EP1077251B1 - Composition adoucissante - Google Patents

Composition adoucissante Download PDF

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Publication number
EP1077251B1
EP1077251B1 EP20000110814 EP00110814A EP1077251B1 EP 1077251 B1 EP1077251 B1 EP 1077251B1 EP 20000110814 EP20000110814 EP 20000110814 EP 00110814 A EP00110814 A EP 00110814A EP 1077251 B1 EP1077251 B1 EP 1077251B1
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EP
European Patent Office
Prior art keywords
fragrance
fabric
composition according
fragrance precursor
fabric softening
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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
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EP20000110814
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German (de)
English (en)
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EP1077251A1 (fr
Inventor
Markus Dr. Gautschi
Philippe Blondeau
Samuel Dr. Derrer
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Givaudan SA
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Givaudan SA
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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
    • C11D3/0005—Other compounding ingredients characterised by their effect
    • C11D3/001—Softening compositions
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/16—Organic compounds
    • C11D3/38—Products with no well-defined composition, e.g. natural products
    • C11D3/386—Preparations containing enzymes, e.g. protease or amylase
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/50—Perfumes
    • C11D3/502—Protected perfumes
    • C11D3/507—Compounds releasing perfumes by thermal or chemical activation

Definitions

  • the present invention relates to a fabric softening composition
  • a fabric softening composition comprising a surfactant as fabric softener and a fragrance precursor according to claim 1, a process for preparing the fabric softening composition according to claim 12 and a process for imparting odor to a fabric according to claim 13.
  • the usual process for the cleaning of fabrics comprises washing the fabric with a detergent containing a surfactant, followed by rinsing and drying. Enzymes are incorporated into the detergents to improve the removal of stains. Proteases have been described to be useful in detergents to remove proteinaceous stains (US 3,723,250) and amylases have been described to be useful in detergent compositions to remove starchy stains (US 3,627,688). Lipases have been described to be useful in detergent compositions to improve the removal of fat soiling (US 4,810,414). The use of lipase in detergents has been reviewed by H. Andree et al., J. Applied Biochem. 1980, 2, 218-229. Further a non-dusting granulate containing a cellulase has been added to a detergent composition in order to reduce the harshness of the laundry (US 4,435,307).
  • the enzyme in the rinsing step instead of the washing step improves the enzymatic effect.
  • the enzyme is applied in the last rinsing step together with a fabric softening and/or antistatic agent (e.g. a cationic surfactant) (WO 91/13136).
  • a fabric softening and/or antistatic agent e.g. a cationic surfactant
  • the addition of an enzyme during the last rinsing step improves the removal of fatty matters both with and without a cationic surfactant.
  • WO 95/11292 discloses a solid fabric softening composition for use in the rinsing step of a fabric washing process comprising a fabric softening conditioning compound, a lipase and a dispersing agent.
  • a fabric softening conditioning compound for use in the rinsing step of a fabric washing process
  • a lipase for use in the rinsing step of a fabric washing process
  • a dispersing agent comprising a fabric softening conditioning compound, a lipase and a dispersing agent.
  • a principal strategy currently employed in imparting odors to consumer products is the admixing of the fragrance directly into the product. There are, however, several drawbacks to this strategy.
  • the fragrance material can be too volatile, resulting in fragrance loss during manufacturing, storage, and use. Many fragrance materials are also unstable over time. This again results in loss during storage.
  • Fragrance precursors for scenting fabrics being washed in the presence of a lipase-containing detergent are described in WO 95/04809.
  • the fragrance precursors are cleaved by the lipase and a single odoriferous compound, either an odoriferous alcohol, aldehyde or ketone is yielded. Thereby a prolonged scenting effect on the fabric is obtained. Despite this advantage problems remain with the stability of different types of fragrance precursors.
  • lipases e.g. Lipolase®, remove fatty stains mainly during the last stages of rinsing and drying steps.
