or polyvinylalcohol and derivatives thereof, optionally also containing additional titanium dioxide, polyethylene glycol and/or kaolin or any mixtures thereof.
• a layer preferably comprising an moisture sink material, and more preferably sodium sulphate
• the granulate comprises from about 30% to about 75%, preferably from about 40 to about 50% by weight of the granulate of an moisture sink material, selected from the group comprising sodium sulphate, sodium citrate and mixtures thereof, preferably sodium sulphate.
• an moisture sink material selected from the group comprising sodium sulphate, sodium citrate and mixtures thereof, preferably sodium sulphate.
• the enzyme co-granules have a weight geometric mean particle size of from about 200 ⁇ m to about 1200 ⁇ m, more preferably from about 300 ⁇ m to about 1000 ⁇ m and especially from about 400 ⁇ m to about 600 ⁇ m.
• compositions of the invention comprise less than 10 wt% zeolite (anhydrous basis), more preferably less than 7 or 5 or even below 3wt% zeolite. Zeolite may even be completely absent from the detergent compositions of the invention.
• compositions of the invention comprise less than 10 wt% phosphate salt (anhydrous basis), more preferably less than 7 or 5 or even below 3wt% phosphate salt. Phosphate salts may even be completely absent from the detergent compositions of the invention.
• compositions of the invention comprise from 20 to 80 wt% detergent moisture sink, preferably from 25, or 30 or 35 or 40 wt% to 75 wt% detergent moisture sink.
• Suitable detergent moisture sink components are capable of absorbing moisture and selected from the group consisting of (a) hydratable sulphate salts, (b) dessicated clays, (c) bio-filler, and (d) mixtures thereof.
• Useful salts are typically as hydratable sodium, calcium, magnesium salts of sulphate and mixtures thereof. Sodium sulphate is particularly preferred, most preferably in its anhydrous form. Light salts may also be preferred.
• suitable clays are talc, calcite, kaolin, dolomite and bentonite.
• Preferred dessicated clays have a moisture content of from 0.1 to 20 wt% free moisture, more preferably from 0.1 to 15 or even 0.1 to 10 or even 5 wt% free moisture.
• Suitable as bio-filler is any water soluble or water insoluble agricultural by-product. Examples of water-insoluble agricultural by-products are described in WO2007/147698 .
• Preferred bio-fillers have a moisture content of from 0.1 to 20 wt% free moisture, more preferably from 0.1 to 15 or even 0.1 to 10 wt% or even 5 wt% free moisture.
• Sodium sulphate is the most preferred detergent moisture sink component.
• the detergent moisture sink component may be dry-added to other detergent adjunct ingredients or may be incorporated into the detergent composition via a pre-formed particle such as an agglomerate or blown powder (particulate formed from a spray-drying process), or may be incorporated via a mixture of these routes.
• the detergent moisture sink component is incorporated into the detergent composition as a dry-added particulate component comprising at least 80 wt%, or even at least 90 wt% or even at least 95 wt% of the detergent moisture sink and in addition via a blown powder comprising from 15 to 70 wt%, or from 20 to 60 wt% based on the blown powder, of the detergent moisture sink component.
• the moisture sink component is incorporated via an agglomerate particle and/or blown powder particle such particle will comprise at least 10 wt% surfactant, based on the weight of the particle.
• the compostion will comprise dry-added sodium sulphate and blown powder and/or agglomerate, preferably blown powder, comprising sodium sulphate.
• the detergent composition additionally comprises a dye transfer inhibiting agent and/or a fabric hueing agents.
• the detergent compositions of the invention may comprise one or more (detergent) adjunct materials. These may enhance cleaning performance, for treatment of the substrate to be cleaned, or modify the aesthetics of the composition for example as is the case with perfumes, speckles, colorants, dyes or the like.
• the levels of any such adjuncts incorporated in the composition of the invention any fabric and home care product are in addition to any materials previously recited for incorporation. The precise nature of these additional components, and levels of incorporation thereof, will depend on the physical form of the consumer product and the nature of the cleaning operation for which it is to be used.
• Suitable adjunct materials include, but are not limited to, surfactants, builders, chelating agents, dye transfer inhibiting agents, dispersants, enzymes, and enzyme stabilizers, catalytic materials, bleach activators, hydrogen peroxide, sources of hydrogen peroxide, preformed peracids, polymeric dispersing agents, clay soil removal/anti-redeposition agents, brighteners, suds suppressors, dyes, hueing dyes, perfumes, perfume delivery systems, structure elasticizing agents, fabric softeners, carriers, hydrotropes, processing aids, solvents and/or pigments. Examples of suitable adjuncts are described below. In addition to the disclosure below, suitable examples of such other adjuncts and levels of use are found in U.S. Patent Nos. 5,576,282 , 6,306,812 B1 and 6,326,348 B1 that are incorporated by reference.
• the composition may comprise a fabric hueing agent.
• suitable fabric hueing agents include dyes, dye-clay conjugates, and pigments.
• Suitable dyes include small molecule dyes and polymeric dyes.
• Suitable small molecule dyes include small molecule dyes selected from the group consisting of dyes falling into the Colour Index (C.I.) classifications of Direct Blue, Direct Red, Direct Violet, Acid Blue, Acid Red, Acid Violet, Basic Blue, Basic Violet and Basic Red, or mixtures thereof.
