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  Deodorant compositionRelated Patent Categories: Drug, Bio-affecting And Body Treating Compositions, Anti-perspirants Or Perspiration DeodorantsDeodorant composition description/claimsThe Patent Description & Claims data below is from USPTO Patent Application 20060165622, Deodorant composition. Brief Patent Description - Full Patent Description - Patent Application Claims
TECHNICAL FIELD [0001] The present invention relates to a novel deodorant composition. Specifically, it relates to a novel deodorant composition comprising a colored compound obtainable by reacting a polyphenol in a solvent showing alkalinity in the coexistence of oxygen molecules at a reaction pH value of 6.5 or more. Precisely, it relates to a novel deodorant composition comprising a colored compound obtainable by reacting a specific polyphenol in a solvent showing alkalinity in the coexistence of oxygen molecules at a reaction pH value of 6.5 or more and to a novel deodorant composition comprising a colored compound obtainable by reacting a specific polyphenol and an amino acid in a solvent showing alkalinity in the coexistence of oxygen molecules at a reaction pH value of 6.5 or more. More precisely, it relates to a novel deodorant composition to be used for elimination or reduction of odors felt in daily life, such as bad breath (halitosis), body odor, odor in refrigerator, odor of raw garbage, odor of footwear cupboard, body odor of human and animals, odor of feces and urine of human and animals, odors in factories and industrial wastes. BACKGROUND ART [0002] Recently, with diversification of lives, improvement of life level, changes and improvement of attitudes, and the like, attention has been paid to various points around one's life. One of them is existence of various malodors. Main malodorous components to be targeted include nitrogenous compounds such as ammonia, urea, indole, skatole, and amines; sulfur compounds such as methyl mercaptan, hydrogen sulfide, and dimethyl sulfide; and lower fatty acids such as butyric acid. Hereto fore, there are a number of reports on deodorants that are used to eliminate or reduce the malodors. [0003] For example, JP-A-11-319051 discloses a deodorant containing a polyphenol component extracted from apple as an active component. However, the deodorant is insufficient in the deodorizing effect. Moreover, a deodorant composition containing a plant extract and a phenol oxidase as components is also known (cf. e.g., JP-A-9-38183, JP-A-10-212221, and so forth). However, although these deodorants are excellent in the deodorizing effect, they have a problem that preparation processes thereof are rather complicated. [0004] On the other hand, there is a report in Food. Sci. Technol. Res., 6(3), 186-191, 2000 that the deodorizing effect of a specific polyphenol is confirmed in an NH.sub.4OH solution or in an NaHCO.sub.3 solution. Moreover, in Biosci. Biotechnol. Biochem., 65(10), 2121-2130, 2001, there is a report that a colored compound can be prepared by reacting a caffeic acid ester and an amino acid. [0005] As the deodorant composition, there is desired a deodorant composition capable of maintaining a deodorizing ability for a long period of time as far as possible. Moreover, a deodorant composition having an excellent deodorizing effect on various malodorous components such as nitrogenous compounds, sulfur compounds, and lower fatty acids is expected. DISCLOSURE OF THE INVENTION [0006] An object of the invention is to provide a novel deodorant composition which is excellent in the deodorizing effect and obtainable by a simple process. Moreover, it is to provide a novel deodorant composition which shows no decrease in the deodorizing performance even after a long period of time, once the deodorant being prepared. Furthermore, it is to provide a deodorant composition having an excellent deodorizing effect on a wide range of malodorous components. [0007] As a result of the extensive studies for solving the above problems, the present inventors have found that a colored compound obtainable by reacting a specific polyphenol in a solvent showing alkalinity in the coexistence of an oxygen molecule at a reaction pH value of 6.5 or more has an excellent deodorizing effect. Also, they have found that a colored compound obtainable by reacting a specific polyphenol and an amino acid in a solvent showing alkalinity in the coexistence of an oxygen molecule at a reaction pH value of 6.5 or more has an excellent deodorizing effect. Furthermore, even when a composition containing the deodorizing component is stored for a long period of time, the deodorizing effect of the deodorant composition is maintained for a long time. As a result of further studies, they have finally reached the present invention. [0008] Namely, the invention is as follows. [0009] (1) A deodorant composition comprising, as an active component, a colored compound obtainable by reacting a polyphenol in a solvent showing alkalinity in the coexistence of oxygen molecules at a reaction pH value of 6.5 or more. [0010] (2) The deodorant composition according to (1), wherein an oxygen molecule supply during the reaction is 1 mg/L or more. [0011] (3) The deodorant composition according to (1) or (2), wherein the reaction temperature is in the range of 0 to 60.degree. C. [0012] (4) The deodorant composition according to any one of (1) to (3), wherein a metal ion is further added to the reaction system and the reaction is carried out. [0013] (5) The deodorant composition according to any one of (1) to (4), wherein the polyphenol is a polyphenol having an o-diphenol structure. [0014] (6) The deodorant composition according to any one of (1) to (4), wherein the polyphenol is hydroquinone. [0015] (7) A deodorant composition comprising, as an active component, a colored compound obtainable by reacting a plant extract containing a polyphenol but containing substantially no amino acid in a solvent showing alkalinity in the coexistence of oxygen molecules at a reaction pH value of 6.5 or more. [0016] (8) The deodorant composition according to any one of (1) to (7), wherein an amino acid is further added to the reaction system and the reaction is carried out. [0017] (9) The deodorant composition according to (8), wherein the amino acid is an .alpha.-amino acid. [0018] (10) A deodorant composition comprising, as an active component, a colored compound obtainable by reacting a plant extract and/or a plant body containing a polyphenol and an amino acid in a solvent showing alkalinity in the coexistence of oxygen molecules at a reaction pH value of 6.5 or more. BEST MODE FOR CARRYING OUT THE INVENTION [0019] The following will describe the present invention in detail. [0020] In the invention, a polyphenol is reacted in a solvent showing alkalinity in the coexistence of oxygen molecules at a reaction pH value of 6.5 or more to obtain a deodorant composition. Continue reading about Deodorant composition... Full patent description for Deodorant composition Brief Patent Description - Full Patent Description - Patent Application Claims Click on the above for other options relating to this Deodorant composition patent application. ###  How KEYWORD MONITOR works... a FREE service from FreshPatents1. Sign up (takes 30 seconds). 2. Fill in the keywords to be monitored. 3. Each week you receive an email with patent applications related to your keywords. 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