Patents by Inventor Takeshi Tomifuji

Takeshi Tomifuji 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: 8598255
    Abstract: The present invention provides the early strengthening agent for hydraulic compositions containing a compound (a) obtained by reacting (A) one or more compounds selected from polyhydric alcohols having 3 to 20 hydroxy groups and alkylene oxide adducts thereof with (B) a sulfating agent, and the additive composition for hydraulic compositions containing the compound (a).
    Type: Grant
    Filed: July 16, 2009
    Date of Patent: December 3, 2013
    Assignee: Kao Corporation
    Inventors: Toshimasa Hamai, Masaaki Shimoda, Makoto Okubo, Takao Taniguchi, Takeshi Tomifuji, Masato Nomura
  • Patent number: 8567703
    Abstract: The present invention produces the hydraulic powder through grinding of the hydraulic compound in the presence of a compound (a) prepared by reacting (A) at least one compound selected from polyhydric alcohols and alkylene oxide adducts thereof with (B) a sulfating agent.
    Type: Grant
    Filed: July 16, 2009
    Date of Patent: October 29, 2013
    Assignee: Kao Corporation
    Inventors: Masaaki Shimoda, Toshimasa Hamai, Makoto Okubo, Takeshi Tomifuji, Masato Nomura
  • Patent number: 8324141
    Abstract: Disclosed is a surfactant composition containing an alkyl sulfate ester salt derivative represented by the following general formula (1). R—O—(PO)n—SO3m (1) (In the formula, R represents a linear alkyl group having 8-24 carbon atoms; PO represents a propyleneoxy group; n represents an average mole number of added PO that is a number satisfying 0<n?0.9; and M represents a cation.
    Type: Grant
    Filed: July 9, 2008
    Date of Patent: December 4, 2012
    Assignee: Kao Corporation
    Inventors: Masato Nomura, Toshihiro Tanaka, Takeshi Tomifuji
  • Patent number: 8309510
    Abstract: The invention relates to a surfactant composition containing an alkyl ether sulfate represented by the following formula (1): RO—(PO)m(EO)nSO3M??(1) wherein R represents a linear alkyl group having 8 to 24 carbon atoms, PO and EO represent a propyleneoxy group and an ethyleneoxy group, respectively, m and n denote the average numbers of added moles of PO and EO, respectively, and are numbers meeting: 0<m<1 and 0<n?2.3, respectively, and M represents a cation.
    Type: Grant
    Filed: July 9, 2008
    Date of Patent: November 13, 2012
    Assignee: Kao Corporation
    Inventors: Keisuke Chiba, Toshihiro Tanaka, Takeshi Tomifuji
  • Publication number: 20110266496
    Abstract: The present invention provides a surfactant composition containing (a) 40 to 58% by mass of specific polyoxyalkylene alkyl ether sulfate ester salt having a structure formed by addition of propylene oxide, (b) 13 to 20% by mass of alcohol having 1 to 6 carbon atoms, (c) 0.002 to 0.5% by mass of alkaline agent, and water.
    Type: Application
    Filed: December 25, 2009
    Publication date: November 3, 2011
    Inventors: Yoshinori Mitsuda, Takeshi Tomifuji, Tetsuaki Fukushima
  • Publication number: 20110100266
    Abstract: The present invention provides the early strengthening agent for hydraulic compositions containing a compound (a) obtained by reacting (A) one or more compounds selected from polyhydric alcohols having 3 to 20 hydroxy groups and alkylene oxide adducts thereof with (B) a sulfating agent, and the additive composition for hydraulic compositions containing the compound (a).
    Type: Application
    Filed: July 16, 2009
    Publication date: May 5, 2011
    Applicant: KAO CORPORATION
    Inventors: Toshimasa Hamai, Masaaki Shimoda, Makoto Okubo, Takao Taniguchi, Takeshi Tomifuji, Masato Nomura
  • Publication number: 20110100264
    Abstract: The present invention produces the hydraulic powder through grinding of the hydraulic compound in the presence of a compound (a) prepared by reacting (A) at least one compound selected from polyhydric alcohols and alkylene oxide adducts thereof with (B) a sulfating agent.
