WO2009087034A1 - Shading composition - Google Patents
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- WO2009087034A1 WO2009087034A1 PCT/EP2008/067798 EP2008067798W WO2009087034A1 WO 2009087034 A1 WO2009087034 A1 WO 2009087034A1 EP 2008067798 W EP2008067798 W EP 2008067798W WO 2009087034 A1 WO2009087034 A1 WO 2009087034A1
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- dye
- dyes
- treatment composition
- laundry treatment
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Classifications
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- 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
- C11D3/40—Dyes ; Pigments
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
- C09B29/00—Monoazo dyes prepared by diazotising and coupling
- C09B29/0025—Monoazo dyes prepared by diazotising and coupling from diazotized amino heterocyclic compounds
- C09B29/0074—Monoazo dyes prepared by diazotising and coupling from diazotized amino heterocyclic compounds the heterocyclic ring containing nitrogen and sulfur as heteroatoms
- C09B29/0077—Monoazo dyes prepared by diazotising and coupling from diazotized amino heterocyclic compounds the heterocyclic ring containing nitrogen and sulfur as heteroatoms containing a five-membered heterocyclic ring with one nitrogen and one sulfur as heteroatoms
- C09B29/0085—Thiazoles or condensed thiazoles
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
- C09B44/00—Azo dyes containing onium groups
- C09B44/10—Azo dyes containing onium groups containing cyclammonium groups attached to an azo group by a carbon atom of the ring system
- C09B44/20—Thiazoles or hydrogenated thiazoles
Definitions
- the present invention relates to the delivery of dyes to fabrics .
- WO 2007/084729 discloses the use of thiazolium dyes in Laundry formulations as a shading agent that does not build up over multiple washes.
- WO 2007/087252 discloses the use of thiazolium dyes in Laundry formulations as a shading agent that does not build up over multiple washes.
- Ri is a branched or linear C1-C4 alkyl group
- R3 and R 4 are independently selected from H, CH 3 , and C2H5 or
- R3 and R 4 are joined to form a benzene ring
- R 5 and Re are independently selected from: H, a branched or linear C1-C4 alkyl group, wherein the alkyl group chain may be substituted by OH groups, phenyl, COR 7 , CH 2 Ph, (C 2 H 4 O) n H wherein n is 2 to 5;
- R7 is a branched or linear C1-C4 alkyl group
- X is a negative anion
- the present invention extends to the thiazolium dyes substituted by an alkyl acid amide, in particular wherein R3 and R4 are selected from H, CH3 and C2H5.
- R3 and R4 are selected from H, CH3 and C2H5.
- a domestic method of treating a textile comprising the steps of:
- the aqueous solution contains 10 to 300 ppb of the thiazolium dye .
- Synthesis of thiazolium dyes is described in WO 2007/084729 and WO 2007/087252. It is a matter of routine to vary the substiutents to in order to arrive at the thiazolium dyes used in the present invention.
- Ri is selected from: CH 3 , and C2H5, most preferably CH 3 .
- R 3 and R 4 are selected from: CH 3 , C2H5 and H. Most preferably R 3 and R 4 are H.
- R 5 and Re are independently selected from: a branched or linear C1-C4 alkyl group, wherein the chain may be substituted by OH groups and (02H 4 O) n H wherein n is 2 to -A-
- R 5 and R 6 are independently selected from: CH 3 , C 2 H 5 , and (C 2 H 4 O) n H wherein n is 2.
- R 7 is selected from: CH 3 , and C 2 H 5 , most preferably CH 3 .
- X- is not essential aspect of the invention and may be varied widely.
- X- may be an anion such as RCOO ⁇ , BPh 4 " , C10 4 ⁇ , BF 4 " , PF 6 " , RSO 3 “ , RSO 4 “ , SO 4 2” , NO 3 “ , F “ , Cl “ , Br “ , or I “ , with R being hydrogen, optionally substituted alkyl or optionally substituted aryl .
- X- is selected from: CH 3 SO 3 “ , CH 3 CO 2 " , BF 4 “ , Cl “ , F “ , Br “ , and I “ .
- the alkyl acid amide (NHCOR 7 ) on the phenyl group is most preferably ortho to the azo link as found in the examples of the invention.
- Thiazolium dyes Tl and T6 as found in the examples of the invention are preferred dyes.
