Patents by Inventor Kazuo Isobe

Kazuo Isobe 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: 9353334
    Abstract: The present invention discloses the method for cleaning a medical instrument using a treatment liquid, wherein the treatment liquid contains: (A) an alkanolamine in an amount of 0.004 to 1% by mass, (B) a nonionic surfactant in an amount of 0.002 to 1% by mass, (C) a polyhydric alcohol in an amount of 0.004 to 10% by mass, (D) an alkaline protease in an effective amount, and (E) water, and has a pH of not lower than 9.
    Type: Grant
    Filed: December 28, 2010
    Date of Patent: May 31, 2016
    Assignee: KAO CORPORATION
    Inventors: Kazuo Isobe, Masaya Nishio, Tatsuya Sakai
  • Patent number: 8829055
    Abstract: A drug and a composition for inhibiting biofilm formation are provided. A biofilm formation inhibitor composition containing the following component (A): (A) at least one or more selected from compounds represented by Formula (1) to Formula (4): wherein R1 to R5 each represent an alkyl group or the like; EO represents an ethyleneoxy group; p represents an integer from 0 to 5; and m+n represents a number from 0 to 30, or a salt thereof; and (B) a surfactant.
    Type: Grant
    Filed: March 23, 2007
    Date of Patent: September 9, 2014
    Assignee: Kao Corporation
    Inventors: Tetsuya Okano, Shinya Iwasaki, Kazuo Isobe, Eiko Ishizuka
  • Publication number: 20130296213
    Abstract: The present invention discloses the method for cleaning a medical instrument using a treatment liquid, wherein the treatment liquid contains: (A) an alkanolamine in an amount of 0.004 to 1% by mass, (B) a nonionic surfactant in an amount of 0.002 to 1% by mass, (C) a polyhydric alcohol in an amount of 0.004 to 10% by mass, (D) an alkaline protease in an effective amount, and (E) water, and has a pH of not lower than 9.
    Type: Application
    Filed: December 28, 2010
    Publication date: November 7, 2013
    Applicant: KAO CORPORATION
    Inventors: Kazuo Isobe, Masaya Nishio, Tatsuya Sakai
  • Patent number: 8382912
    Abstract: A biofilm-removing agent which effectively removes biofilms is provided. A biofilm-removing agent containing a basic amino acid derivative represented by the following formula (1) or a salt thereof: (wherein R1 represents a linear- or branched-alkyl group having 4 to 18 carbon atoms or a linear- or branched-alkenyl group having 4 to 18 carbon atoms; X and Y each represent a group selected from the groups represented by the following formulas: and m represents an integer from 1 to 5).
    Type: Grant
    Filed: November 27, 2008
    Date of Patent: February 26, 2013
    Assignee: KAO Corporation
    Inventors: Kazuo Isobe, Yuji Okauchi
  • Publication number: 20100261631
    Abstract: A biofilm-removing agent which effectively removes biofilms is provided. A biofilm-removing agent containing a basic amino acid derivative represented by the following formula (1) or a salt thereof: (wherein R1 represents a linear- or branched-alkyl group having 4 to 18 carbon atoms or a linear- or branched-alkenyl group having 4 to 18 carbon atoms; X and Y each represent a group selected from the groups represented by the following formulas: and m represents an integer from 1 to 5).
    Type: Application
    Filed: November 27, 2008
    Publication date: October 14, 2010
    Inventors: Kazuo Isobe, Yuji Okauchi
  • Publication number: 20090275652
    Abstract: A drug and a composition for inhibiting biofilm formation are provided. A biofilm formation inhibitor composition containing the following component (A): (A) at least one or more selected from compounds represented by Formula (1) to Formula (4): wherein R1 to R5 each represent an alkyl group or the like; EO represents an ethyleneoxy group; p represents an integer from 0 to 5; and m+n represents a number from 0 to 30, or a salt thereof; and (B) a surfactant.
