WO2023031007A1 - Composition d'hygiène pour réduire les mauvaises odeurs - Google Patents

Composition d'hygiène pour réduire les mauvaises odeurs Download PDF

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Publication number
WO2023031007A1
WO2023031007A1 PCT/EP2022/073662 EP2022073662W WO2023031007A1 WO 2023031007 A1 WO2023031007 A1 WO 2023031007A1 EP 2022073662 W EP2022073662 W EP 2022073662W WO 2023031007 A1 WO2023031007 A1 WO 2023031007A1
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Prior art keywords
composition
zinc
rha
rhamnolipid
rhamnolipids
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PCT/EP2022/073662
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English (en)
Inventor
Samiran Mahapatra
Srilaxmi Venkata Medepalli
Namisha MOHAPATRA
Ramya SAMPATH KUMAR
Sandeep Varma
Original Assignee
Unilever Ip Holdings B.V.
Unilever Global Ip Limited
Conopco, Inc., D/B/A Unilever
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Application filed by Unilever Ip Holdings B.V., Unilever Global Ip Limited, Conopco, Inc., D/B/A Unilever filed Critical Unilever Ip Holdings B.V.
Priority to CN202280055117.2A priority Critical patent/CN117795047A/zh
Publication of WO2023031007A1 publication Critical patent/WO2023031007A1/fr

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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
    • C11D3/16—Organic compounds
    • C11D3/20—Organic compounds containing oxygen
    • C11D3/22—Carbohydrates or derivatives thereof
    • C11D3/222—Natural or synthetic polysaccharides, e.g. cellulose, starch, gum, alginic acid or cyclodextrin
    • 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
    • C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
    • C11D1/02—Anionic compounds
    • C11D1/36—Anionic compounds of unknown constitution, e.g. natural products
    • 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
    • C11D17/0047—Detergents in the form of bars or tablets
    • C11D17/0056—Lavatory cleansing blocks
    • 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
    • C11D3/0068—Deodorant 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
    • C11D3/382—Vegetable products, e.g. soya meal, wood flour, sawdust
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
    • D06M11/07—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with halogens; with halogen acids or salts thereof; with oxides or oxyacids of halogens or salts thereof
    • D06M11/11—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with halogens; with halogen acids or salts thereof; with oxides or oxyacids of halogens or salts thereof with halogen acids or salts thereof
    • D06M11/155—Halides of elements of Groups 2 or 12 of the Periodic Table
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
    • D06M11/51—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with sulfur, selenium, tellurium, polonium or compounds thereof
    • D06M11/55—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with sulfur, selenium, tellurium, polonium or compounds thereof with sulfur trioxide; with sulfuric acid or thiosulfuric acid or their salts
    • D06M11/56—Sulfates or thiosulfates other than of elements of Groups 3 or 13 of the Periodic Table
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
    • D06M11/58—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with nitrogen or compounds thereof, e.g. with nitrides
    • D06M11/64—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with nitrogen or compounds thereof, e.g. with nitrides with nitrogen oxides; with oxyacids of nitrogen or their salts
    • D06M11/65—Salts of oxyacids of nitrogen
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
    • D06M11/73—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with carbon or compounds thereof
    • D06M11/76—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with carbon or compounds thereof with carbon oxides or carbonates
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
    • D06M11/83—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with metals; with metal-generating compounds, e.g. metal carbonyls; Reduction of metal compounds on textiles
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
    • D06M13/10—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing oxygen
    • D06M13/184—Carboxylic acids; Anhydrides, halides or salts thereof
    • D06M13/188—Monocarboxylic acids; Anhydrides, halides or salts thereof
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
    • D06M13/10—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing oxygen
    • D06M13/184—Carboxylic acids; Anhydrides, halides or salts thereof
    • D06M13/192—Polycarboxylic acids; Anhydrides, halides or salts thereof
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
    • D06M13/10—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing oxygen
    • D06M13/184—Carboxylic acids; Anhydrides, halides or salts thereof
    • D06M13/207—Substituted carboxylic acids, e.g. by hydroxy or keto groups; Anhydrides, halides or salts thereof
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
    • D06M15/01—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with natural macromolecular compounds or derivatives thereof
    • D06M15/03—Polysaccharides or derivatives thereof
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M16/00—Biochemical treatment of fibres, threads, yarns, fabrics, or fibrous goods made from such materials, e.g. enzymatic
    • 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
    • C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
    • C11D1/38—Cationic compounds
    • C11D1/62—Quaternary ammonium compounds
    • 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
    • C11D2111/00—Cleaning compositions characterised by the objects to be cleaned; Cleaning compositions characterised by non-standard cleaning or washing processes
    • C11D2111/10—Objects to be cleaned
    • C11D2111/12—Soft surfaces, e.g. textile
    • 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
    • C11D2111/00—Cleaning compositions characterised by the objects to be cleaned; Cleaning compositions characterised by non-standard cleaning or washing processes
    • C11D2111/10—Objects to be cleaned
    • C11D2111/14—Hard surfaces

Definitions

  • the present invention relates to a composition that is used to reduce malodour on surfaces.
