TR201808208T4 - The bitter particle. - Google Patents

Abstract

The present invention provides a laundry composition with a highly active bitter particle. The coated detergent particles have vertical dimensions (x, y and z); the core comprises 65 to 95% by weight of surfactant and excipients and is coated with 5 to 30% by weight of sodium carbonate and 20 to 1000 ppm of denatonium benzoate.

Description

DESCRIPTION PAIN PARTICLE Description of the Invention Field of Invention This invention relates to a concentrated solid laundry detergent composition.

BACKGROUND OF THE INVENTION describes a water-soluble package. The water-soluble packaging material in question, It contains a flavoring agent diluted at least 1:250.

Bitrex® (Denatonium Benzoate) (CAS 3734-33-6) is one of the most bitter substances known and A leading branded security used in a variety of domestic and industrial applications is the component.

Denatonium Benzoate as a solid or in corresponding MEG, MPG ethanol and water solutions is provided.

The inclusion of Bitrex® in fragrance oils to be sprayed on a large detergent particle, found to result in clogging of the spray nozzles.

Summary of the Invention Bitrex® is dissolved in an almost saturated sodium carbonate solution, sodium carbonate 10 wt% saturation and the resulting solution is a It has been found that it is possible to spray onto a large particle. Large The nature of the particle is that the spray will adhere to the surface of the particle and the aqueous element is a substantially in a fluidized bed to provide a coated large particle. it is in the form to be evaporated.

In one aspect, the invention provides a coated detergent particle having a core; the coated detergent particle has vertical dimensions (x, y and z); where x is 0.5 to 2 mm; y is 2 to 8 mrn and z is 2 to 8 mm; core, 65 to 95% by weight surfactant and It contains excipients and contains 5 to 30% sodium carbonate and 20 to 1000 ppm by weight. coated with denatonium benzoate; coating, as spraying an aqueous solution applied and dried in a fluidized bed. Amounts in % by weight and ppm disclosed The amounts are valid for the detergent particle coated as a whole.

The coating is applied by spraying an aqueous solution and dried in a fluidized bed. Bitrex solution, which is a saturated aqueous sodium carbonate solution and from 0.01 to 5% by weight It is provided by spraying a sodium carbonate solution containing

In sodium carbonate coating per se, the level of denatonium benzoate, on a dry basis 200 to 10000 ppm. All amounts disclosed herein are on an anhydrous basis.

The dry base may or may not be removed in the process, particularly in the fluidized bed. It is a coating formulation after any moisture has been reduced.

Preferably, the particulate detergent composition is free of sodium tripolyphosphate (STP).

Unless otherwise stated, all % by weight, total in particulate as dry weights indicates the percentage.

Detailed Description of the Invention Large Particle (uncoated) The large particle is preferably curvilinear.

Large particle, lentil-shaped (shaped like a fully dried lentil), may be a basic ellipsoid; where 2 and y are equatorial diameters and x is polar diameter; preferably The large particle can be formatted as a disk.

Preferably, the large particle does not contain holes; in other words, coated laundry detergent particle does not have a channel that passes through the core, i.e. coated detergent The topological type of the particle is zero.

The large particle has orthogonal dimensions (x, y, and z); where x is 0.5 to 2 mm; y, is 2 to 8 mm and z is 2 to 8 mm. After coating with sodium carbonate and a liquid After bed drying, the coated large particle is mixed with the uncoated large particle. have approximately the same dimensions. Large particulate detergent and other active ingredients is more preferred.

The inorganic salt is present as a coating on the detergent particle, and the surfactant is Available as a core. Inorganic coating prevents agglomeration and deterioration during storage. reduces. preferred as described in any of the documents.

The following are examples of preferred coated large particles: A particle detergent with a large particle core, preferably vertical dimensions (x, y and z) is the composition; where x is 0.5 to 2 mm; y is 2 to 8 mm and z is 2 to 8 mm; here (i) 20 to 49% by weight, selected from anionic and nonionic surfactants, preferably 23 to 45% by weight, more preferably 36 to 42% by weight a surfactant; (ii) 1 to 40% by weight, preferably selected from citric acid and its sodium salts 2 to 35% by weight, more preferably 3 to 20% by weight of an active Then, with the large particle, (v), 5 to 40% by weight on a dry basis, preferably by weight particle core, preferably a particulate detergent with vertical dimensions (X, y and z) is the composition; where x is 0.5 to 2 mm; y is 2 to 8 mm and 2.2 to 8 mm; here (i) 30 to 85% by weight selected from anionic and nonionic surfactant surfactant.