• suitable small molecule dyes include small molecule dyes selected from the group consisting of Colour Index (Society of Dyers and Colourists, Bradford, UK) numbers Direct Violet 9, Direct Violet 35, Direct Violet 48, Direct Violet 51, Direct Violet 66, Direct Violet 99, Direct Blue 1, Direct Blue 71, Direct Blue 80, Direct Blue 279, Acid Red 17, Acid Red 73, Acid Red 88, Acid Red 150, Acid Violet 15, Acid Violet 17, Acid Violet 24, Acid Violet 43, Acid Red 52, Acid Violet 49, Acid Blue 15, Acid Blue 17, Acid Blue 25, Acid Blue 29, Acid Blue 40, Acid Blue 45, Acid Blue 75, Acid Blue 80, Acid Blue 83, Acid Blue 90 and Acid Blue 113, Acid Black 1, Basic Violet 1, Basic Violet 3, Basic Violet 4, Basic Violet 10, Basic Violet 35, Basic Blue 3, Basic Blue 16, Basic Blue 22, Basic Blue 47, Basic Blue 66, Basic Blue 75, Basic Blue 159 and mixtures thereof.
• Colour Index Society of Dyers and Colourists, Bradford, UK
• suitable small molecule dyes include small molecule dyes selected from the group consisting of Colour Index (Society of Dyers and Colourists, Bradford, UK) numbers Acid Violet 17, Acid Violet 43, Acid Red 52, Acid Red 73, Acid Red 88, Acid Red 150, Acid Blue 25, Acid Blue 29, Acid Blue 45, Acid Blue 113, Acid Black 1, Direct Blue 1, Direct Blue 71, Direct Violet 51 and mixtures thereof.
• suitable small molecule dyes include small molecule dyes selected from the group consisting of Colour Index (Society of Dyers and Colourists, Bradford, UK) numbers Acid Violet 17, Direct Blue 71, Direct Violet 51, Direct Blue 1, Acid Red 88, Acid Red 150, Acid Blue 29, Acid Blue 113 or mixtures thereof.
• Suitable polymeric dyes include polymeric dyes selected from the group consisting of polymers containing conjugated chromogens (dye-polymer conjugates) and polymers with chromogens co-polymerized into the backbone of the polymer and mixtures thereof.
• suitable polymeric dyes include polymeric dyes selected from the group consisting of fabric-substantive colorants sold under the name of Liquitint® (Milliken, Spartanburg, South Carolina, USA), dye-polymer conjugates formed from at least one reactive dye and a polymer selected from the group consisting of polymers comprising a moiety selected from the group consisting of a hydroxyl moiety, a primary amine moiety, a secondary amine moiety, a thiol moiety and mixtures thereof.
• suitable polymeric dyes include polymeric dyes selected from the group consisting of Liquitint® (Milliken, Spartanburg, South Carolina, USA) Violet CT, carboxymethyl cellulose (CMC) conjugated with a reactive blue, reactive violet or reactive red dye such as CMC conjugated with C.I. Reactive Blue 19, sold by Megazyme, Wicklow, Ireland under the product name AZO-CM-CELLULOSE, product code S-ACMC, alkoxylated triphenyl-methane polymeric colourants, alkoxylated thiophene polymeric colourants, and mixtures thereof.
• Liquitint® Moquitint®
• CMC carboxymethyl cellulose
• a reactive blue, reactive violet or reactive red dye such as CMC conjugated with C.I. Reactive Blue 19, sold by Megazyme, Wicklow, Ireland under the product name AZO-CM-CELLULOSE
• product code S-ACMC alkoxylated triphenyl-methane polymeric colourants, alkoxylated
• Suitable dye clay conjugates include dye clay conjugates selected from the group comprising at least one cationic/basic dye and a smectite clay, and mixtures thereof.
• suitable dye clay conjugates include dye clay conjugates selected from the group consisting of one cationic/basic dye selected from the group consisting of C.I. Basic Yellow 1 through 108, C.I. Basic Orange 1 through 69, C.I. Basic Red 1 through 118, C.I. Basic Violet 1 through 51, C.I. Basic Blue 1 through 164, C.I. Basic Green 1 through 14, C.I. Basic Brown 1 through 23, CI Basic Black 1 through 11, and a clay selected from the group consisting of Montmorillonite clay, Hectorite clay, Saponite clay and mixtures thereof.
• suitable dye clay conjugates include dye clay conjugates selected from the group consisting of: Montmorillonite Basic Blue B7 C.I. 42595 conjugate, Montmorillonite Basic Blue B9 C.I. 52015 conjugate, Montmorillonite Basic Violet V3 C.I. 42555 conjugate, Montmorillonite Basic Green G1 C.I. 42040 conjugate, Montmorillonite Basic Red R1 C.I. 45160 conjugate, Montmorillonite C.I. Basic Black 2 conjugate, Hectorite Basic Blue B7 C.I. 42595 conjugate, Hectorite Basic Blue B9 C.I. 52015 conjugate, Hectorite Basic Violet V3 C.I.