    Type: Application
    Filed: July 16, 2009
    Publication date: May 5, 2011
    Inventors: Masaaki Shimoda, Toshimasa Hamai, Makoto Okubo, Takeshi Tomifuji, Masato Nomura
  • Publication number: 20100160206
    Abstract: The invention relates to a surfactant composition containing an alkyl ether sulfate represented by the following formula (1): RO—(PO)m(EO)nSO3M??(1) wherein R represents a linear alkyl group having 8 to 24 carbon atoms, PO and EO represent a propyleneoxy group and an ethyleneoxy group, respectively, m and n denote the average numbers of added moles of PO and EO, respectively, and are numbers meeting: 0<m<1 and 0<n?2.3, respectively, and M represents a cation.
    Type: Application
    Filed: July 9, 2008
    Publication date: June 24, 2010
    Applicant: Kao Corporation
    Inventors: Keisuke Chiba, Toshihiro Tanaka, Takeshi Tomifuji
  • Patent number: 7214718
    Abstract: The present invention provides a softening base and a softener having biodegradability employing a quaternary ammonium salt composition comprising (M) a monoester quaternary salt represented by the formula (I), (D) a diester quaternary salt represented by the formula (II) and (T) a triester quaternary salt represented by the formula (III), wherein the amount of (M) is 15 to 85% by weight, the amount of (D) is 0 to 44% by weight and the amount of (T) is 15 to 85% by weight based on the total amounts of (M), (D) and (T). The present invention also provides a process for producing the softener base and composition. wherein R, R1, n and X? are defined herein.
    Type: Grant
    Filed: October 27, 2000
    Date of Patent: May 8, 2007
    Assignee: Kao Corporation
    Inventors: Yasuki Ohtawa, Tohru Katoh, Takeshi Tomifuji
  • Patent number: 7115779
    Abstract: A softener composition, which contains tri-long-chain alkyl quaternary ammonium salt that has been considered to be difficult to use as a softener base agent, and which can provide a softener composition that provides a sufficient softening performance, is provided with (A) a cationic surfactant comprising at least one selected from the group consisting of quaternary ammonium salts represented by the formulae (I), (II) or (III), wherein the ratio of quaternary ammonium salt represented by the formula (I) to the total amount of these salts exceeds 50 weight %, with the ratio thereof represented by (III) being set to not more than 10%, and (B) at least one nonionic surfactant. In this case, (A) may include tertiary amine. (wherein, R1, R2 and R3 represent long-chain alkyl groups, etc. having total carbon atoms of 8 to 40, which may be intersected by an ether group, an ester group or an amide group; R4 represents an alkyl group, etc. having carbon atoms of 1 to 6, and X? represents an anionic group.
    Type: Grant
    Filed: October 19, 2004
    Date of Patent: October 3, 2006
    Assignee: Kao Corporation
    Inventors: Yasuki Ohtawa, Takeshi Tomifuji, Akira Sakaguchi, Tohru Katoh
  • Publication number: 20050107634
    Abstract: A softener composition, which contains tri-long-chain alkyl quaternary ammonium salt that has been considered to be difficult to use as a softener base agent, and which can provide a softener composition that provides a sufficient softening performance, is provided with (A) a cationic surfactant comprising at least one selected from the group consisting of quaternary ammonium salts represented by the formulae (I), (II) or (III), wherein the ratio of quaternary ammonium salt represented by the formula (I) to the total amount of these salts exceeds 50 weight %, with the ratio thereof represented by (III) being set to not more than 10%, and (B) at least one nonionic surfactant. In this case, (A) may include tertiary amine. (wherein, R1, R2 and R3 represent long-chain alkyl groups, etc. having total carbon atoms of 8 to 40, which may be intersected by an ether group, an ester group or an amide group; R4 represents an alkyl group, etc. having carbon atoms of 1 to 6, and X? represents an anionic group.
    Type: Application
    Filed: October 19, 2004
    Publication date: May 19, 2005
    Inventors: Yasuki Ohtawa, Takeshi Tomifuji, Akira Sakaguchi, Tohru Katoh
  • Patent number: 6855682
    Abstract: A softener composition, which contains tri-long-chain alkyl quaternary ammonium salt that has been considered to be difficult to use as a softener base agent, and which can provide a softener composition that provides a sufficient softening performance, is provided with (A) a cationic surfactant comprising at least one selected from the group consisting of quaternary ammonium salts represented by the formulae (I), (II) or (III), wherein the ratio of quaternary ammonium salt represented by the formula (I) to the total amount of these salts exceeds 50 weight %, with the ratio thereof represented by (III) being set to not more than 10%, and (B) at least one nonionic surfactant. In this case, (A) may include tertiary amine. (wherein, R1, R2 and R3 represent long-chain alkyl groups, etc. having total carbon atoms of 8 to 40, which may be intersected by an ether group, an ester group or an amide group; R4 represents an alkyl group, etc. having carbon atoms of 1 to 6, and X? represents an anionic group.