The large particle is then coated with (v) as described above. To illustrate the process, which includes the following steps to produce detergent particles The transaction is provided: a) forming a surfactant mixture comprising complement (i); b) the liquid surfactant mixture of step (a) in an evaporator or dryer drying to a moisture content of less than 5% by weight in the evaporator and or cooling the output of the dryer; c) feeding the cooled material together with supplements (ii), (iii) and a extruding the cooled material to form extrudate, meanwhile, a diameter greater than 2 mm, provided that the diameter is greater than the thickness, and To form hard detergent particles with a thickness greater than 0.2 mm periodic interruption of the extrudate and d) up to 40% by weight of extruded hard detergent particles covering with material.

SURFACE ACTIVE SUBSTANCE In general, the nonionic and anionic surfactants of the surfactant system, Perry & Berch, lnterscience 1958, McCutcheon's Emulsitiers and Detergents", In the current edition of the Manufacturing Confectioners Company publication or Tenside-Taschenbuch", H. Stache, 2nd Edition, Carl Hauser Verlag, described in 1981 selected from surfactants. Preferably, the surfactants used are saturated.

Anionic Surfactants Suitable anionic detergent compounds that can be used are generally about 8 to about 22 of organic sulfates and sulfonates with alkyl radicals containing carbon atoms in water. are soluble alkali metal salts; will contain the alkyl terminus, the alkyl portion of higher acyl radicals is used in . Examples of suitable synthetic anionic detergent compounds are sodium and potassium alkyl sulfates, especially from, for example, tallow or coconut oil produced by sulfation of higher Cg to Cg alcohols, sodium and sulfonates such as potassium alkyl C9 to Czo, especially sodium linear secondary alkyl Cio to C15 benzene sulfonates and sodium alkyl glyceryl ether sulfates, especially from tallow oil or higher alcohols derived from coconut oil and petroleum-derived synthetic ethers of alcohols. Most preferred anionic surfactants are 1 to 3 ethoxy sodium lauryl ether sulfate (SLES), sodium Cio to Cis alkyl, especially preferred with the group benzene sulfonates and sodium C1 to C18 alkyl sulfates. Resistance to salt precipitation surfactants such as those described in document EP-A-328 177 (Unilever) Alkyl polyglycoside surfactants and alkyl polyglycoside surfactants disclosed in EP-A-070 074 monoglycosides can also be administered. Chains of surfactants, branched or linear it could be.

Soaps may also be available. Preferably the fatty acid soap used is preferably a straight Chain contains about 16 to about 22 carbon atoms in the configuration. from soap The anionic additive is preferably 0 to 30% by weight of the total anionic substance.

Preferably, at least 50% by weight of anionic surfactant is sodium CH to Cis alkyl benzene sulfonates and sodium C18 to C18 alkyl sulfates. Even more choices As stated, the anionic surfactant is sodium CH to C15 alkyl benzene sulfonate.

Suitable nonionic detergent compounds that may be used include, in particular, a hydrophobic group and a compounds with reactive hydrogen atoms, for example aliphatic alcohols, acids, amides or alkyl phenols with alkylene oxides, especially either alone or with propylene oxide together with ethylene oxide and reaction products. Preferred nonionic detergent compounds, usually with 5 to 25 EOs, ie 5 to 25 units of ethylene oxide per molecule C6 to C22 alkyl phenol-ethylene oxide condensate fluids, usually aliphatic with 5 to 50 EO C3 to Cig primary or secondary, linear or branched alcohols with ethylene oxide are condensation products. Preferably, nonionic material, with EO of 10 to 50, more preferably It is 20 to 35 EO in its form. Alkyl ethoxylates are particularly preferred.

Cationic surfactant, preferably total surfactant as minor components may be present at levels of 0 to 5% by weight.