• Suitable pigments include pigments selected from the group consisting of flavanthrone, indanthrone, chlorinated indanthrone containing from 1 to 4 chlorine atoms, pyranthrone, dichloropyranthrone, monobromodichloropyranthrone, dibromodichloropyranthrone, tetrabromopyranthrone, perylene-3,4,9,10-tetracarboxylic acid diimide, wherein the imide groups may be unsubstituted or substituted by C1-C3 -alkyl or a phenyl or heterocyclic radical, and wherein the phenyl and heterocyclic radicals may additionally carry substituents which do not confer solubility in water, anthrapyrimidinecarboxylic acid amides, violanthrone, isoviolanthrone, dioxazine pigments, copper phthalocyanine which may contain up to 2 chlorine atoms per molecule, polychloro
• suitable pigments include pigments selected from the group consisting of Ultramarine Blue (C.I. Pigment Blue 29), Ultramarine Violet (C.I. Pigment Violet 15) and mixtures thereof.
• the aforementioned fabric hueing agents can be used in combination (any mixture of fabric hueing agents can be used).
• Suitable fabric hueing agents can be purchased from Aldrich, Milwaukee, Wisconsin, USA; Ciba Specialty Chemicals, Basel, Switzerland; BASF, Ludwigshafen, Germany; Dayglo Color Corporation, Mumbai, India; Organic Dyestuffs Corp., East Lexington, Rhode Island, USA; Dystar, Frankfurt, Germany; Lanxess, Leverkusen, Germany; Megazyme, Wicklow, Ireland; Clariant, Muttenz, Switzerland; Avecia, Manchester, UK and/or made in accordance with the examples contained herein. Suitable hueing agents are described in more detail in US 7,208,459 B2 .
• the composition may comprise an encapsulate.
• an encapsulate comprising a core, a shell having an inner and outer surface, said shell encapsulating said core.
• said core may comprise a material selected from the group consisting of perfumes; brighteners; dyes; insect repellants; silicones; waxes; flavors; vitamins; fabric softening agents; skin care agents in one aspect, paraffins; enzymes; antibacterial agents; bleaches; sensates; and mixtures thereof; and said shell may comprise a material selected from the group consisting of polyethylenes; polyamides; polystyrenes; polyisoprenes; polycarbonates; polyesters; polyacrylates; aminoplasts, in one aspect said aminoplast may comprise a polyureas, polyurethane, and/or polyureaurethane, in one aspect said polyurea may comprise polyoxymethyleneurea and/or melamine formaldehyde; polyolefins; polysaccharides, in one aspect said polysaccharide may comprise alginate and/or chitosan; gelatin; shellac; epoxy resins; vinyl polymers; water insoluble inorganics; silicone;
• suitable encapsulates may comprise a core material and a shell, said shell at least partially surrounding said core material, is disclosed. At least 75%, 85% or even 90% of said encapsulates may have a fracture strength of from about 0.2 MPa to about 10 MPa, from about 0.4 MPa to about 5MPa, from about 0.6 MPa to about 3.5 MPa, or even from about 0.7 MPa to about 3MPa; and a benefit agent leakage of from 0% to about 30%, from 0% to about 20%, or even from 0% to about 5%.
• At least 75%, 85% or even 90% of said encapsulates may have a particle size of from about 1 microns to about 80 microns, about 5 microns to 60 microns, from about 10 microns to about 50 microns, or even from about 15 microns to about 40 microns. In one aspect, at least 75%, 85% or even 90% of said encapsulates may have a particle wall thickness of from about 30 nm to about 250 nm, from about 80 nm to about 180 nm, or even from about 100 nm to about 160 nm.
• said encapsulates' core material may comprise a material selected from the group consisting of a perfume raw material and/or optionally a material selected from the group consisting of vegetable oil, including neat and/or blended vegetable oils including caster oil, coconut oil, cottonseed oil, grape oil, rapeseed, soybean oil, corn oil, palm oil, linseed oil, safflower oil, olive oil, peanut oil, coconut oil, palm kernel oil, castor oil, lemon oil and mixtures thereof; esters of vegetable oils, esters, including dibutyl adipate, dibutyl phthalate, butyl benzyl adipate, benzyl octyl adipate, tricresyl phosphate, trioctyl phosphate and mixtures thereof; straight or branched chain hydrocarbons, including those straight or branched chain hydrocarbons having a boiling point of greater than about 80 °C; partially hydrogenated terphenyls, dialkyl phthalates, alky
• said encapsulates' wall material may comprise a suitable resin including the reaction product of an aldehyde and an amine
• suitable aldehydes include, formaldehyde.
• suitable amines include melamine, urea, benzoguanamine, glycoluril, and mixtures thereof.
• Suitable melamines include, methylol melamine, methylated methylol melamine, imino melamine and mixtures thereof.
• Suitable ureas include, dimethylol urea, methylated dimethylol urea, urea-resorcinol, and mixtures thereof.
• suitable formaldehyde scavengers may be employed with the encapsulates, for example, in a capsule slurry and/or added to a consumer product before, during or after the encapsulates are added to such consumer product.
• Suitable capsules that can be made by following the teaching of USPA 2008/0305982 A1 ; and/or USPA 2009/0247449 A1 .
• suitable capsules can be purchased from Appleton Papers Inc. of Appleton, Wisconsin USA.
• the materials for making the aforementioned encapsulates can be obtained from Solutia Inc. (St Louis, Missouri U.S.A.), Cytec Industries (West Paterson, New Jersey U.S.A.), sigma-Aldrich (St. Louis, Missouri U.S.A.), CP Kelco Corp. of San Diego, California, USA; BASF AG of Ludwigshafen, Germany; Rhodia Corp. of Cranbury, New Jersey, USA; Hercules Corp. of Wilmington, Delaware, USA; Agrium Inc.