  • the present invention relates to a hygiene composition that ensures that hard surfaces like those on utensils, furniture, floors, walls, and on toilets and soft surfaces like those of fabric remain fresh and free of malodours for long time after the surface is cleaned with the composition.
  • Hard surface cleaning is important for people inhabiting homes and using other common spaces like offices, restaurants, hotels and public places like bus and train stations and airports. Such cleaning generally involves using a cleaning composition that is diluted with water before use. Horizontal surfaces are cleaned by applying the diluted composition. They may then be left to air dry or are wiped dry with a clean cloth or mop. Vertical surfaces may be similarly cleaned by spraying the composition on to the surface followed optionally by wiping. Hard surfaces in such places include utensils which may be made of steel, ceramic, glass etc. Other important hard surfaces in such places include floors, walls, windows, kitchen platforms, and furniture among others. Such places also, many a time, leave an unpleasant odour after the step of cleaning, in spite of them having very good perfumes included therein.
  • Toilets and bathrooms are places which especially require very frequent cleaning and disinfection as they are places for excrement and personal cleansing.
  • Toilet cleaners include harsher chemicals like bleaches and strong antimicrobial actives which are not often liked by many consumers.
  • Washing fabrics which have soft surfaces, also known as laundering or simply as laundry is a daily chore for most people.
  • a fabric is washed by contacting it with a detergent composition either in neat or diluted form, rinsing the fabric one or more times with water; and finally, drying it.
  • the fabric is rinsed free of the composition using copious amounts of water, two or three time.
  • fabric conditioning compositions may be added in the rinse stage, usually during the last rinse stage.
  • the first aspect of the present invention relates to a hygiene composition for reduction of malodour comprising
  • a rhamnolipid (ii) a rhamnolipid.
  • a method of reducing odour on a surface for up to 48 hours comprising the step of contacting the surface with a composition of the first aspect, preferably diluted with water.
  • any feature of one aspect of the present invention may be utilised in any other aspect of the invention.
  • the word “comprising” is intended to mean “including” but not necessarily “consisting of” or “composed of”.
  • the term “comprising” is meant not to be limiting to any subsequently stated elements, but rather to optionally also encompass non-specified elements of major or minor functional importance.
  • the listed steps or options need not be exhaustive. Whenever the words “including” or “having” are used, these terms are meant to be equivalent to “comprising” as defined above. It is noted that the examples given in the description below are intended to clarify the invention and are not intended to limit the invention to those examples per se.
  • the composition of the invention comprises a rhamnolipid.
  • Rhamnolipids are a class of glycolipid. They are constructed of rhamnose combined with beta-hydroxy fatty acids. Rhamnose is a sugar. Fatty acids are ubiquitous in animals and plants.
  • Rhamnolipids are discussed in Applied Microbiology and Biotechnology (2010) 86:1323- 1336 by E. Deziel et al. Rhamnolipids are produced by Glycosurf, AGAE Technologies and Urumqi Unite Bio-Technology Co., Ltd. Rhamnolipids may be produced by strains of the bacteria Pseudomonas Aeruginosa.
