WO1993009213A1 - Agent de nettoyage et d'assainissement non toxique - Google Patents

Agent de nettoyage et d'assainissement non toxique Download PDF

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Publication number
WO1993009213A1
WO1993009213A1 PCT/US1991/008336 US9108336W WO9309213A1 WO 1993009213 A1 WO1993009213 A1 WO 1993009213A1 US 9108336 W US9108336 W US 9108336W WO 9309213 A1 WO9309213 A1 WO 9309213A1
Authority
WO
WIPO (PCT)
Prior art keywords
composition
sanitizing
solution
water
acid
Prior art date
Application number
PCT/US1991/008336
Other languages
English (en)
Inventor
Robert Regutti
Original Assignee
Gycor International Ltd.
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Gycor International Ltd. filed Critical Gycor International Ltd.
Priority to PCT/US1991/008336 priority Critical patent/WO1993009213A1/fr
Publication of WO1993009213A1 publication Critical patent/WO1993009213A1/fr

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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00—Cosmetics or similar toiletry preparations
    • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
    • A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
    • A61K8/33—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing oxygen
    • A61K8/36—Carboxylic acids; Salts or anhydrides thereof
    • A61K8/365—Hydroxycarboxylic acids; Ketocarboxylic acids
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00—Cosmetics or similar toiletry preparations
    • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
    • A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
    • A61K8/46—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing sulfur
    • A61K8/463—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing sulfur containing sulfuric acid derivatives, e.g. sodium lauryl sulfate
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
    • A61Q17/00—Barrier preparations; Preparations brought into direct contact with the skin for affording protection against external influences, e.g. sunlight, X-rays or other harmful rays, corrosive materials, bacteria or insect stings
    • A61Q17/005—Antimicrobial preparations
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
    • A61Q19/00—Preparations for care of the skin
    • A61Q19/10—Washing or bathing preparations
    • 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
    • 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
    • C11D3/20—Organic compounds containing oxygen
    • C11D3/2075—Carboxylic acids-salts thereof
    • C11D3/2086—Hydroxy carboxylic 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
    • C11D3/33—Amino carboxylic acids
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K2800/00—Properties of cosmetic compositions or active ingredients thereof or formulation aids used therein and process related aspects
    • A61K2800/40—Chemical, physico-chemical or functional or structural properties of particular ingredients
    • A61K2800/51—Chelating agents
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K2800/00—Properties of cosmetic compositions or active ingredients thereof or formulation aids used therein and process related aspects
    • A61K2800/40—Chemical, physico-chemical or functional or structural properties of particular ingredients
    • A61K2800/52—Stabilizers