• the consumer product may comprise one or more polymers.
• Examples are carboxymethylcellulose, poly(vinyl-pyrrolidone), poly (ethylene glycol), poly(vinyl alcohol), poly(vinylpyridine-N-oxide), poly(vinylimidazole), polycarboxylates such as polyacrylates, maleic/acrylic acid copolymers and lauryl methacrylate/acrylic acid co-polymers.
• the consumer product may comprise amphiphilic alkoxylated grease cleaning polymers which have balanced hydrophilic and hydrophobic properties such that they remove grease particles from fabrics and surfaces.
• amphiphilic alkoxylated grease cleaning polymers of the present invention comprise a core structure and a plurality of alkoxylate groups attached to that core structure. These may comprise alkoxylated polyalkylenimines, preferably having an inner polyethylene oxide block and an outer polypropylene oxide block.
• Carboxylate polymer - The detergent composition of the present invention may also include one or more carboxylate polymers such as a maleate/acrylate random copolymer or polyacrylate homopolymer.
• the carboxylate polymer is a polyacrylate homopolymer having a molecular weight of from 4,000 Da to 9,000 Da, or from 6,000 Da to 9,000 Da.
• Soil release polymer - The detergent composition of the present invention may also include one or more soil release polymers having a structure as defined by one of the following structures (I), (II) or (III): (I) -[(OCHR 1 -CHR 2 ) a -O-OC-Ar-CO-] d (II) -[(OCHR 3 -CHR 4 ) b -O-OC-sAr-CO-] e (III) -[(OCHR 5 -CHR 6 ) c -OR 7 ] f wherein:
• Suitable soil release polymers are polyester soil release polymers such as Repel-o-tex polymers, including Repel-o-tex SF, SF-2 and SRP6 supplied by Rhodia.
• Other suitable soil release polymers include Texcare polymers, including Texcare SRA100, SRA300, SRN100, SRN170, SRN240, SRN300 and SRN325 supplied by Clariant.
• Other suitable soil release polymers are Marloquest polymers, such as Marloquest SL supplied by Sasol.
• Cellulosic polymer - The detergent composition of the present invention may also include one or more cellulosic polymers including those selected from alkyl cellulose, alkyl alkoxyalkyl cellulose, carboxyalkyl cellulose, alkyl carboxyalkyl cellulose.
• the cellulosic polymers are selected from the group comprising carboxymethyl cellulose, methyl cellulose, methyl hydroxyethyl cellulose, methyl carboxymethyl cellulose, and mixures thereof.
• the carboxymethyl cellulose has a degree of carboxymethyl substitution from 0.5 to 0.9 and a molecular weight from 100,000 Da to 300,000 Da.
• the detergent composition may comprise one or more additional enzymes which provide cleaning performance and/or fabric care benefits.
• suitable enzymes include, but are not limited to, hemicellulases, peroxidases, proteases, cellulases, xylanases, lipases, phospholipases, esterases, cutinases, pectinases, mannanases, pectate lyases, keratinases, reductases, oxidases, phenoloxidases, lipoxygenases, ligninases, pullulanases, tannases, pentosanases, malanases, ß-glucanases, arabinosidases, hyaluronidase, chondroitinase, laccase, and amylases, or mixtures thereof.
• a typical combination is an enzyme cocktail that may comprise, for example, a protease and lipase in conjunction with amylase.
• the aforementioned additional enzymes may be present at levels from about 0.00001% to about 2%, from about 0.0001% to about 1% or even from about 0.001% to about 0.5% enzyme protein by weight of the consumer product.
• the detailed information given below relates to enzymes suitable for incorporation into the co-granule or the detergent composition more generally other than via the co-granule.
• Suitable proteases include metalloproteases and serine proteases, including neutral or alkaline microbial serine proteases, such as subtilisins (EC 3.4.21.62).
• Suitable proteases include those of animal, vegetable or microbial origin. In one aspect, such suitable protease may be of microbial origin.
• the suitable proteases include chemically or genetically modified mutants of the aforementioned suitable proteases.
• the suitable protease may be a serine protease, such as an alkaline microbial protease or/and a trypsin-type protease.
• suitable neutral or alkaline proteases include:
• Preferred proteases include those derived from Bacillus gibsonii or Bacillus Lentus.
• Suitable commercially available protease enzymes include those sold under the trade names Alcalase®, Savinase®, Primase®, Durazym®, Polarzyme®, Kannase®, Liquanase®, Liquanase Ultra®, Savinase Ultra®, Ovozyme®, Neutrase®, Everlase® and Esperase® by Novozymes A/S (Denmark), those sold under the tradename Maxatase®, Maxacal®, Maxapem®, Properase®, Purafect®, Purafect Prime®, Purafect Ox®, FN3®, FN4®, Excellase® and Purafect OXP® by Genencor International, those sold under the tradename Opticlean® and Optimase® by Solvay Enzymes, those available from Henkel/ Kemira, namely BLAP (sequence shown in Figure 29 of US 5,352,604 with the folowing mutations S99D + S101 R + S
• Suitable alpha-amylases include those of bacterial or fungal origin. Chemically or genetically modified mutants (variants) are included.
