EP2773739B1 - Flüssige antimikrobielle reinigungszusammensetzung für harte oberflächen - Google Patents

Flüssige antimikrobielle reinigungszusammensetzung für harte oberflächen Download PDF

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Publication number
EP2773739B1
EP2773739B1 EP12769078.2A EP12769078A EP2773739B1 EP 2773739 B1 EP2773739 B1 EP 2773739B1 EP 12769078 A EP12769078 A EP 12769078A EP 2773739 B1 EP2773739 B1 EP 2773739B1
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EP
European Patent Office
Prior art keywords
composition
weight
hard surface
terpineol
thymol
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.)
Active
Application number
EP12769078.2A
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English (en)
French (fr)
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EP2773739A1 (de
Inventor
Sameer Keshav Barne
Amit Chakrabortty
Maya Treesa Saji
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Unilever PLC
Unilever NV
Original Assignee
Unilever PLC
Unilever NV
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Application filed by Unilever PLC, Unilever NV filed Critical Unilever PLC
Priority to PL12769078T priority Critical patent/PL2773739T3/pl
Publication of EP2773739A1 publication Critical patent/EP2773739A1/de
Application granted granted Critical
Publication of EP2773739B1 publication Critical patent/EP2773739B1/de
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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
    • C11D3/48—Medical, disinfecting agents, disinfecting, antibacterial, germicidal or antimicrobial 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
    • C11D3/20—Organic compounds containing oxygen
    • C11D3/2003—Alcohols; Phenols
    • C11D3/2006—Monohydric alcohols
    • C11D3/2037—Terpenes
    • 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
    • C11D3/2075—Carboxylic acids-salts thereof
    • C11D3/2082—Polycarboxylic acids-salts thereof
    • 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
    • C11D3/26—Organic compounds containing nitrogen
    • C11D3/30—Amines; Substituted amines ; Quaternized amines