- the thiazolium dye is preferably present in the formulation at level of 0.0005 to 0.005 wt%.
- the thiazolium dye is preferably granulated with an acidic component to reduce hydrolysis on storage as discussed in WO2007/039042 (Unilever) .
- the thiazolium dye is present in the granules at below 0.4 wt% more preferably below 0.1 wt% to reduce spotting.
- Non-ionic is preferably present in the granule containing the thiazolium dye to reduce spotting.
- the main wash formulation contains further shading dyes selected from hydrophobic dyes, most preferably disperse violet 26, disperse violet 28, disperse violet 77, solvent violet 13 or disperse violet 27. These dyes give benefits to synthetic fibres such as elastane and polyester.
- the hydrophobic dyes are preferably blue or violet.
- the hydrophobic dyes when present are preferably present at a level of 0.0001 to 0.1% and most preferably at a level of 0.0005 to 0.005 wt%.
- the main wash formulation contains further shading dyes selected from direct violet dyes.
- the thiazolium dye provides a shading in the first few washes that is visual and pleasing.
- the effect of the direct dye only becomes visible after multiple washes and serves to counteract the long term yellowing.
- Hydrophobic dyes are defined as organic compounds with a maximum extinction coefficient greater than 1000 L/mol/cm in the wavelength range of 400 to 750 nm and that are uncharged in aqueous solution at a pH in the range from 7 to 11.
- the hydrophobic dyes are devoid of polar solubilizing groups. In particular the hydrophobic dye does not contain any sulphonic acid, carboxylic acid, or quaternary ammonium groups.
- the dye chromophore is preferably selected from the group comprising: azo; anthraquinone; phthalocyanine; benzodifuranes; quinophthalones; azothiophenes; azobenzothioazoles and, triphenylmethane chromophores . Most preferred are azo and anthraquinone dye chromophores.
- hydrophobic dyes are found in the classes of solvent and disperse dyes.
- Shading of white garments may be done with any colour depending on consumer preference.
- Blue and Violet are particularly preferred shades, most preferably violet, and consequently preferred dyes or mixtures of dyes are ones that give a blue or violet shade on white.
- suitable solvent and disperse dyes are available. However detailed toxicological studies have shown that a number of such dyes are possible carcinogens, for example disperse blue 1. Such dyes are not preferred. More suitable dyes may be selected from those solvent and disperse dyes used in cosmetics. For example as listed by the European Union in directive 76/768/EEC Annex IV part 1. For example disperse violet 27 and solvent violet 13.
- Preferred azo hydrophobic dyes for use in the present invention are: Disperse Violet 2, 3, 5, 6, 7, 9, 10, 12, 13, 16, 24, 25, 33, 39, 42, 43, 45, 48, 49, 50, 53, 54, 55, 58, 60, 63, 66, 69, 75, 76, 77, 82, 86, 88, 91, 92, 93, 93:1, 94, 95, 96, 97, 98, 99, 100, 102, 103, 104, 106 or 107 and Dianix violet cc
- Preferred anthraquinone hydrophobic dyes for use in the present invention are: Solvent Violet 11, 13, 14, 15, 15, 26, 28, 29, 30, 31, 32, 33, 34, 26, 37, 38, 40, 41, 42, 45, 48, 59; Solvent Blue 11, 12, 13, 14, 15, 17, 18, 19, 20, 21, 22, 35, 36, 40, 41, 45, 59, 59:1, 63, 65, 68, 69, 78, 90; Disperse Violet 1, 4, 8,
- Non-azo hydrophobic dykes for use in the present invention are:, Solvent Violet 8, Lumogen F Blau 650, and Lumogen F Violet 570.
- Solvent violet 13 is most preferred.
- Organic pigments are described in industrial Organic Pigments', Wiley VCH 2004 by W.Herbst and K. Hunger. Dyes are organic chemicals that are soluble in their application medium. Pigments are inorganic or organic particles that are insoluble in their application medium.
- Pigments provide further colour to the formulation and shading effects on both synthetic and cellulosic garments.
- pigments When pigments are present they are preferably present at levels of 0.0001 to 0.1%, preferably 0.0005 to 0.005 wt%. Inorganic pigments such as pigment blue 29 or pigment pigment violet 15 may be used, however organic pigments are preferred.