• a preferred alkaline alpha-amylase is derived from a strain of Bacillus, such as Bacillus licheniformis, Bacillus amyloliquefaciens, Bacillus stearothermophilus, Bacillus subtilis, or other Bacillus sp., such as Bacillus sp. NCIB 12289, NCIB 12512, NCIB 12513, DSM 9375 ( USP 7,153,818 ) DSM 12368, DSMZ no. 12649, KSM AP1378 ( WO 97/00324 ), KSM K36 or KSM K38 ( EP 1,022,334 ).
• Preferred amylases include:
• Suitable commercially available alpha-amylases include DURAMYL®, LIQUEZYME®, TERMAMYL®, TERMAMYL ULTRA®, NATALASE®, SUPRAMYL®, STAINZYME®, STAINZYME PLUS®, FUNGAMYL® and BAN® (Novozymes A/S, Bagsvaerd, Denmark), KEMZYM® AT 9000 Biozym Biotech Trading GmbH Wehlistrasse 27b A-1200 Wien Austria, RAPIDASE® , PURASTAR®, ENZYSIZE®, OPTISIZE HT PLUS® and PURASTAR OXAM® (Genencor International Inc., Palo Alto, California) and KAM® (Kao, 14-10 Nihonbashi Kayabacho, 1-chome, Chuo-ku Tokyo 103-8210, Japan).
• suitable amylases include NATALASE®, STAINZYME® and STAINZYME PLUS® and mixtures thereof.
• such enzymes may be selected from the group consisting of: lipases, including "first wash lipases” such as those described in U.S. Patent 6,939,702 B1 and US PA 2009/0217464 .
• the lipase is a first-wash lipase, preferably a variant of the wild-type lipase from Thermomyces lanuginosus comprising T231R and N233R mutations.
• the wild-type sequence is the 269 amino acids (amino acids 23 - 291) of the Swissprot accession number Swiss-Prot 059952 (derived from Thermomyces lanuginosus (Humicola lanuginosa)).
• Preferred lipases would include those sold under the tradenames Lipex® and Lipolex®.
• other preferred enzymes include microbial-derived endoglucanases exhibiting endo-beta-1,4-glucanase activity (E.C. 3.2.1.4), including a bacterial polypeptide endogenous to a member of the genus Bacillus which has a sequence of at least 90%, 94%, 97% and even 99% identity to the amino acid sequence SEQ ID NO:2 in 7,141,403B2) and mixtures thereof.
• Suitable endoglucanases are sold under the tradenames Celluclean® and Whitezyme® (Novozymes A/S, Bagsvaerd, Denmark).
• Pectate lyases sold under the tradenames Pectawash®, Pectaway®, Xpect® and mannanases sold under the tradenames Mannaway® (all from Novozymes A/S, Bagsvaerd, Denmark), and Purabrite® (Genencor International Inc., Palo Alto, California).
• the detergent composition of the present invention may comprise one or more bleaching agents.
• Suitable bleaching agents other than bleaching catalysts include photobleaches, bleach activators, hydrogen peroxide, sources of hydrogen peroxide, pre-formed peracids and mixtures thereof.
• the detergent composition of the present invention may comprise from about 0.1% to about 50% or even from about 0.1% to about 25% bleaching agent by weight of the subject consumer product.
• suitable bleaching agents include:
• the pre-formed peroxyacid or salt thereof can also be a peroxysulphonic acid or salt thereof, typically having a chemical structure corresponding to the following chemical formula: wherein: R 15 is selected from alkyl, aralkyl, cycloalkyl, aryl or heterocyclic groups; the R 15 group can be linear or branched, substituted or unsubstituted; and Z is any suitable counter-ion that achieves electric charge neutrality, preferably Z is selected from hydrogen, sodium or potassium.
• R 15 is a linear or branched, substituted or unsubstituted C 6-9 alkyl.
• bleach components may be present in the compositions of the invention in an amount from 0.01 to 50%, most preferably from 0.1% to 20%;
• the peracid and/or bleach activator is generally present in the consumer product in an amount of from about 0.1 to about 60 wt%, from about 0.5 to about 40 wt % or even from about 0.6 to about 10 wt% based on the fabric and home care product.
• One or more hydrophobic peracids or precursors thereof may be used in combination with one or more hydrophilic peracid or precursor thereof.
• the amounts of hydrogen peroxide source and peracid or bleach activator may be selected such that the molar ratio of available oxygen (from the peroxide source) to peracid is from 1:1 to 35:1, or even 2:1 to 10:1.
• the bleach catalyst has a structure corresponding to general formula below: wherein R 13 is selected from the group consisting of 2-ethylhexyl, 2-propylheptyl, 2-butyloctyl, 2-pentylnonyl, 2-hexyldecyl, n-dodecyl, n-tetradecyl, n-hexadecyl, n-octadecyl, isononyl, iso-decyl, iso-tridecyl and iso-pentadecyl;
• Cobalt bleach catalysts useful herein are known, and are described, for example, in U.S. 5,597,936 ; U.S. 5,595,967 . Such cobalt catalysts are readily prepared by known procedures, such as taught for example in U.S. 5,597,936 , and U.S. 5,595,967 .
• compositions herein may also suitably include a transition metal complex of ligands such as bispidones ( US 7,501,389 ) and/or macropolycyclic rigid ligands - abbreviated as "MRLs".
• MRLs macropolycyclic rigid ligands - abbreviated as "MRLs”.
