EP0339707B2 - Encapsulated liquid detergent composition - Google Patents
Encapsulated liquid detergent composition Download PDFInfo
- Publication number
- EP0339707B2 EP0339707B2 EP19890200931 EP89200931A EP0339707B2 EP 0339707 B2 EP0339707 B2 EP 0339707B2 EP 19890200931 EP19890200931 EP 19890200931 EP 89200931 A EP89200931 A EP 89200931A EP 0339707 B2 EP0339707 B2 EP 0339707B2
- Authority
- EP
- European Patent Office
- Prior art keywords
- liquid detergent
- capsule
- detergent composition
- encapsulated
- water
- 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.)
- Expired - Lifetime
Links
- 239000007788 liquid Substances 0.000 title claims description 35
- 239000000203 mixture Substances 0.000 title claims description 35
- 239000003599 detergent Substances 0.000 title claims description 32
- 239000002775 capsule Substances 0.000 claims description 21
- 239000011343 solid material Substances 0.000 claims description 5
- 108091005804 Peptidases Proteins 0.000 claims description 4
- 102000035195 Peptidases Human genes 0.000 claims description 4
- 235000019832 sodium triphosphate Nutrition 0.000 claims description 4
- 239000007903 gelatin capsule Substances 0.000 claims description 3
- 239000011356 non-aqueous organic solvent Substances 0.000 claims 1
- 239000011146 organic particle Substances 0.000 claims 1
- 239000000126 substance Substances 0.000 claims 1
- 229920000159 gelatin Polymers 0.000 description 11
- 235000019322 gelatine Nutrition 0.000 description 11
- 108010010803 Gelatin Proteins 0.000 description 7
- 239000008273 gelatin Substances 0.000 description 7
- 235000011852 gelatine desserts Nutrition 0.000 description 7
- 239000000047 product Substances 0.000 description 7
- 239000007787 solid Substances 0.000 description 7
- 239000004094 surface-active agent Substances 0.000 description 7
- 239000002904 solvent Substances 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 238000005406 washing Methods 0.000 description 5
- 239000001828 Gelatine Substances 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 4
- 238000005538 encapsulation Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 108010020132 microbial serine proteinases Proteins 0.000 description 4
- 239000003960 organic solvent Substances 0.000 description 4
- 239000003974 emollient agent Substances 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 239000003921 oil Substances 0.000 description 3
- 235000019198 oils Nutrition 0.000 description 3
- 108090000790 Enzymes Proteins 0.000 description 2
- 102000004190 Enzymes Human genes 0.000 description 2
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 2
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 2
- 239000004480 active ingredient Substances 0.000 description 2
- -1 alkyl ether sulphates Chemical class 0.000 description 2
- 238000003287 bathing Methods 0.000 description 2
- 229940088598 enzyme Drugs 0.000 description 2
- 150000002148 esters Chemical class 0.000 description 2
- 239000008187 granular material Substances 0.000 description 2
- 229930195733 hydrocarbon Natural products 0.000 description 2
- 150000002430 hydrocarbons Chemical class 0.000 description 2
- 239000012263 liquid product Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- URAYPUMNDPQOKB-UHFFFAOYSA-N triacetin Chemical compound CC(=O)OCC(OC(C)=O)COC(C)=O URAYPUMNDPQOKB-UHFFFAOYSA-N 0.000 description 2
- 239000003021 water soluble solvent Substances 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- 229920000742 Cotton Polymers 0.000 description 1
- 229920000084 Gum arabic Polymers 0.000 description 1
- AFCARXCZXQIEQB-UHFFFAOYSA-N N-[3-oxo-3-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)propyl]-2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidine-5-carboxamide Chemical compound O=C(CCNC(=O)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F)N1CC2=C(CC1)NN=N2 AFCARXCZXQIEQB-UHFFFAOYSA-N 0.000 description 1
- 241000282320 Panthera leo Species 0.000 description 1
- 229920002257 Plurafac® Polymers 0.000 description 1
- 239000002202 Polyethylene glycol Substances 0.000 description 1
- 241000978776 Senegalia senegal Species 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 241000812633 Varicus Species 0.000 description 1
- 229910021536 Zeolite Inorganic materials 0.000 description 1
- 239000000205 acacia gum Substances 0.000 description 1
- 235000010489 acacia gum Nutrition 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 150000003973 alkyl amines Chemical class 0.000 description 1
