EP2147090A1 - Triphenyl methane and xanthene pigments - Google Patents

Triphenyl methane and xanthene pigments

Info

Publication number
EP2147090A1
EP2147090A1 EP08717230A EP08717230A EP2147090A1 EP 2147090 A1 EP2147090 A1 EP 2147090A1 EP 08717230 A EP08717230 A EP 08717230A EP 08717230 A EP08717230 A EP 08717230A EP 2147090 A1 EP2147090 A1 EP 2147090A1
Authority
EP
European Patent Office
Prior art keywords
pigment
hydrogen
alkyl
violet
blue
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP08717230A
Other languages
German (de)
French (fr)
Other versions
EP2147090B1 (en
Inventor
Stephen Norman Batchelor
Jayne Michelle Bird
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Unilever PLC
Unilever NV
Original Assignee
Unilever PLC
Unilever NV
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Unilever PLC, Unilever NV filed Critical Unilever PLC
Priority to EP08717230A priority Critical patent/EP2147090B1/en
Publication of EP2147090A1 publication Critical patent/EP2147090A1/en
Application granted granted Critical
Publication of EP2147090B1 publication Critical patent/EP2147090B1/en
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • C11D3/40—Dyes ; Pigments

Definitions

  • the present invention concerns the use of organic pigments in laundry compositions.
  • Colouring agents when substantive to a fabric, are normally specific to a particular fibre type, for example cotton or polyester.
  • WO 2006/032397 discloses the use of differing dye types in order to garments of differing fabrics and shade mixed garment fibres.
  • the present invention provides laundry composition comprising between 0.00001 to 0.01 wt% of an organic pigment and 2 to 70 wt% of a surfactant, wherein the organic pigment is an inorganic heteropolyacid salt of a triphenyl methane or a xanthene moiety.
  • 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.
  • the present invention concerns pigments of the structure
  • the anion A is an inorganic heteropolyacid.
  • the heteropolyacid is preferably selected from phosphomolybdic acid, phosphotungstic acid, phosphotungstomolybdic acid and silicomolybdic acid.
  • Preferred pigments are triphenyl methane, when O is absent, or a xanthene moiety, when O is present and bonded at dashed lines, of the following form:
  • A- is an inorganic heteropolyacid
  • Rl and R2 are independently selected from: hydrogen, C1-C6- alkyl and phenyl;
  • X is independently selected from the group consisting of: hydrogen, Cl-C6-alkyl and benzyl;
  • Ar is selected is hydrogen
  • Rl and R2 are as defined above;
  • R3 is hydrogen, Cl-C6-alkyl, or phenyl;
  • R 4 is hydrogen, Cl-C6-alkyl, or phenyl.
  • the Ri and R2 groups are independently selected from hydrogen, methyl and ethyl groups, preferably methyl and ethyl.
  • the Rl groups are same.
  • the Rl groups are the same and the R2 groups are the same.
  • X is selected from hydrogen and methyl, preferably hydrogen, - A -
  • the central oxygen shown with dashed bonds is optional; the triphenyl methane pigments are most preferred.
  • the Ar group is preferably
  • Y is selected from hydrogen, methyl and ethyl groups .
  • the Ar group is preferably selected from:
  • R 3 is selected from hydrogen, methyl or ethyl, preferably hydrogen and R 4 is selected from methyl, ethyl or phenyl.
  • the amine substituted phenyl group is preferred rather than the naphthyl .
  • Preferred pigments are pigment violet 3, pigment violet 27, pigment violet 39, pigment violet 1, pigment violet 1:1, pigment violet 1:2, pigment blue 1, pigment blue 1:2, pigment blue 1:3 pigment blue 2, pigment blue 10, pigment blue 10:1, pigment blue 11, pigment blue 14 and pigment blue 62.
  • pigment violet 3 pigment violet 27, pigment violet 39 and pigment blue 14.
  • the laundry composition contains less than 0.00004 wt% of a blue or violet shading dye and is preferably devoid of such.
  • 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 C 12 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:
  • 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 .
  • composition optionally comprises a silicone.
  • 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] trazole, 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
  • 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
  • Pigment violet 14 is an inorganic pigment based on (Co) 3 (P0 4 ) 2
  • Example 1 Pigments were tested for shading benefit by washing cotton, polyester-cotton, polyester, nylon-elastane fabric together at room temperature, in 2. Og/L of a base washing powder which contained: 18% NaLAS, 73% salts (silicate, sodium tri- poly-phosphate, sulphate, carbonate) , 3% minors including fluorescer and enzymes, remainder impurities and water. A liquor to cloth of with a 30:1 was used, the wash lasted for 30 mins, and were conducted with and without the addition of 500 part per billion of the pigment. Pigments were added from a 0.005 wt% solution in ethanol. All pigments were used as received. Following the wash, the cloths were rinses then drying.
  • a base washing powder which contained: 18% NaLAS, 73% salts (silicate, sodium tri- poly-phosphate, sulphate, carbonate) , 3% minors including fluorescer and enzymes, remainder impurities and water.
  • a liquor to cloth of with a 30:1 was used
  • WP woven polyester
  • WPC 65/35 woven polyester cotton