• the compositions and processes herein can be adjusted to provide on the order of at least one part per hundred million of the active MRL species in the aqueous washing medium, and will typically provide from about 0.005 ppm to about 25 ppm, from about 0.05 ppm to about 10 ppm, or even from about 0.1 ppm to about 5 ppm, of the MRL in the wash liquor.
• Suitable transition-metals in the instant transition-metal bleach catalyst include, for example, manganese, iron and chromium.
• Suitable MRLs include 5,12-diethyl-1,5,8,12-tetraazabicyclo[6.6.2]hexadecane.
• Suitable transition metal MRLs are readily prepared by known procedures, such as taught for example in U.S. 6,225,464 and WO 00/32601 .
• the detergent composition according to the present invention may comprise a surfactant or surfactant system wherein the surfactant can be selected from nonionic surfactants, anionic surfactants, cationic surfactants, ampholytic surfactants, zwitterionic surfactants, semi-polar nonionic surfactants and mixtures thereof.
• surfactant is typically present at a level of from about 0.1% to about 60%, from about 1% to about 50% or even from about 5% to about 40% by weight of the subject consumer product.
• Suitable anionic detersive surfactants include sulphate and sulphonate detersive surfactants.
• Suitable sulphonate detersive surfactants include alkyl benzene sulphonate, in one aspect, C 10-13 alkyl benzene sulphonate.
• Suitable alkyl benzene sulphonate (LAS) may be obtained, by sulphonating commercially available linear alkyl benzene (LAB); suitable LAB includes low 2-phenyl LAB, such as those supplied by Sasol under the tradename Isochem® or those supplied by Petresa under the tradename Petrelab®, other suitable LAB include high 2-phenyl LAB, such as those supplied by Sasol under the tradename Hyblene®.
• a suitable anionic detersive surfactant is alkyl benzene sulphonate that is obtained by DETAL catalyzed process, although other synthesis routes, such as HF, may also be suitable.
• Suitable sulphate detersive surfactants include alkyl sulphate, in one aspect, C 8-18 alkyl sulphate, or predominantly C 12 alkyl sulphate.
• alkyl alkoxylated sulphate in one aspect, alkyl ethoxylated sulphate, in one aspect, a C 8-18 alkyl alkoxylated sulphate, in another aspect, a C 8-18 alkyl ethoxylated sulphate, typically the alkyl alkoxylated sulphate has an average degree of alkoxylation of from 0.5 to 20, or from 0.5 to 10, typically the alkyl alkoxylated sulphate is a C 8-18 alkyl ethoxylated sulphate having an average degree of ethoxylation of from 0.5 to 10, from 0.5 to 7, from 0.5 to 5 or even from 0.5 to 3.
• the alkyl sulphate, alkyl alkoxylated sulphate and alkyl benzene sulphonates may be linear or branched, substituted or unsubstituted.
• the detersive surfactant may be a mid-chain branched detersive surfactant, in one aspect, a mid-chain branched anionic detersive surfactant, in one aspect, a mid-chain branched alkyl sulphate and/or a mid-chain branched alkyl benzene sulphonate, for example a mid-chain branched alkyl sulphate.
• the mid-chain branches are C 1-4 alkyl groups, typically methyl and/or ethyl groups.
• Suitable non-ionic detersive surfactants are selected from the group consisting of: C 8 -C 18 alkyl ethoxylates, such as, NEODOL® non-ionic surfactants from Shell; C 6 -C 12 alkyl phenol alkoxylates wherein the alkoxylate units may be ethyleneoxy units, propyleneoxy units or a mixture thereof; C 12 -C 18 alcohol and C 6 -C 12 alkyl phenol condensates with ethylene oxide/propylene oxide block polymers such as Pluronic® from BASF; C 14 -C 22 mid-chain branched alcohols; C 14 -C 22 mid-chain branched alkyl alkoxylates, typically having an average degree of alkoxylation of from 1 to 30; alkylpolysaccharides, in one aspect, alkylpolyglycosides; polyhydroxy fatty acid amides; ether capped poly(oxyalkylated) alcohol surfactants; and mixtures thereof.
• non-ionic detersive surfactants include alkyl polyglucoside and/or an alkyl alkoxylated alcohol.
• non-ionic detersive surfactants include alkyl alkoxylated alcohols, in one aspect C 8-18 alkyl alkoxylated alcohol, for example a C 8-18 alkyl ethoxylated alcohol, the alkyl alkoxylated alcohol may have an average degree of alkoxylation of from 1 to 50, from 1 to 30, from 1 to 20, or from 1 to 10.
• the alkyl alkoxylated alcohol may be a C 8-18 alkyl ethoxylated alcohol having an average degree of ethoxylation of from 1 to 10, from 1 to 7, more from 1 to 5 or from 3 to 7.
• the alkyl alkoxylated alcohol can be linear or branched, and substituted or un-substituted.
• Suitable cationic detersive surfactants include alkyl pyridinium compounds, alkyl quaternary ammonium compounds, alkyl quaternary phosphonium compounds, alkyl ternary sulphonium compounds, and mixtures thereof.
• Suitable cationic detersive surfactants are quaternary ammonium compounds having the general formula: (R)(R 1 )(R 2 )(R 3 )N + X - wherein, R is a linear or branched, substituted or unsubstituted C 6-18 alkyl or alkenyl moiety, R 1 and R 2 are independently selected from methyl or ethyl moieties, R 3 is a hydroxyl, hydroxymethyl or a hydroxyethyl moiety, X is an anion which provides charge neutrality, suitable anions include: halides, for example chloride; sulphate; and sulphonate.