  • Rhamnolipids may also be produced by a recombinant cell of Pseudomonas Putida where the recombinant cell comprises increased activity of at least one of the enzymes a/P hydrolase, rhamnosyltransferase I or rhamnosyl-transferase II compared to the wild-type of the cell.
  • rhamnolipids There are two major groups of rhamnolipids; mono-rhamnolipids and di-rhamnolipids.
  • Mono-rhamnolipids have a single rhamnose sugar ring.
  • a typical mono-rhamnolipid produced by P. aeruginosa is L-rhamnosyl-p-hydroxydecanoyl-p-hydroxydecanoate (RhaCwCw). It may be referred to as Rha-Cw-Cw, with a formula of C26H48O9.
  • Monorhamnolipids have a single rhamnose sugar ring.
  • IIIPAC Name is 3-[3-[(2R,3R,4R,5R,6S)-3,4,5-trihydroxy-6-methyloxan-2- yl]oxydecanoyloxy]decanoic acid.
  • Di-rhamnolipids have two rhamnose sugar rings.
  • a typical di-rhamnolipid is L-rhamnosyl- L-rhamnosyl-p-hydroxydecanoyl-p-hydroxydecanoate (Rha2CioC ). It may be referred to as Rha-Rha-C-w-C-10, with a formula of C32H58O13.
  • IIIPAC name is 3-[3-[4,5-dihydroxy-6-methyl-3-(3,4, 5-tri hydroxy-6-methyloxan-2- yl)oxyoxan-2-yl]oxydecanoyloxy]decanoic acid.
  • Rhamnolipids produced by P. aeruginosa (unidentified as either mono- or di- rhamnolipids): C8-C8, C8-C10, C10-C8, C8-C12:1 , C12:1-C8, C10-C10, C12-C10, C12:1-C10 C12-C12, C12:1-C12, C14-C10, C14:1-C10, C14-C14.
  • Rha-C10-C8 Rha-C10-C10, Rha-C12-C10, Rha-C12:1-C10, Rha-C12-C12, Rha- C12:1- C12, Rha-C14-C10. Rha-C-14:1-C-10.
  • Rhamnolipids produced by Burkholdera pseudomallei (di-rhamnolipids only): Rha-Rha-C14-C14.
  • Rhamnolipids produced by Burkholdera Pseudomonas
  • plantarii di-rhamnolipids only
  • strains of P. aeruginosa can be isolated to produce rhamnolipids at higher concentrations and more efficiently. Strains can also be selected to produce less byproduct and to metabolize different feedstock or pollutants. This production is greatly affected by the environment in which the bacterium is grown.
  • a typical di-rhamnolipid is L-rhamnosyl-L-rhamnosyl-p-hydroxydecanoyl-p- hydroxydecanoate (Rha2CioC with a formula of C32H58O13).
  • the rhamnolipid is selected from:
  • Rha-C10-C8 Rha-C10-C10, Rha-C12-C10, Rha-C12:1-C10, Rha-C12-C12, Rha- C12:1- C12, Rha-C14-C10, Rha-C14:1-C10.
  • Mono-rhamnolipids may also be produced from P.putida by introduction of genes rhIA and rhIB from Psuedomonas aeruginosa [Cha et al. in Bioresour Technol. 2008. 99(7):2192-9] Rhamnolipids produced by P. aeruginosa (di-rhamnolipids):
  • the Rhamnolipid is L-rhamnosyl-(3-hydroxydecanoyl-p-hydroxydecanoate (RhaCwCw with a formula of C26H48O9).
  • the rhamnolipid comprises at least 50 wt.% di-rhamnolipid, more preferably at least 60 wt.% di-rhamnolipid, even more preferably 70 wt.% di-rhamnolipid, most preferably at least 80 wt.% di-rhamnolipid.
  • the rhamnolipid is a di-rhamnolipid of formula: Rha2C8-i2Cs-i2.
  • the preferred alkyl chain length is from Cs to C12.
  • the alkyl chain may be saturated or unsaturated.
  • the most preferred di-rhamnolipid is an example of a di-rhamnolipid of formula: Rha2Cs- 12C8-12, known as Rhamnolipid R2 herein, and can be supplied from Evonik.
  • the composition preferably comprises rhamnolipid in 0.01 to 15%, more preferably 0.01 % to 10% by weight of the composition.