Definitions

  • the present invention relates generally to antimicrobial preparations and to such preparations which are capable of cleaning surfaces.
  • a sanitizing preparation is desirable to remove microorganisms from the skin of a person by applying the preparation in the form of a lotion, ointment or salve directly to the skin.
  • sanitizing preparations In such applications, it is desirable to kill the microorganisms on such surfaces and thereafter remove the remnants of the organism by a cleaning process.
  • most sanitizing preparations have killing power, but little cleaning power.
  • the sanitizing preparations used in the past generally contain caustic or toxic ingredients and must be rinsed off with water, or isolated from the skin of the person applying it, such as with gloves.
  • the commonly used sanitizing preparations are based on chlorine, iodine or quaternary compounds, and require care in applying the preparation and present a storage and health hazard.
  • an organic acid with a pH less than three is utilized as an ingredient of the preparation according to the present invention.
  • the direct kill rate of certain important bacterial organisms is increased by applying a preparation to such surfaces which adds a chelating agent to the organic acid. Further, the direct kill rate of the preparation is further increased to exceed that of chlorine by the addition of a surfactant.
  • a preparation with an organic acid, chelating agent and surfactant functions as an effective cleaning agent. Further, the inventor has found that the ingredients of this composition may be selected of noncaustic and nontoxic materials, and the resulting sanitizing cleaner is itself noncaustic and nontoxic.
  • the organic acid must have a pH less than three, and creates an inhospitable environment for microorganisms. Not all microorganisms will be killed by the organic acid alone, and the addition of a chelating agent expands the organisms that will be killed by the composition and increases the kill rate. It is believed that the chelating agent functions by tying up the metals .and making them unavailable to the microorganism. Microorganisms require metals to carry out normal functions, and the effect of the chelating agent is
  • the preparation utilizes a surfactant to wet the surfaces that are subjected to the preparation and facilitate cleaning of those surfaces.
  • the surfactant not only facilitates use of the preparation as a cleaner, but it also affects the kill rate of microorganisms. It is believed that the surfactant effects the outer protective membrane of the microorganism, and creates openings for the entry of the preparation into the microorganism to expedite the reaction of the ingredients of the preparation on
  • the surfactant causes the microorganism to leak protoplasm, thus reducing its defenses and impeding its ability to reproduce.
  • the kill rate can be increased by the addition of a buffering agent to the preparation. It is believed that the buffering agent maintains the hydrogen potential of the composition constant, thus accelerating the reaction of the preparation.
  • Organic acids are available which also have a chelating function, although a weaker function than available chelating agents.
  • surfactants are available which have a chelating function, although a weak function. It is thus possible to optimize the chelating function by selecting an organic acid and surfactant which will contribute to the chelating function.
  • Water may be added to the preparation to form a solution, and it has been found that a highly dilute solution of a preparation consisting of about 85% to 98% of an organic acid, about 0.2% to about 10% of a chelating agent, and about 0.2% to about 5% of a surfactant, by weight, will function as a sanitizing cleaner.
  • a solution of between about 0.2% and 5% of the preparation to between about 99-8% to 95% water by weight has been found to be effective- The solution will be more effective with a preparation containing between about 0.2% to about 5% of a buffering agent by weight.
  • the preparation may also be combined with a lotion and used as a hand cleaner .
  • a water based lotion is particularly desirable since it also functions as a moisturizer.
  • a combination of as little as about 1% of the preparation to about 99% water based lotion has been found to produce a sanitizing and cleaning lotion which also moisturizes the skin.
  • citric acid has been preferred for use in the applications set forth above.
  • Other organic acids which are suitable for practicing the invention are fumaric acid, tartaric acid, malic acid, lactic acid, and adipic acid, and mixtures of the enumerated acids-
  • EDTA disodium ethylenediaminetetraacetate dihydrate
  • Other chelating agents suitable for practicing the invention are salicylic acid, polyphosphates, ascorbic acid and blends of these enumerated chelating agents. Even citric acid, a hydroxypolycarboxylic acid, acts as a chelating agent in this nontoxic sanitizing cleaner.
  • the preparation requires an anionic surfactant, and the preferred surfactants are sodium lauryl sulfate or ammonium lauryl sulfate.
  • Suitable surfactants for practicing the invention are the sarcosinates, particularly sodium lauryl sarcosinate, the sulfoacetates, particularly sodium lauryl sulfoacetate, the sulfosuccinates, particularly disodium monoaleanida or laureth sulfosuccinate, or blends of the enumerated surfactants.
  • the buffering agent should have a pH less than about 5.
  • the preparation is a mixture of citric acid, disodium ethylenediaminetetraacetate dihydrate (EDTA), sodium lauryl sulfate and monosodium phosphate.
  • EDTA disodium ethylenediaminetetraacetate dihydrate
  • This preparation has been found to be very effective against pseudomonas, staphylococcus and salmonella, as well as the saccharomyces bailii yeast. It is believed that one of the reasons for the effectiveness of this preparation is the fact that citric acid and sodium lauryl sulfate both function as mild chelating agents, and the chelating effect of these ingredients is additive with that of EDTA.
  • the organic acid must be sufficiently acidic to produce a pH for the preparation as a whole less than 3, and preferably in the range of 2.0 to 2.3.