- 125000000129 anionic group Chemical group 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 150000001841 cholesterols Chemical class 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 150000002170 ethers Chemical class 0.000 description 1
- 239000003925 fat Substances 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 239000000499 gel Substances 0.000 description 1
- 235000011187 glycerol Nutrition 0.000 description 1
- 235000013773 glyceryl triacetate Nutrition 0.000 description 1
- 150000008282 halocarbons Chemical class 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000003094 microcapsule Substances 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 235000010755 mineral Nutrition 0.000 description 1
- 235000014593 oils and fats Nutrition 0.000 description 1
- 150000007530 organic bases Chemical class 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 229920001223 polyethylene glycol Polymers 0.000 description 1
- 229920001184 polypeptide Polymers 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 description 1
- 102000004196 processed proteins & peptides Human genes 0.000 description 1
- 108090000765 processed proteins & peptides Proteins 0.000 description 1
- 229940024999 proteolytic enzymes for treatment of wounds and ulcers Drugs 0.000 description 1
- 230000003134 recirculating effect Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- 235000017550 sodium carbonate Nutrition 0.000 description 1
- 239000008399 tap water Substances 0.000 description 1
- 235000020679 tap water Nutrition 0.000 description 1
- 229960002622 triacetin Drugs 0.000 description 1
- 235000015112 vegetable and seed oil Nutrition 0.000 description 1
- 239000008158 vegetable oil Substances 0.000 description 1
- 239000010457 zeolite Substances 0.000 description 1
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
- C11D17/00—Detergent materials or soaps characterised by their shape or physical properties
- C11D17/0039—Coated compositions or coated components in the compositions, (micro)capsules
-
- 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
- C11D17/00—Detergent materials or soaps characterised by their shape or physical properties
- C11D17/0004—Non aqueous liquid compositions comprising insoluble particles
Definitions
- the present invention relates to an encapsulated, essentially non-aqueous liquid detergent composition.
- compositions are dispersions comprising a non-aqueous liquid (solvent) phase which can be a liquid surfactant, an organic non-aqueous non-surfactant liquid or a mixture of such materials. Furthermore, they contain dispersed particulate solids. These are small (e.g. 10 ⁇ m (microns)) particles of solid material which are useful in cleaning, such as solid surfactants, builders, bleaches, enzymes or any other of such solids known in the art.
- non-aqueous liquid detergent compositions are advantageous in that they constitute a very concentrated product form, the stability of the liquids leaves much to be desired. Furthermore, their handling and dispensing properties have proven to be problematic. A product having an optimal viscosity is difficult to formulate because of conflicting requirements. If the viscosity of the liquid product is too high, substantial amounts thereof may remain in the dispenser of the washing machine. If, on the other hand, its viscosity is too low the liquid detergent may leak down the drain of the European type washing machines. Furthermore upon contact with water the non-aqueous liquids tend to form gels, which again causes dispensing problems.
- non-aqueous liquid detergent compositions are difficult to dose from the point of view of administering the right amount of detergent as well as the messiness during handling of the liquid products. Therefore it would be desirable to provide a suitable unit dosing form for these kind of compositions.
- liquid detergent compositions in a self-dissolving capsule.
- the capsule which is usually made of gelatin, imposes considerable restrictions on the type of liquid detergent to be used therein, and the encapsulation has only been successful in a few occasions.
- only essentially water-free or non-aqueous liquid detergent compositions can be used, as water tends to dissolve the gelatin capsule.
- GB-A-2,192,404 (Scherer) relates to a foam bath product comprising 40-60% of amino salts of long chain alkyl ether sulphates, 25-35% low molecular weight polyethylene glycol and 2,5-7,5% glycerin encapsulated in soft elastic water-soluble gelatin.