  • composition comprises one or more polysaccharide selected from algin or pectin preferably pectin.
  • Alginic acid also called algin, is a polysaccharide distributed widely in the cell walls of brown algae that is hydrophilic and forms a viscous gum when hydrated.
  • Alginic acid is a linear copolymer with homopolymeric blocks of (1— >4)-linked p-D- mannuronate (M) and a-L-guluronate (G) residues, respectively, covalently linked together in different sequences or blocks.
  • the monomers may appear in homopolymeric blocks of consecutive G-residues (G-blocks), consecutive M-residues (M-blocks) or alternating M and G-residues (MG-blocks).
  • a-L-guluronate is the C-5 epimer of p-D- mannuronate.
  • Alginates are refined from brown seaweeds. Throughout the world, many of the Phaeophyceae class brown seaweeds are harvested to be processed and converted into sodium alginate and alginic acid.
  • Pectin is a structural acidic heteropolysaccharide contained in the primary and middle lamella and cell walls of terrestrial plants. Its main component is galacturonic acid, a sugar acid derived from galactose. It is produced commercially as a white to light brown powder, mainly extracted from citrus fruits, and is used in food as a gelling agent, particularly in jams and jellies. It is also used in dessert fillings, medicines, sweets, as a stabiliser in fruit juices and milk drinks, and as a source of dietary fibre. Pectin also known as pectic polysaccharides, are rich in galacturonic acid. Several distinct polysaccharides have been identified and characterised within the pectic group.
  • Homogalacturonans are linear chains of a-(1-4)-linked D-galacturonic acid. Substituted galacturonans are characterised by the presence of saccharide appendant residues (such as D-xylose or D-apiose in the respective cases of xylogalacturonan and apiogalacturonan) branching from a backbone of D-galacturonic acid residues.
  • saccharide appendant residues such as D-xylose or D-apiose in the respective cases of xylogalacturonan and apiogalacturonan
  • Rhamnogalacturonan pectins (RG-I) contain a backbone of the repeating disaccharide: 4)-a-D-galacturonic acid-(1 ,2)-a-L-rhamnose-(1. From many of the rhamnose residues, sidechains of various neutral sugars branch off.
  • the neutral sugars are mainly D-galactose, L-arabinose and D-xylose, with the types and proportions of neutral sugars varying with the origin of pectin.
  • Another structural type of pectin is rhamnogalacturonan II (RG-II), which is a less frequent, complex, highly branched polysaccharide.
  • pectin is preferred for inclusion in the composition of the invention.
  • Pectin when included is preferably derived from one or more of a fruit chosen from pear, apple, guava, plum, gooseberry, orange or any other citrus fruit, preferably citrus. It is preferably from apple or citrus fruit.
  • the composition preferably comprises the polysaccharide at a concentration of 0.001 to 20%, preferably 0.001 % to 10% by weight of the composition.
  • the composition of the invention preferably additionally comprises a zinc salt.
  • the zinc salt is preferably selected from one or more of zinc chloride, zinc sulphate, zinc carbonate, zinc nitrate and zinc salts of organic acids preferably zinc acetate or zinc citrate.
  • the salt is more preferably selected from one or more of zinc acetate, zinc chloride, and zinc sulphate. Of the zinc salts, zinc acetate and zinc chloride are especially preferred.
  • the composition preferably comprises the zinc salt at a concentration of 0.01 to 5%, preferably 0.03 to 2% by weight of the composition.
  • the cationic surfactant is a quaternary ammonium surfactant, preferably the quaternary ammonium surfactant is selected from one or more of alkyl dimethyl benzylammonium chloride (ADBAC) which is also known as benzalkonium chloride (BKC), bis (C8-C18) alkyl di methyl quaternary ammonium chloride preferably didecyl dimethyl ammonium chloride (DDAC), cetyl trimethyl ammonium chloride (CTAC), cetyl pyridinium chloride (CPC), cetrimonium bromide , benzethonium chloride (BZE); and dimethyldioctadecylammonium chloride.