    Type: Application
    Filed: March 23, 2007
    Publication date: November 5, 2009
    Applicant: KAO CORPORATION
    Inventors: Tetsuya Okano, Shinya Iwasaki, Kazuo Isobe, Eiko Ishizuka
  • Publication number: 20090123449
    Abstract: The present invention provides a composition for controlling the formation of a biofilm composed of microorganisms and microorganism-producing substances or for promoting the removal of a biofilm in various fields and a method for suppressing biofilm formation and for removing a biofilm. The present invention provides a composition of a biofilm control agent containing the following component (A) and component (B): (A) one or more compounds selected from the group consisting of compounds represented by the general formulas (1), (2), (3), and (4): (wherein R1, R2, R3, and R5 each represent an alkyl group or alkenyl group; R4 represents a hydrogen atom or an alkyl group; EO represents an ethyleneoxy group; p represents an integer of 0 to 3; and m and n each represent the average number of added moles and m+n represents a number of 0 to 15); and (B) an enzyme.
    Type: Application
    Filed: April 20, 2007
    Publication date: May 14, 2009
    Applicant: Kao Corporation
    Inventors: Kazuo Isobe, Tetsuya Okano, Shinya Iwasaki, Yuji Okauchi
  • Patent number: 6667382
    Abstract: The present invention provides an amine or polyamine, which has a surface activity not inferior to a solid tallow-based amine and an excellent workability. A salt of the amine is suited for emulsifying asphalt and the like, and also provides an asphalt emulsion composition which is obtained by using the salt and which has a quick setting property. Namely, the prevent invention provides a polyamine represented by the formula (1), a process for producing the amine, and an asphalt emulsion composition containing a water-soluble salt of the amine. wherein R is a straight or branched hydrocarbon group having 8 to 22 carbon atoms; x is a number of 1 to 5; and each of y and z is a number of 0 to 5 with the proviso that both of y and z are not 0 at the same time.
    Type: Grant
    Filed: November 1, 2000
    Date of Patent: December 23, 2003
    Assignee: Kao Corporation
    Inventors: Kazuo Isobe, Ryoichi Tamaki, Keiichiro Tomioka, Wataru Yoshida, Tetsuaki Fukushima, Uichiro Nishimoto
  • Patent number: 6264185
    Abstract: A suction pad (A) is adapted to be placed on a suction table (2) a plurality of openings (2a) connected to a negative pressure generating source (3) in order to fix a work piece (W) by suction on a top surface (5d) of the suction pad (A). The suction pad (A) includes a communicating passage (5a, 5b, 5c and 6a) for communicating the top surface (5d) with a bottom surface (6b) of the suction pad (A) and for communicating negative pressure from the openings (2a) of the suction table (2) to the top surface (5d) of the suction pad (A) when the suction pad (A) is placed on any one of the openings (2a) of the suction table (2). A magnet (10) is provided for attracting a plug (4) for normally closing each of the openings (2a) of the suction table (2) so as to communicate the negative pressure generating source (3) with the communicating passage (5a, 5b, 5c and 6a).
    Type: Grant
    Filed: April 19, 2000
    Date of Patent: July 24, 2001
    Assignee: Shoda Iron Works Co., Ltd.
    Inventors: Kazuo Isobe, Hiroshi Shoda
  • Patent number: 6261356
    Abstract: The present invention provides an additive for asphalt which causes an improvement in anti-stripping effect of asphalt from aggregates, and exhibits the effect quickly. That is, the present invention provides an asphalt-additive composition comprising (A) a specific acidic phosphoric acid compound, and (B) at least one member selected from the group consisting of mineral oil, alcohol having 8 to 18 carbon atoms, carboxylic acid having 8 to 18 carbon atoms and triglyceride thereof; with the proviso that the amount of the (B) component is 25-400 parts by weight per 100 parts by weight of the (A) component.
