WO2001010401A1 - Stable hydrogenated lupulone antibacterial oral compositions - Google Patents
Stable hydrogenated lupulone antibacterial oral compositions Download PDFInfo
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- WO2001010401A1 WO2001010401A1 PCT/US2000/020967 US0020967W WO0110401A1 WO 2001010401 A1 WO2001010401 A1 WO 2001010401A1 US 0020967 W US0020967 W US 0020967W WO 0110401 A1 WO0110401 A1 WO 0110401A1
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- weight
- oral composition
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- hydrogenated lupulone
- hydrogenated
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Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
- A61Q11/00—Preparations for care of the teeth, of the oral cavity or of dentures; Dentifrices, e.g. toothpastes; Mouth rinses
-
- 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
- A61K8/34—Alcohols
- A61K8/347—Phenols
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P1/00—Drugs for disorders of the alimentary tract or the digestive system
- A61P1/02—Stomatological preparations, e.g. drugs for caries, aphtae, periodontitis
-
- 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 a stable oral composition containing an effective antibacte ⁇ al amount of a hydrogenated lupulone derived from beer hops
- dental plaque is a soft deposit which forms on teeth as opposed to calculus which is a hard calcified deposit on teeth Unlike calculus, plaque may form on any part of the tooth surface, particularly at the gingival margin and is implicated in the occurrence of gingivitis Cationic antibacte ⁇ al compounds such as chlorhexidme, benzthonium chlo ⁇ de and cetyl py ⁇ dinium chlo ⁇ de have been used by the art as antibacte ⁇ al antiplaque agents in oral compositions
- such agents are generally not effective when there is also present in the oral composition an aniomc surfactant required for the effective performance of oral compositions such as toothpaste and mouth ⁇ nses
- Beta-acids also known as lupulones, de ⁇ ved from beer hops, are known to the art to exhibit antibactenal action in oral compositions
- hop extract resins such as lupulone and humulone
- hop acids such as tetrahydroisohumulone which inhibit gram positive bacte ⁇ a and plaque formation and penodontal disease Lupulones are also known to inhibit the growth of food pathogens, such as Listeria monocytogenes (US Patent Nos. 5,286,506; 5,455,038).
- hexahydrolupulone inhibits the growth of certain Lactobacilli (US Patent No. 5,082,975).
- Hydrogenated lupulones appear to be more active and stable than their non-hydrogenated parent compounds.
- hexahydrocolupulone is believed to be more antibacterial active than colupulone while hexahydrolupulone has been found to be more stable than lupulone.
- Hexahydrocolupulone can be made by the chemical hydrogenation of colupulone using a number of methods known in the art. For example, hydrogenation can be achieved with platinum (IV) oxide as a catalyst as described by Riedl (Ber. 89:1863 (1956) or by Carson (J. Am. Chem. Soc. 73:1850 (1951). A method for preparing hexahydrolupulone is described in US Patent No. 5,082,975.
- a stable oral composition containing a hydrogenated lupulone which composition is prepared by admixing (1) a solution of the hydrogenated lupulone in a flavor oil and an aliphatic alcohol such as ethanol with (2) humectant solution containing an anionic surfactant and adjusting the pH to a range of about 8.0 to about 0.5 to prepare a premix and then adding the premix to the other ingredients of the oral composition.
- hydrogenated lupulone includes within its meaning hydrogenated lupulones, derivatives and analogs thereof as well as pharmaceutically acceptable salts thereof. Hexahydrolupulone and hexahydrocolupulone and mixtures thereof are hydrogenated lupulones preferred in the practice of the present invention.
- the hydrogenated lupulone used to prepare oral compositions of the present invention such as dentifrices, gels and mouthrinses is incorporated in the oral composition in an effective antiplaque amount, typically in a range of about 0.003 to about 2%, preferably about 0.02 to about 1% by weight.