  • ADBAC alkyl dimethyl benzylammonium chloride
  • BKC benzalkonium chloride
  • CTC cetyl trimethyl ammonium chloride
  • CPC cetyl pyridinium chloride
  • BZE dimethyldioctade
  • composition of the invention may optionally include suitable excipients.
  • suitable excipients are included to form the bulk of the composition for effective delivery of the essential features of the present invention.
  • Suitable excipients include one or more of water, additional surfactant (other than the rhamnolipid), bleach, polymeric thickener, hydrotrope and builder.
  • Additional surfactant could be one or more of the anionic, cationic or non-ionic type. Most preferred excipients are one or both of the additional surfactant and water.
  • General purpose or toilet cleaners are one or both of the additional surfactant and water.
  • composition of the invention may be formulated as a general purpose cleaner which is usually used to clean floors (in which case it may be known as a floor cleaner) or used to clean toilets (in which case it may be known as a toilet cleaner). It may also be used to clean other hard surfaces like furniture, table tops, kitchen platforms and other surfaces in homes, offices, restaurants and other public places.
  • Such compositions preferably include a cationic surfactant which in addition to providing cleaning benefit also ensure instant disinfection i.e killing or inactivation of germs.
  • Such general purpose cleaners or toilet cleaners may include quaternary ammonium surfactants mentioned above. They are available as a single quaternary ammonium compound, as well as mixtures of two or more different quaternary ammonium compounds e.g. under trademarks BARDACTM, BARQUAT® and HYAMINE® (all by Lonza); and BTC® (by Stepan).
  • Quaternary ammonium compounds available as a single quaternary ammonium compound include didecyl dimethyl ammonium chloride (available as BARDACTM 2250 R and BTC® 1010, both 50% active; and BARDACTM 2280 R and BTC® 1010-80, both 80% active), alkyl dimethyl benzyl ammonium chloride (available as BARQUAT® MB-50, BARQUAT® MX-50, BARQUAT® QJ-50, HYAMINE® 3500, BTC® 50, BTC® 50E, BTC® 65, BTC® 776, BTC® 824, BTC® 835; each 50% active; and the same is available as BARQUAT® MB-80, BARQUAT® MX-80, HYAMINE® 3500- 80, BTC® 8248, BTC® 8358; each 80% active
  • composition when formulated as a general purpose or toilet cleaner preferably comprises 0.1 to 3 wt%, more preferably 0.3 to 2 wt% cationic surfactant.
  • composition when formulated as a toilet cleaner, it may additionally comprise a bleach.
  • the bleach may be a chlorine containing compound or a peroxide compound.
  • Ingredients like amphoteric surfactant and sequestrant may be included in the floor cleaner and toilet cleaner composition of the present invention.
  • General purpose cleaners and toilet cleaners may be diluted before use. When diluted, they may be diluted with water in a weight ratio in the range of 1 :10 to 1 :1000.
  • Fabric conditioning composition may be included in the floor cleaner and toilet cleaner composition of the present invention.
  • composition of the invention may also be delivered as a fabric conditioning composition which additionally comprises 1 to 50% of a fabric softening active.
  • the fabric conditioner composition is also referred to as a fabric softener.
  • Fabric conditioners comprise active materials which soften or condition fabric.
  • suitable fabric softening actives include: quaternary ammonium compounds, silicone polymers, polysaccharides, clays, amines, fatty esters, dispersible polyolefins, polymer latexes and mixtures thereof.
  • the fabric softening active is preferably selected from a quaternary ammonium compound, or silicone polymer and mixtures thereof, more preferably a quaternary ammonium compound.
  • the fabric softening compounds may preferably be cationic or non-ionic.
  • the fabric softening compounds of the present invention are cationic.
  • Fabric conditioning compositions for use in accordance with the invention may be dilute or concentrated.
  • Dilute products typically contain up to about 6 wt.% of the composition softening compounds, generally about 1 to 5 wt.%
  • concentrated products may contain up to about 50 wt. % of the composition softening compounds, preferably from about 5 to about 50 wt.%, more preferably from 6 to 25 wt.%.
  • the products of the invention may contain from 1 to 50 wt. %, preferably from 2 to 25 wt. % of the composition softening compounds, more preferably 2 to 20 wt. % of softening compounds.