- Preferred pigments are pigment blue 1, 1:2, 1:3, 2, 2:1, 2:2, 3, 4, 5, 7, 9, 10, 10:1, 11, 12, 13, 14, 15, 15:1, 15:2, 15:3, 15:4, 15:6, 16, 18, 19, 20, 21, 22, 23, 25, 26, 27, 28, 29, 30, 31, 32, 34, 35, 36, 56, 57, 58, 59, 60, 61, 61:1, 62, 63, 64, 65, 66, 67, 69, 71, 72, 73, 74, 75, 79, 80, 83 and pigment violet 1, 1:1, 1:2, 2, 3, 3:1, 3:3, 3:4, 5, 5:1, 7:1, 8, 9, 11, 12, 13, 14, 15, 16, 18, 19, 23, 25, 27, 28, 29, 31, 32, 35, 37, 39, 41, 42, 43, 44, 45, 47, 48, 50, 54, 55 and 56
- More Preferred organic pigments are pigment violet 1, 1:1,
- More preferred pigments are pigment violet 3, 13, 23, 27, 37, 39, pigment blue 14, 25, 66 and 75.
- pigment violet 23 The most preferred is pigment violet 23.
- a direct violet or direct blue dye When a direct violet or direct blue dye is present it is preferably present at levels of 0.00001 to 0.001%, preferably 0.0005 to 0.0003%. Direct violet and direct blue dyes are preferred. Preferably the dye are bis-azo or tris-azo dyes. The carcinogenic benzidene based dyes are not preferred.
- Bis-azo copper containing dyes such as direct violet 66 may be used.
- the direct dye is a direct violet of the following structures:
- ring D and E may be independently naphthyl or phenyl as shown;
- Ri is selected from: hydrogen and Cl-C4-alkyl, preferably hydrogen;
- R2 is selected from: hydrogen, Cl-C4-alkyl, substituted or unsubstituted phenyl and substituted or unsubstituted naphthyl, preferably phenyl;
- R 3 and R 4 are independently selected from: hydrogen and Cl- C4-alkyl, preferably hydrogen or methyl;
- Preferred dyes are direct violet 7, direct violet 9, direct violet 11, direct violet 26, direct violet 31, direct violet 35, direct violet 40, direct violet 41, direct violet 51, and direct violet 99.
- the composition comprises between 2 to 70 wt % of a surfactant, most preferably 10 to 30 wt %.
- a surfactant most preferably 10 to 30 wt %.
- the nonionic and anionic surfactants of the surfactant system may be chosen from the surfactants described "Surface Active Agents" Vol. 1, by Schwartz & Perry, Interscience 1949, Vol. 2 by Schwartz, Perry & Berch, Interscience 1958, in the current edition of "McCutcheon ' s Emulsifiers and Detergents” published by Manufacturing Confectioners Company or in "Tenside-Taschenbuch", H. Stache, 2nd Edn., Carl Hauser Verlag, 1981.
- the surfactants used are saturated.
- Suitable nonionic detergent compounds which may be used include, in particular, the reaction products of compounds having a hydrophobic group and a reactive hydrogen atom, for example, aliphatic alcohols, acids, amides or alkyl phenols with alkylene oxides, especially ethylene oxide either alone or with propylene oxide.
- Specific nonionic detergent compounds are Ce to C22 alkyl phenol-ethylene oxide condensates, generally 5 to 25 EO, i.e. 5 to 25 units of ethylene oxide per molecule, and the condensation products of aliphatic Cs to Cis primary or secondary linear or branched alcohols with ethylene oxide, generally 5 to 40 EO.
- Suitable anionic detergent compounds which may be used are usually water-soluble alkali metal salts of organic sulphates and sulphonates having alkyl radicals containing from about 8 to about 22 carbon atoms, the term alkyl being used to include the alkyl portion of higher acyl radicals.
- suitable synthetic anionic detergent compounds are sodium and potassium alkyl sulphates, especially those obtained by sulphating higher Cs to Cis alcohols, produced for example from tallow or coconut oil, sodium and potassium alkyl Cg to C20 benzene sulphonates, particularly sodium linear secondary alkyl Cio to Ci 5 benzene sulphonates; and sodium alkyl glyceryl ether sulphates, especially those ethers of the higher alcohols derived from tallow or coconut oil and synthetic alcohols derived from petroleum.
- the preferred anionic detergent compounds are sodium Cu to Ci 5 alkyl benzene sulphonates and sodium C12 to Cis alkyl sulphates.