- the US-patent 3,528,925 discloses an encapsulated synthetic liquid detergent composition consisting of 33-65% of an anionic surface active ingredient, 8-36,5% of a nonionic surface active ingredient and 20-59% of an alkanolamine or alkylamine.
- the composition is therefore essentially a non-built light duty detergent composition. It contains less than 1% water and is encapsulated in gelatin.
- DE-A-2 166 054 discloses a general purpose detergent composition especially suitable for removing fatty materials which contains a water-insoluble (or low-soluble), but fat-soluble solvent which lowers the melting point of the fatty materials so that this is more easily removed.
- the low (or non-) water-soluble solvent is encapsulated by a water-soluble film.
- the disclosed detergent composition comprises a fixture of surfactants and builders (granules or powder) and an encapsulated organic solvent. According to the examples builders may also be present.
- the low (or non-) water-soluble solvents used are solvents for oils and fats and comprise low-boiling hydrocarbons, halogenated hydrocarbons, ethers, esters etc (p. 5, lines 10-6 from the bottom).
- the encapsulated solvent amounts to 3 to 23% by weight of the total composition.
- FR-A-2 143 832 discloses a bathing composition having both satisfactory foaming properties and emollient properties for the skin in the form of a free flowing granular composition (page 2, lines 9 and 28/29).
- the bathing composition comprises detergent granules and microcapsules of an emollient composition. Numerous types of surfactants and optionally builders can be present.
- the water-insoluble emollient for the skin is encapsulated and comprises known oils such as mineral and hydrocarbon oils (light, heavy or medium), vegetable oils, synthetic esters, lanoline, cholesterol derivatives, and silicon oil.
- the encapsulating material can be gelatin, gum arabic etc.
- One object of the present invention is to provide an encapsulated, heavy duty liquid detergent composition. Another object is to provide an essentially non-aqueous liquid detergent composition, suitable for use in such encapsulated detergent product.
- liquid detergent compositions preferably the liquid cleaning products are used which are described in the co-pending European patent application 87.309568.1 (EP-A-0266199).
- This European patent application relates to non-aqueous liquid cleaning products which are formulated by dispersing particulate solids in an organic solvent by using a structurant or deflocculant which causes a viscosity reduction at low shear rates in that solids/solvent system or an equivalent system in which the solids volume fraction is sufficiently high to raise the viscosity of the solvent.
- the organic solvent may be a liquid surfactant.
- the solids are particles of a solid material which is useful in cleaning, such as surfactants, builders, bleaches, enzymes, etc.
- the structurant is any acid, salt or base which fulfills the aforementioned test.
- the solid material which dispersed in the organic solvent is preferably a builder such as a zeolite or sodium tripolyphosphate (STP).
- a builder such as a zeolite or sodium tripolyphosphate (STP).
- liquid detergent composition inside the capsule may additionally contain one or more proteolytic enzymes, although it would be expected that these would digest the gelatine capsule.
- the essentially non-aqueous liquid detergent compositions can be prepared as described in the above mentioned European patent application. They can be encapsulated in accordance with methods which are known to the man skilled in the art. For instance, the US-patent 3.528.925 describes the encapsulation in gelatin of a non-aqueous liquid detergent composition by means of two continuous ribbons of a melted gelatin mass.
- NAL'S non-aqueous detergent compositions
- compositions were encapsulated into soft gelatin capsules by means of the rotary die process.
- rotary die process two continuous ribbons of gelatin are formed and subsequently pressed together between two rotating drums having dies on their surfaces, whereby the liquid is added between the ribbons.
- Round capsules were produced containing approximately 7.5g liquid detergent. The properties of these capsules were evaluated with regard to release, storage stability and performance.
- the release rates and total delivery of the capsules were measured in a modified AEG drum-type washing machine, of which the front walls of both inner and outer drum were replaced by transparent plastic plates.