  • the preferred softening compounds for use in fabric conditioner compositions of the invention are quaternary ammonium compounds (QAC).
  • the QAC preferably comprises at least one chain derived from fatty acids, more preferably at least two chains derived from a fatty acids.
  • fatty acids are defined as aliphatic monocarboxylic acids having a chain of 4 to 28 carbons.
  • the fatty acid chains are palm or tallow fatty acids.
  • the fatty acid chains of the QAC comprise from 10 to 50 wt. % of saturated C18 chains and from 5 to 40 wt. % of monounsaturated C18 chains by weight of total fatty acid chains.
  • the fatty acid chains of the QAC comprise from 20 to 40 wt. %, preferably from 25 to 35 wt. % of saturated C18 chains and from 10 to 35 wt. %, preferably from 15 to 30 wt. % of monounsaturated C18 chains, by weight of total fatty acid chains.
  • the preferred quaternary ammonium fabric softening compounds for use in compositions of the present invention are so called "ester quats".
  • Particularly preferred materials are the ester-linked triethanolamine (TEA) quaternary ammonium compounds comprising a mixture of mono-, di- and tri-ester linked components.
  • TAA ester-linked triethanolamine
  • composition of the invention delivered as fabric conditioning compositions may further comprise a nonionic surfactant.
  • a nonionic surfactant typically these can be included for the purpose of stabilising the compositions.
  • Suitable nonionic surfactants include addition products of ethylene oxide and/or propylene oxide with fatty alcohols, fatty acids and fatty amines.
  • the nonionic surfactant has an HLB of from about 7 to about 20, more preferably from 10 to 18, e.g. 12 to 16.
  • GenapolTM C200 (Clariant) based on coco chain and 20 EO groups is an example of a suitable nonionic surfactant.
  • the nonionic surfactant is present in an amount from 0.01 to 10 wt.%, more preferably 0.1 to 5 wt.%, based on the total weight of the composition.
  • the fabric conditioning composition of the invention preferably comprises 0.1 to 5 wt% of a nonionic surfactant preferably an fatty alcohol ethoxylate.
  • Co-softeners may be used in the fabric conditioning composition. When employed, they are typically present at from 0.1 to 20 wt.% and particularly at from 0.5 to 10 wt.%, based on the total weight of the composition.
  • Preferred co-softeners include fatty esters, and fatty N-oxides.
  • Fatty esters that may be employed include fatty monoesters, such as glycerol monostearate, fatty sugar esters, such as those disclosed WO 01/46361 (Unilever).
  • compositions of the present invention may comprise a fatty complexing agent.
  • suitable fatty complexing agents include fatty alcohols and fatty acids. Of these, fatty alcohols are most preferred.
  • the composition of the present invention comprises 0.5 to 20 wt.% perfume materials by weight of the composition, more preferably 1 to 15 wt.% perfume materials, most preferably 2 to 10 wt. % perfume materials.
  • the fabric conditioner composition is preferably in an aqueous form.
  • the compositions preferably comprise from 75 to 95 wt.% water
  • the fabric conditioning composition may be used to treat fabrics either in a hand washing or a machine washing process.
  • the fabric conditioner is used in the rinse stage of the washing process.
  • the clothes are treated with a 10 to 100 ml dose of fabric conditioner for a 4 to 7 kg load of clothes. More preferably, 10 to 80 ml for a 4 to 7 kg load of clothes.
  • the composition of the invention may also be delivered as a rim block.
  • a rim block is meant a shaped solid composition that is hung on to the rim of the toilet usually in a plastic cage like container so that every time the toilet is flushed, a quantity of water passes over the solid composition, eroding a part thereof before flushing into the toilet bowl.
  • the toilet rim block preferably additionally includes a perfume to provide a lingering pleasant odour after every toilet flush.
  • the composition may be delivered as a laundry detergent composition which in addition to the essential ingredients of the present invention may also include 1 to 80% surfactant.
  • the laundry detergent composition may be delivered in the form of a solid or as a liquid. In either case, the compositions generally comprise 1 to 30%, preferably from 1 % to 20%% by weight of one or more surfactants.
  • the surfactant is generally anionic in nature.
