EP0926954A1 - Compositions antimicrobiennes - Google Patents

Compositions antimicrobiennes

Info

Publication number
EP0926954A1
EP0926954A1 EP97901396A EP97901396A EP0926954A1 EP 0926954 A1 EP0926954 A1 EP 0926954A1 EP 97901396 A EP97901396 A EP 97901396A EP 97901396 A EP97901396 A EP 97901396A EP 0926954 A1 EP0926954 A1 EP 0926954A1
Authority
EP
European Patent Office
Prior art keywords
antimicrobial
ointment
acid
test
weight
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.)
Ceased
Application number
EP97901396A
Other languages
German (de)
English (en)
Inventor
Jeffrey F. Andrews
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.)
3M Co
Original Assignee
Minnesota Mining and Manufacturing Co
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 Minnesota Mining and Manufacturing Co filed Critical Minnesota Mining and Manufacturing Co
Publication of EP0926954A1 publication Critical patent/EP0926954A1/fr
Ceased legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K31/00—Medicinal preparations containing organic active ingredients
    • A61K31/21—Esters, e.g. nitroglycerine, selenocyanates
    • A61K31/215—Esters, e.g. nitroglycerine, selenocyanates of carboxylic acids
    • A61K31/22—Esters, e.g. nitroglycerine, selenocyanates of carboxylic acids of acyclic acids, e.g. pravastatin
    • A61K31/23—Esters, e.g. nitroglycerine, selenocyanates of carboxylic acids of acyclic acids, e.g. pravastatin of acids having a carboxyl group bound to a chain of seven or more carbon atoms
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N37/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids
    • A01N37/12—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids containing the group, wherein Cn means a carbon skeleton not containing a ring; Thio analogues thereof
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K9/00—Medicinal preparations characterised by special physical form
    • A61K9/0012—Galenical forms characterised by the site of application
    • A61K9/0041—Mammary glands, e.g. breasts, udder; Intramammary administration
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P31/00—Antiinfectives, i.e. antibiotics, antiseptics, chemotherapeutics
    • A61P31/04—Antibacterial agents