- surfactants such as those described in EP-A-328 177 (Unilever) , which show resistance to salting-out, the alkyl polyglycoside surfactants described in EP-A-070 074, and alkyl monoglycosides .
- Preferred surfactant systems are mixtures of anionic with nonionic detergent active materials, in particular the groups and examples of anionic and nonionic surfactants pointed out in EP-A-346 995 (Unilever) .
- surfactant system that is a mixture of an alkali metal salt of a Ci6 to Cis primary alcohol sulphate together with a Ci2 to Ci5 primary alcohol 3 to 7 EO ethoxylate.
- the nonionic detergent is preferably present in amounts greater than 10%, e.g. 25 to 90 wt % of the surfactant system.
- Anionic surfactants can be present for example in amounts in the range from about 5% to about 40 wt % of the surfactant system.
- the surfactant may be a cationic such that the formulation is a fabric conditioner.
- the present invention When the present invention is used as a fabric conditioner it needs to contain a cationic compound.
- the quaternary ammonium compound is a quaternary ammonium compound having at least one C12 to C22 alkyl chain.
- the quaternary ammonium compound has the following formula:
- R1-N-R3 X I R4 in which R 1 is a C12 to C22 alkyl or alkenyl chain; R 2 , R 3 and R 4 are independently selected from Ci to C 4 alkyl chains and X ⁇ is a compatible anion.
- a preferred compound of this type is the quaternary ammonium compound cetyl trimethyl quaternary ammonium bromide.
- a second class of materials for use with the present invention are the quaternary ammonium of the above structure in which R 1 and R 2 are independently selected from C12 to C22 alkyl or alkenyl chain; R 3 and R 4 are independently selected from Ci to C 4 alkyl chains and X ⁇ is a compatible anion.
- the ratio of cationic to nonionic surfactant is from 1:100 to 50:50, more preferably 1:50 to 20:50.
- the cationic compound may be present from 1.5 wt % to 50 wt % of the total weight of the composition.
- the cationic compound may be present from 2 wt % to 25 wt %, a more preferred composition range is from 5 wt % to 20 wt %.
- the softening material is preferably present in an amount of from 2 to 60% by weight of the total composition, more preferably from 2 to 40%, most preferably from 3 to 30% by weight .
- the composition optionally comprises a silicone.
- Builder materials may be selected from 1) calcium sequestrant materials, 2) precipitating materials,
- calcium sequestrant builder materials examples include alkali metal polyphosphates, such as sodium tripolyphosphate and organic sequestrants, such as ethylene diamine tetra- acetic acid.
- precipitating builder materials examples include sodium orthophosphate and sodium carbonate.
- Examples of calcium ion-exchange builder materials include the various types of water-insoluble crystalline or amorphous aluminosilicates, of which zeolites are the best known representatives, e.g. zeolite A, zeolite B (also known as zeolite P) , zeolite C, zeolite X, zeolite Y and also the zeolite P-type as described in EP-A-O, 384, 070.
- zeolites are the best known representatives, e.g. zeolite A, zeolite B (also known as zeolite P) , zeolite C, zeolite X, zeolite Y and also the zeolite P-type as described in EP-A-O, 384, 070.
- composition may also contain 0-65 % of a builder or complexing agent such as ethylenediaminetetraacetic acid, diethylenetriamine-pentaacetic acid, alkyl- or alkenylsuccinic acid, nitrilotriacetic acid or the other builders mentioned below.
- a builder or complexing agent such as ethylenediaminetetraacetic acid, diethylenetriamine-pentaacetic acid, alkyl- or alkenylsuccinic acid, nitrilotriacetic acid or the other builders mentioned below.
- Many builders are also bleach- stabilising agents by virtue of their ability to complex metal ions.
- Zeolite and carbonate are preferred builders.
- the composition may contain as builder a crystalline aluminosilicate, preferably an alkali metal aluminosilicate, more preferably a sodium aluminosilicate. This is typically present at a level of less than 15%w.
- Aluminosilicates are materials having the general formula:
- M is a monovalent cation, preferably sodium.
- M a monovalent cation, preferably sodium.
- These materials contain some bound water and are required to have a calcium ion exchange capacity of at least 50 mg CaO/g.