  • esters of short chain acids are cleaved leaving an unpleasant smell on the fabric.
  • the latter may be overcome by introduction of enzymes e.g. lipases that are especially active during the washing step.
  • lipases e.g. Lipoprime®
  • these types of new lipases e.g. Lipoprime®, designed for good stain removal during the washing cycle, decrease in cleavage of fragrance precursors is observed during the drying cycle compared to Lipolase®.
  • One object of the present invention is to provide a fragrance delivery system which yields a long lasting pleasant odor especially fresh odor or clean scent on the fabric.
  • a further object of the present invention is to provide a stable fragrance delivery system.
  • a further object of the present invention is to provide a fragrance delivery system which works without special measures to be taken by the user.
  • a further object of the present invention is to avoid the problems of the old delivery systems.
  • a fabric softening composition comprising a surfactant as fabric softener, a fragrance precursor and an enzyme suitable for cleaving the fragrance precursor, upon application to the rinsing step of a fabric cleaning process imparts a fresh, clean and long lasting scent to the fabric and solves the above mentioned problems.
  • the odor obtained after using the softening composition of the invention in the rinsing step is long lasting (up to 2-3 weeks) and is determined by the choice of the fragrance precursor(s).
  • the fabric softener composition of the invention is stable during storage.
  • the odor develops generally during and/or after rinsing and during the drying cycle and continues for a longer period.
  • the fabric softening composition of the invention comprises generally at least 0.01% preferably from about 0.01 to about 15 %, more preferably from about 0.1 to about 10 %, most preferably from about 0.2 to about 2 % per weight of one or more fragrance precursors.
  • An enzyme preferably selected from the group of lipase, cellulase, protease and amylase is present in the range of 0.001 to 5 mg, preferably 0.01 to 2 mg pure enzyme per liter of the fabric softening composition.
  • surfactants from about 1 to about 80 % per weight of the ingredients are surfactants and other substances useful in fabric softening compositions and known to the skilled person. Such substances are e.g. preservatives, fragrances and the like.
  • the fabric softener and/or antistatic agents are cationic surfactants.
  • the fabric softening composition may contain a non-ionic surfactant assisting the dispersion of the cationic fabric softener in the water and improving the rewetability of the fabric.
  • the compositions of the present invention preferably comprise from about 1 % to about 80%, preferably from about 3 to about 50 %, of a cationic surfactant.
  • Dilute liquid compositions preferably contain from about 3 % to about 15 % of a cationic surfactant, whereas concentrated liquid compositions preferably contain from about 12 % to about 50 %, more preferably from about 12 % to about 35 % of a cationic surfactant.
  • the rinse added fabric softening composition of the present invention is preferably a liquid however, granular, gelatinous or viscous, clear or translucent liquid embodiments are also envisaged.
  • the pH value of the fabric softening compositions of the present invention is an important parameter influencing the stability of the fabric softener and preventing microbial infection of the composition.
  • the pH as defined in the present context is measured in the neat fabric softening composition at 20° C.
  • the pH of the neat composition is in the range from about 2.0 to about 5.0, preferably from about 2.0 to 3.5.
  • the pH value of the composition can be adjusted to the desired range by addition of a Bronsted acid such as inorganic mineral acids, carboxylic acids and alkylsulfonic acids.
  • the fragrance precursors, being preferably of the ester and carbonate type, and the fabric softeners of the ester type are stable under these acidic conditions in the composition.
  • the acidic pH value also ensures a satisfactory enzyme stability, especially of lipase, cellulase, amylase and protease. Under said conditions good stability of fragrance precursors as well as of fabric softener and antistatic agents was observed over a prolonged period of time.
  • the fabric softening composition of the invention is dissolved or diluted in the rinsing step of the washing cycle and is deposited onto the fabric surface due to the high substantivity of the individual compounds to the fabric.
  • the enzyme is activated and the fragrance precursor is cleaved to release the fragrance.