Definitions

  • This invention relates to antimicrobial compositions useful for topical application to an animal's skin to kill infectious microorganisms and moisturize the animal's skin.
  • Lotions, salves and the like can be applied to the skin for various restorative purposes.
  • lotions may be used to condition or moisturize the texture of dry skin, or they may have antimicrobial properties to prevent or to treat infections.
  • a diverse range of products is potentially available for human and veterinary use.
  • Cows are susceptible to mastitis
  • cow teat skin is susceptible to drying.
  • various "teat dips" are available for treatment of cow teats to prevent bacterial colonization.
  • Available teat dips include aqueous carriers (or vehicles) which can cause frostbite and skin damage in cold weather. Consequently, the use of teat dips is often interrupted during cold weather, increasing the likelihood of bacterial colonization of cow teats, resulting in bovine mastitis.
  • the invention involves an antimicrobial ointment including an antimicrobial fatty acid monoester of a polyhydroxy alcohol, an ointment vehicle composition including petrolatum, and a chelating agent.
  • the polyhydroxy alcohol used to form the antimicrobial monoester preferably is selected from the group consisting of glycerol, propylene glycol and saccharides.
  • the fatty acid used to form the antimicrobial monoester preferably is selected from the group consisting of caproic acid, heptanoic acid, caprylic acid, capric acid, undecanoic acid and lauric acid.
  • Particularly preferred monoesters include glycerol monolaurate and propylene glycol monocaprylate.
  • the antimicrobial ointment preferably includes at least about 25% by weight of petrolatum and more preferably at least about 50% by weight of petrolatum.
  • the antimicrobial ointment preferably includes between about 0.1% and about 10% by weight of the fatty acid monoester of a polyhydroxy alcohol.
  • a preferred antimicrobial ointment of the invention also includes at least about 0.1% by weight of a chelating agent, with lactic acid being a preferred chelating agent.
  • the antimicrobial ointment may include at least about 1% by weight of a viscosity modifying agent.
  • the antimicrobial ointment may also include at least about 0.5% by weight of an inactive emollient.
  • the antimicrobial ointment may include at least about 1% by weight of wax.
  • the antimicrobial ointment may similarly include at least about 0.5% by weight of cetyl alcohol.
  • a preferred antimicrobial ointment of the invention includes in percent by weight at least about 0.1% glyceryl monolaurate, at least about 0.1% propylene glycol monolaurate, at least about 0.1% lactic acid, and at least about 1% wax.
  • Preferred antimicrobial ointments of the invention produce at least about a 10 5 fold reduction in colony forming units of bacteria in an in vitro bacterial kill test. Similarly, preferred antimicrobial ointments of the invention produce at least about a ten (10) fold reduction in Streptococcus uberis contamination eight hours following application to cow teat skin.
  • the invention involves a method of producing an antimicrobial composition including the steps of (a) melting a vehicle composition comprising petrolatum, waxes or a mixture thereof; and (b) adding (1) an antimicrobial fatty acid monoester of a polyhydroxy alcohol, and (2) a chelating agent to the melt to form a melt mixture, the melt mixture forming the antimicrobial ointment upon cooling.
  • a preferred antimicrobial ointment produced by this method includes at least about 25% by weight of the vehicle composition and between about 0.1% and about 10% by weight of the monoester.
  • the vehicle composition preferably includes petrolatum.
  • the invention in another aspect, involves a method of treating a bovine teat comprising the step of applying to skin of the bovine teat an antimicrobial composition including (a) an antimicrobial fatty acid monoester of a polyhydroxy alcohol; (b) a chelating agent; and (c) a vehicle composition, wherein the vehicle composition is effectively water insoluble.
  • the treatment method generally is effective at preventing bacterial colonization of bovine teats as well as at preventing drying of the skin of the teat.
  • the preferred antimicrobial composition for use in the treatment method includes between about 0.1% and about 10% by weight of the monoester, wherein the polyhydroxy alcohol is selected from the group consisting of glycerol, propylene glycol and saccharides, and wherein the fatty acid is selected from the group consisting of caproic acid, heptanoic acid, caprylic acid, capric acid, undecanoic acid and lauric acid.
  • the antimicrobial compositions of the invention have significant advantages with respect to moisturizing and skin conditioning capabilities over aqueous teat dips commercially available for preventing bovine mastitis.