Landscapes

  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Wood Science & Technology (AREA)
  • Organic Chemistry (AREA)
  • Detergent Compositions (AREA)

Abstract

The present invention provides a laundry treatment composition comprising an organic pigment and 2 to 70 wt% of a surfactant, wherein the organic pigment is an inorganic heteropolyacid salt of a triphenyl methane or a xanthene moiety.

Description

TRIPHENYL METHANE AND XANTHENE PIGMENTS
FIELD OF INVENTION
The present invention concerns the use of organic pigments in laundry compositions.
BACKGROUND OF INVENTION
Many garments yellow over multiple wash wear cycles, reducing the aesthetic value of the garment. In order to maintain the white appearance shading dyes may be used.
Colouring agents, when substantive to a fabric, are normally specific to a particular fibre type, for example cotton or polyester. WO 2006/032397 discloses the use of differing dye types in order to garments of differing fabrics and shade mixed garment fibres.
SUMMARY OF INVENTION
We have found that blue and violet pigments based on triphenyl methane and xanthene chromphores with inorganic heteropolyacids efficiently deposit onto cotton, polyester and nylon. A consequence is that the pigments of the present invention may be used as a chromophore alone, i.e. without other blue/violet shading agents.
In one aspect the present invention provides laundry composition comprising between 0.00001 to 0.01 wt% of an organic pigment and 2 to 70 wt% of a surfactant, wherein the organic pigment is an inorganic heteropolyacid salt of a triphenyl methane or a xanthene moiety.
DETAILED DESCRIPTION OF INVENTION
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.
The present invention concerns pigments of the structure
Where the anion A is an inorganic heteropolyacid. The heteropolyacid is preferably selected from phosphomolybdic acid, phosphotungstic acid, phosphotungstomolybdic acid and silicomolybdic acid.
In the structures below the arrow indicates position of bonding to the pigment core structure.
Preferred pigments are triphenyl methane, when O is absent, or a xanthene moiety, when O is present and bonded at dashed lines, of the following form:
wherein A- is an inorganic heteropolyacid;
Rl and R2 are independently selected from: hydrogen, C1-C6- alkyl and phenyl;
X is independently selected from the group consisting of: hydrogen, Cl-C6-alkyl and benzyl;
Ar is selected is hydrogen,
Cl-C6-alkyl or wherein Rl and R2 are as defined above; R3 is hydrogen, Cl-C6-alkyl, or phenyl; R4 is hydrogen, Cl-C6-alkyl, or phenyl.
The Ri and R2 groups are independently selected from hydrogen, methyl and ethyl groups, preferably methyl and ethyl. Preferably the Rl groups are same. Preferably the Rl groups are the same and the R2 groups are the same.
X is selected from hydrogen and methyl, preferably hydrogen, - A -
The central oxygen shown with dashed bonds is optional; the triphenyl methane pigments are most preferred.
When the central Oxygen atom is present, then the Ar group is preferably
, in which Y is selected from hydrogen, methyl and ethyl groups .
In the absence of the central oxygen the Ar group is preferably selected from:
where the R3 is selected from hydrogen, methyl or ethyl, preferably hydrogen and R4 is selected from methyl, ethyl or phenyl. The amine substituted phenyl group is preferred rather than the naphthyl .
Preferred pigments are pigment violet 3, pigment violet 27, pigment violet 39, pigment violet 1, pigment violet 1:1, pigment violet 1:2, pigment blue 1, pigment blue 1:2, pigment blue 1:3 pigment blue 2, pigment blue 10, pigment blue 10:1, pigment blue 11, pigment blue 14 and pigment blue 62.
Most preferably pigment violet 3, pigment violet 27, pigment violet 39 and pigment blue 14.
It is most preferred that pigments are used alone and not in combination with other blue or violet shading dyes. In this regard the laundry composition contains less than 0.00004 wt% of a blue or violet shading dye and is preferably devoid of such.
