Additives for chlorine dioxide-containing compositions
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
A61K-008/20
A61K-008/73
A61Q-011/00
A61K-031/045
A61K-031/11
A61K-031/135
A61K-031/352
출원번호
US-0017096
(2011-01-31)
등록번호
US-9101562
(2015-08-11)
발명자
/ 주소
Full, Andrew Patrick
출원인 / 주소
BASF CORPORATION
대리인 / 주소
Drinker Biddle & Reath LLP
인용정보
피인용 횟수 :
0인용 특허 :
90
초록
Provided is a composition containing chlorine dioxide, a vehicle and at least one compatible additive. The composition optionally contains a compatible amount of a non-compatible additive. Methods of making and using the composition are also provided.
대표청구항▼
1. A composition consisting of: (i) about 150 parts-per-million (ppm) to about 2000 ppm chlorine dioxide, optionally components in minute quantities derived from chlorine-dioxide forming reactants, and no more than about 0.25 milligrams (mg) oxy-chlorine anion per gram composition,(ii) an aqueous ve
1. A composition consisting of: (i) about 150 parts-per-million (ppm) to about 2000 ppm chlorine dioxide, optionally components in minute quantities derived from chlorine-dioxide forming reactants, and no more than about 0.25 milligrams (mg) oxy-chlorine anion per gram composition,(ii) an aqueous vehicle,(iii) at least one compatible additive wherein the at least one compatible additive has a chemical structure selected from the group consisting of a saturated hydrocarbon, a cyclic hydrocarbon, an aromatic, a non-ionized non-aromatic carboxylic acid, an amine, an ether, an aldehyde, a ketone, an alcohol, a quaternary ammonium salt and combinations thereof, wherein no compatible additive comprises any of a conjugated double bond, an oxygen atom adjacent to an aromatic ring, an ionized salt of carboxylic acid, an amino-ethanol and an inorganic carbonate salt, and(iv) optionally a compatible amount of at least one non-compatible additive, wherein the at least one non-compatible additive is selected from the group consisting of a simple salt of an organic monocarboxylic acid that does not comprise a conjugated double bond, an aromatic aldehyde with a conjugated C═C double bond, and a polymeric carbohydrate with partially ionized acid groups, wherein a compatible amount refers to a concentration of the non-compatible additive at which no more than about 45% decrease in chlorine dioxide occurs after 8 hours. 2. The composition of claim 1, wherein the at least one compatible additive is selected from the group consisting of a sweetener, a carrier, a flavor agent, an antiseptic, a preservative, a pigment, a fragrance, a plasticizer, an encapsulate, an antitartar agent, a surfactant, a buffer, and a cleaning agent. 3. The composition of claim 1, wherein the at least one compatible additive is selected from the group consisting of: L-menthol, benzaldehyde, camphor, methone, ethyl methane carboxamide, eucalyptol, aspartame, sodium cyclamate, sodium saccharin dihydrate, sucralose, cetylpyridinium chloride, benzoyl alcohol, propylene glycol, polyethylene glycol 400, glycerol, ethyl acetate, ethanol, hydroxypropyl methylcellulose, acetone, glycine, l-glutamic acid, boric acid, citric acid, and sodium bisulfate. 4. The composition of claim 1, wherein a non-compatible additive is present and is a thickener. 5. The composition of claim 1, wherein the composition contains a first compatible additive and a second compatible additive. 6. The composition of claim 5, wherein the first compatible additive is a sweetener and the second compatible additive is a flavor agent. 7. The composition of claim 5, wherein a non-compatible additive is present. 8. The composition of claim 6, wherein a non-compatible additive is present. 9. The composition of claim 8, wherein the non-compatible additive is sodium carboxymethylcellulose. 10. The composition of claim 6, wherein the sweetener is present at about 0.5 wt. % to about 1.0 wt, % and the flavor agent is present at about 0.4 wt, % to about 1.1 wt. %. 11. The composition of claim 1, wherein the chlorine dioxide is prepared from a substantially anhydrous solid body comprising particulate reagents, wherein the reagents comprise a sodium chlorite, sodium bisulfate and optionally dichloroisocyanuric acid or a hydrate thereof. 12. The composition of claim 1, wherein the composition has an ionic strength of at least about 5% of the chlorine dioxide in the composition. 13. A method of preparing a chlorine-dioxide containing composition containing a compatible additive, said method comprising the step of: combining: (i) a chlorine dioxide precursor in the form of a substantially anhydrous solid body comprising particulate reagents, wherein the reagents comprise a sodium chlorite, sodium bisulfate and optionally dichloroisocyanuric acid or a hydrate thereof, (ii) at least one compatible additive, wherein the at least one compatible additive has a chemical structure selected from the group consisting of a saturated hydrocarbon, a cyclic hydrocarbon, an aromatic, a non-ionized non-aromatic carboxylic acid, an amine, an ether, an aldehyde, a ketone, an alcohol, a quaternary ammonium salt and combinations thereof, wherein no compatible additive comprises any of a conjugated double bond, an oxygen atom adjacent to an aromatic ring, an ionized salt of carboxylic acid, an amino-ethanol and an inorganic carbonate salt, (iii) optionally a compatible amount of at least one non-compatible additive, wherein the at least one non-compatible additive is selected from the group consisting of a simple salt of an organic monocarboxylic acid that does not comprise a conjugate double bond, an aromatic aldehyde with a conjugated C═C double bond, and a polymeric carbohydrate with partially ionized acid groups, wherein a compatible amount refers to a concentration of the non-compatible additive at which no more than about 45% decrease in chlorine dioxide occurs after 8 hours, and (iv) an aqueous vehicle,thereby preparing a composition consisting of about 150 parts-per-million (ppm) to about 2000 ppm chlorine dioxide, optionally components in minute quantities derived from the chlorine-dioxide forming particulate reactants, no more than about 0.25 milligrams (mg) oxy-chlorine anion per gram composition, and a compatible additive. 14. A method of whitening a tooth surface, the method comprising contacting a surface of a tooth with an efficacious amount of a composition according to claim 1. 15. The method of claim 14, wherein contacting the tooth surface with the composition does not: substantially damage hard tooth tissue, substantially reduce enamel microhardness, substantially reduce dentin microhardness, cause tooth sensitivity, and/or substantially increase surface roughness of at least one of enamel and dentin. 16. The method of claim 14, wherein the step of contacting the tooth surface results in substantial contact of the composition with soft oral tissues. 17. The method of claim 14, wherein said contacting step is iterated at least once, resulting in a first iteration and a second iteration. 18. The method of claim 14, wherein the at least one compatible additive is selected from the group consisting of: a sweetener, a carrier, a flavor agent, an antiseptic and a preservative. 19. The method of claim 18, wherein a compatible amount of a non-compatible additive is present, wherein the non-compatible additive is a thickener. 20. The composition of claim 1, wherein at least one non-compatible additive is present at a concentration at which no more than about 30% decrease in chlorine dioxide occurs after 8 hours.
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