- a mixture of hydrogenated lupulones namely hexahydrolupulone (35% by weight) and hexahydrocolupulone (65% by weight) is available commercially from Haas Hop Products, Washington, D.C.
- the oral composition is a gel or paste
- such composition is prepared using an orally acceptable vehicle, including a water-phase with humectant which is preferably glycerine, sorbitol, an alkylene glycol or mixtures thereof wherein water is present typically in an amount of about 15 to about 40% by weight and glycerine, sorbitol and/or the alkylene glycol humectant typically total about 20 to about 75% by weight of the oral composition, more typically about 25 to about 60% by weight.
- humectant which is preferably glycerine, sorbitol, an alkylene glycol or mixtures thereof wherein water is present typically in an amount of about 15 to about 40% by weight and glycerine, sorbitol and/or the alkylene glycol humectant typically total about 20 to about 75% by weight of the oral composition, more typically about 25 to about 60% by weight.
- the vehicle of the oral paste or gel composition may also contain a dentally acceptable abrasive material such as sodium bicarbonate, sodium metaphosphate, potassium metaphosphate, tricalcium phosphate, dihydrated dicalcium phosphate, anhydrous dicalcium phosphate, calcium pyrophosphate, calcium carbonate, aluminum silicate, hydrated alumina, calcined alumina, silica, bentonite, and mixtures thereof.
- abrasive material is generally present in the paste or gel composition in weight concentrations of about 10% to about 60% by weight, preferably about 10% to about 30% in a gel and about 25% to about 60% in a paste.
- Toothpastes as well as gel dentifrices typically contain a natural or synthetic thickener or gelling agent in proportions of about 0.1 to about 10% by weight, preferably about 0.5 to about 5% by weight.
- Suitable thickeners or gelling agents include Irish moss, iota-carrageenan, kappa-carrageenan, gum tragacanth, starch, polyvinylpyrrolidone, hydroxyethyl propyl cellulose, hydroxybutyl methyl cellulose, hydroxypropyl methyl cellulose, hydroxyethyl cellulose, sodium carboxymethyl cellulose and silica thickeners such as Sylodent 15..
- the vehicle is typically a water- alcohol mixture.
- the weight ratio of water to alcohol is in the range of from about 3:1 to 10:1 and preferably about 4:1 to about 6:1.
- the alcohol is a non-toxic alcohol such as ethanol or isopropanol.
- a humectant such as glycerin, sorbitol or an alkylene glycol or mixtures thereof, may be present in amount of about 10 to about 40% by weight.
- Mouthrinses typically contain about 50 to about 85% of water, about 0 to 20% by weight of a non-toxic alcohol and about 10 to about 40% by weight of the humectant .
- Anionic surfactants are used in the oral compositions of the present invention to achieve increased prophylactic action and foaming. Unexpectedly, the presence of the anionic surfactant also plays a role in the stabilization of the hydrogenated lupulone. Suitable examples of anionic surfactants useful in the practice of the present invention include water- soluble salts of higher fatty acid monoglyceride monosulfates.
- alkyl sulfates such as sodium lauryl sulfate, alkyl aryl sulfonates such as sodium dodecyl benzene sulfonate, higher alkyl sulfoacetates, higher fatty acid esters of 1,2- dihydroxy propane sulfonate, and the substantially saturated higher aliphatic acyl amides of lower aliphatic amino carboxylic acid compounds, such as those having 12 to 16 carbons in the fatty acid, alkyl or acyl radicals and alkoyl taurines, and the like.
- amides and taurates are N-lauroyl sarcosine, and the sodium, potassium and ethanolamine salts of N-lauroyl, N-myristoyl, or N- palmitoyl sarcosine which should be substantially free from soap or similar higher fatty acid material as well as N-methyl-N-cocoyl (or oleoyl or palmitoyl) taurines.