  • the release of the fragrance may start either in the rinsing step or during the drying step where the water content of the fabric is reduced. After drying the release of the fragrance continues.
  • the fabric has during weeks a desired odor, e.g. fresh and clean.
  • the fabric softening composition of the present invention may also comprise different fragrance precursors which are cleaved at different conditions and enzymes each being suitable to cleave at least one fragrance precursor.
  • the fabric softening compositions of the present invention may be prepared by mixing of the ingredients according to the art. Usually such a composition is prepared by first admixing the surfactants with water at an elevated temperature. After cooling further ingredients e.g. preservatives, fragrances etc. are added.
  • the fragrance precursors and the enzymes can be added at any stage of the formulation. Preferably they are added at the last step of the mixing process.
  • the fragrance precursor(s) can be added in neat form to the composition or preferably dissolved in a suitable solvent.
  • the fragrance precursors can be added in encapsulated, spray-dried or any other "protected form" known to those skilled in the art.
  • the enzyme(s) can be added as a liquid or in any other form e.g. dried, encapsulated, extruded or spray-dried.
  • a fragrance precursor in the softening composition of the present invention may be a compound of formula YL m R n wherein
  • Fragrance precursors that meet this general formula are e.g. described in WO 95/04809, in WO 96/02625, in WO 97/16523 or in WO 98/07683.
  • Preferred fragrance precursors are compounds of the formula I in which n is 1, 2 or 3 and R 1 to R 6 represent, independently, substituted or unsubstituted alkyl-, alkenyl-, alkinyl-, cycloalkyl-, cycloalkenyl- or aromatic-residues or hydrogen wherein these residues may in addition contain one or more -O- and /or -C(O)- groups, R 7 represents a residue of a fragrant alcohol R 7 OH, whereby one or two rings can be built by the combination of the respective R 1 to R 6 and this/these ring(s) can be further substituted by alkyl-groups; or of formula II wherein
  • the alcohol R 23 OH is preferably an organoleptic one.
  • the fabric softening composition further comprises a fabric surfactant as softener and/or antistatic agents.
  • the fabric softening and/or antistatic agents are cationic surfactants.
  • Suitable fabric softening compounds are well known to those skilled in the art and are e.g. described by R. Puchta, J. American Oil Chem. Soc. 1984, 61, 367-376 or by G. R. Whalley, happi 1995, February, 55-58.
  • Preferred fabric softening agents which are constituents of the rinse added fabric softening compositions of the present invention are exemplified in the following without limiting the invention thereto.
  • Preferred surfactants are cationic quaternary ammonium salts having two long hydrocarbyl chains, for instance two C 8-28 , preferably C 12-24 , hydrocarbyl chains.
  • the hydrocarbyl groups are alkyl or alkenyl groups, which are optionally substituted or interrupted by other groups.
  • R 31 and R 32 are independently selected from hydrocarbyl groups of from about 8 to about 28, preferably about 12 to about 24 carbon atoms; R 33 and R 34 represent hydrocarbyl groups containing from 1 to about 4 carbon atoms; and X is an anion, preferably selected from halide, methosulphate and ethylsulphate radicals.
  • quaternary softeners include ditallow dimethyl ammonium chloride; ditallow dimethyl ammonium methyl sulphate; dihexadecyl dimethyl ammonium chloride; di(hydrogenated tallow) dimethyl ammonium methyl sulphate; dihexadecyl diethyl ammonium chloride; di(coconut) dimethyl ammonium chloride.
  • Ditallow dimethyl ammonium chloride, di(hydrogenated tallow) dimethyl ammonium chloride, di (coconut) dimethyl ammonium chloride and di(coconut) dimethyl ammonium methosulphate are preferred.
  • Suitable materials also include dialkyl ethoxyl methyl ammonium methosulphate based on soft fatty acid, dialkyl ethoxyl methyl ammonium methosulphate based on hard fatty acid, and a material in which R 33 and R 34 represent methyl, R 31 is C 13-15 , R 32 is CH 2 CH 2 OCOR 35 where R 35 is stearyl, and X is methosulphate.