SURFACTANT
The composition comprises between 2 to 70 wt% of a surfactant, most preferably 10 to 30 wt %. In general, 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. Preferably 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. Examples of 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 Ci5 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 Ci5 alkyl benzene sulphonates and sodium C12 to Cis alkyl sulphates. Also applicable are 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) . Especially preferred is 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.
In another aspect which is also preferred the surfactant may be a cationic such that the formulation is a fabric conditioner .
CATIONIC COMPOUND
When the present invention is used as a fabric conditioner it needs to contain a cationic compound.
Most preferred are quaternary ammonium compounds.
It is advantageous if the quaternary ammonium compound is a quaternary ammonium compound having at least one C12 to C22 alkyl chain.
It is preferred if the quaternary ammonium compound has the following formula:
R2
I +
R1—N-R3 X I R4 in which R1 is a C12 to C22 alkyl or alkenyl chain; R2, R3 and R4 are independently selected from Ci to C4 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 R1 and R2 are independently selected from C12 to C22 alkyl or alkenyl chain; R3 and R4 are independently selected from Ci to C4 alkyl chains and X~ is a compatible anion.
A detergent composition according to claim 1 in which the ratio of (ii) cationic material to (iv) anionic surfactant is at least 2:1.
Other suitable quaternary ammonium compounds are disclosed in EP 0 239 910 (Proctor and Gamble) .
It is preferred if 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. Preferably 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. FLUORESCENT AGENT
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. Tinopal DMS pure Xtra and Blankophor (Trade Mark) HRH, and Pyrazoline compounds, e.g. Blankophor SN. Preferred fluorescers are: sodium 2 (4-styryl-3- sulfophenyl) -2H-napthol [ 1, 2-d] trazole, 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- sulfoslyryl) biphenyl .
PERFUME
Preferably 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 %. Many suitable examples of perfumes are provided in the CTFA (Cosmetic, Toiletry and Fragrance Association) 1992 International Buyers Guide, published by CFTA Publications and OPD 1993 Chemicals Buyers Directory 80th Annual Edition, published by Schnell Publishing Co. Examples
Pigment Violet 1:2 Phosphotungstomolybdic acid salt of
Pigment violet 3 Phosphotungstomolybdic acid salt of
Pigment Violet 39 Phosphomolybdic salt of
Pigment Blue 1 Phosphotungstomolybdic acid salt of
Pigment violet 14 is an inorganic pigment based on (Co)3(P04)2
Example 1 Pigments were tested for shading benefit by washing cotton, polyester-cotton, polyester, nylon-elastane fabric together at room temperature, in 2. Og/L of a base washing powder which contained: 18% NaLAS, 73% salts (silicate, sodium tri- poly-phosphate, sulphate, carbonate) , 3% minors including fluorescer and enzymes, remainder impurities and water. A liquor to cloth of with a 30:1 was used, the wash lasted for 30 mins, and were conducted with and without the addition of 500 part per billion of the pigment. Pigments were added from a 0.005 wt% solution in ethanol. All pigments were used as received. Following the wash, the cloths were rinses then drying. The colour of the cloth was then assessed using a reflectometer (UV excluded for all measurements) and expressed as the ΔE value relative to cloth washed without pigment. The pigments tested and ΔE values are given in the table below. AIl the triphenyl methane and xanthene based pigments showed good deposition over the range of the fabrics. In contrast, the inorganic pigment violet 14 shows very low deposition on these fabrics.
Fabric codes:
WC = woven cotton
KC = knitted cotton
WP = woven polyester
WPC = 65/35 woven polyester cotton
NE = 90/10 nylon elastane

