Patents by Inventor Kazunori Tsukuda
Kazunori Tsukuda 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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Patent number: 8288331Abstract: The present invention relates to a liquid detergent composition containing (a) a specific compound having one alkyl group selected from a 2-ethylhexyl group, an isononyl group and an isodecyl group, (b) a surfactant selected from anionic surfactants and amphoteric surfactants, (c) a hydrophobic organic solvent that is liquid at 20° C., and (d) water in specific ratios.Type: GrantFiled: June 20, 2006Date of Patent: October 16, 2012Assignee: Kao CorporationInventors: Junya Hanai, Toshiharu Noguchi, Kazunori Tsukuda
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Patent number: 7985724Abstract: Disclosed is a detergent composition for hard surface, containing (A) a monoalkyl glyceryl ether whose alkyl group has 3 to 8 carbon atoms, (B) a specific compound represented by the formula (1), (C) an amine, (D) a polyvalent carboxylic acid having a molecular weight of 40 to 400 and/or a salt thereof, (E) a surfactant provided that (A) and (B) are excluded from (E), and water, wherein the mass ratio of (A)/(B), the content of (A)+(B), the mass ratio of (C)/(D), and the content of (C)+(D) are respectively in a specific range, and the pH of the detergent composition at 20° C. is 9.5 to 11.5.Type: GrantFiled: July 19, 2007Date of Patent: July 26, 2011Assignee: Kao CorporationInventors: Takumi Inoue, Junya Hanai, Kazunori Tsukuda
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Publication number: 20100152090Abstract: The present invention relates to a liquid detergent composition containing (a) a specific compound having one alkyl group selected from a 2-ethylhexyl group, an isononyl group and an isodecyl group, (b) a surfactant selected from anionic surfactants and amphoteric surfactants, (c) a hydrophobic organic solvent that is liquid at 20° C., and (d) water in specific ratios.Type: ApplicationFiled: June 20, 2006Publication date: June 17, 2010Applicant: KAO CORPORATIONInventors: Junya Hanai, Toshiharu Noguchi, Kazunori Tsukuda
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Patent number: 7695569Abstract: The invention relates to a detergent for hard surfaces, which contains (a) a polymer compound having a cationic group, such as a cation-modified polyvinyl alcohol containing specified structural units, (b) a surfactant and (c) water.Type: GrantFiled: November 16, 2005Date of Patent: April 13, 2010Assignee: Kao CorporationInventors: Yosuke Nakagawa, Noriyuki Morii, Kazunori Tsukuda, Kenichi Shiba, Hirofumi Mizukoshi
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Publication number: 20090197793Abstract: Disclosed is a detergent composition for hard surface, containing (A) a monoalkyl glyceryl ether whose alkyl group has 3 to 8 carbon atoms, (B) a specific compound represented by the formula (1), (C) an amine, (D) a polyvalent carboxylic acid having a molecular weight of 40 to 400 and/or a salt thereof, (E) a surfactant provided that (A) and (B) are excluded from (E), and water, wherein the mass ratio of (A)/(B), the content of (A)+(B), the mass ratio of (C)/(D), and the content of (C)+(D) are respectively in a specific range, and the pH of the detergent composition at 20° C. is 9.5 to 11.5.Type: ApplicationFiled: July 17, 2007Publication date: August 6, 2009Applicant: Kao CorporationInventors: Takumi Inoue, Junya Hanai, Kazunori Tsukuda
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Patent number: 7544649Abstract: This invention provides an antifouling detergent for hard surfaces, which is excellent in antifouling effect without any problem in corrosion of metallic materials. The antifouling detergent for hard surfaces comprises a polymer comprising a monomer unit A having at least one group selected from amino groups and quaternary ammonium groups and a monomer unit B represented by —SO2—, in a specific ratio in the molecule.Type: GrantFiled: February 21, 2003Date of Patent: June 9, 2009Assignee: Kao CorporationInventors: Shin Aihara, Yosuke Komatsu, Kazunori Tsukuda, Seiichi Miyanaga, Kenichi Shiba
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Patent number: 7501387Abstract: An antifouling detergent for hard surfaces, which can be used in home to confer an excellent antifouling performance and an ability to prevent re-deposition on hard surfaces in a toilet, a bathroom and a kitchen; and a method of antifouling and washing hard surfaces of toilet bowls, which includes treating the surfaces with an antifouling detergent composition.Type: GrantFiled: February 21, 2003Date of Patent: March 10, 2009Assignee: Kao CorporationInventors: Shin Aihara, Yosuke Komatsu, Kazunori Tsukuda, Seiichi Miyanaga, Kenichi Shiba