    Type: Grant
    Filed: September 10, 1999
    Date of Patent: July 17, 2001
    Assignee: Kao Corporation
    Inventors: Kazuo Isobe, Ryoichi Tamaki, Keiichiro Tomioka
  • Patent number: 6114418
    Abstract: The present invention provides an oil-in-water asphalt emulsion having excellent stability in a stationary state. That is, the present invention provides a method for emulsifying an asphalt in water, which comprises the step of mixing the asphalt and water with an emulsifier comprising a nonionic compound (1) having the formula (1):R--O--(C.sub.2 H.sub.4 O).sub.x --(CH(CH.sub.3)--CH.sub.2 --O).sub.y --(C.sub.2 H.sub.4 O).sub.z --H (1)in which R is an alkyl or an alkenyl, having 8 to 22 carbon atoms, being either straight or branched; x is a number of 0 to 40; y is a number of 1 to 10; and z is a number of 1 to 80.
    Type: Grant
    Filed: October 16, 1998
    Date of Patent: September 5, 2000
    Assignee: Kao Corporation
    Inventors: Kazuo Isobe, Ryoichi Tamaki
  • Patent number: 6024788
    Abstract: The present invention provides an asphalt composition comprising an asphalt and antistripping additive comprising at least one of the compound having the formula (I), (II) or (III):[R.sup.1 O--(PO).sub.m (EO).sub.n ].sub.x --P(=O)--(OH).sub.y(I)wherein R.sup.1 represents a linear hydrocarbon radical having 8 to 24 carbon atoms or an alkyl phenyl group having 8 to 24 carbon atoms, PO represents oxypropylene group, EO represents oxyethylene group, each of m and n represents the number of added molecules, m is a number of 1 to 6, n is a number of 0 to 6;[R.sup.2 O--(PO).sub.m (EO).sub.n ].sub.x --P(=O)--(OH).sub.y(II)wherein R.sup.2 represents an aliphatic hydrocarbon radical having a branched methyl group and having 8 to 24 carbon atoms, PO represents oxypropylene group, EO represents oxyethylene group, each of m and n represents the number of added molecules, m is a number of 0 to 6, n is a number of 0 to 6; and[R.sup.3 O--(PO).sub.m (EO).sub.n ].sub.x --P(=O)--(OH).sub.y(III)wherein R.sup.
    Type: Grant
    Filed: December 14, 1998
    Date of Patent: February 15, 2000
    Assignee: Kao Corporation
    Inventors: Keiichiro Tomioka, Ryoichi Tamaki, Kazuo Isobe
  • Patent number: 5783535
    Abstract: The present invention relates to a detergent composition which comprises (A) an amidoether derivative mixture (A) comprising an amidoether carboxylic acid or a salt thereof, an amidoether, and a glycerin derivative; and (B) a conditioning component, wherein the total amount of the amidoether carboxylic acid or a salt thereof and the amidoether is 50 wt % or more; the weight ratio of the amidoether carboxylic acid or a salt thereof to the amidoether is from 99:1 to 10:90; and the amount of the glycerin derivative is 5 wt % or less.
    Type: Grant
    Filed: June 17, 1997
    Date of Patent: July 21, 1998
    Assignee: Kao Corporation
    Inventors: Kazuo Isobe, Toshikazu Azuma, Hideyo Nishikawa, Takashi Imamura
  • Patent number: 5700772
    Abstract: A detergent composition, comprising (A) an amide-ether derivative mixture comprising an amide-ether carboxylic acid or a salt thereof (1) and an amide-ether (2) in a weight ratio (1)/(2) of 99:1 to 10:90 in a proportion of at least 50 wt.% in total based on solids in the component (A), and containing glycerol derivatives (3) in a proportion not higher than 5 wt.% of the solids, and (B) an amphoteric surfactant. ##STR1## wherein R.sup.1 is a C.sub.5-23 alkyl or alkenyl group, or a phenyl group substituted by such an alkyl group, R.sup.2 is H, --(CH.sub.2 CH.sub.2 O).sub.n CH.sub.2 COOM, --(CH.sub.2 CH.sub.2 O).sub.m H or C.sub.1-3 alkyl group, M is a cation such as H or alkali metal, n and m are independently a number of 1-20, R.sup.3 is H, --(CH.sub.2 CH.sub.2 O).sub.m H or C.sub.1-3 alkyl group, and R.sup.4 is H, --(CH.sub.2 CH.sub.2 O).sub.n CH.sub.2 COOM or --(CH.sub.2 CH.sub.2 O).sub.m H. The composition has low irritativeness and high foamability, and produce creamy foams.