Definitions

  • the invention relates to a liquid hard surface cleaning and disinfection composition.
  • the invention more particularly relates to a hard surface disinfection composition that provides synergistic antibacterial efficacy.
  • Liquid compositions for disinfecting and cleaning hard surfaces like floors, walls, windows, doors, furniture, and table tops in various indoor and outdoor locations are known. Toilets and bathrooms are other places where germs proliferate and disinfection and cleaning compositions in liquid form are widely used. Other types of hard surfaces that are cleaned by such compositions include utensils and other articles found in households, offices and other public places.
  • halogen and active oxygen are two most effective bleaches.
  • Bleaches are compounds that liberate oxidising agents like chlorine, bromine, fluorine, nascent oxygen or other oxidizing agents that break the cell walls of microbes like bacteria and virus thereby disinfecting the surfaces thus treated.
  • Phenolics are another class of antimicrobials often derived from essential oils extracted from natural sources which are formulated in an emulsified form and sold as floor and toilet cleaners.
  • these compounds are sometimes considered either harsh or take a long time for the antimicrobial action to take place.
  • these compositions include surfactants to either emulsify the oily components present therein or to enable cleaning via detergency action or both. To remove the residual surfactants the surfaces being treated or cleaned are soon thereafter rinsed or wiped to be substantially free of the disinfection/ cleaning composition. This allows very little time for the disinfection action to take place.
  • the present inventors have found that inclusion of benzalkonium chloride and selected salts of di or tricarboxylic acid when combined with thymol or terpineol provides similar synergistic antimicrobial action in a rapid fashion and such efficacy is obtained at much lower concentrations of thymol and/ or terpineol.
  • This invention has the advantage that essential oil actives like terpineol and thymol have a strong medicinal odour which is not liked by some consumers and it is advantageous to include thymol and terpineol at lower concentrations while ensuring that same efficient anti-microbial action. Further, it has been found by way of the present invention that inclusion of a chelating agent sodium tripolyphosphate provides for further enhanced antibacterial efficacy.
  • Liquid hard surface cleaning compositions having a pH 9 to 12 comprising cationic surfactant are known.
  • US6048836 (1998 , P&G) discloses the use, in a composition, of a combination of a chelating agent, a surfactant, and an essential oil or an active thereof, to provide disinfecting properties.
  • Another object of the present invention is to provide a liquid hard surface cleaning and disinfecting composition that has relatively fast antimicrobial action.
  • a liquid hard surface antimicrobial cleaning composition with a pH in the range of 9 to 12 comprising
  • a method of cleaning and disinfecting a hard surface comprising applying to said hard surface a composition of the first aspect diluted with water in a weight ratio of 1: 20 to 1: 200.
  • the first aspect of the invention provides for a liquid hard surface antimicrobial cleaning composition with a pH in the range of 9 to 12.
  • the composition comprises 0.5 to 4% by weight of benzalkonium chloride; 0.25 to 3% by weight of salt of di or tri carboxylic acid; 0.01 to 2% by weight of an essential oil active selected from thymol or terpineol; and 87 to 97% by weight water.
  • the composition comprises 0.5 to 4%, more preferably 1 to 2%, further more preferably 1.25 to 1.75% cationic surfactant benzalkonium chloride.
  • the composition comprises 0.25 to 3%, preferably 0.5 to 2%, more preferably 0.5 to 1.5% by weight of the composition salt of di or tri carboxylic acid.
  • the salt of di or tri carboxylic acid is preferably chosen from an oxalate, fumarate, phthalate, maleate, malate, malonate or citrate.
  • the salt of di or tricarboxylic acid is most preferably a phthalate, malate, malonte, or citrate.
  • Alkali metal or alkaline earth metal salts are preferred, more preferably alkali metal salts of which sodium salt is most preferred. Structure of salts of some of the carboxylic acids are given below:
  • the composition comprises an essential oil antimicrobial active selected from thymol or terpineol at 0.01 to 2% by weight of the composition.
  • Preferred antimicrobial compositions of the present invention have thymol higher than 0.05 and lesser than 0.3% by weight. Thymol may be added to the antimicrobial composition in purified form. Alternatively, thyme oil or thyme extract comprising thymol may be added to the antimicrobial composition, while ensuring that thymol is present in the desired concentration in the composition of the present invention. Thyme oil or thyme extract is obtained from the thyme plant.
  • Thyme plant refers to a plant belonging be genus Thymus and includes but is not limited to the following species: Thymus vulgaris, Thymus zygis, Thymus satureoides, Thymus mastichina, Thymus broussonetti, Thymus maroccanus, Thymus pallidus, Thymus algeriensis, Thymus serpyllum, Thymus pulegoide, and Thymus citriodorus.
  • Preferred antimicrobial compositions of the present invention have terpineol higher than 0.05 and lesser than 1% by weight.