  • the antimicrobial compositions are effective against both bacteria and viruses.
  • the products of the invention can be produced with a wide range of consistencies to give the consumer a variety of choices for applying the product.
  • a significant advantage of the compositions is that they can be applied to farm animals during cold weather without risk of frostbite. Other advantages will be apparent from the detailed description and claims.
  • the invention involves antimicrobial compositions useful for treating skin to prevent or to cure infection and/or dryness.
  • the invention combines an antimicrobial agent and a chelating agent within an ointment vehicle.
  • the antimicrobial ointments include at least one antimicrobial monoester as an antimicrobial agent.
  • the chelating agent is included as a further synergistic component with respect to the antimicrobial properties of the composition. Additional compounds may be added to modify the emollient properties, the rheology, the aesthetic properties and other aspects of the ointment.
  • the preferred active antimicrobial agents are fatty acid monoesters of polyhydroxy alcohols.
  • the antimicrobial ointment typically has between 0.01% and 20% by weight of the antimicrobial monoesters, preferably between 0.1% and 10% and more preferably between 0.5% and 5% by weight of the antimicrobial monoesters.
  • Appropriate polyhydroxy alcohols suitable for use as a component within the antimicrobial monoesters include glycerol, propylene glycol, polyalkylene glycol such as polyethylene glycol and polypropylene glycol, polyglycerol, and saccharides. Saccharides include monosaccharides such as glucose, disaccharides such as sucrose and polysaccharides such as starch. Preferred polyhydroxy alcohols have less than about eight carbon atoms. Glycerol and propylene glycol are particularly preferred polyhydroxy alcohols for the formation of antimicrobial esters for use in ointments of the invention.
  • Appropriate fatty acids suitable for use as a component within the antimicrobial monoesters include straight and branched carboxylic acids with greater than about six carbon atoms.
  • the carbon chains of the fatty acids may be saturated, monounsaturated or polyunsaturated.
  • Preferred fatty acids have between about six carbon atoms and about 24 carbon atoms, and more preferably between about 8 carbon atoms and about 16 carbon atoms.
  • preferred fatty acids include straight chained, saturated fatty acids.
  • a combination of more than one fatty acid monoester of a polyhydroxy alcohol may be desirable to use.
  • the combination of two or more monoesters can provide a broader range of antimicrobial activity relative to a single monoester.
  • Preferred combinations include two or more monoesters of straight chained, saturated fatty acids, with between about six carbon atoms and about twelve carbon atoms.
  • Particularly preferred saturated fatty acids for incorporation into the monoesters include caproic, heptanoic, caprylic, pelargonic, capric, undecanoic, lauric, myristic, and palmitic. Further description of useful fatty acid monoesters may, for example, in U.S. Patent 5,378,731 and references therein.
  • the antimicrobial compositions of the invention contain a nonaqueous vehicle, or carrier, that is preferably water insoluble.
  • the nonaqueous vehicles generally may include organic and inorganic, oils and waxes.
  • Preferred nonaqueous vehicles include ointment vehicles, such as hydrocarbons, especially petrolatum.
  • Preferred antimicrobial ointments have at least about 25% by weight of petrolatum and more preferably at least about 50% by weight of petrolatum.
  • the present inventor has found that the antimicrobial monoesters when used in a petrolatum vehicle generally are as effective as currently available aqueous products.
  • Suitable chelating agents for use in the antimicrobial compositions of the present invention include those selected from the group consisting of ethylenedia ine tetraacetic (EDTA) acid and its salts, hydroxyalkanoic acids such as lactic acid and citric acid, polyphosphoric acid and its salts, acidic sodium hexametaphosphate (commercially available as SPORIX acidic sodium hexametaphosphate, from International Sourcing, Inc., Upper Saddle River, N.J.), and mixtures thereof. Lactic acid is a preferred chelating agent because it may advantageously function as both a chelator and a moisturizing agent in the composition of the present invention.
  • the antimicrobial composition generally includes an amount greater than about 0.1% by weight of chelating agent per quantity of antimicrobial ointment, preferably between 0.1% and 5% and more preferably between about 0.5% to about 2% by weight of chelating agent.
  • the antimicrobial compositions of the invention may contain emollients or moisturizers in addition to the antimicrobial fatty acid monoesters of polyhydroxy alcohols, which may also act as emollients, and the chelating agents, which may also act as a moisturizers (e.g., lactic acid).