- the preferred sodium aluminosilicates contain 1.5-3.5 SiO 2 units in the formula above. They can be prepared readily by reaction between sodium silicate and sodium aluminate, as amply described in the literature.
- the ratio of surfactants to alumuminosilicate (where present) is preferably greater than 5:2, more preferably greater than 3:1.
- phosphate builders may be used.
- ⁇ phosphate' embraces diphosphate, triphosphate, and phosphonate species.
- Other forms of builder include silicates, such as soluble silicates, metasilicates, layered silicates (e.g. SKS-6 from Hoechst) .
- the laundry detergent formulation is a non- phosphate built laundry detergent formulation, i.e., contains less than 1 wt% of phosphate.
- the composition preferably comprises a fluorescent agent (optical brightener) .
- fluorescent agents are well known and many such fluorescent agents are available commercially. Usually, these fluorescent agents are supplied and used in the form of their alkali metal salts, for example, the sodium salts.
- the total amount of the fluorescent agent or agents used in the composition is generally from 0.005 to 2 wt %, more preferably 0.01 to 0.1 wt %.
- Preferred classes of fluorescer are: Di-styryl biphenyl compounds, e.g. Tinopal (Trade Mark) CBS-X, Di-amine stilbene di-sulphonic acid compounds, e.g.
- Preferred fluorescers are: sodium 2 (4-styryl-3- sulfophenyl) -2H-napthol [ 1 , 2-d] triazole, disodium 4,4'- bis ⁇ [ (4-anilino-6- (N methyl-N-2 hydroxyethyl) amino 1,3,5- triazin-2-yl) ] amino ⁇ stilbene-2-2 ' disulfonate, disodium 4, 4 ' -bis ⁇ [ (4-anilino-6-morpholino-l, 3,5-triazin-2-yl) ] amino ⁇ stilbene-2-2' disulfonate, and disodium 4, 4 '-bis (2- sulfostyryl) biphenyl .
- the composition comprises a perfume.
- the perfume is preferably in the range from 0.001 to 3 wt %, most preferably 0.1 to 1 wt %.
- CTFA Cosmetic, Toiletry and Fragrance Association
- compositions of the present invention it is envisaged that there will be four or more, preferably five or more, more preferably six or more or even seven or more different perfume components.
- top notes are defined by Poucher (Journal of the Society of Cosmetic Chemists 6(2) : 80 [1955]) .
- Preferred top-notes are selected from citrus oils, linalool, linalyl acetate, lavender, dihydromyrcenol, rose oxide and cis-3-hexanol .
- Perfume and top note may be used to cue the whiteness benefit of the invention.
- the laundry treatment composition does not contain a peroxygen bleach, e.g., sodium percarbonate, sodium perborate, and peracid.
- a peroxygen bleach e.g., sodium percarbonate, sodium perborate, and peracid.
- the composition may comprise one or more polymers.
- polymers examples are carboxymethylcellulose, poly (ethylene glycol) , poly (vinyl alcohol), polycarboxylates such as polyacrylates, maleic/acrylic acid copolymers and lauryl methacrylate/acrylic acid copolymers.
- Polymers present to prevent dye deposition for example poly (vinylpyrrolidone) , poly (vinylpyridine-N-oxide) , and poly (vinylimidazole) , are preferably absent from the formulation .
- the synthesised thiazolium dyes were tested for shading benefit by separately washing cotton cloth at room temperature, in 2.0 g/L of a base washing powder which contained: 18% NaLAS, 73% salts (silicate, sodium tri-poly- phosphate, sulphate, carbonate) , 3% minors, fluorescer and enzymes, remainder impurities and water.
- a liquor to cloth of with a 30:1 was used, the washes lasted for 30 mins, and were conducted with and without the addition of 200 part per billion of the shading dye.
- the cloths were rinsed then dried.
- the colour of the cloth was then assessed using a reflectometer (UV excluded for all measurements) and expressed as the ⁇ E value relative to cloth washed without dye.
- the colour of the cloth was expressed in CIELAB colour space as the hue angle.
- the dyes with the NHCOCH3 substitution (Tl, T6, T7) give more colour to the cloth, as indicated by higher ⁇ E values. They also give a true violet shade to the cloth with hue angles of 279 to 289. Optimum shading effects are obtained with hue angles of 275- 300.
- the commonly used shading dye direct violet 9 gives a hue angle of 288 in comparable tests.