  • the terpineol is preferably selected from alpha-terpineol, beta-terpineol, gamma-terpineol or mixtures thereof. It is particularly preferred that the terpineol is alpha-terpineol.
  • Terpineol may be added to the antimicrobial composition in purified form. Alternatively pine oil comprising terpineol may be added to the antimicrobial composition.
  • the composition optionally comprises sodium tripoly phosphate (STPP).
  • STPP sodium tripoly phosphate
  • composition of the invention comprises water as a preferred carrier. Water is present in 87 to 97%, preferably 90 to 95% by weight of the composition.
  • a composition of the invention optionally comprises a surfactant.
  • Preferred surfactant is a non-ionic surfactant.
  • Non-ionic surfactant is preferably present in an amount of 2 to 10% by weight of the composition.
  • Particularly preferred nonionic surfactants are fatty alcohol ethoxylates preferably C8-C22, more preferably C8-C16 fatty alcohol ethoxylates, comprising between 1 and 8 ethylene oxide groups.
  • Suitable surfactant concentrations in liquid form of hard surface cleaning compositions are preferably from 1 to 5 % by weight of the composition.
  • the composition of the invention has pH in the range of 9 to 12, preferably in the range of 10.5 to 11.5. This could be achieved by incorporating the essential ingredients of the invention in selected amounts, else may be achieved by incorporating an alkaline agent.
  • the alkaline agent is preferably sodium carbonate or sodium hydroxide.
  • the alkaline agent is preferably present in 0.1 to 1% by weight of the composition.
  • the present inventors have determined that the highly efficacious antimicrobial action of the composition of the invention can be achieved in the absence of conventional disinfectants like bleaches e.g. halogens, halogenated compounds and active oxygen based bleaches.
  • bleaches e.g. halogens, halogenated compounds and active oxygen based bleaches.
  • small amount of such bleaches may be present in the composition e.g. less than 1%, preferably less than 0.5%, more preferably less than 0.1% and the efficacy of the composition is achievable even with the bleaches being absent from the composition.
  • composition may further comprise various additional ingredients known to a person skilled in the art.
  • additional ingredients include but are not limited to: perfumes, pigments, preservatives, emollients, sunscreens, emulsifiers, gelling agents, or thickening agents.
  • the antimicrobial composition may be in form of a liquid but the liquid composition may be further thickened to a gel or a paste.
  • the antimicrobial composition of the present invention can be used for cleansing and care of hard surfaces such as glass, metal, plastic, wood, ceramic and the like.
  • a method of cleaning and disinfecting a hard surface comprising applying to said hard surface a composition of the invention diluted with water in a weight ratio of 1: 20 to 1: 200, preferably in a ratio of 1:40 to 1:80.
  • the method preferably comprises a step of rinsing the surface with a suitable solvent preferably water or the surface may be wiped with a suitable wipe.
  • composition of the invention provides an antimicrobial action where the contact time of the antimicrobial actives with the surface is low, i.e. of the order of less than 5 minutes, preferably less than 2 minutes, further more preferably less than a minute and in many cases less than 15 seconds.
  • Antibacterial compositions for hard surface cleaning as shown in Table - 1 read along with Table - 2 were prepared.
  • the compositions were tested for antibacterial efficacy using the European Suspension Test BS EN1276 which is briefly described below:
  • Table - 1 Ingredients Weight% Neodol (C12E09) 3.0 Benzalkonium chloride 1.5 Essential oil active As shown in Table - 2 Sodium Carbonate 0.3 Di/tri carboxylate (as shown in Table 2) 1.0 Table - 2: Compositions as per Table - 1 where prepared using the di/carboxylic acids and thymol and/or terpineol concentrations as shown below: Example Di/tri carboxylic acid Thymol (wt%) Terpineol (wt%) Log reduction Example 1 - - - 3.2 Example 2 - 0.125 - 3.1 Example 3 Sodium malonate 0.125 - 6.4 Example 4 Sodium citrate 0.125 - 7.3 Example 5 - - 0.25 3.0 Example 6 Sodium malonate - 0.25 5.2 Example 7 Sodium citrate - 0.25 7.3 Example 8 - 0.125 0.25 3.3 Example 9 Sodium malonate 0.125 0.25 6.8 Example 10 Sodium citrate 0.125 0.25 7.3
  • compositions as per the invention (Examples 3,4,6,7,9,10) provide for vastly superior antibacterial efficacy as compared to compositions outside the invention (Examples 1,2,5,8).
  • Table 3 indicates that the antibacterial compositions of the invention (Examples 12and 13) are effective even at short contact times of about 30 seconds.
  • compositions as shown in Table - 4 were tested for antibacterial efficacy at a dilution of 1:60 with hard water at a contact time of 5 minutes.
  • the soil was BSA at 0.3%.
  • the bacteria used was P. aeruginosa ATCC 15442 (at 10 7 cfu/ml cell density).
  • the pH of the compositions were 11. The data is shown in Table - 4.
  • Example 14 (wt%) Example 15 (wt%) Example 16 (wt%) Example 17 (wt%) Example 18 (wt%) Example 19 (wt%) Neodol (C12EO9) 3.0 3.0 3.0 3.0 3.0 3.0 Benzalkonium chloride 1.5 1.5 1.5 1.5 1.5 1.5 Sodium Carbonate 0.3 0.3 0.3 0.3 0.3 Di / tri carboxylate - Sodium fumarate 1.0 Sodium phthalate 1.0 Sodium malate 1.0 Sodium malonate 1.0 Sodium citrate 1.0 Thymol 0.125 0.125 0.125 0.125 0.125 0.125 0.125 Terpineol 0.25 0.25 0.25 0.25 0.25 0.25 0.25 Log reduction of bacteria 4.3 5.2 7.3 5.9 7.3 7.3 *STPP: is sodium tripolyphosphate

