EP1967578A1 - Zusammensetzung für Wasserklosetts mit Dauerwirkung - Google Patents

Zusammensetzung für Wasserklosetts mit Dauerwirkung Download PDF

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Publication number
EP1967578A1
EP1967578A1 EP08101704A EP08101704A EP1967578A1 EP 1967578 A1 EP1967578 A1 EP 1967578A1 EP 08101704 A EP08101704 A EP 08101704A EP 08101704 A EP08101704 A EP 08101704A EP 1967578 A1 EP1967578 A1 EP 1967578A1
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EP
European Patent Office
Prior art keywords
organisms
micro
composition according
alkyl
composition
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.)
Withdrawn
Application number
EP08101704A
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English (en)
French (fr)
Inventor
Andrea Agostini
Marco Oliva
Michele Ferri
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.)
Bolton Manitoba SpA
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Bolton Manitoba SpA
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Filing date
Publication date
Application filed by Bolton Manitoba SpA filed Critical Bolton Manitoba SpA
Publication of EP1967578A1 publication Critical patent/EP1967578A1/de
Withdrawn legal-status Critical Current

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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
    • C11D3/38—Products with no well-defined composition, 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
    • C11D3/16—Organic compounds
    • C11D3/38—Products with no well-defined composition, e.g. natural products
    • C11D3/381—Microorganisms