- the anionic surfactant is present in the oral compositions of the present invention in an amount effective to stabilize the hydrogenated lupulone, which amount ranges from about 0.25 to about 3.0%? by weight and preferably about 0.5 to about 2.0% by weight.
- the hydrogenated lupulone on storage is observed to be unstable.
- fluoride salts to provide an anticaries effect
- the fluoride -ion providing salt is generally present in the oral composition at a concentration of about 0.0005 to about 3.0% by weight. Any suitable minimum amount of such salt may be used, but it is preferable to employ sufficient fluoride salt to release about 300 to 2.000 ppm, more preferably about 800 to about 1.500 ppm, of fluoride ion.
- Antitartar agents such as sodium tripolyphosphate. tetrapotassium or tetrasodium pyrophosphate, or mixtures thereof, may be present in the oral compositions of the present invention at concentrations from about 0.5 to about 8% by weight.
- Agents used to diminish teeth sensitivity such as potassium chloride, potassium nitrate and potassium citrate may also be included in oral compositions of the present invention at concentrations of about 0.1 to about 10% by weight.
- compositions of this invention including preservatives, such as sodium benzoate, peroxide whitening compounds vitamins and chlorophyll compounds. These adjuvants, when present, are incorporated in the compositions in amounts which do not substantially adversely affect the properties and characteristics desired.
- Flavoring oils useful in the practice of the present invention to dissolve the hydrogenated lupulone and to impart palatability to the oral composition include oil of spearmint, peppermint, wintergreen, sassafras, clove, sage, eucalyptus, cinnamon, lemon, and orange, and methyl salicylate.
- Sweetening agents may also be present and include sucrose, lactose, maltose, xylitol, sodium cyclamate, perillartine, aspartyl phenyl alanine methyl ester and saccharine.
- the flavor oil and sweetening agent each comprise from about 0.1% to 2% of the oral composition.
- Antibacterial agents in addition to the hydrogenated lupulone may be included in the oral composition of the present invention and particularly noncationic halogenated diphenyl ethers agents which are desirable from considerations of effectiveness and safety such as 2', 4,4' trichloro-2 hydroxy-diphenyl ether (Triclosan) and 2,2'-dihydroxy-5,5' dibromophenyl ether.
- the antibacterial agent when present in the oral composition is present in concentrations of about 0.05 to about 2% by weight and preferably 0.1 to about 1% by weight.
- Anionic polycarboxylate polymers having a molecular weight of about 1,000 to about 5,000,000, preferably about 30,000 to about 500,000 in the form of their free acids or preferably partially or more preferably fully neutralized water soluble alkali metal (e.g. potassium and preferably sodium) or ammonium salts are included in the hydrogenated lupulone containing oral composition of the present invention to enhance the antibacterial efficacy of the hydrogenated lupulone.
- anionic polycarboxylate polymers having a molecular weight of about 1,000 to about 5,000,000, preferably about 30,000 to about 500,000 in the form of their free acids or preferably partially or more preferably fully neutralized water soluble alkali metal (e.g. potassium and preferably sodium) or ammonium salts are included in the hydrogenated lupulone containing oral composition of the present invention to enhance the antibacterial efficacy of the hydrogenated lupulone.
- Preferred anionic polycarboxylate polymers are 1:4 to 4:1 copolymers of maleic anhydride or acid with another polymerizable ethylenically unsaturated monomer, preferably methyl vinyl ether/maleic anhydride having a molecular weight (M.W.) of about 30,000 to about 1,000,000, most preferably about 30,000 to about 500,000.
- M.W. molecular weight
- These copolymers are available, for example, under the trade designation Gantrez AN 139 (M.W. 500,000), AN 119 (M.W. 250,000); and preferably Gantrez S-97 Pharmaceutical Grade (M.W. 70,000), of GAF Corporation.'