Claims (11)

  1. Flüssige antimikrobielle Reinigungszusammensetzung für harte Oberflächen mit einem pH-Wert in dem Bereich von 9 bis 12, umfassend
    (a) 0,5 bis 4 Gew.-% Benzalkoniumchlorid;
    (b) 0,25 bis 3 Gew.-% eines Salzes einer Di- oder Tricarbonsäure;
    (c) 0,01 bis 2 Gew.-% eines antimikrobiellen Wirkstoffs aus essentiellem Öl, ausgewählt aus Thymol oder Terpineol; und
    (d) 87 bis 97 Gew.-% Wasser.
  2. Zusammensetzung gemäß Anspruch 1, umfassend Thymol und Terpineol.
  3. Zusammensetzung gemäß Anspruch 1 oder 2, wobei das Salz einer Di- oder Tricarbonsäure aus einem Oxalat, Fumarat, Phthalat, Maleat, Malat, Malonat oder Citrat ausgewählt ist.
  4. Zusammensetzung gemäß Anspruch 3, wobei das Salz einer Di- oder Tricarbonsäure aus einem Phthalat, Malat, Malonat oder Citrat ausgewählt ist.
  5. Zusammensetzung gemäß irgendeinem der vorhergehenden Ansprüche, umfassend 0,25 bis 3 Gew.-% Natriumtripolyphosphat.
  6. Zusammensetzung gemäß irgendeinem der vorhergehenden Ansprüche, umfassend ein nichtionisches Tensid.
  7. Zusammensetzung gemäß Anspruch 6, wobei das nichtionische Tensid in einer Menge von 2 bis 10 Gew.-% der Zusammensetzung vorhanden ist.
  8. Zusammensetzung gemäß Anspruch 6 oder 7, wobei das nichtionische Tensid Fettalkohol-Ethoxylat umfasst.
  9. Zusammensetzung gemäß irgendeinem der vorhergehenden Ansprüche, umfassend ein alkalisches Mittel ausgewählt aus Natriumcarbonat oder Natriumhydroxid.
  10. Zusammensetzung gemäß Anspruch 9, wobei das alkalische Mittel mit 0,1 bis 1 Gew.-% der Zusammensetzung vorhanden ist.
  11. Verfahren zum Reinigen und Desinfizieren einer harten Oberfläche, umfassend das Aufbringen einer Zusammensetzung gemäß irgendeinem der vorhergehenden Ansprüche auf die harte Oberfläche, die in einem Verhältnis von 1:20 bis 1:200 mit Wasser verdünnt ist.
EP12769078.2A 2011-11-03 2012-09-26 Flüssige antimikrobielle reinigungszusammensetzung für harte oberflächen Active EP2773739B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL12769078T PL2773739T3 (pl) 2011-11-03 2012-09-26 Ciekłe przeciwmikrobowe kompozycje czyszczące do twardych powierzchni

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IN3095MU2011 2011-11-03
PCT/EP2012/068987 WO2013064315A1 (en) 2011-11-03 2012-09-26 A liquid hard surface antimicrobial cleaning composition

Publications (2)

Publication Number Publication Date
EP2773739A1 EP2773739A1 (de) 2014-09-10
EP2773739B1 true EP2773739B1 (de) 2015-11-04

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ID=46980938

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EP12769078.2A Active EP2773739B1 (de) 2011-11-03 2012-09-26 Flüssige antimikrobielle reinigungszusammensetzung für harte oberflächen

Country Status (7)

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EP (1) EP2773739B1 (de)
CN (1) CN103890160B (de)
BR (1) BR112014008053B1 (de)
EA (1) EA022049B1 (de)
MX (1) MX339345B (de)
PL (1) PL2773739T3 (de)
WO (1) WO2013064315A1 (de)

Cited By (2)

* Cited by examiner, † Cited by third party
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WO2023011929A1 (en) 2021-08-04 2023-02-09 Unilever Ip Holdings B.V. An antimicrobial bleach composition
WO2023011953A1 (en) 2021-08-04 2023-02-09 Unilever Ip Holdings B.V. A stable bleach composition