  • the laundry detergent composition may comprise non-ionic surfactant (especially when delivered in liquid form) which may be included in 5 to 20 wt% based on the total weight of composition.
  • Laundry detergent compositions may also generally comprise agents like soil release polymers, hydroptropes, co-surfactants, builders, polymeric thickeners, and shading dyes in addition to the above described ingredients.
  • Soil release polymers SRP help to improve the detachment of soils from fabric by modifying the fabric surface during washing.
  • Solid laundry compositions herein can take a variety of physical solid forms including forms such as powder, granule, ribbon, noodle, paste, tablet, flake, pastille and bar, and preferably the composition is in the form of powder, granule or a bar.
  • the solid laundry detergent composition according to the present invention may be made via a variety of conventional methods known in the art including dry-mixing, compaction such as agglomerating, extrusion, tableting, or spray-drying of the various compounds comprised in the detergent component, or combinations of these techniques.
  • the powder or granule compositions preferably have a density of more than 350 grams/litre, more preferably more than 450 grams/litre or even more than 570 grams/litre.
  • the solid laundry detergent composition according to the present invention preferably has a pH from 7.0 to 10.5, preferably 7.0 to 10.2, still preferably from 8.5 to 10.2, when measured at 1 wt.% dilution in de-ionised water at 25°C.
  • the composition may preferably include a buffer.
  • the composition of the invention may be useful for upkeep of kitchen items e.g.. utensils and dishes which may be cleaned using a liquid dishwash compositions.
  • the various ingredients other than the essential ingredients claimed in the present invention which may be included are anionic surfactants, non-ionic surfactants, and hydrotropes. Additionally, other ingredients like amphoteric surfactants and organic acids, may be included.
  • liquid dishwash composition further comprises water in an amount ranging from 5 to 99 wt%, more preferably from 15 to 80 wt%, further more preferably from 30 to 65 wt%, by weight of the composition.
  • liquid dishwash composition further comprises one or more sequestrants which may be included in 0.1 to 5 w% by weight of the composition.
  • a preferred sequestrant is a phosphonic acid or a salt thereof.
  • the most preferred sequestrant is 1 -Hydroxyethylidene-1 ,1 - diphosphonic acid (HEDP). It is preferable that the sequestrant is added to the formulation in acid form.
  • liquid dishwash composition further comprises an enzyme with or without a suitable enzyme stabilizer.
  • viscosity of the composition may suitably range from about 200 to about 10,000 mPa.s at 25°C at a shear rate of 21 sec 1 .
  • the liquid dishwash composition preferably has pH in the range from 2.0 to 8.0, more preferably from 3.5 to 7.0.
  • the liquid dishwash composition may further comprise one or more polymers which may be included in 0.001 to 10 wt%, more preferably from 0.1 to 6 wt%, still further more preferably from 1 to 3 wt%.
  • the composition may be used as is, i.e. neat, or it may be diluted before use.
  • the extent of dilution is generally dependent on market choice. In some markets a more concentrated product is desired while in others a more dilute product is preferred.
  • the composition is a liquid dishwash compositions it is typically diluted with water in a weight ratio in the range of 1 :1 to 1 :10.
  • the liquid dishwash composition may optionally comprise ingredients, such as fragrance, colorant, foam boosting agents, and odor absorbing materials.
  • a method of reducing odour on a surface for up to 48 hours comprising the step of contacting the surface with a composition of the invention preferably diluted with water.
  • Example A-C, 1-2 Reduction of angry malodour measured with a sniff test in a combination of two actives.
  • Malodour causing bacteria (Ref: The influence of thermal reaction and microbial transformation on the odour of human urine. Flavour Fragr. J. 2013, 28, 200-211 , DOI 10.1002/ffj.3143) 10 8 cfu/mL of urine bacteria in saline were prepared as the stock for malodour causing bacteria. 1 mL from suspensions of each of these bacteria were mixed together in a separate test tube which is a 10 8 cfu/mL mixed culture. The mixed culture was serially diluted to get a 10 4 cfu/mL. This is used as the mixed bacterial inoculum for generation of malodour.