- polycarboxylate polymers useful in the practice of the present invention are carboxyvinyl polymers commercially available, for example, under the trade designation Carbopol 934,940 and 941 from B.F. Goodrich, these polymers being comprised of a colloidally water-soluble polymer of polyacrylic acid crosslinked with from about 0.75% to about 2.0% of polyalkyl sucrose or polyalkyl pentaerythritol often with molecular weights of 4 to 5 million or more.
- the anionic polycarboxylate polymer when employed in the oral composition of the present invention is incorporated in the composition in amounts of about 0.05 to about 5%, preferably about 0.1 to about 3% by weight.
- a premix solution of the hydrogenated lupulone is prepared separately, wherein an aqueous solution containing about 2 to about 2.5% by weight of the anionic surfactant, preferably warmed to a temperature of 60 to 80°C, is admixed with an aqueous solution containing about 10 to about 15% by weight of one or more humectants such as glycerin, sorbitol or propylene glycol to provide a combined solution containing the hydrogenated lupulone in amounts of about 0.03 to about 0.3% by weight, the flavor oil in amounts of about 0.15 to about 1% by weight and an aliphatic alcohol such as ethanol or isopropanol in an amount of about 15 to about 25% by weight.
- the pH of the anionic surfactant preferably warmed to a temperature
- the oral compositions of the present invention may be prepared by suitably mixing the hydrogenated lupulone premix solution, prepared as previously described, with the other ingredients of the oral composition.
- the premix of hydrogenated lupulone dispersed in the mixture of alcohol, humectant, surfactant, and flavor is added to an aqueous solution of any additional ingredients to be present in the mouthrisne and mixed under vacuum for about 15-30 minutes.
- the resulting rinse product is then packaged.
- Dentifrices are prepared similarly, additional thickener and polishing agents being included in the last or penultimate step.
- a mouthrinse containing a mixture of hydrogenated lupulones, namely, hexahydrolupulone (35% by weight) and hexahydrocolupulone (65% by weight), the mixture hereinafter being referred to as "HHBA" was prepared.
- the ingredients of the mouthrinse are listed in Table I below.
- a hydrogenated lupulone containing a mouthrinse was prepared having the composition disclosed in US 5,370,863, the ingredients of which are listed in Table II below.
- the HHBA premix used to prepare the mouthrinse was prepared as follows:
- Stage I The anionic surfactant sodium lauryl sulfate, was dissolved in warm (60-70°C) water.
- Stage H A separate solution of HHBA dissolved in flavor oil, followed by the addition of ethanol, was prepared.
- Stage m A separate solution of sorbitol, propylene glycol and glycerin was prepared.
- the solutions prepared in Stages I and H were admixed followed by admixing with the solution of Stage ⁇ .
- the pH of the combined solutions were adjusted to 7.0 with 10% KOH followed by further adjustment of the pH to 9.0 with 25% K2HPO4 to prepare the HHBA premix.
- the premix was then added to the remainder of the mouthrinse ingredients to prepare the mouthrinse of Table I.
- the comparative mouthrinse of Table II was prepared as follows: Stage I: Sodium saccharin and Pluronic F127 surfactant were dissolved in warm (60-70°C) water. Next glycerol was added and mixed.
- Pluronic F127 surfactant is a polyoxyethylene/polyoxypropylene block copolymer nonionic surfactant available from BASF Corporation, Parsippany, New Jersey 07064.
- Stage II HHBA was dissolved in flavor oil.
- Stage HI A separate solution of ethanol and benzoic acid was prepared.
- the mouthrinse of Table I was tested using a microbiological assay, namely, Minimum Inhibitory Concentration (MIC) and bacterial growth inhibition on hydroxyapatite discs.
- MIC Minimum Inhibitory Concentration
- the gram-positive oral bacterium Actinomyces viscosus was routinely grown overnight in trypticase soy broth (Difco Labs, Detroit, MI) at 37°C.
- a gram strain of the cultures was prepared to determine the purity of the cultures prior to in vitro testing of the mouthrinse.