  • the quaternary ammonium compound may be an ester-linked quaternary ammonium compound represented by the formula: wherein each R 36 group is independently selected from C 1-6 hydrocarbyl, such as alkyl, alkenyl or hydroxyalkyl groups; and wherein each R 37 group is independently selected from C 8-28 linear or branched hydrocarbyl, such as alkyl or alkenyl groups; T is n is an integer from 0-5 and m is an integer from 1-4; X - is an anion which is compatible with fabric softening ingredients, preferably selected from halide, methosulphate and ethylsulphate residues.
  • a preferred material of this type is that of formula: wherein each R 39 is a linear or branched alkyl or alkenyl chain comprising at least 11 atoms such as tallow and X - is as defined above and, in particular, is methosulphate.
  • a material having R 39 of tallow and X - of methosulphate is available from Witco under the trade name Rewoquat WE 18.
  • Another example of this type of suitable material has R 39 of partially hardened tallow and X - of methosulphate.
  • R 40 is a linear or branched alkyl or alkenyl residue such as tallow, or partially hardened tallow.
  • Preferred choices of X - are chloride or methosulphate.
  • ester-linked quaternary ammonium compounds which may be used in the compositions of the present invention, are those of formula: wherein each R 41 is independently selected from C 1-4 hydrocarbyl, such as alkyl, alkenyl or hydroxyalkyl groups; and each R 42 is independently selected from C 8-28 linear or branched hydrocarbyl, such as alkyl and alkenyl groups; T has the meaning as described above; n is an integer of from 0-5 and m is an integer from 1-4; X - is an anion preferably selected from halide, methosulphate and ethylsulphate residues.
  • R 43 is a hydrocarbyl group containing from 1 to 4, preferably 1 or 2 carbon atoms
  • R 46 is a hydrocarbyl group containing from 8 to 25 carbon atoms
  • R 44 is a linear or branched hydrocarbyl group containing from 8 to 25 carbon atoms
  • R 45 is hydrogen or a hydrocarbyl containing from 1 to 4 carbon atoms
  • X - is an anion, preferably a halide, methosulphate or ethylsulphate.
  • Preferred imidazolinium salts include 1-methyl-1-(tallowylamido-) ethyl-2-tallowyl-4,5-dihydroimidazolinium methosulphate and 1-methyl-1-(palmitoylamido) ethyl-2-octadecyl-4,5-dihydroimidazolinium chloride.
  • Other useful imidazolinium materials are 2-heptadecyl-1-methyl-1-(2-stearylamido)-ethyl-imidazolinium chloride and 2-lauryl-1-hydroxyethyl-1-oleyl-imidazolinium chloride.
  • Another preferred class of fabric softener is a biodegradable fatty ester quaternary ammonium compound of formula: wherein each R 50 independently represents an aliphatic hydrocarbon residue having from 8 to 22 carbon atoms; R 51 represents (CH 2 ) s R 53 where R 53 represents an alkoxy carbonyl residue containing from 8 to 22 carbon atoms, benzyl, phenyl, C 1 -C 4 -alkyl substituted phenyl, OH or H; R 52 represents (CH 2 ) t R 54 where R 54 represents benzyl, phenyl, C 1 -C 4 -alkyl substituted phenyl, OH or H; q,r,s and t each independently, represent a number from 1 to 3; and X - is an anion of valence a.
  • the fabric softening composition further comprises an enzyme, preferably a lipase and/or a cellulase and/or a protease and/or an amylase.
  • an enzyme preferably a lipase and/or a cellulase and/or a protease and/or an amylase.
  • any other type of enzyme suitable to cleave fragrance precursors used in the present invention is possible. Such other enzymes are not to be regarded as a departure from the spirit and scope of the invention and all are intended to be included within the scope of the following claims.