Preferably all surfactants are mixed with each other before drying. Traditional mixing equipment can be used. surfactant of laundry detergent particle The core can be formed by extrusion or roller compaction and then a may be coated with inorganic salt.

Kalsiwma Resistant Surfactant System In another aspect, the surfactant system used is calcium stable and this is the preferred This is a desirable direction because it reduces the need for a detergency builder.

In order to provide effective cleaning power in hard water, detergent power-enhancing agents are available. Surfactant mixtures that do not require These mixes are below If they pass the test shown, they are classified as calcium-stable surfactant mixtures. is named. However, the invention is a product that is either natural or obtained using a water softener. It can also be used for washing with soft water. In this case, the calcium resistance is no longer is not important and mixtures other than calcium-stable ones can be used.

The calcium stability of the surfactant mixture is tested as follows: The said surfactant mixture gives a French hardness of 40'1 (4 x 103 Molar Ca2+). 0.7 g of surfactant solids per liter of water containing enough calcium ions prepared in a concentration containing Sodium chloride, sodium sulfate and sodium other electrolytes that do not contain hardness ions, such as hydroxide, can have an ionic strength of 0.05 M and It was added to the solution to adjust the pH to 10. Light at a wavelength of 540 nm, Adsorption while passing through the 4 mm sample takes 15 minutes after sample preparation. then measured. Ten Measurements were made and an average value was calculated. from 0.08 Samples with a small absorption value show that they are calcium stable. assumed.

of surfactant mixtures that pass the above calcium resistance test. samples to be used with or without a small amount of detergency builder. and to give a mixture stable enough to calcium to pass said test, The majority of LAS surfactant (not calcium stable per se) with one or more other surfactants (co-surfactant) Includes mixed ones. Suitable calcium-stable co-surfactants, SLES 1-7EO and alkyl-ethoxylate nonionic surfactants, especially melting point It covers those below 40°C.

A LAS/SLES surfactant blend, a LAS nonionic surfactant It has a superior foam profile relative to its mixture and therefore a high level of foaming. It is preferred for hand-wash formulations that require SLES, surfactant It can be used at levels up to 30% by weight of the mixture.

Citric Acid and Sodium Salts The particulate detergent composition is alkaline when dissolved in an aqueous medium. This is alkaline Sodium ions are present in the solution and there is no substance in the particulate detergent composition. sodium citrate may not be present, while sodium citrate in solution as a result of dissolution is produced. It is preferred that sodium citrate is present in the particulate detergent composition.

Phosphonate Sequestrant Phosphonate sequestrants are commercially available. Commercially available DequestTM phosphonate sequestrants are particularly preferred.

The following are examples of Phosphonate sequestrants: (Dequest® 2010) 1-Hydroxyethylidene - 1,1,-diphosphonic acid, (Dequest® 2066) Diethylenetriamine penta(methylene phosphonic acid), Diethylenetriamine penta(methylene phosphonic acid), Dequest® 2047 ([ethylenebis[nitrilobis(methylene)]] tetrakiphosphonic acid, calcium sodium salt), Dequest® .

Dequest® 2016 and Dequest® 2047 are particularly preferred.

Dirt Release Polymer Soil release polymers when used in the surfactant wash process of this invention Improves the main wash performance of the compositions.

A preferred class of polymer is (i) saccharide or (ii) dicarboxylic acid and polyol monomer. are substantive polymers for fabric containing at least one of the Typically these have soil release properties and although they can have a primary detergent effect, they often contribute to the subsequent cleaning process.

Generally, soil release polymers for polyester, aromatic dicarboxylic acids and (including polymers containing polyalkylene glycols) shall include polymers of alkylene glycols.