- the release of the capsule contents was registered by means of on-line conductivity in a 40°C heat-up cycle with a water intake of 15 l of tap water and a wash load of 1 kg of mixed cotton.
- a number of capsules was dosed corresponding to approximately 30 g of NAL.
- the possible occurrence of mechanical loss was checked by recirculating the suds via the machine drain at the end of each experiment.
- Spherical capsules containing non-aqueous liquid including 1 % savinase were stored under various conditions.
- the samples which were stored in closed cups at 37°C showed a remaining activity after four weeks of 75 %, which figure is comparable with normal proteolytic enzyme stability in current non-aqueous liquids. No degradation of the polypeptide gelatine capsule wall was observed under these conditions.
- the performance of the encapsulated NAL was compared with the performance of standard NAL on varicus test cloths.
- the test was carried out in a top coating drum-type washing machine, main wash only (40°C, 30 min), a water hardness of 150 mg CaO per 1000 ml water (15 ° FH) and 3 kg of standard soiled load.
- the performance of six spherical capsules (correponding to 45 g of NAL), with and without Savinase, was compared to the performance of 45 g non-encapsulated NAL, without savinase, as a control.
- the products were dosed in the drum between the load.
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)
Description
The low (or non-) water-soluble solvents used are solvents for oils and fats and comprise low-boiling hydrocarbons, halogenated hydrocarbons, ethers, esters etc (p. 5, lines 10-6 from the bottom). The encapsulated solvent amounts to 3 to 23% by weight of the total composition.
1 | 2 | |
Plurafac RA 30 | 29.7 | 30.0 |
Marlon | 3 | 3 |
Glycerol triacetate | 5 | 5 |
STP.0aq | 51.1 | 51.7 |
Soda ash | 10.2 | 10.3 |
Savinase | 1.0 | -- |
Single .wash performance on testcloths (ΔR460) | |||
Example | 1 | 2 | Control |
Testcloths: | |||
AS09 | 24.4 | 23.9 | 19.9 |
PC09 | 17.4 | 17.0 | 15.2 |
WFK10c | 10.3 | 10.6 | 8.5 |
EMPA101 | 15.9 | 14.2 | 11.7 |
BC-1 | -1.1 | -1.9 | -2.0 |
AS10 | 28.3 | 6.0 | 5.7 |
PC10 | 22.3 | 5.8 | 5.5 |
EMPA116 | 21.1 | 4.7 | 4.4 |
Terry Towel | -2.0 | -3.2 | -3.2 |
Claims (3)
- A capsule containing a non-aqueous liquid detergent composition, wherein the liquid detergent component comprises a non-aqueous organic solvent and particles of a solid material dispersed therein, wherein the capsule comprises a water-dispersible substance, wherein the liquid detergent composition contains a proteolytic enzyme and the capsule is a gelatin capsule.
- A capsule according to claim 1, wherein the dispersed solid material comprises a builder.