  • Lipases of plant or animal origin can be used in the invention, but microbial lipases are preferred for reasons of ecomomy. Some are known to be active in detergents. Since the conditions in the rinsing step are favourable for most lipases, many other lipases can be used. Examples are lipases derived from the following microorganisms, indicated with reference:
  • Proteases of plant or animal origin can be used in the invention, but microbial proteases are preferred for reasons of ecomomy.
  • Proteases useful in the present invention may be e.g. derived from Bacillus licheniformis.
  • Preferred proteases are commercially available enzymes, e.g. Alcalase®, Savinase®, Everlase® and Esperase® from Novo Nordisk; Purafect®, Purafect® OX and Properase® from Genencor.
  • Amylases of plant or animal origin can be used in the invention, but microbial amylases are preferred for reasons of ecomomy.
  • Amylases useful in the present invention may be e.g. derived from Bacillus subtilis.
  • Preferred amylases are commercially available enzymes, e.g. Teramyl®, BAN, and Duramyl® from Novo Nordisk, and PurastarTM ST and PurastarTM OxAm from Genencor.
  • Cellulases of plant or animal origin can be used in the invention, but microbial cellullases are preferred for reasons of ecomomy.
  • Cellulases useful in the present invention may be e.g. derived from Humicola insolens.
  • Preferred cellulases are commercially available enzymes, e.g. Celluzyme®, and Carezyme® from Novo Nordisk, and PuradexTM HA and Detergent Cellulase L from Genencor.
  • compositions of the present invention may also comprise dispersing agents for assisting the dispersion of the fabric softeners in water.
  • Suitable dispersing agents are known to those skilled in the art and include nonionic surfactants such as alkoxylated fatty alcohols and fatty acid partial esters of polyhydric alcohols, e.g. glycerol, erythrol, sorbitol and the like.
  • compositions of the present invention may be stabilized against microbial infection, preferably by incorporation of a stabilizing agent such as inorganic salts, e.g. NaCl, sugars, e.g. sucrose and glucose, polyols, e.g. glycerol and propylene glycol, and alcohols, e.g. ethanol and isopropanol.
  • a stabilizing agent such as inorganic salts, e.g. NaCl, sugars, e.g. sucrose and glucose, polyols, e.g. glycerol and propylene glycol, and alcohols, e.g. ethanol and isopropanol.
  • stabilizing agents are usually effective in amounts above 10%, especially above 20%.
  • Other examples include organic acids such as benzoic acid, sorbic acid and the like that are generally effective in amounts of 0.01-2% at low pH (below 5).
  • antioxidants e.g, sulphur dioxide, 1,2-benz-iso-thiazolin-3-one (BIT) and parabens.
  • Further additives may be added to improve enzyme stability in the fabric softening composition. These additives are selected depending on the nature of the enzyme(s) used in the fabric softening composition and are known by those skilled in the art.
  • compositions of the invention may further comprise other optional ingredients such as perfume, perfume carriers, fluorescers, colorants, hydrotropes, antifoaming agents, antiredeposition agents, optical brightening agents, anti-shrinking agents, anti-wrinkle agents, fabric crisping agents, anti-spotting agents, soil release agents, germicides, linear or branched silicones, fungicides, antimicrobial agents, antioxidants, preservatives, dyes, bleaches and bleach precursors, ironing aids.
  • optional ingredients if added, are preferably present at levels up to 5% by weight of the composition.
  • a fabric softening composition of the present invention of the ester quat type, 4 x concentrate was formulated as follows: INGREDIENTS CHEMICAL NAME % Part A DEIONIZED WATER to 100.0 MgCl 2 (saturated sol.) magnesium chloride 1.0 Part B REWOQUAT WE 18 di-(tallow carboxyethyl) hydroxy-ethyl methylammonium methosulfate 15.0 GENAPOL O 100 ethoxylated fatty alcohol C16-C18 10EO 2.0 ANTIFOAM DB 31 0.5 Part C ISOPROPYL ALCOHOL 3.0 PRESERVATIVE QS FRAGRANCE PRECURSOR 1) 0.5 LIPOLASE® 100L 0.05
  • part A was mixed with part B (preheated to 65° C). After cooling to room temperature, part C was added to the mixture of A and B.