The polymeric soil release agents used herein are, in particular, the soil release agents having Contains items: (a) one or more nonionic hydrophilic components consisting essentially of: (i) segments of polyoxyethylene with a degree of polymerization of at least 2, or (ii) oxypropylene or polyoxypropylene with a degree of polymerization of 2 to 10 segments; wherein said hydrophilic segment is with ether bonds at each end any oxypropylene, as long as it does not bind to adjacent molecular parts does not cover the unit or (iii) oxyethylene and oxyalkylene containing 1 to about 30 oxypropylene units a mix of units; Here the mixture in question is in sufficient quantity. contains the oxyethylene unit, so the hydrophilic component, the soil release agent of conventional polyester synthetic fiber surfaces after precipitation on the surface. has a sufficiently large hydrophilicity to increase its hydrophilicity; promise said hydrophilic segments, preferably at least about 25% oxyethylene units and more preferably, especially to about 20 to 30 oxypropylene units contains at least about 50% oxyethylene units for components with or (b) one or more hydrophobic components, including: (i) C3 oxyalkylene terephthalate segments; here is the hydrophobic If the components also contain oxyethylene terephthalate, oxyethylene terephthalate: The ratio of C3 oxyalkylene terephthalate units is about 2:1 or less, (ii) C4 -C6 alkylene or oxy C4 -C6 alkylene segments or thereof mixes, (iii) poly (vinyl ester) with a degree of polyinerization of at least 2, preferably polyvinyl acetate segments or (iv) C4 -C4 alkyl ether or C4 hydroxyalkyl ether substituents or mixtures thereof; where the substituents in question are, C1 - C4 alkyl ether or C4 hydroxyalkyl ether cellulose derivatives or their available in the form of mixtures and these cellulose derivatives are amphiphilic; here to deposit on conventional polyester synthetic fiber surfaces and this of the fiber surface after sticking to the traditional synthetic fiber surface. a sufficient amount of hydroxyl to increase hydrophilicity. have C1 -C4 alkyl ether and/or C4 hydroxyalkyl ether units at the level or a combination of (a) and (b).

Typically, the polyoxyethylene segments of (a)(i) undergo a polymerization of about 200 degree, but higher levels, preferably about 3 to about 150, more preferably 6 to about 100 may be used. Suitable oxy C4 'C6 alkylene hydrophobic segments, but not limited to, on January 26, 1988 published U.S.A. registered to Gosselink Patent No. Described at 4,721,580 Contains end pieces of polymeric soil release agents such as MO3 S(CH2)nOCH2CHgO--; where M is sodium and n is an integer from 4 to 6.

Soil release agents characterized by poly(vinyl ester) hydrophobic segments, poly(vinyl ester) ester), eg acyl copolymers of C1'C6 vinyl esters, preferably polyethylene oxide poly(vinyl acetate) grafted to polyalkylene oxide backbones such as backbones. See Kud European Patent Issued April 22, 1987 by et al. Application It contains commercially available SOKALAN type material, for example SOKALAN HP-22.

One type of preferred soil release agent is ethylene terephthalate and polyethylene oxide (PEO). It is a copolymer with random blocks of tereitalate. This polymeric soil release agent U.S. registered name Patent No. 3,893,929.

Another preferred polymeric soil release agent is ethylene terephthalate units. is a polyester with repeating units; polyester, average molecular weight 300- 90 to 80% by weight polyoxyethylene derived from a polyoxyethylene glycol of 0.000 It contains 10 to 15% by weight ethylene terephthalate units together with terephthalate units. This samples of the polymer, commercially available (from Dupont) ZELCON Contains MILEASE T. See also Gosselink, dated 27 October 1987 USA. Patent No. 4,702,857.

Another preferred polymeric soil release agent is terephthaloyl and oxyalkyleneoxy again. from an oligoineric ester backbone of units and the end covalently attached to the spine a sulfonated form of a substantially linear ester oligomer composed of moieties product. These soil release agents are published on November 6, 1990 .J . Scheibel and U.S. Patent Registered to E. P. Gosselink Patent No. all aspects at 4,968,451 has been explained. Other suitable polymeric soil release agents were issued on 8 December 1987. published U.S.A. registered in the name of Gosselink et al. Patent No. terephthalate of 4,711,730 U.S. Patents registered to Gosselink, issued January 26, 1988. patent published U.S.A. registered to Gosselink Patent No. block polyester of 4,702,857 Contains oligomeric compounds.

Preferred polymeric soil release agents, published October 31, 1989 Anionic, especially sulfoarolyl end-capped terephrate, registered to Maldonado et al. U.S. Pat. Patent No. It also contains soil release agents of 4,877,896.

