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).
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Patent number: 8598255Abstract: 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: GrantFiled: July 16, 2009Date of Patent: December 3, 2013Assignee: Kao CorporationInventors: Toshimasa Hamai, Masaaki Shimoda, Makoto Okubo, Takao Taniguchi, Takeshi Tomifuji, Masato Nomura
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Patent number: 8567703Abstract: 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: GrantFiled: July 16, 2009Date of Patent: October 29, 2013Assignee: Kao CorporationInventors: Masaaki Shimoda, Toshimasa Hamai, Makoto Okubo, Takeshi Tomifuji, Masato Nomura
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Patent number: 8324141Abstract: 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: GrantFiled: July 9, 2008Date of Patent: December 4, 2012Assignee: Kao CorporationInventors: Masato Nomura, Toshihiro Tanaka, Takeshi Tomifuji
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Patent number: 8309510Abstract: 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: GrantFiled: July 9, 2008Date of Patent: November 13, 2012Assignee: Kao CorporationInventors: Keisuke Chiba, Toshihiro Tanaka, Takeshi Tomifuji
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Publication number: 20110266496Abstract: 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: ApplicationFiled: December 25, 2009Publication date: November 3, 2011Inventors: Yoshinori Mitsuda, Takeshi Tomifuji, Tetsuaki Fukushima
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Publication number: 20110100266Abstract: 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: ApplicationFiled: July 16, 2009Publication date: May 5, 2011Applicant: KAO CORPORATIONInventors: Toshimasa Hamai, Masaaki Shimoda, Makoto Okubo, Takao Taniguchi, Takeshi Tomifuji, Masato Nomura
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Publication number: 20110100264Abstract: 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: ApplicationFiled: July 16, 2009Publication date: May 5, 2011Inventors: Masaaki Shimoda, Toshimasa Hamai, Makoto Okubo, Takeshi Tomifuji, Masato Nomura
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Publication number: 20100160206Abstract: 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: ApplicationFiled: July 9, 2008Publication date: June 24, 2010Applicant: Kao CorporationInventors: Keisuke Chiba, Toshihiro Tanaka, Takeshi Tomifuji
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Patent number: 7214718Abstract: 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: GrantFiled: October 27, 2000Date of Patent: May 8, 2007Assignee: Kao CorporationInventors: Yasuki Ohtawa, Tohru Katoh, Takeshi Tomifuji
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Patent number: 7115779Abstract: 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: GrantFiled: October 19, 2004Date of Patent: October 3, 2006Assignee: Kao CorporationInventors: Yasuki Ohtawa, Takeshi Tomifuji, Akira Sakaguchi, Tohru Katoh
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Publication number: 20050107634Abstract: 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: ApplicationFiled: October 19, 2004Publication date: May 19, 2005Inventors: Yasuki Ohtawa, Takeshi Tomifuji, Akira Sakaguchi, Tohru Katoh
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Patent number: 6855682Abstract: 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: GrantFiled: March 8, 2002Date of Patent: February 15, 2005Assignee: Kao CorporationInventors: Yasuki Ohtawa, Takeshi Tomifuji, Akira Sakaguchi, Tohru Katoh
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Publication number: 20030036499Abstract: 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: ApplicationFiled: March 8, 2002Publication date: February 20, 2003Inventors: Yasuki Ohtawa, Takeshi Tomifuji, Akira Sakaguchi, Tohru Katoh
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Patent number: 5985794Abstract: 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: GrantFiled: December 4, 1997Date of Patent: November 16, 1999Assignee: KAO CorporationInventors: Keiko Hasebe, Yuichi Hioki, Osamu Tachizawa, Takeshi Tomifuji, Tohru Katoh, Uichiro Nishimoto, Yoshifumi Nishimoto, Kohshiro Sotoya
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Patent number: 5728649Abstract: 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: GrantFiled: June 6, 1995Date of Patent: March 17, 1998Assignee: Kao CorporationInventors: Keiko Hasebe, Yuichi Hioki, Osamu Tachizawa, Takeshi Tomifuji, Tohru Katoh, Uichiro Nishimoto, Yoshifumi Nishimoto, Kohshiro Sotoya
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Patent number: 5677473Abstract: 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: GrantFiled: May 17, 1995Date of Patent: October 14, 1997Assignee: Kao CorporationInventors: Takeshi Tomifuji, Hiroshi Abe, Yoshihisa Matsumura, Yasumitsu Sakuma
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Patent number: 5563111Abstract: 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: GrantFiled: July 18, 1994Date of Patent: October 8, 1996Assignee: Kao CorporationInventors: Yuichi Hioki, Keiko Hasebe, Tadayuki Suzuki, Osamu Tachizawa, Takeshi Tomifuji, Tohru Katoh, Kohshiro Sotoya, Keiichiro Tomioka, Uichiro Nishimoto, Yoshifumi Nishimoto, Yasuki Ohtawa
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Patent number: 5538937Abstract: 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: GrantFiled: June 6, 1995Date of Patent: July 23, 1996Inventors: Keiko Hasebe, Yuichi Hioki, Osamu Tachizawa, Takeshi Tomifuji, Tohru Katoh, Uichiro Nishimoto, Yoshifumi Nishimoto, Kohshiro Sotoya