  • emollients include cetyl alcohol, stearyl alcohol, lanolin, lanolin derivatives, isostearic acid, esters of isostearic acid, iso ⁇ tearyl alcohol, ethylene glycol esters, propylene glycol esters, emollient glycerides and the like.
  • An antimicrobial ointment of the invention when an emollient is used, generally includes greater than about 1% by weight of emollients, preferably between about 2% and 25% and more preferably between about 5% and 15% by weight of emollients.
  • the antimicrobial compositions of the invention may also include viscosity modifiers as inert ingredients.
  • the viscosity modifiers can be used to alter the properties of the ointment vehicle to be more suitable for a particular application. Some of the viscosity modifiers are also suitable for use as an ointment vehicle.
  • the viscosity modifiers are used to alter the viscosity and more generally the rheologic properties imparted to the antimicrobial ointment by the ointment vehicle.
  • Organic solvents may be used as viscosity modifiers as well as beeswax, paraffin, carnauba wax, polyethylene glycol, ethylene glycol monostearates, ethylene glycol distearates, mineral oil, and synthetic spermaceti wax.
  • the antimicrobial compositions when containing viscosity modifiers, generally include at least about 1% by weight of viscosity modifier and preferably between about 2% and about 20% by weight of viscosity modifier. The viscosity may be adjusted with such agents to produce a product for application in a particularly desired way.
  • the antimicrobial ointment optionally may include fragrance, fillers and other compounds to alter the cost and aesthetics of the ointment, including materials such
  • the antimicrobial compositions, including ointments, of the invention have a variety of uses for application to skin.
  • the antimicrobial compositions may be applied to human skin to prevent infections while moisturizing the skin.
  • the antimicrobial compositions may be used as a first aid product to treat cuts, scratches, abrasions and the like on animals and humans.
  • the composition may be used as a hoof moisturizer for horses and as a treatment for skin infections on dogs.
  • a preferred use of the antimicrobial composition involves application of the antimicrobial composition to cow teats to prevent bacterial colonization of teat skin while moisturizing the teat.
  • test ointment nonaqueous teat dip
  • Lauricidin TM (glyceryl monolaurate) was purchased from Med-Chem Laboratories Inc., Galena, IL.
  • the propylene glycol monocaprylate was purchased from Uniche a North America, Chicago, IL.
  • the white beeswax was purchased from ACROS Organics, Pittsburgh, PA.
  • Finsolv TNTM is a mixture of alkyl benzoates with the alkyl groups having chain lengths ranging between C 12 to C 15 purchased from
  • Ungerer Mask DD 49978 TM is a fragrance purchased from Ungerer, Inc. , Lincoln Park, NJ.
  • the white petrolatum was purchased from Pennsylvania Refining Co., Butler, PA.
  • the white petrolatum and the lanolin were added to a mixing tank.
  • the mixing tank was heated. Mixing was begun when the white petrolatum and the lanolin were partially melted.
  • the other ingredients were added sequentially in the following order: Finsolv TNTM, cetyl alcohol, Lauricidin TM, propylene glycol monocaprylate, white beeswax and lactic acid. Heating and mixing was continued while these other ingredients were added.
  • the mixture was heated to 160°F ⁇ 10°F (71°C ⁇ 6°C) to produce a clear liquid melt. Heating was stopped and mixing was continued while the mixture cooled. When the mixture had cooled to 120°F - 130°F (48.9°C - 54.4°C), the fragrance
  • Dr. Naylor is distributed by H.W. Naylor Co.
  • a 0.1 ml aliquot of the 24 hour bacterial culture suspension was added to a centrifuge tube containing 10 mis of antimicrobial ointment to form an ointment bacterial suspension (OBS) .
  • OBS ointment bacterial suspension
  • the antimicrobial ointment was softened in a water bath at 37°C to assist with the mixing of the OBS.
  • the OBS in the centrifuge tube was vortexed for 20 seconds and returned to the water bath after aliquots were removed.
  • a 1.0 ml aliquot of OBS was removed from the centrifuge tube both immediately after vortexing and 20 minutes after vortexing. Serial dilutions were performed with each 1.0 ml aliquot. To perform the first dilution, the 1.0 ml aliquot was placed in a test tube containing
  • Broth TM is a neutralizing agent to prevent further multiplication of bacteria, sold by Difco Laboratories.
  • the letheen broth was warmed prior to mixing to 37°C to maintain optimum mixing.
  • the tubes were vortexed.
  • test ointment had superior antimicrobial properties compared with the aqueous udder balms.