    Type: Grant
    Filed: April 10, 1996
    Date of Patent: December 23, 1997
    Assignee: Kao Corporation
    Inventors: Kazuo Isobe, Toshikazu Azuma, Hideyo Nishikawa, Takashi Imamura
  • Patent number: 5693605
    Abstract: A detergent composition, comprising (A) an amide-ether derivative mixture comprising an amide-ether carboxylic acid or a salt thereof (1) and an amide-ether (2) in a weight ratio (1)/(2) of 99:1 to 10:90 in a proportion of at least 50 wt. % in total based on solids in the component (A), and containing glycerol derivatives (3) in a proportion not higher than 5 wt. % of the solids, and (B) a specific anionic surfactant such as a polyoxyalkylene alkyl ether sulfosuccinate (salt) or .alpha.-olefinsulfonic acid (salt). ##STR1## wherein R.sup.1 is a C.sub.5-23 alkyl or alkenyl group, or a phenyl group substituted by such an alkyl group, R.sup.2 is H, --(CH.sub.2 CH.sub.2 O).sub.n CH.sub.2 COOM, --(CH.sub.2 CH.sub.2 O).sub.m H or C.sub.1-3 alkyl group, M is a cation such as H or alkali metal, n and m are independently a number of 1-20, R.sup.3 is H, --(CH.sub.2 CH.sub.2 O).sub.m H or C.sub.1-3 alkyl group, and R.sup.4 is H, --(CH.sub.2 CH.sub.2 O).sub.n CH.sub.2 COOM or --(CH.sub.2 CH.sub.2 O).sub.m H.
    Type: Grant
    Filed: April 10, 1996
    Date of Patent: December 2, 1997
    Assignee: Kao Corporation
    Inventors: Kazuo Isobe, Toshikazu Azuma, Hideyo Nishikawa, Takashi Imamura
  • Patent number: 5437693
    Abstract: A heavy oil emulsion fuel composition which contains heavy oils, such as bitumen and asphalt, wherein the heavy oil emulsion fuel composition can be used as a substitute fuel for heavy fuel oils, and has an enhanced combustion efficiency to thereby reduce the content of soot, dust and nitrogen oxides after combustion, which comprises (a) 40 to 85% by weight of a heavy oil, (b) 10 to 40% by weight of water, (c) 0.1 to 5% by weight of a surfactant and (d) at least 0.1% by weight of at least one component selected from the group consisting of water-soluble compounds having in its molecule two or more hydroxyl groups, monohydric alcohols having 6 or more carbon atoms, and mixtures thereof.
    Type: Grant
    Filed: March 8, 1994
    Date of Patent: August 1, 1995
    Assignees: Kao Corporation, Nippon Oil Company, Limited
    Inventors: Masanori Iizuka, Takao Taniguchi, Kazuo Isobe, Sayuri Tamaki, Tadakazu Yamashita, Shinichi Satake
  • Patent number: 5411558
    Abstract: An oil-in-water type heavy oil emulsion fuel having a specific and broad particle size distribution which has a viscosity close to that of water, can be sufficiently atomized at a temperature of room temperature to 90.degree. C., is excellent in the handleability and fluidity, despite a very high heavy oil concentration, and has a very excellent stability such that neither precipitation nor increase in the viscosity occurs even after storage for a long period of time is prepared according to the present invention. Oil-in-water type heavy oil emulsion fuel according to the present invention can be used as a substitute fuel for heavy fuel oil without modification of the boilers. Further, the combustion efficiency of the heavy oil emulsion fuel according to the present invention is high and it is possible to reduce the amount of nitrogen oxides and sulfur oxides after combustion.
    Type: Grant
    Filed: August 26, 1993
    Date of Patent: May 2, 1995
    Assignees: Kao Corporation, Nippon Oil Company, Limited
    Inventors: Takao Taniguchi, Masanori Iizuka, Kazuo Isobe, Sayuri Tamaki, Shinichi Satake, Tadakazu Yamashita