Definitions

  • the present invention relates to a composition for water closets with a continuous action.
  • the remaining surface of the basin is not substantially touched by the detergent compositions forming the solid compositions, in particular tablets, or compositions in the form of liquids or gels arranged in suitable release systems on the edge of the basin.
  • the detergent action produced by these systems has a limited effect with time, which is exerted with each flushing but which is substantially zero in the time lapse between one flushing and another.
  • micro-organisms systems which attempt to solve these problems with the use of micro-organisms, are known in the state of the art.
  • the use of micro-organisms is not simple as both the difficulty of producing products containing vital micro-organisms and therefore effective, in solid form, and the difficulty of producing solid products containing micro-organisms with a high stability in ordinary chemical means, must be taken into account.
  • Micro-organisms in fact often have a poor compatibility with the other components which form a solid detergent composition for water closets.
  • the Applicant has now surprisingly found a composition for water closets with a continuous action which overcomes the drawbacks of the state of the art.
  • An object of the present invention therefore relates to a composition for water closets with a continuous action comprising a detergent component and an active biological agent, characterized in that the active biological agent consists of gram-positive micro-organisms and/or biological agents capable of producing said micro-organisms in a concentration ranging from 10 4 to 10 12 cfu/g, said micro-organisms belonging to the species Bacillus subtilis, Bacillus licheniformis, Bacillus sphaericus, Bacillus thuringensis and/or Paenicillium camenbertii.
  • a further object of the present invention relates to the use of a composition for water closets with a continuous action comprising a detergent component and an active biological agent, wherein the active biological agent consists of gram-positive micro-organisms and/or biological agents capable of producing said micro-organisms in a concentration ranging from 10 4 to 10 12 cfu/g, said micro-organisms belonging to the species Bacillus subtilis, Bacillus licheniformis, Bacillus sphaericus, Bacillus thuringensis and/or Paenicillium camenbertii, as composition with a continuous action in liquid, solid or gel form.
  • the active biological agent consists of gram-positive micro-organisms and/or biological agents capable of producing said micro-organisms in a concentration ranging from 10 4 to 10 12 cfu/g, said micro-organisms belonging to the species Bacillus subtilis, Bacillus licheniformis, Bacillus sphaericus, Bac
  • An object of the present invention preferably relates to the use of the composition for water closets with a continuous action, as a solid rim-block tablet.
  • composition for water closets with a continuous action preferably comprises a detergent component consisting of anionic and/or amphoteric and/or non-ionic surface-active agents.
  • the detergent component of the composition for water closets with a continuous action is preferably an anionic surface-active agent selected from sodium dodecylbenzenesulfonate, sodium alkane sulfonates, alkyl sulfates, alkyl ether sulfates, sulfonated alpha-olefins, alcohol ether sulfates, alkyl sulfosuccinates and/or mixtures thereof.
  • the detergent component according to the present invention can comprise non-ionic surface-active agents, preferably selected from linear or branched aliphatic alcohols, having a chain containing from 8 to 15 carbon atoms condensed with from 3 to 12 moles of alkylene oxide per mole of alcohol.
  • the non-ionic surface-active agents according to the present invention are preferably linear or branched aliphatic alcohols having a chain containing from 8 to 15 carbon atoms condensed with from 3 to 12 moles of ethylene oxide and/or from 3 to 12 moles of a mixture of ethylene oxide/propylene oxide per mole of alcohol.
  • the detergent component according to the present invention can comprise amphoteric surface-active agents preferably selected from alkyl-betaines having the following formula RR' 2 N (+) CH 2 CO 2 (-) wherein R represents a linear or branched alkyl chain, saturated or unsaturated, having from 9 to 20 carbon atoms and R' is a C 1 -C 3 alkyl group.
  • amphoteric surface-active agents are preferably selected from alkyl amido-betaines having the following formula R-CONH-(CH 2 ) n R' 2 N (+) CH 2 CO 2 (-) , wherein R represents a linear or branched, saturated or unsaturated alkyl chain, having from 9 to 20 carbon atoms, R' is a C 1 -C 3 alkyl group and n is an integer ranging from 2 to 6, preferably equal to 2 or 3.
  • Amphoteric surface-active agents suitable for detergent components according to the present invention are also alkyl amino-oxides of the type RR' 2 NO, wherein R represents a linear or branched, saturated or unsaturated alkyl chain, having from 10 to 20 carbon atoms, R' is a C 1 -C 3 alkyl group.
  • the anionic and/or amphoteric and/or non-ionic surface-active agents are present in the solid component for water closets according to the present invention in a quantity which varies from 10 to 95% by weight, preferably from 20 to 70%, even more preferably from 30 to 60%, with respect to the total weight of the composition.
  • the preferred detergent component for the composition for water closets with a continued action according to the present invention comprises sodium dodecylbenzenesulfonate, as anionic surface-active agent.
  • composition for water closets with a continued action also comprises an active biological agent consisting of gram-positive micro-organisms and/or biological agents capable of producing said micro-organisms in a concentration ranging from 10 4 to 10 12 cfu/g, said micro-organisms belonging to the species Bacillus subtilis, Bacillus licheniformis, Bacillus sphaericus, Bacillus thuringensis and/or Paenicillium camenbertii.
  • the biological agent preferably consists of a mixture of biological agents capable of producing gram-positive micro-organisms selected from bacteria, yeasts, spores, etc.
  • the gram-positive micro-organisms preferably belong to the species Bacillus subtilis and/or Bacillus licheniformis.
  • the gram-positive micro-organisms and/or biological agents capable of producing said micro-organisms are present in a concentration ranging from 10 4 to 10 12 cfu/g, preferably from 10 6 to 10 10 cfu/g, even more preferably from 10 7 to 10 9 cfu/g.
  • the biological agent present in the composition for water closets with a continued action according to the present invention is characterized in that it exerts a lipase, protease, cellulase, amylase and urease action.
  • composition for water closets with a continued action according to the present invention when in solid form, it also comprises the presence of inert inorganic material (filler) such as sodium sulfate, sodium carbonate, calcium carbonate, silicates, silico-aluminates and mixtures thereof; the composition for water closets with a continued action according to the present invention can also comprise the presence of organic binders which regulate the solubility of the block such as polyethylene glycols and derivatives, the presence of dyes, soaps and perfumes.
  • inert inorganic material such as sodium sulfate, sodium carbonate, calcium carbonate, silicates, silico-aluminates and mixtures thereof
  • organic binders which regulate the solubility of the block such as polyethylene glycols and derivatives, the presence of dyes, soaps and perfumes.
  • the preferred composition for water closets with a continued action comprises a detergent component consisting of a mixture of sodium dodecylbenzenesulfonate, sodium alkane sulfonates, lauryl ether sulfate, sulfonated alpha-olefins, a biological agent consisting of a mixture of micro-organisms belonging to the species Bacillus subtilis and Bacillus licheniformis, and polyethylene glycol as binder.
  • the present invention also relates to a process for the preparation of the composition for water closets with a continued action according to the present invention, in particular when produced in solid form.
  • a further object of the present invention therefore relates to a process for the preparation of a solid composition for water closets with a continued action comprising a detergent component and an active biological agent, characterized in that the active biological agent consists of gram-positive micro-organisms and/or biological agents capable of producing said micro-organisms in a concentration ranging from 10 4 to 10 12 cfu/g, said micro-organisms belonging to the species Bacillus subtilis, Bacillus licheniformis, Bacillus sphaericus, Bacillus thuringensis and/or Paenicillium camenbertii, comprising the following steps:
  • composition for water closets with a continued action according to the present invention is normally fixed to the edge of the toilet basin with the use of a suitable support selected from those normally adopted for solid WC tablets, when produced in solid form.