  • the pH value of the finished product is 2.60.
  • a fabric softening composition of the present invention of the ester quat type, 1 x concentrate was formulated as follows: INGREDIENTS CHEMICAL NAME % Part A DEIONIZED WATER to 100.0 Part B REWOQUAT WE 18 di-(tallow carboxyethyl) hydroxy-ethyl methylammonium methosulfate 6.0 DOBANOL 25-9 ethoxylated fatty alcohol C12-C15 9EO 0.5 ANTIFOAM DB 31 0.1 Part C MYACIDE BT 30 2-bromo-2-nitropropane 1,3 diol 0.03 PROXEL GXL benzisothiazolinone sodium salt 0.02 FRAGRANCE PRECURSOR 2) 0.5 LIPOLASE® 100L 0.05
  • part A was mixed with part B (preheated to 65° C). After cooling to room temperature, part C was added to the mixture of A and B.
  • the pH value of the finished product is 3.50.
  • a fabric softener composition of the present invention of the quat conc. type was formulated as follows: INGREDIENTS CHEMICAL NAME % Part A DEIONIZED WATER to 100.0 CaCl 2 calcium chloride 0.6 Part B ARQUAD 2 HT 75 13.0 Part C DOW CORNING DB100 silicone 0.2 FORMALDEHYDE (10%) 0.15 FRAGRANCE PRECURSOR 3) 0.5 LIPOLASE® 100L 0.05
  • part A was mixed with part B (preheated to 65° C). After cooling to room temperature, part C was added to the mixture of A and B.
  • the pH value of the finished product is 3.20.
  • succinic acid 3,7-dimethyl-octa-2,6-dienyl ester 3-methoxycarbonylmethyl-2-pentyl-cyclopent-1-enyl ester
  • a fabric softener composition of the present invention of the quat 1x conc. type was formulated as follows: INGREDIENTS CHEMICAL NAME % Part A DEIONIZED WATER to 100.0 Part B ARQUAD 2 HT 75 4.5 Part C ISOPROPYL ALCOHOL 0.85 MYACIDE 2-bromo-2-nitropropane 1,3-diol 0.03 PROXEL GXL benziosthiazoline sodium salt 0.02 FRAGRANCE PRECURSOR 4) 0.5 LIPOLASE® 100L 0.05
  • part A was mixed with part B (preheated to 65° C). After cooling to room temperature, part C was added to the mixture of A and B.
  • the pH value of the finished product is 3.20.
  • a fabric softener composition of the present invention of the ester quat type, 4 x concentrate was formulated as follows: INGREDIENTS CHEMICAL NAME % Part A DEIONIZED WATER to 100.0 MgCl 2 (saturated sol.) magnesium chloride 1.0 Part B REWOQUAT WE 18 di-(tallow carboxyethyl) hydroxy-ethyl methylammonium methosulfate 15.0 GENAPOL O 100 ethoxylated fatty alcohol C16-C18 10EO 2.0 ANTIFOAM DB 31 0.5 Part C ISOPROPYL ALCOHOL 3.0 PRESERVATIVE QS FRAGRANCE PRECURSOR 5) 0.5 SAVINASE® (16.0 L EX) 0.05
  • part A was mixed with part B (preheated to 65° C). After cooling to room temperature, part C was added to the mixture of A and B.
  • the pH value of the finished product is 2.60.
  • the fabric softening composition of the present invention comprising a fragrance precursor for cis-3-hexenol
  • a fresh and clean green fragrance can be perceived up to three weeks.
  • the towels treated with the fabric softening composition of the present invention were preferred by all 10 perfumers participating in the evaluation.