- Enzyme levels are given as percent pure enzyme. Levels of direct violet 9, solvent violet 13 and Sulfonated Zn Pthalocyanine photobleach are given as pure dye.
- NI (7EO) refers to R- (OCH 2 CH 2 ) n OH, where R is an alkyl chain of C12 to C15, and n is 7.
- the formulations are prepared by adding direct violet 9, acid violet 7 and the Sulfonated Zn Pthalocyanine photobleach into the slurry which is then spray dried. Alternatively, the dyes and photobleach may be added via post-dosed MgSO 4 granules.
- the solvent violet 13 was dissolved in non-ionic surfactant (7EO) and granulated onto bentonite clay, to give a granule containing 0.2wt% dye. This was post-dosed to the formulation.
- the thiazolium dye was incorporated in two ways, by cogranulation with Solvent violet 13 with an acidic binder (Sokalan CP13) , and by mixing with a 30EO non-ionic then granulating with sodium sulphate and an acidic binder.
- NI (7EO) refers to R- (OCH 2 CH 2 ) n OH, where R is an alkyl chain of C12 to C15, and n is 7.
- NaLAS linear alkyl benzene sulphonate (LAS)
- SLES (3EO) is Ci 2 -Ci 8 alkyl polyethoxylate (3.0) sulphate.
- a rinse conditioner formulation for use in the rinse stage of the wash was also created. It contained 13.7wt% N, N- di (tallowoyloxyethyl) -N, N-dimethylammonium chloride, 1.5wt% perfume 0.004wt% thiazolium dyes T6, remainder minors and water .
- the Thiazolium dyes were synthesised according to the following scheme.
- the dyes were prepared in two stages. In the first stage 2- aminothiazole was diazotised and the diazonium salt was coupled with the corresponding amine. The resulting disperse dyes were treated with methyl iodide to form the thiazolium dye with iodide as the counter ion.
- the identity of the synthesised dyes were confirmed using mass spectroscopy.
- the dyes were all of high purity with no detectable impurities, observed by thin layer or by paper chromatography .
- This material was prepared in two stages. In the first m.- aminoacetanilide was reacted with benzyl chloride which was converted to the desired material by ethylating with ethyl bromide.
- N-Benzyl m. -aminoacetanilide (7.2g., 0.03m), ethyl bromide (6.54g., 0.06m) and triethyl phosphate (16g., 0.088m) were stirred under reflux for 5 hr . (bath temperature 100 0 C) . On cooling the mixture was added, with stirring, to water (ca.lOO ml) and the mixture neutralised with 2N sodium carbonate. The product was extracted with methylene chloride (3 x 100ml) , the combined organic extracts were dried (MgSO 4 ) and solvent removed to leave a pale brown syrup (9.2g), which was homogeneous by tic. The bulk of this syrup (5.6g,) was used direct. The remainder (3.6g.) was tritrated with hexane until it solidified, but was not further purified (2.75g., mp 94-97 0 C) .
- 2-Aminothiazole (2.0g., 0.02m) was diazotised and coupled onto N,N-diethyl m. -aminoacetanilide (4.12g. 0.02m) by the method described above for dye T5.
- the crude product was crystallised from aqueous ethanol. Yield 5.2g., 80%, mp ⁇ 90°C.
- the above disperse dye (4.9g., 0.0154m) was quaternised with methyl iodide (8ml., 18.4g., 0.128m) by the method described above for dye T5. Yield 5.7g., 81%. mp 213-215 0 C (decomp.)
- N-Methyl-2 (2- acetylamino-4- [ N, N-bis ⁇ ⁇ -hydroxyethoxyethyl- ⁇ amino- ] phenylazo-) thiazolium iodide.
- the above disperse dye (8.5g., 0.0194m @ 100%e.a.) was quarternised by refluxing it with methyl iodide (22.8g., 0.16m) in methylene chloride for 8 hours. On cooling, solid was collected: this was washed with a 50:50 mixture of methylene chloride: diethyl ether until free from the starting red disperse dye. Yield 8.3g. , 73%. mp 139-142 0 C.