  • suitable support selected from those normally adopted for solid WC tablets, when produced in solid form.
  • suitable containers selected from those generally used for liquid or gel products, when produced in liquid or gel form.
  • the combined action of the detergent component and biological agent allows a high efficiency to be obtained in removing the dirt in all areas of the toilet basin, removing at the same time also unpleasant smells, with both an immediate efficiency and also delayed over a period of time which is thus exerted not only in correspondence with each water flushing but also within the time lapses between one water flushing and another.
  • composition for water closets with a continued action according to the present invention has various characteristics which make it optimum for solving the technical problem faced in the present patent application.
  • the biological agent present in the composition for water closets with a continued action according to the present invention is also vital at a dilution equal to 1/20,000, i.e. under the conditions of use of the product.
  • composition for water closets with a continued action also has a high efficiency in reducing dirt also at a dilution equal to 1/20,000, i.e. under the conditions of use of the product, by means of an intense action and has a high efficacy on the whole surface of the basin, substantially starting from the area in contact with the water up to the upper edge of the basin itself.
  • a tablet for water closets characterized by the following chemical composition Sodium dodecylbenzenesulfonate 30% by weight Sulfonated alpha-olefin 7.5% by weight Anhydrous sodium sulfate 48.735% by weight Mixture of Bacillus spp 2.0% by weight Perfume 3.0% by weight Sodium Cumene sulfonate 6.0% by weight Polyethylene glycol 2.0% by weight Lauryl ether sulfate 0.75% by weight Dye 0.015% by weight was tested to verify its efficacy in the removal of dirt at the dilution of use.
  • the mixture of Bacillus spp consists of strains of Bacillus subtilis and Bacillus licheniformis having an activity equal to about 10 8 cfu/g.
  • Figures 1 and 2 show a comparison between the efficacy of a standard tablet, a tablet according to Example 1 and a tablet exclusively consisting of biological material, all with a dilution equal to that of the conditions of use.
  • test of figure 1 was carried out evaluating the removal of dirt consisting of TRM SOIL COMPOSITION (composition consisting of starch, milk, gelatin, meat broth, oil, dextrose, hand lotion, dish-washer liquid, sodium bicarbonate, sodium chloride, urea) and shows how the biological agents are capable of significantly contributing to improving the cleaning of the toilet basin.
  • TRM SOIL COMPOSITION composition consisting of starch, milk, gelatin, meat broth, oil, dextrose, hand lotion, dish-washer liquid, sodium bicarbonate, sodium chloride, urea
  • the test of figure 2 was carried out evaluating the removal of dirt consisting of a composition of artificial feces (bilirubin, animal fats) and shows how the biological agents are capable of significantly contributing to improving the cleaning of the toilet basin.
  • feces bilirubin, animal fats
  • the tablet for water closets according to Example 1 i.e. according to the present invention, has a double efficacy with respect to the use of the active biological agent alone demonstrating that the various components of the solid composition for water closets according to the present invention exerts a synergic action.
  • the test was carried out in standard containers using two different means as food source for the active biological component: one food source consisted of a composition of artificial feces and a second food source consisted of a household wastewater medium.
  • test A adheres to the surfaces of the basin after periodic water flushings, in the presence or absence of micro-organisms naturally present in a toilet basin and tests B) that they inhibit the formation and growth of undesired gram-negative micro-organisms in both a laboratory model which simulates a toilet basin and in a real toilet basin for end-users.
  • Tests A were carried out with the use of the PCR technique in real time to confirm and quantify the DNA of spores of Bacillus subtilis and Bacillus licheniformis, identifying the Bacillus spp on the basis of the morphology of the colony (these analysis techniques are perfectly known to experts in the field).
  • Tests B were carried out using selective mediums which identify gram-negative micro-organisms.
  • Figure 4 contains a diagram which shows the growth of the spores of Bacillus subtilis and Bacillus licheniformis at a distance of 1 cm above the water line with the passing of days, effecting eight water flushings a day
  • figure 5 is a photograph of a plate relating to samples collected from which it is observed that the colonies have the correct morphology.
  • a solid WC tablet according to Example 1 was installed in a toilet basin free of micro-organisms. Samples were then collected for 12 days at a distance of 1 cm approximately above the water line.
  • Figure 4 clearly shows that, by using a solid WC tablet according to the present invention, spores of Bacillus subtilis and Bacillus licheniformis were found in the toilet basin at a distance of 1 cm above the water line as of the second day of use, effecting eight water flushings a day. The number of Bacillus subtilis and Bacillus licheniformis spores then grew to a value higher than 1 million/cm 2 , said value being reached after 9 days.
  • the graph of Figure 7 clearly shows that Bacillus subtilis and Bacillus licheniformis spores were found in every region of the basin starting from the water line up to the height of the solid WC tablet, i.e. at 9 cm from the water line, after a continuous use for 12 days with eight flushings a day.
  • Table 1 indicates the results of the three tests effected: Table 1 Test Duration (days) Reduction % of gram-negative organisms Maximum reduction % of gram-negative organisms: test average 1 2 Up to 99.9% on the second day 83.4% 2 2 Up to 80.5% on the second day 3 5 Up to 69.8% on the fifth day
  • Figure 10 shows three samples: the first sample on the left was taken from a basin using a standard WC tablet, the samples in the centre and on the right were taken from two different areas of a toilet basin using a solid WC tablet according to the present invention. In these two samples, central and right, a very low level of gram-negative organism is observed such as Pseudomonas spp (fluorescent) compared with the sample on the left.
  • Pseudomonas spp fluorescent
  • Tests were then carried out on toilet basins of French and English users to verify the growth inhibition of undesired gram-negative organisms.
  • Table 2 indicates the results of the tests effected.
  • Table 2 Test Basin area Reduction % of gram-negative organisms Maximum reduction % of gram-negative organisms: average in the various areas 1 1 49.9% 53.5% 1 2 23.3% 1 3 0% 1 4 94.7% 1 5 99.5% 2 1 12.8% 50.9% 2 2 0% 2 3 82.6% 2 4 92.2% 2 5 67.1%
  • the tests indicated with 1 were carried out in a toilet basin of a French family consisting of three people used for 13 days without the solid WC tablet according to the present invention, subsequently effecting a complete cleaning of the basin and then using it for a further 13 days in the presence of the solid WC tablet according to the present invention.
  • the tests indicated with 2 were carried out in a toilet basin of an English family of five people used for 9 days without the solid WC tablet according to the present invention, subsequently effecting a complete cleaning of the basin and then using it for a further 9 days in the presence of the solid WC tablet according to the present invention.
  • the tests described and illustrated above lead to the conclusion that the strains of Bacillus subtilis and licheniformis used in the solid WC tablet according to the present invention adhere to the whole surface of the toilet basin, causing a reduction in gram-negative micro-organisms in all the tests effected, on both laboratory models and on the toilet basins of end-users, with a maximum average reduction equal to 83.4% in the laboratory model and an average reduction equal to 53.5% in the basin of a French user and 50.9% in the basin of an English user.
  • a solid WC tablet characterized by the following chemical composition Sodium dodecylbenzenesulfonate 45% by weight Sodium carbonate 38.726% by weight Anhydrous sodium sulfate 9.0% by weight Mixture of Bacillus spp 1.0% by weight Perfume 4.0% by weight Triclosan 0.024% by weight Polyethylene glycol 2.0% by weight Dye 0.008% by weight Water 0.242% by weight was subjected to the same tests effected on the solid WC tablet of Example 1, obtaining analogous results which lead to the conclusion that also for this formulation the strains of Bacillus spp used in the solid WC tablet according to the present invention adhere to the whole surface of the toilet basin, causing a reduction in gram-negative micro-organisms in all the tests effected, on both laboratory models and on the toilet basins of end-users.