Another preferred soil release agent is terephthaloyl units, sulfoisoterephthaloyl. a repeating unit of oxyethyleneoxy and Oxy-1,2-propylene units. is an oligomer. The repeat units form the backbone of the oligomer and are preferably modified. They end with cethionate end caps. Particularly preferred is such a soil remover. The substance contains about one sulfoisophthaloyl unit, 5 terephthaloyl units, about 1.7 to about 1,8 oxyethyleneoxy and oxy-1,2-propyleneoxy units and sodium 2-(2-hydroxyethoxy)-ethanesulfonate contains two terminal cap units. The dirt remover The substance is a crystal reducer in the amount of about 0.5% to about 20% by weight of the oligomer. also includes stabilizer; this substance, preferably xylene sulfonate, cumene sulfonate, toluene sulfonate and their mixtures.

Most preferred soil release polymers are Repel-O-Tex by Rhodia (Gerol) or sold by Clariant under the brand name Texcare, specifically Texcare SRN170. linear polyesters or in document US 7119056, available from Sasol water-soluble / water-miscible, such as heavily branched polyesters such as those described or water-dispersible polyesters. Polyesters are preferably nonionic and intermittent have a middle block of tertreple repeat units and a lower alkyl or hydrogen end Contains a polyethylene glycol-based end block.

Inorganic salts: It is possible to apply multi-layer coatings from the same or different coating material. However, for ease of processing and to maximize the thickness of the coating, only one It will be accepted by those skilled in the art that the tiger coating is preferred. Covering amount, the best results in terms of the anti-caking properties of the detergent particles. 1 to 40'% by weight, preferably 4 to 30% by weight, of the particle, more preferred It should be in the range of 5 to 25% by weight.

The coating is preferably applied to the surface of the surfactant core, the water-soluble inorganic salt. It is applied by precipitation from an aqueous solution. Alternatively, the coating can be performed using the cloud. Aqueous solution, preferably more than 50 g/L, more preferably comprising 200 g/L of salt. The coating solution is aqueous in a fluidized bed. spraying gives good results and during the fluidization process, the detergent It has been found that it can also cause the particles to be slightly rounded. finish the transaction Drying and/or cooling may be required.

Coated laundry deterian particle Preferably coated laundry detergent particle, a laundry detergent in a package 10 to 100% by weight of the formulation, more preferably by weight. It makes up 90 to 100% by weight as it is extracted.

The packaging is that of a commercial formulation for sale to the public, preferably 0.01 kg to 5 kg. preferably in the range of 0.02 kg to 2 kg, most preferably 0.5 kg to 2 kg.

Preferably, the coated laundry detergent particle is coated with X, y and z dimensions. At least 90 to 100% of laundry detergent particles, coated laundry detergent 20%, preferably 10%, from the largest to the smallest of the particles.

water content Particulate, preferably 0 to 15% water by weight, more preferably at 293K and 50% relative humidity 0 to 10% by weight, most preferably 1 to 5% by weight of water includes. This facilitates the storage stability and mechanical properties of the particle.

Other Excipients Excipients such as those described herein may be present in the coating.

Fluorescent Substance The coated detergent particle preferably contains a fluorescent agent (optical bleach).

Fluorescent agents are well known and many such fluorescents are commercially available.

Usually these fluorescent substances are their alkali metal salts, eg sodium salts. provided and used in the form. The fluorescent substance or substances used in the composition the total amount, usually from 0.005% to 2% by weight, more preferably 0.01% to 0.1% by weight. Fluorescence-generating agents suitable for use in the invention, is declared hungry.

Preferred fluorescence-producing agents are distyrylbiphenyls, triazinylaminostilbenes, bis(1,2,3-triazol-2-yl)stilbenes, bis(benzo[b]iiiran-2-yl)biphenyls, 1,3-diphenyl-2-pyrazolines and kurrins are selected from their classes. The fluorescence producing agent is preferably sulfonated.