  • the organic acid is citric acid having a formula C5I ⁇ 8O7 obtained in anhydrous crystaline form.
  • the chelating agent is EDTA, also known as disodium ethylenediaminetetraacetate dinydrate, marketed by W.R. Grace & Co. under the name HAMP-ENE Na (2). EDTA is obtained in crystaline powder form.
  • the surfactant is sodium lauryl sulfate obtained from Stepan Distributors under the trade name STEPANOL ME-DRY. The sodium lauryl sulfate is obtained in dry powder form.
  • the buffering agent is monosodium phosphate with a formula NaH 2 PO 4 .
  • the monosodium phosphate is obtained in dry powder form from Harcros Chemicals, Inc. under the trade name PHOS SODA MONO ANHY GRAN.
  • citric acid constitutes 85% to 96% of the dry preparation
  • EDTA constitutes 0.2% to 10% of the dry preparation
  • sodium lauryl sulfate constitutes 0.2% to 5% of the preparation by weight.
  • the preferred buffering agent for use in the preparation is monosodium phosphate, and the monosodium phosphate constitutes 0.2% to 5% of the preparation by weight-
  • the dry ingredients are dissolved in water, preferably deionized water, and the proportion of the dry preparation to water is between 0.3% and 5% preparation to between 95% and 99.7% water, by weight.
  • a dilute solution was produced by adding water to the mixture in the proportion of 99.2% water to 0.8% mixture by weight. The mixture was dissolved in the water to produce a stable solution.
  • the solution prepared as set forth above was compared with bleach (NaOCl) to determine the sanitizing effectiveness of the solution. The solution was found to be more effective than a 200 parts per million solution of NaOCl and water against pseudomonas aeruqinosa, staphylococcus aureus, and salmonella typhimurium as well as saccharomyces bailii yeast. The solution was also tested as a cleaner by
  • a dilute solution was produced by adding deionized water to the mixture in the proportion of 99.2% water to 0.8% mixture by weight. The mixture was dissolved in the water to produce a stable solution.
  • Example 2 The solution was compared to a bleach (NaOCl) solution to determine the sanitizing effectiveness of the solution in the same manner as described with respect to Example 1.
  • the solution of Example 2 was also found to be more effective than a 200 parts per million solution of NaOCl and water against pseudomonas aeruqinosa, staphylococcus aureus, salmonella typhimurium and saccharomyces bailii.
  • the solution was also tested as a cleaner by applying it in liquid form to a surface contaminated with dried milk, and the liquid and contamination was wiped with a paper wipe from the surface. The solution was observed to have cleaned the surface of dried milk. It has been tested successfully as a CIP ⁇ clean in place system in beverage lines and in dairy machines, milk shake and ice cream freezers.
  • a dry mixture of nontoxic sanitizing cleaner consisting of the mixture of Example 1 hereof was mixed with water to form a 2.0% solution.
  • Mineral oil, glycerine, and stearyl alcohol were brought to a low heat and mixed under constant slow agitation.
  • sanitizing solution was added to the heated mixture under agitation- The agitation continued until the mixture cooled to the ambient temperature.
  • Cetyl alcohol may be substituted for stearyl alcohol in the above mixture. Also, a perfume may be added, to the desired aroma level, to give the lotion a desired scent.
  • the lotion produced by the above-disclosed process possesses all of the sanitizing effectiveness of the solution of Example 1. This lotion, however, has the added benefit of being an effective moisturizer.
  • a dry mixture of nontoxic sanitizing cleaner consisting of the mixture of Example 2 hereof was mixed with water to form a 2.3% solution.
  • Mineral oil, olive oil. stearyl alcohol and trietbanolamine were mixed together and heated to 140 degrees Fahrenheit under agitation.
  • the 2.3% sanitizing solution was added to the heated, agitated mixture.
  • the resultant mixture was allowed to cool slowly to the ambient temperature.
  • composition 1.0%
  • the lotion produced by the above-disclosed process possesses all of the sanitizing effectiveness of the solutions disclosed in Example 1 and Example 2. This lotion, however, has the added benefit of being an effective moisturizer.
  • a solution of water and a mixture of an organic acid, chelating agent, and surfactant will be an effective sanitizer if the mixture is at least 0.8% of the solution and the water is not more than 99.2% of the solution by weight.
  • the solution water and a mixture of organic acid, chelating agent, and surfactant contains between about 1% and 5% mixture to between about 99% and 95% water by weight. If a buffering agent, such as monosodium phosphate, is an ingredient of the mixture, the same ratio of mixture to water by weight applies.
  • a preferred mixture is as follows:
  • this mixture is preferably mixed with 98% deionized or distilled water by weight to form a 2% solution.
  • a 2% solution has been found to be effective as a sanitizer and cleaner of hard surfaces.
  • this mixture can be incorporated in a water based lotion with the ingredients constituting 2% of the total and the lot constituting 98% of the total by weight.
  • the inventor has found that by blending dry
  • ionizing salts such as sodium chloride or potassium
  • the nontoxic sanitizing cleaner such as a dry powder blend
  • the added salt sodium chloride or potassium chloride
  • Ordinary tap water can vary greatly in grains of hardness (metal salts) which may chemically tie up some of the chelation potential of the sanitizing cleaner without added salt. Therefore, the addition of ionizing salt or salts helps to prevent a completion of this chemical reaction. Also, such ionization salts have an additive effect to accelerate the killing of microorganisms.
  • ratios of nontoxic sanitizing cleaner, powder form, to salt, either sodium or potassium chloride can be varied and is effective as such ratios 1:1, 2:1, 1:2, 1:3 These are the preferable ratios, other ratios can also be effective pending on the hardness of the water.
  • TThhee aaddddiittiioonn ooff salt, sodium chloride or potassium chioride, to sanitizing cleaner blend is preferred when using tap water (ordinary) rather than deionized or distilled water in any of the examples.