- the bacterial strain grown for 18 hours at 37°C in trypticase soy broth (TSB) was diluted in fresh broth to adjust its optical density between 0.1 and 0.2 absorption units at 610 nm prior to MIC determinations.
- the mouthrinse of Table I and a placebo mouthrinse were diluted in TSB and the MIC was determined using the microtiter format according to standard procedures (Manual of Clinical Microbiology, 1995).
- the placebo mouthrinse was prepared in the same manner as the mouthrinse of Table I except HHBA was not included in the mouthrinse.
- the MIC results are recorded in Table V below.
- the antiplaque effect of the mouth rinse of Table I and the placebo rinse described above were assessed by a growth inhibition test with A. viscosus using hydroxyapatite disks treated with the rinse and bacterial growth was monitored by measuring optical density (OD) at 610 nm after 2 hours and 24 hours after treatment of the disks.
- OD optical density
- the hydroxyapatite disk was placed in a test tube containing clarified human saliva and incubated overnight at 37°C. Thereafter, the saliva was removed from the tube and replaced with mouthrinse solution and incubated for 30 minutes at 37°C whereupon the disk was placed in a transparent plastic tube containing bacterial strains diluted in TSB to an OD of 0.25 at 610 nm.
- Table VI The results of the microbiological assays are recorded in Table VI below.
- composition concentration for bacterial inhibition concentration (in ppm)
- the antibacterial efficacy of the dentifrice of Table IV and a placebo dentifrice were assessed by a zone of bacterial inhibition test with A. viscosus.
- the placebo dentifrice was prepared in the same manner as the dentifrice of Table IV except HHBA was not included in the dentifrice.
- hydroxyapatite disks were treated with a HHBA containing dentifrice or the placebo and placed on an agar plate containing A. viscosus.
- the inhibition of bacterial growth around each disk zone was measured after 48 hours of incubation and the results are shown in Table VH below.
- Table VII The results recorded in Table VII indicate that the Table IV dentifrice had a higher zone of inhibition than the placebo dentifrice indicating antibacterial efficacy.
- the antibacterial effects of the Table IV dentifrice was assessed by a growth inhibition test with A. viscosus.
- the placebo dentifrice was prepared in the same manner as the dentifrice of Table TV except HHBA was not included in the dentifrice.
- hydroxyapatite disks were treated with the dentifrice and bacterial growth monitored by measuring optical density at 610 nm after 24 hours post-treatment. The results are shown in Table VTA below.
- Placebo dentifrice 0.91 The results recorded in Table VIE indicate the highest optical density (a measure of bacterial growth) was observed with the placebo dentifrice, and a lower optical density from disks treated with the Table IV dentifrice indicating that the HHBA containing dentifrice provided antibacterial efficacy.
- the antibacterial efficacies of the dentifrice of Table IX (Dentifrice Table IX) and a dentifrice identical to the dentifrice of Table IX except that Gantrez S-97 was absent from the dentifrice (Dentifrice C) were determined by examining the ability of each dentifrice to inhibit the growth of bacteria. For this test, a slurry of each dentifrice was prepared in water. The slurries were centrifuged and the resulting supernatant used to treat saliva coated hydroxyapatite disks for 30 minutes. The dentifrice treated hydroxyapatite disks were washed with water and incubated with a culture of Actinomyces viscosus.
- the growth of the culture was determined 24hours after incubation with the dentifrice treated disks.
- the results from triplicate samples are shown in Table X below and indicate bacterial growth as determined by measuring the optical density of each culture at 610 nm. Water treated disks were used as a control.