Preferred classes of fluorescence-generating substances are: Di-styryl biphenyl compounds, for example Tinopal (Trade Mark) CBS-X, Di-amine stilbene di-sulfonic acid compounds, eg10 Tinopal DMS pure Xtra and Blankophor (Trade Mark) HRH and Pyrazoline compounds, eg Blankophor SN. Preferred fluorescence-generating agents are: sodium 2 (4-styryl-3- sulfophenyl)-2H-naphthol[1,2-d]triazole, disodium 4,4'-bis{[(4-aniline0-6-(N methyl-N-2) bis(2-sulfostyryl)biphenyl. Tinopal® DMS, disodium 4,4'-bis{[(4-anilino-6-morpholino-1,3,5- triazine-2-yl]amino} stilbene-2-2' disulfonate disodium salt. Tinopal® CBS, disodium It is the disodium salt of 4,4'-bis(2-sulfostyryl)biphenyl.

Perfume Preferably, the composition comprises a perfume. Perfume, preferably 0.001% to 3% by weight, maximum preferably in the range of 0.1% to 1% by weight. Many suitable perfumes example, CTFA (Cosmetic, Makeup and Perfume Association), 1992, International Buyers Guide, in CFTA Publications and OPD, 1993, Chemicals Buyers Directory 80th Annual Edition, Schnell Publishing C0. given in the publication.

It is commonplace for a large number of perfume ingredients to be present in a formulation. This four or more, preferably five or more, more preferred in compositions of the invention six or more or even seven or more different perfumes as component is intended to be present.

In perfume mixtures, preferably 15 to 25% by weight are immediately perceptible scents.

Perceptible fragrances, Poucher (Journal of the Society of Cosmetic Chemists 6(2):80 [1955]). Preferred immediately perceptible odors citrus oils, linalool, linalyl acetate, lavender, dihydromyrcenol, rose oxide and cis-3-hexanol.

polymers The composition may contain one or more additional polymers. Examples are carboxymethylcellulose, poly(ethylene glycol), poly(vinyl alcohol), polyethylene imines, ethoxylated polyethylene imines, in water soluble polyester polymers, polycarboxylates, eg polyacrylates, maleic/acrylic acid copolymers and lauryl methacrylate/acrylic acid copolymers.

enzymes A composition of the invention preferably contains one or more enzymes.

Preferably, the level of each enzyme is 0.0001 to 0.5 wt% protein in the product. Particularly prescribed enzymes are proteases, alpha-amylases, cellulases, lipases, peroxidases/oxidases, pectate lyases and mananases or mixtures thereof.

Suitable lipases include those of bacterial or fungal origin. chemically modified engineered or protein modified mutants are included. Examples of useful lipases, EP 258 068 and Humicola (synonymous T hermomyces), described in EP 305 216 for example 1-1. from lanuginosa (T. lanuginosus) or described in WC 96/ 13580 lipases from H. insolens, for example P. alcaligenes or P. pseudoalcali'genes (EP 218 272), Pseudomonas lipazine, for example B. subtilis (Dartois et al. (1993), or a Bacillus lipazine from B. pumilus (WC 91/ 16422). lipase variants such as those described in the documentation.

Preferred commercially available lipase enzymes, LipolaseTM and Lipolase UltraTM, Includes LipexTM (Novozymes A/S) and LipocleanTM.

The method of the invention is phospholipazine classified as EC 3.1.1.4 and/or EC 3.1.1.32 can be carried out in its presence. The term phospholipase as used herein refers to phospholipids. It is an enzyme with anti-inflammatory activity.

Phospholipids, such as lecithin or phosphatidylcholine, are available in two positions in one c (sn-1) and middle (sn-2) positions. esterified with fatty acid and esterified with phosphoric acid in the third position consists of glycerol; whereas phosphoric acid can be esterified to an amino alcohol.

Phospholipases are enzymes that participate in the hydrolysis of phospholipids. will form lysophospholipids which hydrolyzes a fatty acyl group (at sn-1 and sn-2 position, respectively) as phospholipases A1 and A2 and the remaining fatty acyl group are hydrolyzed as lysophospholipids. Many types of phospholipase activity can be distinguished, including lysophospholipase (or phospholipase B), which can can be done. Phospholipase C and phospholipase D (phosphodiesterases), respectively, diacyl glycerol or release phosphatidic acid.