- A capsule according to claim 2, wherein the builder is sodium tripolyphosphate.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB8810197 | 1988-04-29 | ||
GB888810197A GB8810197D0 (en) | 1988-04-29 | 1988-04-29 | Encapsulated liquid detergent composition |
Publications (4)
Publication Number | Publication Date |
---|---|
EP0339707A2 EP0339707A2 (en) | 1989-11-02 |
EP0339707A3 EP0339707A3 (en) | 1990-10-17 |
EP0339707B1 EP0339707B1 (en) | 1994-11-30 |
EP0339707B2 true EP0339707B2 (en) | 1998-04-08 |
Family
ID=10636112
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP19890200931 Expired - Lifetime EP0339707B2 (en) | 1988-04-29 | 1989-04-13 | Encapsulated liquid detergent composition |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP0339707B2 (en) |
JP (1) | JPH0216198A (en) |
CA (1) | CA1336485C (en) |
DE (1) | DE68919518D1 (en) |
GB (1) | GB8810197D0 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7479475B2 (en) | 2002-12-19 | 2009-01-20 | The Procter & Gamble Company | Single compartment unit dose fabric treatment product comprising pouched compositions with non-cationic fabric softener actives |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CZ417598A3 (en) † | 1996-06-28 | 1999-07-14 | The Procter & Gamble Company | Anhydrous liquid detergent composition containing specific alyklbenzene sulfonate surface-active agent |
CA2295142A1 (en) * | 1997-06-27 | 1999-01-07 | Yueqian Zhen | Non-aqueous liquid detergent compositions containing enzyme particles having reduced density |
DE19918265A1 (en) * | 1999-04-22 | 2000-10-26 | Henkel Kgaa | Abrasive-containing aqueous liquid cleaning or scouring agent for hard surfaces contains microcapsules containing an ingredient to be protected e.g. a perfume |
WO2001085895A1 (en) * | 2000-05-12 | 2001-11-15 | Unilever N.V. | Unit dose cleaning product |
DE10040724A1 (en) * | 2000-08-17 | 2002-03-07 | Henkel Kgaa | Mechanically stable, liquid formulated detergent, detergent or cleaning agent portions |
EP1354026B2 (en) * | 2001-01-19 | 2008-12-24 | The Procter & Gamble Company | Liquid composition in a pouch |
US7074748B2 (en) | 2001-01-19 | 2006-07-11 | The Procter & Gamble Company | Liquid composition |
GB0104979D0 (en) * | 2001-02-28 | 2001-04-18 | Unilever Plc | Unit dose cleaning product |
GB0114850D0 (en) * | 2001-06-18 | 2001-08-08 | Unilever Plc | Water soluble package and liquid contents thereof |
DE10159780A1 (en) * | 2001-12-05 | 2003-06-26 | Henkel Kgaa | Portioned detergent and cleaning agent composition |
DE102004042933A1 (en) * | 2004-09-02 | 2006-03-23 | Henkel Kgaa | Solid formulated liquids for use in particulate detergents and cleaners |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT862247A (en) * | 1968-03-29 | |||
DE2166054A1 (en) * | 1970-03-03 | 1972-12-21 | Lion Fat & Oil Co , Ltd , Tokio | Detergent and cleaning agent excretion from 2109892 |
US3798179A (en) * | 1971-06-29 | 1974-03-19 | Procter & Gamble | Granular free-flowing detergent bath composition |
FR2169720A1 (en) * | 1972-01-05 | 1973-09-14 | Majorica Heusch Sa | Sol bath capsule - of pearl-like lustre replaces bath curbes and salts |
GB8308508D0 (en) * | 1983-03-28 | 1983-05-05 | Ici Plc | Detergent compositions |
IN166360B (en) * | 1985-08-05 | 1990-04-14 | Colgate Palmolive Co | |
JPH0764718B2 (en) * | 1986-03-26 | 1995-07-12 | 株式会社ツムラ | Bath composition |
-
1988
- 1988-04-29 GB GB888810197A patent/GB8810197D0/en active Pending
-
1989
- 1989-04-13 DE DE68919518T patent/DE68919518D1/en not_active Expired - Lifetime
- 1989-04-13 EP EP19890200931 patent/EP0339707B2/en not_active Expired - Lifetime
- 1989-04-24 CA CA 597590 patent/CA1336485C/en not_active Expired - Fee Related
- 1989-04-28 JP JP11194889A patent/JPH0216198A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7479475B2 (en) | 2002-12-19 | 2009-01-20 | The Procter & Gamble Company | Single compartment unit dose fabric treatment product comprising pouched compositions with non-cationic fabric softener actives |
Also Published As
Publication number | Publication date |
---|---|
JPH0216198A (en) | 1990-01-19 |
DE68919518D1 (en) | 1995-01-12 |
GB8810197D0 (en) | 1988-06-02 |
EP0339707A3 (en) | 1990-10-17 |
CA1336485C (en) | 1995-08-01 |
EP0339707A2 (en) | 1989-11-02 |
EP0339707B1 (en) | 1994-11-30 |
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