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).

  • Patent number: 8288331
    Abstract: 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: Grant
    Filed: June 20, 2006
    Date of Patent: October 16, 2012
    Assignee: Kao Corporation
    Inventors: Junya Hanai, Toshiharu Noguchi, Kazunori Tsukuda
  • Patent number: 7985724
    Abstract: 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: Grant
    Filed: July 19, 2007
    Date of Patent: July 26, 2011
    Assignee: Kao Corporation
    Inventors: Takumi Inoue, Junya Hanai, Kazunori Tsukuda
  • Publication number: 20100152090
    Abstract: 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: Application
    Filed: June 20, 2006
    Publication date: June 17, 2010
    Applicant: KAO CORPORATION
    Inventors: Junya Hanai, Toshiharu Noguchi, Kazunori Tsukuda
  • Patent number: 7695569
    Abstract: 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: Grant
    Filed: November 16, 2005
    Date of Patent: April 13, 2010
    Assignee: Kao Corporation
    Inventors: Yosuke Nakagawa, Noriyuki Morii, Kazunori Tsukuda, Kenichi Shiba, Hirofumi Mizukoshi
  • Publication number: 20090197793
    Abstract: 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: Application
    Filed: July 17, 2007
    Publication date: August 6, 2009
    Applicant: Kao Corporation
    Inventors: Takumi Inoue, Junya Hanai, Kazunori Tsukuda
  • Patent number: 7544649
    Abstract: 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: Grant
    Filed: February 21, 2003
    Date of Patent: June 9, 2009
    Assignee: Kao Corporation
    Inventors: Shin Aihara, Yosuke Komatsu, Kazunori Tsukuda, Seiichi Miyanaga, Kenichi Shiba
  • Patent number: 7501387
    Abstract: 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: Grant
    Filed: February 21, 2003
    Date of Patent: March 10, 2009
    Assignee: Kao Corporation
    Inventors: Shin Aihara, Yosuke Komatsu, Kazunori Tsukuda, Seiichi Miyanaga, Kenichi Shiba
  • Publication number: 20080261856
    Abstract: 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: Application
    Filed: November 16, 2005
    Publication date: October 23, 2008
    Applicant: Kao Corporation
    Inventors: Yosuke Nakagawa, Noriyuki Morii, Kazunori Tsukuda, Kenichi Shiba, Hirofumi Mizukoshi
  • Patent number: 7141538
    Abstract: 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: Grant
    Filed: April 7, 2004
    Date of Patent: November 28, 2006
    Assignee: Kao Corporation
    Inventors: Toshiharu Noguchi, Junya Hanai, Kazunori Tsukuda, Mitsuru Uno
  • Patent number: 7098181
    Abstract: 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: Grant
    Filed: May 13, 2003
    Date of Patent: August 29, 2006
    Assignee: Kao Corporation
    Inventors: Takumi Inoue, Kazunori Tsukuda, Mitsuru Uno
  • Publication number: 20060058211
    Abstract: 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: Application
    Filed: February 21, 2003
    Publication date: March 16, 2006
    Inventors: Shin Aihara, Yosuke Komatsu, Kazunori Tsukuda, Seiichi Niyanaga, Kenichi Shiba
  • Patent number: 6921745
    Abstract: 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: Grant
    Filed: April 15, 2002
    Date of Patent: July 26, 2005
    Assignee: Kao Corporation
    Inventors: Hiroyuki Yamada, Hirohiko Ishida, Kazunori Tsukuda
  • Publication number: 20050070456
    Abstract: 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: Application
    Filed: February 21, 2003
    Publication date: March 31, 2005
    Inventors: Shin Aihara, Yosuke Komatsu, Kazunori Tsukuda, Seiichi Miyanaga, Kenichi Shiba
  • Publication number: 20050003989
    Abstract: 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: Application
    Filed: April 7, 2004
    Publication date: January 6, 2005
    Inventors: Toshiharu Noguchi, Junya Hanai, Kazunori Tsukuda, Mitsuru Uno
  • Publication number: 20040132630
    Abstract: 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: Application
    Filed: September 30, 2003
    Publication date: July 8, 2004
    Inventors: Hiroyuki Yamada, Hirohiko Ishida, Kazunori Tsukuda
  • Publication number: 20040023834
    Abstract: 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: Application
    Filed: May 13, 2003
    Publication date: February 5, 2004
    Applicant: KAO CORPORATION
    Inventors: Takumi Inoue, Kazunori Tsukuda, Mitsuru Uno
  • Patent number: 6482791
    Abstract: 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: Grant
    Filed: January 31, 2002
    Date of Patent: November 19, 2002
    Assignee: Kao Corporation
    Inventors: Yutaka Sano, Hiroyuki Yamada, Kazunori Tsukuda
  • Publication number: 20020151455
    Abstract: 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: Application
    Filed: January 31, 2002
    Publication date: October 17, 2002
    Applicant: Kao Corporation
    Inventors: Yutaka Sano, Hiroyuki Yamada, Kazunori Tsukuda
  • Patent number: 6387867
    Abstract: 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: Grant
    Filed: April 6, 2001
    Date of Patent: May 14, 2002
    Assignee: Kao Corporation
    Inventors: Akira Ishikawa, Takumi Inoeu, Kazutoshi Ide, Kazunori Tsukuda
  • Patent number: 6232283
    Abstract: 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: Grant
    Filed: June 11, 1999
    Date of Patent: May 15, 2001
    Assignee: Kao Corporation
    Inventors: Takumi Inoue, Kazunori Tsukuda, Mitsuru Uno, Noriyuki Morii