Patents by Inventor Hiroko Tsuda
Hiroko Tsuda has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20260183221Abstract: A cleansing composition including: (A) from 9 to 50% by mass of a nonionic surfactant including: (a1) a nonionic surfactant having an HLB value of 8.5 or more and less than 12.5, (a2) a nonionic surfactant having an HLB value of 12.5 or more and 18 or less, and (a3) a nonionic surfactant having an HLB value of 1.8 or more and less than 8.5; (B) from 45 to 90% by mass of an oil phase having a viscosity at 25° C. of 12.0 mPa·s or less; and (C) from 0.05 to 15% by mass of water, an alcohol having 2 to 3 carbon atoms, and/or a polyol. A mass ratio of the component (C) to the component (A), (C)/(A) is 0.40 or less, and a mass ratio of the component (a2) to the total amount of the components (a1) and (a3), (a2)/[(a1)+ (a3)], is from 0.5 to 2.5.Type: ApplicationFiled: October 27, 2023Publication date: July 2, 2026Applicant: KAO CORPORATIONInventors: Chihiro UEYAMA, Hiroko TSUDA, Mariko KAGAYA, Yuko NAGASAKI
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Publication number: 20080188395Abstract: A transparent liquid cleansing composition containing the following components (A), (B), (C), (D), (E) and (F): (A) 1 to 15% by weight of a nonionic surfactant having an HLB value of 8 or less, (B) 5 to 30% by weight of a nonionic surfactant having an HLB value of more than 13, (C) 1 to 10% by weight of a nonionic surfactant having a branched alkyl group or two or more alkyl groups and having an HLB value of more than 8 and 13 or less, (D) 10 to 40% by weight of oil having a viscosity of 15 mPa·s or less at 30° C., (E) 10 to 60% by weight of a water-soluble solvent, and (F) 5 to 50% by weight of water, wherein a total content of the components (E) and (F) is 40 to 70% by weight. The transparent liquid cleansing composition is provided which can be cleanly washed off without substantially leaving an oily feeling, gives substantially no oily feeling during use, can rapidly raise waterproof mascara and has good stability.Type: ApplicationFiled: January 28, 2008Publication date: August 7, 2008Applicant: KAO CORPORATIONInventors: Yasuyuki MURASE, Hiroko Tsuda
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Publication number: 20080182771Abstract: A transparent liquid cleansing composition containing the following components (A), (B), (C) and (D): (A) 10 to 35% by weight of a nonionic surfactant having an HLB value of 8 or more, (B) 10 to 40% by weight of oil having a viscosity of 15 mPa·s or less at 30° C., (C) 20 to 60% by weight of a water-soluble solvent, and (D) 5 to 50% by weight of water, wherein a total content of the components (C) and (D) is 40 to 70% by weight. The transparent liquid cleansing composition is provided, which gives substantially no oily feeling during use, can raise waterproof mascara rapidly, and is washed off without an oily feeling.Type: ApplicationFiled: January 28, 2008Publication date: July 31, 2008Applicant: KAO CORPORATIONInventors: Yasuyuki MURASE, Hiroko TSUDA
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Publication number: 20050186167Abstract: A cleansing composition according to the present invention comprises (A) an aqueous phase containing 1 to 25% by weight of a water-soluble compound (a), which has a polyoxypropylene structure having 3 or more addition number of propylene oxide but neither an alkyl group having 4 or more carbon atoms nor a polyoxyethylene structure, in the aqueous phase and (B) an oil phase which is liquid at 30° C., wherein the weight ratio (A):(B) of the aqueous phase (A) and the oil phase (B) is 97:3 to 40:60, and water is contained more than 10% by weight in the total composition. Moreover, a cleansing sheet according to the present invention comprises a nonwoven fabric which is made of a fiber having a cellulose content of at least 70% by weight and has a density of about 0.15 to 0.Type: ApplicationFiled: October 20, 2004Publication date: August 25, 2005Applicant: Kao CorporationInventors: Atsuhiro Ueda, Hiroko Tsuda
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Publication number: 20050180942Abstract: Provided is a cleansing preparation, which takes a clear liquid form, develops neither a reduction in cleansing power nor deteriorations in appearance and sensation upon application even when water is mixed in, and has resistance to water. The clear liquid cleansing preparation contains the following ingredients (A) to (D): (A) at least one nonionic surfactant selected from: (a) a monoglycerol fatty acid ester having a C12-18 fatty acid residue, (b) a polyglycerol fatty acid ester having a C12-18 fatty acid residue, (c) isostearyl pentaerythryl glyceryl ether, or (d) a liquid nonionic surfactant having polyalkylene glycol chains and exhibiting IOB value of from 0.75 to 1.05, (B) a nonionic surfactant other than the first-mentioned nonionic surfactant (A), and exhibiting IOB value of at least 1.1 (C) a liquid oil ingredient, and (D) at most 12 wt. % of water, wherein the preparation is free of white turbidity when 50 parts by weight of water is added to 100 parts by weight of the preparation.Type: ApplicationFiled: March 20, 2003Publication date: August 18, 2005Inventors: Masaki Shimizu, Hiroko Tsuda
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Patent number: 6509304Abstract: The invention relates to a detergent composition comprising the following components (A) and (B): (A) 3 to 60% by weight of at least one surfactant selected from anionic surfactants, amphoteric surfactants and hydrophilic nonionic surfactants; and (B) 0.1 to 50% by weight of fiber having an average fiber length of 0.02 to 1 mm. The detergent composition has a high detergent effect and excellent massaging ability and rinsability.Type: GrantFiled: September 7, 2001Date of Patent: January 21, 2003Assignee: Kao CorporationInventors: Masayoshi Aoshima, Toshiya Ono, Atsushi Tomokuni, Hiroko Tsuda
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Patent number: 5972877Abstract: Provided is a detergent composition, which comprises the following components (A), (B) and (C):(A) 50 to 95 wt. % of a polyol or polyol ether which can dissolve at least 1 wt. % of palmitic acid at 35.degree. C.,(B) 1 to 30 wt. % of crystals of a neutral salt of an anionic surfactant, and(C) 0.1 to 20 wt. % of a thickener; and has a water content of 10 wt. % or less. It can simultaneously wash off sebum in the paste or solid form and sebum in the liquid form and does not impart dry, flaky and stretched feelings to the skin.Type: GrantFiled: March 26, 1998Date of Patent: October 26, 1999Assignee: Kao CorporationInventors: Hiroko Tsuda, Takashi Komori
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Patent number: 5380455Abstract: A detergent composition which comprises the following components (A) and (B):(A) a fluorine-containing polymer having a perfluoroalkyl group and an alkyl group in the molecule, and(B) a liquid oil base.The present detergent composition is capable of quickly and effectively removing not only ordinary make-up cosmetics but also fluorine-containing cosmetics which are difficult to be removed by conventional detergent compositions.Type: GrantFiled: May 27, 1993Date of Patent: January 10, 1995Assignee: Kao CorporationInventors: Hiroko Tsuda, Akira Shigeta, Hidenobu Koyanagi