    Type: Grant
    Filed: March 8, 2002
    Date of Patent: February 15, 2005
    Assignee: Kao Corporation
    Inventors: Yasuki Ohtawa, Takeshi Tomifuji, Akira Sakaguchi, Tohru Katoh
  • Publication number: 20030036499
    Abstract: A softener composition, which contains tri-long-chain alkyl quaternary ammonium salt that has been considered to be difficult to use as a softener base agent, and which can provide a softener composition that provides a sufficient softening performance, is provided with (A) a cationic surfactant comprising at least one selected from the group consisting of quaternary ammonium salts represented by the formulae (I), (II) or (III), wherein the ratio of quaternary ammonium salt represented by the formula (I) to the total amount of these salts exceeds 50 weight %, with the ratio thereof represented by (III) being set to not more than 10%, and (B) at least one nonionic surfactant. In this case, (A) may include tertiary amine.
    Type: Application
    Filed: March 8, 2002
    Publication date: February 20, 2003
    Inventors: Yasuki Ohtawa, Takeshi Tomifuji, Akira Sakaguchi, Tohru Katoh
  • Patent number: 5985794
    Abstract: A method for enhancing an efficacy of an agricultural chemical which comprises incorporating a specific quaternary ammonium enhancer into a diluted solution of the agricultural chemical.
    Type: Grant
    Filed: December 4, 1997
    Date of Patent: November 16, 1999
    Assignee: KAO Corporation
    Inventors: Keiko Hasebe, Yuichi Hioki, Osamu Tachizawa, Takeshi Tomifuji, Tohru Katoh, Uichiro Nishimoto, Yoshifumi Nishimoto, Kohshiro Sotoya
  • Patent number: 5728649
    Abstract: A method for enhancing an efficacy of an agricultural chemical which comprises incorporating a specific quaternary ammonium enhancer into a diluted solution of the agricultural chemical.
    Type: Grant
    Filed: June 6, 1995
    Date of Patent: March 17, 1998
    Assignee: Kao Corporation
    Inventors: Keiko Hasebe, Yuichi Hioki, Osamu Tachizawa, Takeshi Tomifuji, Tohru Katoh, Uichiro Nishimoto, Yoshifumi Nishimoto, Kohshiro Sotoya
  • Patent number: 5677473
    Abstract: A process for preparing branched chain fatty acids or alkyl esters thereof comprising at least a step wherein unsaturated fatty acids having 10 to 25 carbon atoms, alkyl esters thereof or mixtures thereof are subjected to skeletal isomerization reaction in the presence of water or a lower alcohol at a temperature of 150.degree. to 350.degree. C. using a zeolite as a catalyst, the zeolite having a linear pore structure of pore size that is small enough to retard dimerization and large enough to allow diffusion of the branched chain fatty acids or alkyl esters thereof.
    Type: Grant
    Filed: May 17, 1995
    Date of Patent: October 14, 1997
    Assignee: Kao Corporation
    Inventors: Takeshi Tomifuji, Hiroshi Abe, Yoshihisa Matsumura, Yasumitsu Sakuma
  • Patent number: 5563111
    Abstract: A method for enhancing the effectiveness of an agricultural chemical which comprises incorporating a specific enhancer into a diluted solution of the agricultural chemical.The specific enhancer is a quaternary ammonium salt or a amine.
    Type: Grant
    Filed: July 18, 1994
    Date of Patent: October 8, 1996
    Assignee: Kao Corporation
    Inventors: Yuichi Hioki, Keiko Hasebe, Tadayuki Suzuki, Osamu Tachizawa, Takeshi Tomifuji, Tohru Katoh, Kohshiro Sotoya, Keiichiro Tomioka, Uichiro Nishimoto, Yoshifumi Nishimoto, Yasuki Ohtawa
  • Patent number: 5538937
    Abstract: A method for enhancing an efficacy of an agricultural chemical which comprises incorporating a quaternary ammonium enhancer into a diluted solution of the agricultural chemical.
    Type: Grant
    Filed: June 6, 1995
    Date of Patent: July 23, 1996
    Inventors: Keiko Hasebe, Yuichi Hioki, Osamu Tachizawa, Takeshi Tomifuji, Tohru Katoh, Uichiro Nishimoto, Yoshifumi Nishimoto, Kohshiro Sotoya