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Emergency Medicine (AREA)
  • Public Health (AREA)
  • Wood Science & Technology (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Veterinary Medicine (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Epidemiology (AREA)
  • Birds (AREA)
  • Dermatology (AREA)
  • Cosmetics (AREA)
  • Detergent Compositions (AREA)
  • Medicinal Preparation (AREA)

Abstract

L'invention concerne un agent de nettoyage et d'assainissement non toxique comprenant un acide organique possédant un niveau de pH inférieur à 3, un agent chélatant et un tensioactif. L'invention concerne également un agent de tamponnage inclus dans l'agent de nettoyage. Dans un mode préféré de réalisation, l'agent de nettoyage et d'assainissement se présente sous la forme d'une solution contenant 94 % en poids d'acide citrique, 4 % en poids de EDTA, 1 % en poids de sulfate laurique de sodium et 1 % en poids de phosphate de monosodium.
PCT/US1991/008336 1991-11-07 1991-11-07 Agent de nettoyage et d'assainissement non toxique WO1993009213A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/US1991/008336 WO1993009213A1 (fr) 1991-11-07 1991-11-07 Agent de nettoyage et d'assainissement non toxique

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/US1991/008336 WO1993009213A1 (fr) 1991-11-07 1991-11-07 Agent de nettoyage et d'assainissement non toxique

Publications (1)

Publication Number Publication Date
WO1993009213A1 true WO1993009213A1 (fr) 1993-05-13

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Country Status (1)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1995003032A1 (fr) * 1993-07-26 1995-02-02 Unilever Plc Composition cosmetique contenant des acides
US6197738B1 (en) * 1990-08-02 2001-03-06 Robert R. Regutti Nontoxic sanitizing cleanser based on organic acids and methods of using same
DE10237227A1 (de) * 2002-08-14 2004-02-26 Bode Chemie Gmbh & Co. Kg Verwendung von Vitamin C und/oder seinen Derivaten als antivirale Wirkstoffe in alkoholischen Desinfektionsmitteln
EP2039750A1 (fr) 2007-09-21 2009-03-25 Brauns-Heitmann GmbH & Co. KG Mélange de décalquage, de nettoyage et/ou de désinfection

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3211659A (en) * 1961-10-02 1965-10-12 Purex Corp Ltd Process and compositions for cleaning shell eggs
US3915633A (en) * 1972-09-21 1975-10-28 Colgate Palmolive Co Complexing acid pre-wash composition and method
WO1981001969A1 (fr) * 1980-01-14 1981-07-23 R Ibsen Nettoyage de dentiers
US4749508A (en) * 1985-02-05 1988-06-07 Kay Chemical Company Floor cleaning compositions and their use
US4776974A (en) * 1986-03-17 1988-10-11 Diversey Wyandotte Corporation Stable antimicrobial sanitizing composition concentrates containing alkyl amine oxides

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3211659A (en) * 1961-10-02 1965-10-12 Purex Corp Ltd Process and compositions for cleaning shell eggs
US3915633A (en) * 1972-09-21 1975-10-28 Colgate Palmolive Co Complexing acid pre-wash composition and method
WO1981001969A1 (fr) * 1980-01-14 1981-07-23 R Ibsen Nettoyage de dentiers
US4749508A (en) * 1985-02-05 1988-06-07 Kay Chemical Company Floor cleaning compositions and their use
US4776974A (en) * 1986-03-17 1988-10-11 Diversey Wyandotte Corporation Stable antimicrobial sanitizing composition concentrates containing alkyl amine oxides

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6197738B1 (en) * 1990-08-02 2001-03-06 Robert R. Regutti Nontoxic sanitizing cleanser based on organic acids and methods of using same
WO1995003032A1 (fr) * 1993-07-26 1995-02-02 Unilever Plc Composition cosmetique contenant des acides
DE10237227A1 (de) * 2002-08-14 2004-02-26 Bode Chemie Gmbh & Co. Kg Verwendung von Vitamin C und/oder seinen Derivaten als antivirale Wirkstoffe in alkoholischen Desinfektionsmitteln
EP2039750A1 (fr) 2007-09-21 2009-03-25 Brauns-Heitmann GmbH & Co. KG Mélange de décalquage, de nettoyage et/ou de désinfection
DE102007045210A1 (de) * 2007-09-21 2009-04-02 Brauns-Heitmann Gmbh & Co. Kg Mischung zum Entkalken, Reinigen und/oder Desinfizieren
EP2098587A1 (fr) * 2007-09-21 2009-09-09 Brauns-Heitmann GmbH & Co. KG Mélange de décalquage, de nettoyage et/ou de désinfection

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