Suitable proteases include those of animal, vegetable or microbial origin. microbial origin is preferred. Chemically modified or protein processed mutants are included. Protease, a serine protease or a metallo protease, preferably an alkali microbial protease or a trypsin-like protease. Preferred commercially available protease enzymes, AlcalaseTM, SavinaseTM, PrimaseTM, DuralaseTM, DyrazymTM, EsperaseTM, EverlaseTM, PolarzymeTM and KannaseTM (Novozymes A/S), MaxataseTM, MaxacalTM, MaxapemTM, ProperaseTM, PurafectTM, Purafect OXPTM, FNZTM and FN3TM (Genencor International Inc.).

The method of the invention can be carried out in the presence of cutinazine classified as EC 3.1.1.74.

The cutinase used according to the invention may be of any origin.

Preferably, the cutinases are of microbial origin, in particular of bacterial, fungal or yeast origin.

Suitable amylases (alpha and/or beta) include those of bacterial or fungal origin. Chemical modified or protein modified mutants. Amylases, For example, From Bacillus, described in more detail, for example, in GB 1,296,839, Bacillus sp. Includes alpha-amylases from strains. on the market commercially available amylases, DuramleM, TermamleM, Termamyl UltraTM, NatalaseTM, StainzymeTM, FungamleM and BANTM (Novozymes A/S), (Genencor International Inc. product) RapidaseTM and PurastarTM.

Suitable cellulases include those of bacterial or fungal origin. chemically modified engineered or protein modified mutants are included. Suitable cellulases, US 4,435,307 , Bacillus, Pseudomonas, Humicola, Fusari'um, described in WO 98/012307 Cellulases from the genera Thielavia, Acremoni'um, for example Humi'cola insolens, produced from Thielavia terrestri's, Myceliophthora thermophi and Fusarium oxysporum. includes fungal cellulases. Commercially available cellulases, CelluzymeTM, CarezymeTM, EndolaseTM, RenozymeTM (Novozymes A/S), ClazinaseTM and Puradax HATM (Genencor International Inc.), and KAC-500(B)TM (Kao Corporation).

Suitable peroxidases/oxidases include those of plant, bacterial or fungal origin.

Chemically modified or protein modified mutants are included. Beneficial from Coprinus, such as C. cinereus and their10, as described in the documents Includes peroxidases derived from variants. Commercially available peroxidases, Includes GuardzymeTM and NovozymTM 51004 (Novozymes A/ S).

The compound of the invention has been found to act to promote enzyme clearance.

In terms of efficacy of proteases, eg SavinaseTM and lipases, eg LipexTM found to be supported. Increase in enzyme activity, high citrate, sequestrant levels are exhausted.

Enzyme Stabilizers Any enzymes present in the composition, conventional stabilizing agents, eg, a polyol such as propylene glycol or glycerol, a sugar or sugar alcohol, lactic acid, boric acid or a derivative of boric acid, for example an aromatic borate ester or 4-formylphenyl boronic can be stabilized using a phenyl boronic acid derivative such as acid Alkyl groups are long enough to form branched or cyclic chains In some cases, alkyl groups include branched, cyclic and linear alkyl Chains. alkyl The groups are preferably linear or branched, most preferably linear.

As used here, the indefinite article "one" and the corresponding qualifying article, otherwise means at least one or one or more unless specified. Opposite Unless specified, the singular includes the plural.

Sequestering substances may be present in the coated detergent particles.

Experimental (comparison test) Taking the coated product of the formulation, in the table x below, the total composition is 100, 500 and 1000 ppm of Bitrex has been added. To ensure the maximum effect of the taste of Bitrex It is added to the sprayed fragrance oil as a final process step.

Component Test 1 Test 2 Test 3 Component Test 1 Test 2 Test 3 Nonionic surfactant - C12-C15-alkyl ethoxylate 30 BG 37 37 37 CP5 (an acrylic acid - maleic acid sodium salt of the copolymer) 30 30 30 Phosphonate Sequestrant 55 55 55 Citric Acid 246 246 246 Enzymes 30 30 30 Dirt-removing polymer 20 20 20 Silicone Antifoam Agent 5 5 5 sodium carbonate 358 358 358 Bitrex 0.1 0.5 1 Bitrex was added to the fragrance substance, mixed for 10 minutes and the combination sprayed onto the remaining product. In any case, the addition of fragrance substance Spray nozzle is clogged before completion.