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  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Wood Science & Technology (AREA)
  • Organic Chemistry (AREA)
  • Microbiology (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
  • Detergent Compositions (AREA)
EP08101704A 2007-02-23 2008-02-18 Zusammensetzung für Wasserklosetts mit Dauerwirkung Withdrawn EP1967578A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITMI20070356 ITMI20070356A1 (it) 2007-02-23 2007-02-23 Composizione per wc ad azione continuata

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EP1967578A1 true EP1967578A1 (de) 2008-09-10

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010130541A1 (de) * 2009-05-12 2010-11-18 Henkel Ag & Co. Kgaa Probiotischer reiniger für harte oberflächen
GB2484134A (en) * 2010-10-01 2012-04-04 Cleveland Biotech Ltd Probiotic cleaning composition containing bacillus spores
GB2495989A (en) * 2011-10-28 2013-05-01 Jeyes Group Ltd Composition for treating surfaces
EP2759590A1 (de) * 2013-01-25 2014-07-30 Pollet S.A. Reinigungs- und Desodorierungszusammensetzungen und -verfahren
BE1021640B1 (fr) * 2013-01-25 2015-12-22 Pollet S.A. Compositions et procedes de nettoyage et de desodorisation
WO2016170479A1 (en) * 2015-04-22 2016-10-27 Copma S.C.A.R.L. Product for cleaning, sanitizing and hygienization
CN113913251A (zh) * 2021-09-16 2022-01-11 安徽克菱保健科技有限公司 一种洗涤餐具用微生物洗涤片