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Publication number: 20080261856Abstract: The invention relates to a detergent for hard surfaces, which contains (a) a polymer compound having a cationic group, such as a cation-modified polyvinyl alcohol containing specified structural units, (b) a surfactant and (c) water.Type: ApplicationFiled: November 16, 2005Publication date: October 23, 2008Applicant: Kao CorporationInventors: Yosuke Nakagawa, Noriyuki Morii, Kazunori Tsukuda, Kenichi Shiba, Hirofumi Mizukoshi
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Patent number: 7141538Abstract: The present invention relates to a liquid detergent composition containing (a) a specific compound having one alkyl group selected from a 2-ethylhexyl group, an isononyl group and an isodecyl group, (b) anonionic surfactant having an alkyl or alkenyl group having 11 to 16 carbon atoms, (c) a hydrophobic organic solvent which is liquid at 20° C. and (d) water, wherein (c)/(d) and (c)+(d) are respectively in a specific range.Type: GrantFiled: April 7, 2004Date of Patent: November 28, 2006Assignee: Kao CorporationInventors: Toshiharu Noguchi, Junya Hanai, Kazunori Tsukuda, Mitsuru Uno
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Patent number: 7098181Abstract: The invention provides a liquid detergent composition which is safe, has an excellent detergency and contains a hydrophobic organic solvent stable despite of a large water content. The present invention relates to a liquid detergent composition comprising (a) a specific compound having an alkyl or alkenyl group having 3 to 11 carbon atoms and a group having 4 to 30 carbon atoms in total and 2 to 10 hydroxy groups, (b) a hydrophobic organic solvent which is liquid at 20° C. and (c) water, wherein (b)/(c)=0.05/9.95 to 4/6 (mass ratio) and (b)+(c)=50 to 99 mass %.Type: GrantFiled: May 13, 2003Date of Patent: August 29, 2006Assignee: Kao CorporationInventors: Takumi Inoue, Kazunori Tsukuda, Mitsuru Uno
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Publication number: 20060058211Abstract: This invention provides an antifouling detergent for hard surfaces, which is excellent in antifouling effect without any problem in corrosion of metallic materials. The antifouling detergent for hard surfaces comprises a polymer comprising a monomer unit A having at least one group selected from amino groups and quaternary ammonium groups and a monomer unit B represented by —SO2—, in a specific ratio in the molecule.Type: ApplicationFiled: February 21, 2003Publication date: March 16, 2006Inventors: Shin Aihara, Yosuke Komatsu, Kazunori Tsukuda, Seiichi Niyanaga, Kenichi Shiba
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Patent number: 6921745Abstract: This invention provides an easily handled bactericide composition necessitating no rinsing step after treatment and exhibiting a safe and excellent bactericidal effect on surfaces which may be brought into direct contact with foods, such as hard surfaces in a house other than dishes and cooking devices. The bactericide composition of this invention comprises (a) polylysine, (b) plant essential oil, (c) organic solvent and (d) water in a specified ratio.Type: GrantFiled: April 15, 2002Date of Patent: July 26, 2005Assignee: Kao CorporationInventors: Hiroyuki Yamada, Hirohiko Ishida, Kazunori Tsukuda
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Publication number: 20050070456Abstract: This invention provides an antifouling detergent for hard surfaces, which can be used in home to confer an excellent antifouling performance and an ability to prevent re-deposition on hard surfaces in a toilet, a bathroom and a kitchen. The antifouling detergent for hard surfaces comprises a polymer having a weight-average molecular weight of 1,000 to 80,000 wherein a monomer unit having, in molecule (a), at least one group selected from amino groups and quaternary ammonium groups is contained in an amount of 10 to 100 mol-% relative to the whole monomer units.Type: ApplicationFiled: February 21, 2003Publication date: March 31, 2005Inventors: Shin Aihara, Yosuke Komatsu, Kazunori Tsukuda, Seiichi Miyanaga, Kenichi Shiba
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Publication number: 20050003989Abstract: The present invention relates to a liquid detergent composition containing (a) a specific compound having one alkyl group selected from a 2-ethylhexyl group, an isononyl group and an isodecyl group, (b) aknonionic surfactant having an alkyl or alkenyl group having 11 to 16 carbon atoms, (c) a hydrophobic organic solvent which is liquid at 20° C. and (d) water, wherein (c)/(d) and (c)+(d) are respectively in a specific range.Type: ApplicationFiled: April 7, 2004Publication date: January 6, 2005Inventors: Toshiharu Noguchi, Junya Hanai, Kazunori Tsukuda, Mitsuru Uno