Taking the uncoated product of the formulation, in table X below, the total composition is 100, Bitrex, up to 500 and 1000 ppm, is the addition of sodium carbonate solution in the fluidized bed. will be added to the portion to be added.

Component Test 1 Test 2 Test 3 Nonionic surfactant - Cl2-C15-alkyl ethoxylate 30 BG 37 37 37 CP5 (an acrylic acid - maleic acid sodium salt of the copolymer) 30 30 30 Phosphonate Sequestrant 55 55 55 Citric Acid 246 246 246 Enzymes 30 30 30 Dirt-removing polymer 20 20 20 Silicone Antifoam Agent 5 5 5 sodium carbonate 300 300 300 Sodium carbonate (coating) 58 58 58 Bitrex 0.1 0.5 1 Smell (spray) i 1 11 11 The base particle was added to the Glatt Fluid Bed coating device. Bitrex, concentrated sodium added to the carbonate solution. The following conditions were used for coating Air Inlet temperature 80°C Bed Temperature 45°C Sodium Carbonate spray temperature 50°C Air Flow 2,5 m/s Concentrated sodium carbonate solution with Bitrex did not clog the spray nozzle.

After the coating stage, fragrance oil was added to the coated product by spraying.

Reference sample composition Component Addition % Nonionic surfactant - C12-C15-alkyl ethoxylate 30 3.7 CPS (sodium 3.0 of an acrylic acid - maleic acid copolymer Phosphonate Sequestrant 5.5 Citric Acid 24.6 Enzymes 3.0 Dirt-removing polymer 2.0 Silicone Antifoaming Agent 0.5 sodium carbonate 35.8 TOTAL 100.0 Reference sample composition Component [%] LAS/30 EO Base 40.3% Dequest 2016 7.7% Citric acid 10.6% Na Citrate 32.3% Dirt Remover Polymer % 2.8% TOTAL 100.0%

Claims (8)

REQUESTS . A coated detergent particle having a core, the coated detergent particle having orthogonal dimensions (x, y and z); where x is 0.5 to 2 mm; y is 2 to 8 mm and z is 2 to 8 mm; the core contains 65 to 95% by weight surfactants and excipients and is coated with 5 to 30% by weight sodium carbonate and 20 to 1000 ppm denatonium benzoate; The coating is applied by spraying an aqueous solution and dried in a fluidized bed. A coated detergent particle according to claim 1, wherein the core is a particulate detergent composition having orthogonal dimensions (x, y and 2); where x is 0.5 to 2 mm; y is 2 to 8 mm and z is 2 to 8 mm; wherein the particle is (i) 26 to 32% by weight of a surfactant selected from anionic and nonionic surfactants; (ii) 15 to 40% by weight, preferably 20 to 35% by weight, more preferably (iii) 2 to 8% by weight, preferably 3 to 6% by weight of a phosphonate sequestrant selected from citric acid and its sodium salts, and ( iv) 0 to 3% by weight, preferably 1 to 2.5% by weight of a soil release polymer. . A coated detergent particle according to claim 1, wherein the core is a particulate detergent composition having orthogonal dimensions (x, y and 2); where X is 0.5 to 2 mm; y is 2 to 8 mm and z is 2 to 8 mm; wherein the particle comprises 20 to 39% by weight of a surfactant selected from anionic and nonionic surfactants. . A coated detergent particle according to claim 1 or 2, wherein the total level of denatonium benzoate in the coated detergent particle is 20 to 1000 ppm; 80 to 100% by weight of this is in the sodium carbonate coating. A coated detergent particle according to claim 1 or 2, wherein the inorganic salt is . A coated detergent particle according to any preceding claim, wherein the particle contains from 0 to 15% by weight of water. EP-17918 7. A coated detergent particle composition according to claim 6, wherein the particle is A coated detergent particle according to any one of the preceding claims, wherein the coating is a sodium carbonate containing 0.01 to 5% by weight Denatonium Benzoate solution, which is 80 to 100 weight percent saturated aqueous sodium carbonate solution, measured at 50 °C. applied as a solution.