Abstract
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Priority Applications (8)
Application Number | Priority Date | Filing Date | Title |
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BR0012908-9A BR0012908A (en) | 1999-08-04 | 2000-08-01 | Method for preparing an antibacterial stable oral composition containing a hydrogenated lupulone, and an antibacterial stable oral composition |
MXPA02001076A MXPA02001076A (en) | 1999-08-04 | 2000-08-01 | Stable hydrogenated lupulone antibacterial oral compositions. |
CA002378587A CA2378587A1 (en) | 1999-08-04 | 2000-08-01 | Stable hydrogenated lupulone antibacterial oral compositions |
AT00955309T ATE313315T1 (en) | 1999-08-04 | 2000-08-01 | STABLE ANTIBACTERIAL ORAL CARE COMPOSITION CONTAINING HYDROGENATED LUPULONE |
AU67531/00A AU774885B2 (en) | 1999-08-04 | 2000-08-01 | Stable hydrogenated lupulone antibacterial oral compositions |
JP2001514923A JP2003506392A (en) | 1999-08-04 | 2000-08-01 | Stable hydrogenated lupulon antibacterial oral composition |
DE60025000T DE60025000D1 (en) | 1999-08-04 | 2000-08-01 | STABLE ANTIBACTERIAL MOUTH CARE COMPOSITION CONTAINING HYDROGENATED LUPULONE |
EP00955309A EP1200053B1 (en) | 1999-08-04 | 2000-08-01 | Stable hydrogenated lupulone antibacterial oral compositions |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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US09/366,892 | 1999-08-04 | ||
US09/366,892 US6129907A (en) | 1999-08-04 | 1999-08-04 | Stable hydrogenated lupulone antibacterial oral compositions |
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WO2001010401A1 true WO2001010401A1 (en) | 2001-02-15 |
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Application Number | Title | Priority Date | Filing Date |
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PCT/US2000/020967 WO2001010401A1 (en) | 1999-08-04 | 2000-08-01 | Stable hydrogenated lupulone antibacterial oral compositions |
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US (1) | US6129907A (en) |
EP (1) | EP1200053B1 (en) |
JP (1) | JP2003506392A (en) |
CN (1) | CN1195483C (en) |
AR (1) | AR025051A1 (en) |
AT (1) | ATE313315T1 (en) |
AU (1) | AU774885B2 (en) |
BR (1) | BR0012908A (en) |
CA (1) | CA2378587A1 (en) |
CO (1) | CO5180575A1 (en) |
DE (1) | DE60025000D1 (en) |
MX (1) | MXPA02001076A (en) |
MY (1) | MY122704A (en) |
WO (1) | WO2001010401A1 (en) |
ZA (1) | ZA200200620B (en) |
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US5690911A (en) * | 1996-06-07 | 1997-11-25 | Colgate Palmolive Company | Oral composition containing a mixed surfactant system for promoting antibacterial compound uptake on dental tissue |
US5800803A (en) * | 1997-02-10 | 1998-09-01 | Colgate-Palmolive Company | Oral composition exhibiting enhanced uptake by dental tissue of noncationic antibacterial agents |
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US3486906A (en) * | 1965-03-01 | 1969-12-30 | Kalamazoo Spice Extract Co | Water-dispersible hop flavors for malt beverages and the like |
US3451821A (en) * | 1965-03-01 | 1969-06-24 | Kalamazoo Spice Extract Co | Increasing the utilization of hops and improving flavor control of malt beverages and the like |
US3615660A (en) * | 1969-06-11 | 1971-10-26 | Pfizer | Hop extract emulsion and preparation and use thereof |
US5032386A (en) * | 1988-12-29 | 1991-07-16 | Colgate-Palmolive Company | Antiplaque antibacterial oral composition |
US4894220A (en) * | 1987-01-30 | 1990-01-16 | Colgate-Palmolive Company | Antibacterial antiplaque oral composition |