  • Cows were selected for normal teat size and structure. At the start of the test teats were washed and rinsed with alcohol. All teats then were dipped to about 3/4 length in a bacterial solution of S. uberis at a concentration of 1.0x10 7 bacteri.a/ml i.n mi.lk suspension. The teats were allowed to dry for ten minutes. Then, ointment vehicle without germicide (monoesters) was added to control teats (left side) and test ointment was added to test teats (right side) . Similarly, other cows were treated with Lauricare TM teat dip, an aqueous based product, on test teats (right side) with no treatment on the control teats (left side) .
  • Lauricare TM teat dip an aqueous based product
  • CFU's colony forming units
  • the inoculated plates were incubated at 35-37°C for 48 hours. The colonies were counted on plates having between 30 and 300 colonies per plate to determine the CFU's per ml.
  • the log reduction in bacteria from the test teats relative to bacteria from the control teats was calculated for each set of teats. The results from the rinse tests and the scrapping tests were averaged together. For each cow the results for the two left (control) teats and two right (test) teats also were averaged together. The results of the experiments, presented as percent reductions and log reductions in contamination, with the
  • the Bovine Herpes Mammillitis virus (strain New York 1, VR-845) was obtained from the American Tissue Type Collection, Rockville, MD.
  • the test medium was EaglesTM minimal essential medium (sold by Gibco-BRL, Grand Island, NY) supplemented with 2% (v/v) fetal bovine serum heat inactivated by heating to 56°C for 30 minutes.
  • the medium was also supplemented with 100 units/ml penicillin (sold by USB, Cleveland, OH), 10 ⁇ g/ml gentamicin and 2.5 ⁇ g/ml FungizoneTM (Amphotericin B sold by Sigma, St. Louis, MO) .
  • the virus was grown to a sufficiently high titer. Then, the cell debris was removed, and aliquots of the virus were stored at -70°C until use.
  • Viruses were exposed to the test ointment in suspension for exposure times of 1 minute (23°C) or 20 minutes (40°C) .
  • a l.Og quantity of test ointment was placed in a test tube along with a 0.5ml aliquot of virus suspension.
  • the mixture was vortexed for the entire one minute.
  • the mixture was vortexed for one minute and every four minutes thereafter.
  • the mixture was held at 40°C during exposure except during vortexing.
  • the mixture was titred using a series of 10-fold dilutions using Eagle's TM minimal essential medium. The series of dilutions were assayed for infectivity. Several controls were used.
  • a virus control included a 0.5 ml aliquot of virus suspension mixed with l.Og of test media.
  • Cytotoxicity controls included l.Og of test ointment mixed with 0.5 ml of Eagle's TM minimal essential medium.
  • a series of dilutions of the cytotoxicity control mixture was challenged with stock virus and assayed for infectivity in order to determine the dilution of the test ointment which has virucidal activity.
  • the experiments with the cytotoxicity control mixture were performed in the same way as the test ointments experiments.
  • Infectivity was determined using bovine kidney cell lines obtained from ViroMed Laboratories, Inc., Cell Culture Division. Cultures were grown and used as monolayers in disposable tissue culture labware. Dilutions of test mixtures and controls were inoculated into bovine kidney cell cultures in quadruplicate. The cells were inoculated with 100 ⁇ l of each dilution and incubated at 36-37°C in 5.1-6.5% C0 2 . The cells were observed for seven days for the presence of virus and/or cytotoxic effects. Bovine Herpes Mammillitis virus produces a typical cytopathic effect on bovine kidney cells.
  • TCID 5 o Tissue Culture Infectivity Dose
  • This example demonstrates the effectiveness of the test ointment for improving the skin condition of a cow's teat.
  • Cows in the study were selected for having normal teats and udders. Teat on a cow's right side were treated with the test ointment while the adjacent teats on the left side were untreated. Five cows were included in the study each with two test teats and two control teats. In other words, ten test teats and ten control teats were involved in the study.
  • the test ointment is applied twice daily following milking. The tests were performed during a relatively cold period. The temperature of the barn was about 40°F-50°F (4.4°C-10.0°C) with low humidity. There was a tendency for drying under these conditions.
  • the Teat End Keratin Evaluation involves a numerical evaluation of each teat based on the following numerical scale:
  • the dryness test (Table 5) demonstrates significant improvement over time for the treated teat compared with little improvement shown for the control teats.
  • the teat end scores showed approximately similar results for the treated and the control teats within the variability of the results.