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0245560A1 (de) * 1986-03-20 1987-11-19 Sybron Chemical Industries Inc. Flüssiges lebensfähige Mikroorganismen enthaltendes Reinigungsmittel
US5863882A (en) * 1996-01-16 1999-01-26 Sybron Chemical Holdings, Inc. Cleaner and sanitizer formulation
GB2335925A (en) * 1998-04-01 1999-10-06 Chemiphase Limited Cleaning product
GB2362814A (en) * 2000-06-02 2001-12-05 Anthony Philip Hinman Urinal cleaning method using a cleaning composition containing a bacteria or an enzyme
WO2003002704A1 (en) * 2001-06-27 2003-01-09 Spartan Chemical Company, Inc. Cleaning composition containing an organic acid and a spore forming microbial composition
WO2003018734A1 (en) * 2001-08-23 2003-03-06 Treyco Supply Inc Enzymatic cleaner having high ph stability
WO2003064755A2 (en) * 2002-01-29 2003-08-07 Life Science Tgo, Srl Aqueous odor control composition

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0245560A1 (de) * 1986-03-20 1987-11-19 Sybron Chemical Industries Inc. Flüssiges lebensfähige Mikroorganismen enthaltendes Reinigungsmittel
US5863882A (en) * 1996-01-16 1999-01-26 Sybron Chemical Holdings, Inc. Cleaner and sanitizer formulation
GB2335925A (en) * 1998-04-01 1999-10-06 Chemiphase Limited Cleaning product
GB2362814A (en) * 2000-06-02 2001-12-05 Anthony Philip Hinman Urinal cleaning method using a cleaning composition containing a bacteria or an enzyme
WO2003002704A1 (en) * 2001-06-27 2003-01-09 Spartan Chemical Company, Inc. Cleaning composition containing an organic acid and a spore forming microbial composition
WO2003018734A1 (en) * 2001-08-23 2003-03-06 Treyco Supply Inc Enzymatic cleaner having high ph stability
WO2003064755A2 (en) * 2002-01-29 2003-08-07 Life Science Tgo, Srl Aqueous odor control composition

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010130541A1 (de) * 2009-05-12 2010-11-18 Henkel Ag & Co. Kgaa Probiotischer reiniger für harte oberflächen
GB2484134A (en) * 2010-10-01 2012-04-04 Cleveland Biotech Ltd Probiotic cleaning composition containing bacillus spores
GB2484134B (en) * 2010-10-01 2013-01-30 Cleveland Biotech Ltd Cleaning compositions
US8801864B2 (en) 2010-10-01 2014-08-12 Cleveland Biotech Limited Cleaning compositions
GB2495989A (en) * 2011-10-28 2013-05-01 Jeyes Group Ltd Composition for treating surfaces
GB2495989B (en) * 2011-10-28 2017-04-12 Jeyes Group Ltd Dispensing device for dispensing a self-adhering composition for treating surfaces
EP2759590A1 (de) * 2013-01-25 2014-07-30 Pollet S.A. Reinigungs- und Desodorierungszusammensetzungen und -verfahren
BE1021640B1 (fr) * 2013-01-25 2015-12-22 Pollet S.A. Compositions et procedes de nettoyage et de desodorisation
WO2016170479A1 (en) * 2015-04-22 2016-10-27 Copma S.C.A.R.L. Product for cleaning, sanitizing and hygienization
EA037468B1 (ru) * 2015-04-22 2021-03-31 Копма С.К.А.Р.Л. Способ, раствор и продукт для очистки, обеззараживания и гигиенической обработки контаминированной поверхности и применение указанных раствора и продукта
EA037468B9 (ru) * 2015-04-22 2021-05-27 Копма С.К.А.Р.Л. Способ, раствор и продукт для очистки, обеззараживания и гигиенической обработки контаминированной поверхности и применение указанных раствора и продукта
CN113913251A (zh) * 2021-09-16 2022-01-11 安徽克菱保健科技有限公司 一种洗涤餐具用微生物洗涤片

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