• Suitable cationic detersive surfactants are mono-C 6-18 alkyl mono-hydroxyethyl di-methyl quaternary ammonium chlorides. Highly suitable cationic detersive surfactants are mono-C 8-10 alkyl mono-hydroxyethyl di-methyl quaternary ammonium chloride, mono-C 10-12 alkyl mono-hydroxyethyl di-methyl quaternary ammonium chloride and mono-C 10 alkyl mono-hydroxyethyl di-methyl quaternary ammonium chloride.
• the detergent composition herein may contain a chelating agent. Suitable chelating agents include copper, iron and/or manganese chelating agents and mixtures thereof. When a chelating agent is used, the subject consumer product may comprise from about 0.005% to about 15% or even from about 3.0% to about 10% chelating agent by weight of the subject consumer product.
• Suitable chelants include DTPA (Diethylene triamine pentaacetic acid), HEDP (Hydroxyethane diphosphonic acid), DTPMP (Diethylene triamine penta(methylene phosphonic acid)), 1,2-Dihydroxybenzene-3,5-disulfonic acid disodium salt hydrate, ethylenediamine, diethylene triamine, ethylenediaminedisuccinic acid (EDDS), N-hydroxyethylethylenediaminetri-acetic acid (HEDTA), triethylenetetraaminehexaacetic acid (TTHA), N-hydroxyethyliminodiacetic acid (HEIDA), dihydroxyethylglycine (DHEG), ethylenediaminetetrapropionic acid (EDTP) and derivatives thereof.
• DTPA Diethylene triamine pentaacetic acid
• HEDP Hydroxyethane diphosphonic acid
• DTPMP Diethylene triamine penta(methylene phosphonic acid)
• the detergent composition of the present invention may also include one or more dye transfer inhibiting agents.
• Suitable polymeric dye transfer inhibiting agents include, but are not limited to, polyvinylpyrrolidone polymers, polyamine N-oxide polymers, copolymers of N-vinylpyrrolidone and N-vinylimidazole, polyvinyloxazolidones and polyvinylimidazoles or mixtures thereof.
• the dye transfer inhibiting agents may be present at levels from about 0.0001% to about 10%, from about 0.01% to about 5% or even from about 0.1% to about 3% by weight of the consumer product.
• Brighteners The detergent composition of the present invention can also contain additional components that may tint articles being cleaned, such as fluorescent brighteners.
• composition may comprise C.I. fluorescent brightener 260 in alpha-crystalline form having the following structure:
• the brightener is a cold water soluble brightener, such as the C.I. fluorescent brightener 260 in alpha-crystalline form.
• the brightener is predominantly in alpha-crystalline form, which means that typically at least 50wt%, at least 75wt%, at least 90wt%, at least 99wt%, or even substantially all, of the C.I. fluorescent brightener 260 is in alpha-crystalline form.
• the brightener is typically in micronized particulate form, having a weight average primary particle size of from 3 to 30 micrometers, from 3 micrometers to 20 micrometers, or from 3 to 10 micrometers.
• the composition may comprise C.I. fluorescent brightener 260 in beta-crystalline form, and the weight ratio of: (i) C.I. fluorescent brightener 260 in alpha-crystalline form, to (ii) C.I. fluorescent brightener 260 in beta-crystalline form may be at least 0.1, or at least 0.6.
• BE680847 relates to a process for making C.I fluorescent brightener 260 in alpha-crystalline form.
• Suitable fluorescent brightener levels include lower levels of from about 0.01, from about 0.05, from about 0.1 or even from about 0.2 wt % to upper levels of 0.5 or even 0.75 wt %.
• Silicate salts - The detergent composition of the present invention can also contain silicate salts, such as sodium or potassium silicate.
• the composition may comprise from 0wt% to less than 10wt% silicate salt, to 9wt%, or to 8wt%, or to 7wt%, or to 6wt%, or to 5wt%, or to 4wt%, or to 3wt%, or even to 2wt%, and preferably from above 0wt%, or from 0.5wt%, or even from 1wt% silicate salt.
• a suitable silicate salt is sodium silicate.
• Dispersants - The detergent composition of the present invention can also contain dispersants.
• Suitable water-soluble organic materials include the homo- or co-polymeric acids or their salts, in which the polycarboxylic acid comprises at least two carboxyl radicals separated from each other by not more than two carbon atoms.
• Enzyme Stabilizers - Enzymes for use in the detergent composition can be stabilized by various techniques.
• the enzymes employed herein can be stabilized by the presence of water-soluble sources of calcium and/or magnesium ions in the finished fabric and home care products that provide such ions to the enzymes.
• a reversible protease inhibitor such as a boron compound, or compounds such as calcium formate, sodium formate and 1,2-propane diol can be added to further improve stability.
• Solvents - Suitable solvents include water and other solvents such as lipophilic fluids.
• suitable lipophilic fluids include siloxanes, other silicones, hydrocarbons, glycol ethers, glycerine derivatives such as glycerine ethers, perfluorinated amines, perfluorinated and hydrofluoroether solvents, low-volatility nonfluorinated organic solvents, diol solvents, other environmentally-friendly solvents and mixtures thereof.
• the detergent composition of the present invention are preferably in granular form, optionally the granules being incorporated into a unit dose detergent composition as described above.
