EP0251591A1
Expired / Lapsed
EP
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Oral hygiene composition
Assignee: Beecham Group PLC
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Filing: 1987-06-19
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Granted: —
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Expires: 2007-06-19
Abstract
Abstract An oral hygiene composition in the form of a dentrifice or a mouthwash, comprising: (a) from 0.01 to 2% by weight of the composition of an antibacterial compound of formula (I): in which R¹ is oxygen, sulphur or an alkylene group of from 1 to 6 carbon atoms, each of R₂ to R₆ and R²ʹ to R⁶ʹ is hydrogen, hydroxyl or halogen; (b) from 0 to 90% by weight of a dentally acceptable abrasive, (c) from 0.1% to 15% by weight of a dialkali or tetra-alkali metal pyrophosphate salt or a mixture thereof and (d) water.
Inventors
- 👤 Robert John Jackson
- 👤 Nicholas Anthony Berrill
- 👤 Shawn Victor Robbins
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-10-26 18:48
CPC Classifications
A; A61; A61K; A61K8/00; A61K8/18; A61K8/30; A61K8/33; A61K8/34; A61K8/347; A61K8/19; A61K8/24; A61Q; A61Q11/00
Claims Analysis
Total Claims: 13
Claim 1
Independent Claim
95 words
An oral hygiene composition in the form of dentifrice or mouthwash comprising; (a) 0.01 to 2% by weight of the composition of an antibacterial compound of formula (I): in which R¹ is oxygen, sulphur or an alkylene group of from one to six carbon atoms, and each of R² to R⁶ and R²ʹ to R⁶ʹ is hydrogen, hydroxyl or halogen; (b) from 0 to 90% by weight of a dentally acceptable abrasive; (c) from 0.1 to 15% by weight of a dialkali or a tetra-alkali metal pyrophosphate salt, or a mixture thereof, and (d) water.
Claim 2
Dependent Claim
95 words
An oral hygiene composition in the form of dentifrice or mouthwash comprising; (a) 0.01 to 2% by weight of the composition of an antibacterial compound of formula (I): in which R¹ is oxygen, sulphur or an alkylene group of from one to six carbon atoms, and each of R² to R⁶ and R²ʹ to R⁶ʹ is hydrogen, hydroxyl or halogen; (b) from 0 to 90% by weight of a dentally acceptable abrasive; (c) from 0.1 to 15% by weight of a dialkali or a tetra-alkali metal pyrophosphate salt, or a mixture thereof, and (d) water.
Claim 3
Dependent Claim
18 words
A composition according to claim 1 wherein the weight range of component (a) is from 0.01 to 1.0%.
Claim 4
Dependent Claim
18 words
A composition according to claim 2 wherein the weight range of component (a) is from 0.05 to 0.5%.
Claim 5
Dependent Claim
21 words
A composition according to anyone of the preceding claims wherein the weight range of component (b) is from 20 to 75%.
Claim 6
Dependent Claim
21 words
A composition according to anyone of the preceding claims wherein the weight range of component (c) is from 2 to 10%.
Claim 7
Dependent Claim
23 words
A composition according to any one of the preceding claims in which water is present in an amount of from 2 to 95%.
Claim 8
Dependent Claim
35 words
A composition according to any one of the preceding claims in which the compound of formula (I) is selected from the group consisting of: 5,5ʹ-dichloro-2,2ʹ-dihydroxydiphenyl methane; (Dichlorophene). 2,2ʹ-dihydroxy-3,5,6,3ʹ,5ʹ,6ʹ-hexachloro-diphenylmethane; (Hexachlorophene). 3,3ʹ-dibromo-5,5ʹ-dichloro-2,2ʹ-dihydroxydiphenylmethane (Bromochlorophene); and 2,4,4ʹ-trichloro-2ʹ-hydroxydiphenyl ether (Triclosan).
Claim 9
Dependent Claim
16 words
A composition according to claim 7 in which the compound of formula (I) is 2,4,4ʹ-trichloro-2ʹ-hydroxydiphenyl ether.
Claim 10
Dependent Claim
39 words
A composition according to any one of the preceding claims in the form of a dentrifice in which an abrasive is present, which abrasive being selected from calcium carbonate, dicalcium phosphate, calcium pyrophosphate, alumina, silica, synthetic plastics resin particles.
Claim 11
Dependent Claim
18 words
A composition according to any one of the preceding claims further comprising a water soluble ionic fluorine-containing compound.
Claim 12
Dependent Claim
26 words
A composition according to any one of the preceding claims for use in the prevention or reduction of dental plaque in the human or animal body.
Claim 13
Dependent Claim
29 words
A process for the preparation of a composition according to any one of claims 1 to 10, which process comprises mixing together the ingredients thereof in the necessary proportions.
References Cited (Backward Citations)
US3671644A
Cited
FR2044388A5
Cited
US4022880A
Cited
GB1526379A
Cited
EP0097476A2
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EP0161899A2
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