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US9206381B2 (en) 2011-09-21 2015-12-08 Ecolab Usa Inc. Reduced misting alkaline cleaners using elongational viscosity modifiers
US9309485B2 (en) 2013-06-26 2016-04-12 Ecolab USA, Inc. Use of nonionics as rheology modifiers in liquid cleaning solutions
EP3019009A4 (de) 2013-08-07 2017-01-11 Sanit Technologies Llc Antimikrobielle hygienezusammensetzungen und verfahren zur herstellung davon
US9637708B2 (en) 2014-02-14 2017-05-02 Ecolab Usa Inc. Reduced misting and clinging chlorine-based hard surface cleaner
CN108289444B (zh) * 2015-11-27 2021-08-27 联合利华知识产权控股有限公司 抗微生物组合物
BR112018073540B1 (pt) 2016-05-19 2023-04-25 Ecolab Usa Inc Método para limpar uma superfície de pedra de calcita, composição, e, uso
ES2808999T3 (es) 2016-05-23 2021-03-02 Ecolab Usa Inc Composiciones de limpieza antisépticas y desinfectantes alcalinas y neutras con reducción de la formación de neblina a través del uso de polímeros de emulsión de agua en aceite de alto peso molecular
MX2018013936A (es) 2016-05-23 2019-03-28 Ecolab Usa Inc Composiciones acidas de limpieza, sanitizacion y desinfeccion con nebulizacion reducida a traves del uso de polimeros de emulsion de agua en aceite de alto peso molecular.
CN106318653A (zh) * 2016-08-19 2017-01-11 桂林福冈新材料有限公司 一种清洗后无痕迹的玻璃洗涤剂
US11540512B2 (en) 2017-03-01 2023-01-03 Ecolab Usa Inc. Reduced inhalation hazard sanitizers and disinfectants via high molecular weight polymers
DE102017124010A1 (de) * 2017-10-16 2019-04-18 Oliver Ganzenmüller Stoffgemisch zur Reinigung von Oberflächen
JP7170300B2 (ja) * 2017-12-11 2022-11-14 株式会社ニイタカ 液体洗浄剤組成物
CN114096650A (zh) 2019-07-12 2022-02-25 埃科莱布美国股份有限公司 使用碱溶性乳液聚合物的减少雾化的碱性清洁剂
RU2766860C1 (ru) * 2021-04-26 2022-03-16 Общество с ограниченной ответственностью «Синергия Технологий» Моющая композиция

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EP0621335A2 (de) 1993-04-19 1994-10-26 Reckitt & Colman Inc. Allzweckreinigungsmittelzusammensetzung
GB2307915A (en) 1995-11-14 1997-06-11 Reckitt & Colman Inc Pine oil type cleaning compositions
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GB2322552A (en) 1997-03-01 1998-09-02 Reckitt & Colman Inc Liquid disinfectant concentrate
US6191091B1 (en) 1997-03-04 2001-02-20 Marcel Raymond Biodegradable compound for cleaning, disinfecting, and descaling water dispensers and method of use thereof
US6613728B1 (en) 1998-06-26 2003-09-02 The Procter & Gamble Company Use of an anti-microbial compound for disinfection
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WO2010046238A1 (en) 2008-10-20 2010-04-29 Unilever Nv An antimicrobial composition
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023011929A1 (en) 2021-08-04 2023-02-09 Unilever Ip Holdings B.V. An antimicrobial bleach composition
WO2023011953A1 (en) 2021-08-04 2023-02-09 Unilever Ip Holdings B.V. A stable bleach composition

Also Published As

Publication number Publication date
MX339345B (es) 2016-05-20
CN103890160B (zh) 2017-03-08
BR112014008053A2 (pt) 2017-04-11
WO2013064315A1 (en) 2013-05-10
MX2014005403A (es) 2014-07-11
CN103890160A (zh) 2014-06-25
BR112014008053B1 (pt) 2021-06-01
EA022049B1 (ru) 2015-10-30
EA201400533A1 (ru) 2014-08-29
EP2773739A1 (de) 2014-09-10
PL2773739T3 (pl) 2016-06-30

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