• the present invention includes a method of treating and/or cleaning a surface, preferably a fabric surface comprising the steps of (i) contacting said surface with a composition according to any of claims 1 to 11 in an aqueous wash liquor, (ii) rinsing and/or drying the surface, preferably the temperature of the aqueous liquor is from 5 - 25°C and preferably the aqueous liquor comprises from 0.1g/l to 3g/l of surfactant.
• Enzyme co-granules are prepared according to the process described in example 1 of US2008/0206830A1 , however the granules each comprising the enzymes as outlined and in the weight ratios in the formulation examples below.
• the enzyme granules comprise a core of enzyme, sucrose/starch and magnesium sulphate heptahydrate (relative weight ratio approximately 6:68:27), and a coating comprising polyvinyl alcohol, titanium dioxide and nonionic surfactant (relative weight ratio approximately 40:50:10).
• the enzyme concentration in the granules is approximately 40g/kg.
• Granular laundry detergent compositions designed for hand washing or top-loading washing machines. 1 (wt%) 2 (wt %) 3 (wt %) 4 (wt %) 5 (wt %) 6 (wt %) 7 (wt %) Linear alkylbenzenesulfonate 18 20 22 20 15 20 20 C 12-14 Dimethylhydroxyethyl ammonium chloride 0.5 0.7 0.2 1 0.6 0.0 0 AE3S 1.0 0.9 1 0.9 0.0 0.5 0.9 AE7 2.0 0.0 0.0 0.0 1 0.0 3 Sodium tripolyphosphate 5 5 0.0 4 9 2 0.0 Zeolite A 0 0.0 1 0.0 1 4 1 1.6R Silicate (SiO 2 :Na 2 O at ratio 1.6:1) 6 7 5 2 3 3 5 Sodium carbonate 26 25 20 25 17 18 19 Polyacrylate MW 4500 1 1 0.6 1 1 1.5 1 Random graft copolymer 1 0.1 0.1 0.2 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Carbox
• Granular laundry detergent compositions designed for front-loading automatic washing machines 8 (wt%) 9 (wt%) 10 (wt%) 11 (wt%) 12 (wt%) 13 (wt%) Linear alkylbenzenesulfonate 8 7.1 7 6.5 7.5 7.5 AE3S 0 4.8 0 5.2 4 4 C12-14 Alkylsulfate 1 0 1 0 0 0 AE7 2.2 0 3.2 0 0 0 C 10-12 Dimethyl hydroxyethylammonium chloride 0.75 0.94 0.98 0.98 0 0 Crystalline layered silicate (8-Na 2 Si 2 O 5 ) 4.1 0 4.8 0 0 0 0 Zeolite A 5 0 5 0 2 2 Citric Acid 3 5 3 4 2.5 3 Sodium Carbonate 15 20 14 20 23 20 Silicate 2R (SiO 2 :Na 2 O at ratio 2:1) 0.08 0 0.11 0 0 0 0 Soil release agent 0.75 0.72 0.71 0.72 0
• any of the above compositions is used to launder fabrics at a concentration of 7000 to 10000 ppm in water, 20-90 °C, and a 5:1 water:cloth ratio.
• the typical pH is about 10.
• the fabrics are then dried.
• the fabrics are actively dried using a dryer.
• the fabrics are actively dried using an iron.
• the fabrics are merely allowed to dry on a line wherein they are exposed to air and optionally sunlight.
• Alkylbenzenesulfonate linear average aliphatic carbon chain length C 11 -C 12 .
• AE3S is C 12-15 alkyl ethoxy (3) sulfate.
• AE7 is C 12-15 alcohol ethoxylate, with an average degree of ethoxylation of 7.
• AE9 is C 12-13 alcohol ethoxylate, with an average degree of ethoxylation of 9.
• HSAS is a mid-branched primary alkyl sulfate with carbon chain length of about 16-17
• Chelants may be diethylenetetraamine pentaacetic acid (DTPA), sodium hydroxyethane di phosphonate (HEDP) or sodium ethylene diamine-N,N- disuccinic acid (S,S)isomer (EDDS) Savinase®, Natalase®, Stainzyme®, Lipex®, Celluclean TM , Mannaway® and Whitezyme® are all products of Novozymes, Bagsvaerd, Denmark.
• DTPA diethylenetetraamine pentaacetic acid
• HEDP sodium hydroxyethane di phosphonate
• S,S)isomer EDDS
• Fluorescent Brightener 1 is Tinopal® AMS
• Fluorescent Brightener 2 is Tinopal® CBS-X
• Sulphonated zinc phthalocyanine NOBS is sodium nonanoyloxybenzenesulfonate.
• TAED is tetraacetylethylenediamine.
• Soil release agent is Repel-o-tex® PF, supplied by Rhodia, Paris, France
• Acrylic Acid/Maleic Acid Copolymer is m wt 70,000 and acrylate:maleate ratio 70:30.
• HSAS is mid-branched alkyl sulfate as disclosed in US 6,020,303 and US 6,060,443
• Liquitint® Violet CT is supplied by Milliken, Spartanburg, South Carolina, USA
• Random graft copolymer is a polyvinyl acetate grafted polyethylene oxide copolymer having a polyethylene oxide backbone and multiple polyvinyl acetate side chains (m wt about 6000, weight ratio of the polyethylene oxide to polyvinyl acetateabout 40 to 60).

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