  • the fabric softening composition of the present invention comprising a fragrance precursor for Hedione® and geraniol
  • a fresh and clean floral fragrance can be perceived up to three weeks.
  • the towels treated with the fabric softening composition of the present invention were preferred by all 10 perfumers participating in the evaluation.

Claims (13)

  1. Composition adoucissante pour tissus ayant une valeur de pH ≤ à 5, comprenant un tensioactif en tant qu'adoucissant pour tissus ct un précurseur de parfum, caractérisée en ce qu'elle comprend une enzyme appropriée pour cliver le précurseur de parfum et conférer une odeur à un tissu lorsqu'on applique sur celui-ci une solution de la composition adoucissante.
  2. Composition selon la revendication 1, comprenant de 1 à 80 % en poids d'un tensioactif cationique.
  3. Composition selon la revendication 2, comprenant un tensioactif non ionique.
  4. Composition selon l'une quelconque des revendications précédentes, comprenant une ou plusieurs enzymes sélectionnées à partir du groupe constitué de la protéase, de l'amylase, de la lipase et de la cellulase.
  5. Composition selon l'une quelconque des revendications précédentes, comprenant un précurseur de parfum de formule : YLm Rn dans laquelle Y est un résidu de matériau formant support, L est un résidu de liant bivalent, m est 0 ou un nombre entier allant de 1 à n, R est le résidu d'une molécule de parfum, fournissant au moment du clivage un parfum RH, et n est un nombre entier ≥ 1.
  6. Composition selon la revendication 5, comprenant un précurseur de parfum de formule YLm Rn dans laquelle R est le résidu d'un alcool parfumé, oxime, ou de la forme énole d'un aldéhyde ou d'une cétone.
  7. Composition selon l'une quelconque des revendications précédentes, comprenant des précurseurs de parfum clivés dans différentes conditions, et des enzymes qui sont chacune capables de cliver au moins un précurseurs de blanchiment.
  8. Composition selon l'une quelconque des revendications précédentes, comprenant une enzyme qui est active à une concentration d'eau intérieure à 100 % sur la base du poids du tissu sec.
  9. Composition selon l'une quelconque des revendications précédentes comprenant de 0,01 à 15 % en poids d'un précurseur de parfum.
  10. Composition selon l'une quelconque des revendications précédentes, comprenant un acide Broensted.
  11. Composition selon l'une quelconque des revendications précédentes, sous une forme liquide.
  12. Procédé de préparation d'une composition adoucissante pour tissus selon l'une quelconque des revendications précédentes, consistant en un mélange des ingrédients dans lequel l'enzyme et le précurseur d'enzyme sont ajoutés en derniers.
  13. Procédé pour conférer une odeur à un tissu en le rinçant avec une composition comprenant un tensioactif en tant qu'adoucissant, un précurseur de parfum et une enzyme appropriée pour cliver le précurseur de parfum.
EP20000110814 1999-08-18 2000-05-22 Composition adoucissante Expired - Lifetime EP1077251B1 (fr)

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EP99810739 1999-08-18
EP99810739 1999-08-18
EP20000110814 EP1077251B1 (fr) 1999-08-18 2000-05-22 Composition adoucissante

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JP5603021B2 (ja) 2008-04-01 2014-10-08 高砂香料工業株式会社 冷感剤組成物および感覚刺激剤組成物
JP5680291B2 (ja) 2009-10-07 2015-03-04 高砂香料工業株式会社 冷感剤組成物、感覚刺激剤組成物およびその使用
EP4123006A1 (fr) 2021-07-19 2023-01-25 The Procter & Gamble Company Composition comprenant des spores et des matériaux de pro-parfum

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EP0668904B1 (fr) * 1993-08-09 2001-11-07 Firmenich Sa Procede de parfumage de textiles
EP0887335A1 (fr) * 1997-06-23 1998-12-30 Givaudan-Roure (International) S.A. Composés précurseurs

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