Claims

We claim:
1. A laundry composition comprising between 0.00001 to 0.01 wt% of an organic pigment and 2 to 70 wt% of a surfactant, wherein the organic pigment is an inorganic heteropolyacid salt of a triphenyl methane or a xanthene moiety.
2. A laundry composition according to claim 1, wherein the triphenyl methane, when O is absent, or a xanthene moiety, when O is present and bonded at dashed lines, is of the following form:
wherein A- is an inorganic heteropolyacid;
Rl and R2 are independently selected from: hydrogen, C1-C6- alkyl and phenyl;
X is independently selected from the group consisting of: hydrogen, Cl-C6-alkyl and benzyl;
Ar is selected is hydrogen,
Cl-C6-alkyl or wherein Rl and R2 are as defined above; R3 is hydrogen, Cl-C6-alkyl, or phenyl; R4 is hydrogen, Cl-C6-alkyl, or phenyl.
3. A laundry composition according to claim 2, wherein Rl and R2 are independently selected from: hydrogen, methyl and ethyl;
X is independently selected from the group consisting of: hydrogen and methyl;
Ar, when the organic pigment is a xanthene moiety is
and Y is selected from hydrogen, methyl and ethyl group;
Ar, when the organic pigment is a triphenyl methane moiety, is selected from the group consisting of:
wherein Rl and R2 are as defined above;
R3 is selected from: hydrogen, methyl or ethyl; and,
R4 is selected from methyl, ethyl or phenyl.
4. A laundry composition according to any preceding claim, wherein substituents Rl are same and substituents R2 are same .
5. A laundry composition according to any preceding claim, wherein the organic pigment is a triphenyl methane pigment.
6. A laundry composition according to claim 1, wherein the organic pigment is selected from the group consisting of: pigment violet 3, pigment violet 27, pigment violet 39, pigment violet 1, pigment violet 1:1, pigment violet 1:2, pigment blue 1, pigment blue 1:2, pigment blue 1:3 pigment blue 2, pigment blue 10, pigment blue 10:1, pigment blue 11, pigment blue 14 and pigment blue 62.
7. A laundry composition according to claim 6, wherein the organic pigment is selected from the group consisting of: pigment violet 3, pigment violet 27, pigment violet 39 and pigment blue 14.
8. A laundry composition according to any preceding claim, wherein the inorganic heteropolyacid is selected from the group consisting of: phosphomolybdic acid, phosphotungstic acid, phosphotungstomolybdic acid and silicomolybdic acid.
9. A domestic method of treating a textile, the method comprising the steps of:
(i) treating a textile with an aqueous solution of the pigment as defined in any one of claims 1 to 8, the aqueous solution comprising from 1 ppb to 1 ppm of the pigment, and, from 0.2 g/L to 3 g/L of a surfactant; and, (ii) rinsing and drying the textile.
10. A method according to claim 9, wherein the pigment is present from 10 ppb to 200 ppb.
EP08717230A 2007-05-18 2008-02-28 Triphenyl methane and xanthene pigments Not-in-force EP2147090B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP08717230A EP2147090B1 (en) 2007-05-18 2008-02-28 Triphenyl methane and xanthene pigments

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP07108443 2007-05-18
PCT/EP2008/052446 WO2008141847A1 (en) 2007-05-18 2008-02-28 Triphenyl methane and xanthene pigments
EP08717230A EP2147090B1 (en) 2007-05-18 2008-02-28 Triphenyl methane and xanthene pigments

Publications (2)

Publication Number Publication Date
EP2147090A1 true EP2147090A1 (en) 2010-01-27
EP2147090B1 EP2147090B1 (en) 2010-12-22

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EP (1) EP2147090B1 (en)
CN (1) CN101679918B (en)
AR (1) AR066575A1 (en)
AT (1) ATE492624T1 (en)
BR (1) BRPI0811888B1 (en)
CL (1) CL2008001403A1 (en)
DE (1) DE602008004135D1 (en)
ES (1) ES2358465T3 (en)
MY (1) MY147261A (en)
WO (1) WO2008141847A1 (en)

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Publication number Priority date Publication date Assignee Title
CN103483861A (en) * 2013-09-11 2014-01-01 吴江市冰心文教用品有限公司 Blue light-resistance textile fiber pigment

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Publication number Priority date Publication date Assignee Title
US3650831A (en) * 1969-03-10 1972-03-21 Armour Dial Inc Method of cleaning surfaces
BE755338A (en) * 1969-08-29 1971-02-26 Unilever Nv BLEACHING COMPOSITIONS
GB1313180A (en) * 1970-09-23 1973-04-11 Unilever Ltd Surface active liquids
US4444592A (en) * 1981-06-02 1984-04-24 The Sherwin-Williams Company Pigment compositions and processes therefor
GB8431256D0 (en) * 1984-12-11 1985-01-23 Unilever Plc Coloured bleaching compositions
US4863620A (en) * 1988-10-18 1989-09-05 The Procter & Gamble Company Acidic liquid fabric softener with yellow color that changes to blue upon dilution
US5929004A (en) * 1997-10-10 1999-07-27 No Touch North America Detergent for cleaning tire wheels and cleaning method
WO2006041739A1 (en) * 2004-10-04 2006-04-20 The Procter & Gamble Company A composition with a metal-complexing dye and surfactant

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Title
See references of WO2008141847A1 *

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WO2008141847A1 (en) 2008-11-27
BRPI0811888B1 (en) 2017-02-14
EP2147090B1 (en) 2010-12-22
CL2008001403A1 (en) 2009-01-16
ES2358465T3 (en) 2011-05-10
AR066575A1 (en) 2009-08-26
DE602008004135D1 (en) 2011-02-03
BRPI0811888A2 (en) 2014-11-18
MY147261A (en) 2012-11-30
CN101679918A (en) 2010-03-24
ATE492624T1 (en) 2011-01-15
CN101679918B (en) 2012-03-28

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