  • the incubation solution was prepared freshly every time before the experiment by mixing 396 mL sterile distilled water, 400 mL 2X concentrated water of standard hardness, 4 mL of 1 % dextrose solution, 10mL of mixed bacterial inoculum 10 4 cfu/mL and 200 mL of artificial urine media, were combined in a sterile 1 L Scott-Duran bottle. After this, 40 mL of the incubation solution was aliquoted in to a 100 mL sterile sample container.
  • a polysaccahride and/or a rhamnolipid were added in amounts as shown in table 1 below.
  • the incubation solution alone (neither polysaccharide nor rhamnolipid added to it) serves as the control. Incubation was carried out at 37°C for 48 hours for allowing the malodour to develop inside the container.
  • Malodour is measured on a scale from 0 (No urine like odour) and 5 (strong pungent ammonia/urine odour). The untreated control has the maximum malodour.
  • the odour scores are given by expert panellists in a blinded test. Table - 1 :
  • the data in the table above indicates that the combination of a polysaccharide selected from algin or pectin and a rhamnolipid provides for synergistic interaction in reducing malodour on fabric.
  • Examples D-H, 3-5 Reduction of angry malodour measured with a sniff test in a combination of three actives.
  • Table - 2 The data in the table above indicates that combination of rhamnolipid with a polysaccharide (algin or pectin) and additionally comprising a zinc salt (zinc acetate) also provides for synergistic anti malodour benefit.
  • Examples J, 6-7 Reduction of angry malodour measured with a sniff test in another combination of three actives.

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Abstract

La présente invention concerne une composition qui est utilisée pour réduire les mauvaises odeurs sur des surfaces dures telles que celles sur des ustensiles, des meubles, des sols, des murs, et sur des toilettes et sur des surfaces souples telles que celles d'un tissu, de sorte qu'elles restent fraîches et exemptes de mauvaises odeurs pendant une longue durée après avoir été nettoyées avec la composition. Ceci est obtenu par l'intermédiaire d'une combinaison d'un rhamnolipide et d'un polysaccharide choisi parmi l'algine et la pectine et éventuellement en outre un sel de zinc ou un tensioactif cationique.
PCT/EP2022/073662 2021-09-02 2022-08-25 Composition d'hygiène pour réduire les mauvaises odeurs WO2023031007A1 (fr)

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Citations (9)

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Publication number Priority date Publication date Assignee Title
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US5767090A (en) 1996-01-17 1998-06-16 Arizona Board Of Regents, On Behalf Of The University Of Arizona Microbially produced rhamnolipids (biosurfactants) for the control of plant pathogenic zoosporic fungi
WO2001046361A1 (fr) 1999-12-22 2001-06-28 Unilever Plc Compositions d'assouplissement de tissu
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WO2014173659A1 (fr) 2013-04-25 2014-10-30 Unilever Plc Compositions de nettoyage ayant des propriétés améliorées de distribution et de suspension
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US4814272A (en) 1984-02-17 1989-03-21 Wintershall Ag Process for the biotechnical production of rhamnolipids including rhamnolipids with only one β-hydroxydecanoic acid residue in the molecule
US5767090A (en) 1996-01-17 1998-06-16 Arizona Board Of Regents, On Behalf Of The University Of Arizona Microbially produced rhamnolipids (biosurfactants) for the control of plant pathogenic zoosporic fungi
WO2001046361A1 (fr) 1999-12-22 2001-06-28 Unilever Plc Compositions d'assouplissement de tissu
US6767090B2 (en) 2000-06-07 2004-07-27 Seiko Epson Corporation Ink set for ink-jet recording
WO2008013899A2 (fr) * 2006-07-27 2008-01-31 Aurora Advance Beauty Labs Formulations à base de rhamnolipides
WO2014173659A1 (fr) 2013-04-25 2014-10-30 Unilever Plc Compositions de nettoyage ayant des propriétés améliorées de distribution et de suspension
CH712859A2 (de) * 2016-08-29 2018-03-15 Remo Richli Wasch-, Pflege- und Reinigungsmittel mit Polyoxyalkylen Carboxylat und Glycolipid-Biotensid.
DE102019207064A1 (de) * 2019-05-15 2020-11-19 Henkel Ag & Co. Kgaa biotensidhaltige Zahncremes
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