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Publication number: 20040132630Abstract: This invention provides an easily handled bactericide composition necessitating no rinsing step after treatment and exhibiting a safe and excellent bactericidal effect on surfaces which may be brought into direct contact with foods, such as hard surfaces in a house other than dishes and cooking devices. The bactericide composition of this invention comprises (a) polylysine, (b) plant essential oil, (c) organic solvent and (d) water in a specified ratio.Type: ApplicationFiled: September 30, 2003Publication date: July 8, 2004Inventors: Hiroyuki Yamada, Hirohiko Ishida, Kazunori Tsukuda
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Publication number: 20040023834Abstract: The invention provides a liquid detergent composition which is safe, has an excellent detergency and contains a hydrophobic organic solvent stable despite of a large water content. The present invention relates to a liquid detergent composition comprising (a) a specific compound having an alkyl or alkenyl group having 3 to 11 carbon atoms and a group having 4 to 30 carbon atoms in total and 2 to 10 hydroxy groups, (b) a hydrophobic organic solvent which is liquid at 20° C. and (c) water, wherein (b)/(c)=0.05/9.95 to 4/6 (mass ratio) and (b)+(c)=50 to 99 mass %.Type: ApplicationFiled: May 13, 2003Publication date: February 5, 2004Applicant: KAO CORPORATIONInventors: Takumi Inoue, Kazunori Tsukuda, Mitsuru Uno
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Patent number: 6482791Abstract: The present invention provides a bleach cleaner composition which exhibits excellent bleach cleaning power to the fungi on resin parts and yet ensures excellent storage stability of a hypochlorite at a high temperature. The bleach cleaner composition is a liquid bleach cleaner composition containing (a) an alkali metal salt of hypochlorous acid, (b) a quaternary ammonium salt surfactant having a C8-10 long chain alkyl, (c) at least one selected from cumenesulfonic acid, xylenesulfonic acid, toluenesulfonic acid, and alkali metal salts thereof, (d) an alkali metal hydroxide and and water. It may further comprise (e) an amphoteric surfactant.Type: GrantFiled: January 31, 2002Date of Patent: November 19, 2002Assignee: Kao CorporationInventors: Yutaka Sano, Hiroyuki Yamada, Kazunori Tsukuda
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Publication number: 20020151455Abstract: The present invention provides a bleach cleaner composition which exhibits excellent bleach cleaning power to the fungi on resin parts and yet ensures excellent storage stability of a hypochlorite at a high temperature. The bleach cleaner composition is a liquid bleach cleaner composition containing (a) an alkali metal salt of hypochlorous acid, (b) a quaternary ammonium salt surfactant having a C8-10 long chain alkyl, (c) at least one selected from cumenesulfonic acid, xylenesulfonic acid, toluenesulfonic acid, and alkali metal salts thereof, (d) an alkali metal hydroxide and and water. It may further comprise (e) an amphoteric surfactant.Type: ApplicationFiled: January 31, 2002Publication date: October 17, 2002Applicant: Kao CorporationInventors: Yutaka Sano, Hiroyuki Yamada, Kazunori Tsukuda
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Patent number: 6387867Abstract: The present invention provides a liquid detergent being excellent in detergency for persistent sebum smears such as smears in or on collars and cuffs and for denatured-oil smears in kitchens, etc., and further having a good smell as a detergent. That is, the present invention provides a liquid detergent comprising glycerol ether compounds represented by each of the formulas (1), (2), and (3) and a surfactant, R—O—CH2—CH(OH)CH2X (1), R—O—CH(CH2X)CH2Y (2), and R—O—CH2—CH(Z)CH2W (3), wherein R, X, Y, W and Z are defined in the specification.Type: GrantFiled: April 6, 2001Date of Patent: May 14, 2002Assignee: Kao CorporationInventors: Akira Ishikawa, Takumi Inoeu, Kazutoshi Ide, Kazunori Tsukuda
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Patent number: 6232283Abstract: The present invention provides a liquid detergent composition having high detergency without damaging styrene-based resin. The liquid detergent composition comprising (a) 0.1 to 50% by weight of a mixture of at least two different compounds from each other in view of their strutural isomers and/or their number of carbon atoms, selected from glyceryl-ether compounds having the formula (I): R—OCH2CH(OH)CH2OH (I) wherein R is an alkyl or alkenyl group having 1 to 11 carbon atoms; (b) 0.01 to 30% by weight of a surfactant; (c) 0.01 to 30% by weight of a builder or an alkali agent; and (d) the balance of water.Type: GrantFiled: June 11, 1999Date of Patent: May 15, 2001Assignee: Kao CorporationInventors: Takumi Inoue, Kazunori Tsukuda, Mitsuru Uno, Noriyuki Morii