US5334375A (en) * | 1988-12-29 | 1994-08-02 | Colgate Palmolive Company | Antibacterial antiplaque oral composition |
US6165447A (en) * | 1999-06-15 | 2000-12-26 | Colgate-Palmolive Company | Synergistic antibacterial combination |
-
1999
- 1999-08-04 US US09/366,892 patent/US6129907A/en not_active Expired - Fee Related
-
2000
- 2000-07-29 MY MYPI20003479A patent/MY122704A/en unknown
- 2000-08-01 DE DE60025000T patent/DE60025000D1/en not_active Expired - Lifetime
- 2000-08-01 JP JP2001514923A patent/JP2003506392A/en active Pending
- 2000-08-01 CN CNB008138273A patent/CN1195483C/en not_active Expired - Fee Related
- 2000-08-01 BR BR0012908-9A patent/BR0012908A/en not_active IP Right Cessation
- 2000-08-01 WO PCT/US2000/020967 patent/WO2001010401A1/en active IP Right Grant
- 2000-08-01 CA CA002378587A patent/CA2378587A1/en not_active Abandoned
- 2000-08-01 AT AT00955309T patent/ATE313315T1/en not_active IP Right Cessation
- 2000-08-01 AU AU67531/00A patent/AU774885B2/en not_active Ceased
- 2000-08-01 EP EP00955309A patent/EP1200053B1/en not_active Expired - Lifetime
- 2000-08-01 MX MXPA02001076A patent/MXPA02001076A/en active IP Right Grant
- 2000-08-03 CO CO00058420A patent/CO5180575A1/en not_active Application Discontinuation
- 2000-08-04 AR ARP000104052A patent/AR025051A1/en not_active Application Discontinuation
-
2002
- 2002-01-23 ZA ZA200200620A patent/ZA200200620B/en unknown
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US3932603A (en) * | 1971-05-28 | 1976-01-13 | General Foods Corporation | Oral preparations for reducing the incidence of dental caries |
US5370863A (en) * | 1992-12-16 | 1994-12-06 | Miller Brewing Company | Oral care compositions containing hop acids and method |
US5690911A (en) * | 1996-06-07 | 1997-11-25 | Colgate Palmolive Company | Oral composition containing a mixed surfactant system for promoting antibacterial compound uptake on dental tissue |
US5800803A (en) * | 1997-02-10 | 1998-09-01 | Colgate-Palmolive Company | Oral composition exhibiting enhanced uptake by dental tissue of noncationic antibacterial agents |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1505998A1 (en) * | 2002-05-17 | 2005-02-16 | S.S. Steiner, Inc. | Improved application for hop acids as anti-microbial agents |
EP1505998A4 (en) * | 2002-05-17 | 2009-06-10 | Steiner Inc S S | Improved application for hop acids as anti-microbial agents |
US7910140B2 (en) | 2002-05-17 | 2011-03-22 | S.S. Steiner, Inc. | Application for hop acids as anti-microbial agents |
US11690792B2 (en) | 2019-09-30 | 2023-07-04 | The Procter & Gamble Company | Oral care compositions comprising hops beta acids and metal ions |
US11918681B2 (en) | 2019-09-30 | 2024-03-05 | The Procter & Gamble Company | Oral care compositions comprising hops beta acid and amino acid |
Also Published As
Publication number | Publication date |
---|---|
US6129907A (en) | 2000-10-10 |
EP1200053B1 (en) | 2005-12-21 |
JP2003506392A (en) | 2003-02-18 |
MY122704A (en) | 2006-04-29 |
EP1200053A1 (en) | 2002-05-02 |
ZA200200620B (en) | 2003-06-25 |
AU774885B2 (en) | 2004-07-08 |
MXPA02001076A (en) | 2002-08-20 |
AR025051A1 (en) | 2002-11-06 |
CO5180575A1 (en) | 2002-07-30 |
BR0012908A (en) | 2002-04-30 |
AU6753100A (en) | 2001-03-05 |
CN1195483C (en) | 2005-04-06 |
DE60025000D1 (en) | 2006-01-26 |
CA2378587A1 (en) | 2001-02-15 |
ATE313315T1 (en) | 2006-01-15 |
CN1377253A (en) | 2002-10-30 |
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