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Veterinary Medicine (AREA)
  • Chemical & Material Sciences (AREA)
  • Public Health (AREA)
  • Medicinal Chemistry (AREA)
  • Animal Behavior & Ethology (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Epidemiology (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Plant Pathology (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Oncology (AREA)
  • Emergency Medicine (AREA)
  • Communicable Diseases (AREA)
  • Agronomy & Crop Science (AREA)
  • Pest Control & Pesticides (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Dentistry (AREA)
  • Wood Science & Technology (AREA)
  • Zoology (AREA)
  • Environmental Sciences (AREA)
  • Medicinal Preparation (AREA)
  • Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)

Abstract

La présente invention a trait à une composition antimicrobienne incluant un monoester d'acide gras d'un polyhydroxy alcool servant d'agent antimicrobien, un chélateur et une compositions vecteur insoluble dans l'eau telle que la vaseline. L'invention, qui concerne également un procédé d'élaboration de telles compositions, porte aussi sur une méthode concernant les soins à apporter aux tétons d'un bovin chez lequel on veut prévenir la survenue d'une mammite.
EP97901396A 1996-09-06 1997-01-07 Compositions antimicrobiennes Ceased EP0926954A1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US706729 1985-02-28
US70672996A 1996-09-06 1996-09-06
PCT/US1997/000276 WO1998009520A1 (fr) 1996-09-06 1997-01-07 Compositions antimicrobiennes

Publications (1)

Publication Number Publication Date
EP0926954A1 true EP0926954A1 (fr) 1999-07-07

Family

ID=24838816

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97901396A Ceased EP0926954A1 (fr) 1996-09-06 1997-01-07 Compositions antimicrobiennes

Country Status (5)

Country Link
EP (1) EP0926954A1 (fr)
JP (1) JP2001501181A (fr)
AU (1) AU1530697A (fr)
CA (1) CA2264286A1 (fr)
WO (1) WO1998009520A1 (fr)

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US7658959B2 (en) 2003-06-12 2010-02-09 Cargill, Incorporated Antimicrobial salt solutions for food safety applications
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WO2005047475A2 (fr) * 2003-11-11 2005-05-26 Regents Of The University Of Minnesota Regulation d'effets induits par la membrane cellulaire
MX2007000201A (es) 2004-06-30 2007-06-15 Nutrition Sciences Nv Acidos grados de cadena media aplicables como agentes antimicrobianos.
US8796332B2 (en) 2004-08-03 2014-08-05 Regents Of The University Of Minnesota Compositions and methods for controlling infections
US8198326B2 (en) 2004-09-07 2012-06-12 3M Innovative Properties Company Phenolic antiseptic compositions and methods of use
US9028852B2 (en) 2004-09-07 2015-05-12 3M Innovative Properties Company Cationic antiseptic compositions and methods of use
KR101232101B1 (ko) * 2005-01-19 2013-02-12 니뽄젠야쿠코교 가부시키가이샤 유방염용 주입제
BRPI0608691A2 (pt) 2005-03-10 2010-12-07 3M Innovative Properties Company composição antimicrobiana, e, métodos para matar ou inativar microorganismos em tecido da mucosa de um mamìfero, para tratar uma lesão ou ferimento infectado, para descolonização de microorganismos, para proporcionar eficácia antimicrobiana residual sobre uma superfìcie e para tratar uma condição
EP1858482B1 (fr) 2005-03-10 2014-04-23 3M Innovative Properties Company Methodes de reduction d'une contamination microbienne
BRPI1006184A2 (pt) 2009-03-27 2015-09-22 3M Innovative Properties Co "composição termoplástica, artigos, lençol cirúrgico, avental cirúrgico, material para contato com ferimento e método para a fabricação de uma composição"
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CA2968320A1 (fr) 2014-11-19 2016-05-26 Cassandra K JONES Composes d'attenuation chimique dans l'alimentation animale et ingredients pour l'alimentation animale

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PHILPOT ET AL.: "Hygiene in the prevention of udder infections- III Effectiveness of 59 teat dips for reducing bacterial populations on teat skin", JOURNAL OF DAIRY SCIENCE, vol. 58, no. 2, 1974, pages 209 - 216 *
See also references of WO9809520A1 *

Also Published As

Publication number Publication date
JP2001501181A (ja) 2001-01-30
AU1530697A (en) 1998-03-26
WO1998009520A1 (fr) 1998-03-12
CA2264286A1 (fr) 1998-03-12

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