Abstract
Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP08869523A EP2227533B1 (en) | 2008-01-11 | 2008-12-17 | Shading composition |
AT08869523T ATE536401T1 (en) | 2008-01-11 | 2008-12-17 | SHADING COMPOSITION |
BRPI0821867-6A BRPI0821867A2 (en) | 2008-01-11 | 2008-12-17 | Tissue wash treatment composition, domestic tissue treatment process and thiazole dye |
ES08869523T ES2378920T3 (en) | 2008-01-11 | 2008-12-17 | Matting Composition |
CN2008801246675A CN101910395B (en) | 2008-01-11 | 2008-12-17 | Shading composition |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP08150172 | 2008-01-11 | ||
EP08150172.8 | 2008-01-11 |
Publications (1)
Publication Number | Publication Date |
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WO2009087034A1 true WO2009087034A1 (en) | 2009-07-16 |
Family
ID=39494161
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2008/067798 WO2009087034A1 (en) | 2008-01-11 | 2008-12-17 | Shading composition |
Country Status (6)
Country | Link |
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EP (1) | EP2227533B1 (en) |
CN (1) | CN101910395B (en) |
AT (1) | ATE536401T1 (en) |
BR (1) | BRPI0821867A2 (en) |
ES (1) | ES2378920T3 (en) |
WO (1) | WO2009087034A1 (en) |
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EP2295531A1 (en) | 2009-09-14 | 2011-03-16 | The Procter & Gamble Company | A fluid laundry detergent composition |
WO2011060109A1 (en) | 2009-11-11 | 2011-05-19 | The Procter & Gamble Company | Cleaning method |
WO2011109319A1 (en) | 2010-03-01 | 2011-09-09 | The Procter & Gamble Company | Dual-usage liquid laundry detergents |
WO2011127102A1 (en) | 2010-04-06 | 2011-10-13 | The Procter & Gamble Company | Optimized release of bleaching systems in laundry detergents |
WO2011134685A1 (en) * | 2010-04-29 | 2011-11-03 | Unilever Plc | Bis-heterocyclic azo dyes |
EP2399980A1 (en) | 2010-06-24 | 2011-12-28 | The Procter & Gamble Company | Stable compositions comprising cationic cellulose polymer and cellulase |
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EP2399978A1 (en) | 2010-06-24 | 2011-12-28 | The Procter & Gamble Company | Stable non-aqueous liquid compositions comprising a cationic polymer in particulate form |
EP2865742A1 (en) | 2013-10-28 | 2015-04-29 | Dow Global Technologies LLC | Stable non-aqueous liquid compositions comprising a cationic polymer in particulate form |
EP2865741A1 (en) | 2013-10-28 | 2015-04-29 | Dow Global Technologies LLC | Stable non-aqueous liquid compositions comprising insoluble or weakly soluble ingredients |
EP3109306A1 (en) | 2015-06-22 | 2016-12-28 | The Procter and Gamble Company | Low solvent liquid detergent compositions |
EP3184619A1 (en) | 2015-12-22 | 2017-06-28 | The Procter & Gamble Company | Structured detergent compositions |
EP3611247A1 (en) | 2018-08-14 | 2020-02-19 | The Procter & Gamble Company | Fabric treatment compositions comprising benefit agent capsules |
EP3611245A1 (en) | 2018-08-14 | 2020-02-19 | The Procter & Gamble Company | Liquid fabric treatment compositions comprising brightener |
EP3611246A1 (en) | 2018-08-14 | 2020-02-19 | The Procter & Gamble Company | Fabric treatment compositions comprising benefit agent capsules |
WO2021076683A1 (en) | 2019-10-15 | 2021-04-22 | The Procter & Gamble Company | Detergent compositions |
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- 2008-12-17 WO PCT/EP2008/067798 patent/WO2009087034A1/en active Application Filing
- 2008-12-17 CN CN2008801246675A patent/CN101910395B/en not_active Expired - Fee Related
- 2008-12-17 EP EP08869523A patent/EP2227533B1/en not_active Not-in-force
- 2008-12-17 BR BRPI0821867-6A patent/BRPI0821867A2/en not_active Application Discontinuation
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Also Published As
Publication number | Publication date |
---|---|
ATE536401T1 (en) | 2011-12-15 |
CN101910395B (en) | 2012-04-18 |
EP2227533B1 (en) | 2011-12-07 |
ES2378920T3 (en) | 2012-04-19 |
BRPI0821867A2 (en) | 2015-07-28 |
EP2227533A1 (en) | 2010-09-15 |
CN101910395A (en) | 2010-12-08 |
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