Patents by Inventor Hidetaka Hiyoshi

Hidetaka Hiyoshi 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: 7820861
    Abstract: A substitute aniline compound represented by the following formula (6): wherein, R1, R2 and R3 are each independently an alkyl group, an alkoxy group, an alkoxyalkyl group, a haloalkyl group, a carboxyl group, an alkoxycarbonyl group, an alkyl-carboxamide group, a nitro group, an aryl group, an arylalkyl group, an aryloxy group, a halogen atom or a hydrogen atom; and X and Y are each independently a hydrogen atom, an alkyl group, an alkoxy group, an alkoxyalkyl group, a haloalkyl group, a carboxyl group, an alkoxycarbonyl group or halogen. A process for producing the compound formula (6) is also discussed.
    Type: Grant
    Filed: April 30, 2007
    Date of Patent: October 26, 2010
    Assignee: Ihara Chemical Industry Co., Ltd.
    Inventors: Hidetaka Hiyoshi, Mahito Ogawa
  • Patent number: 7632954
    Abstract: A novel substituted Sym-triindole derivative that is applicable to a wide spectrum of uses, such as various electrification preventions, electrification controls, capacitors, batteries, chemical sensors, displays, organic EL materials, solar cells, photodiodes, phototransistors, nonlinear materials, photorefractive materials, rustproof agents, adhesives, fibers, antistatic paints, electrodeposition paints, plating primers, electric corrosion protections and the like. There is provided a substituted Sym-triindole derivative of the general formula (1) (wherein R1, R2, R3 and R4 are each independently hydrogen, a halogen, a C1-C6 alkyl or the like, provided that, in no event, all of R1, R2, R3 and R4 are hydrogen simultaneously).
    Type: Grant
    Filed: February 14, 2005
    Date of Patent: December 15, 2009
    Assignee: Ihara Chemical Industry Co., Ltd.
    Inventors: Hidetaka Hiyoshi, Hironobu Kumagai, Hideo Ooi
  • Patent number: 7531654
    Abstract: A substitute aniline compound represented by the following formula (6): wherein, R1, R2 and R3 are each independently an alkyl group, an alkoxy group, an alkoxyalkyl group, a haloalkyl group, a carboxyl group, an alkoxycarbonyl group, an alkylcarboxamide group, a nitro group, an aryl group, an arylalkyl group, an aryloxy group, a halogen atom or a hydrogen atom; and X and Y are each independently a hydrogen atom, an alkyl group, an alkoxy group, an alkoxyalkyl group, a haloalkyl group, a carboxyl group, an alkoxycarbonyl group or halogen. A process for producing the compound formula (6) is also discussed.
    Type: Grant
    Filed: April 30, 2007
    Date of Patent: May 12, 2009
    Assignee: Ihara Chemical Industry Co., Ltd.
    Inventors: Hidetaka Hiyoshi, Mahito Ogawa
  • Patent number: 7521555
    Abstract: A substitute aniline compound represented by the following formula (6): wherein, R1, R2 and R3 are each independently an alkyl group, an alkoxy group, an alkoxyalkyl group, a haloalkyl group, a carboxyl group, an alkoxycarbonyl group, an alkyl-carboxamide group, a nitro group, an aryl group, an arylalkyl group, an aryloxy group, a halogen atom or a hydrogen atom; and X and Y are each independently a hydrogen atom, an alkyl group, an alkoxy group, an alkoxyalkyl group, a haloalkyl group, a carboxyl group, an alkoxycarbonyl group or a halogen. A process for producing the compound formula (6) is also discussed.
    Type: Grant
    Filed: May 31, 2006
    Date of Patent: April 21, 2009
    Assignee: Ihara Chemical Industry Co., Ltd.
    Inventors: Hidetaka Hiyoshi, Mahito Ogawa
  • Patent number: 7504503
    Abstract: A substitute aniline compound represented by the following formula (6): wherein, R1, R2 and R3 are each independently an alkyl group, an alkoxy group, an alkoxyalkyl group, a haloalkyl group, a carboxyl group, an alkoxycarbonyl group, an alkylcarboxamide group, a nitro group, an aryl group, an arylalkyl group, an aryloxy group, a halogen atom or a hydrogen atom; and X and Y are each independently a hydrogen atom, an alkyl group, an alkoxy group, an alkoxyalkyl group, a haloalkyl group, a carboxyl group, an alkoxycarbonyl group or halogen. A process for producing the compound formula (6) is also discussed.
    Type: Grant
    Filed: April 30, 2007
    Date of Patent: March 17, 2009
    Assignee: Ihara Chemical Industry Co., Ltd.
    Inventors: Hidetaka Hiyoshi, Mahito Ogawa
  • Patent number: 7271263
    Abstract: The present invention provides a process for producing a substituted aniline compound represented by the following general formula (6): (in the formula, R1, R2 and R3 are each independently an alkyl group, an alkoxy group, an alkoxyalkyl group, a haloalkyl group, a carboxyl group, an alkoxycarbonyl group, an alkyl-carboxamide group, a nitro group, an aryl group, an arylalkyl group, an aryloxy group, a halogen atom or a hydrogen atom; and X and Y are each independently a hydrogen atom, an alkyl group, an alkoxy group, an alkoxyalkyl group, a haloalkyl group, a carboxyl group, an alkoxycarbonyl group or a halogen atom), characterized by oxidizing a substituted indole compound represented by the following general formula (3): (in the formula, R1, R2, R3, X and Y have the same definitions as given above) to give rise to the ring opening of indole ring to produce an acetanilide compound represented by the following general formula (4): (in the formula, R1, R2, R3, X and Y have the same definitions as
    Type: Grant
    Filed: October 15, 2001
    Date of Patent: September 18, 2007
    Assignee: Ihara Chemical Industry, Co., Ltd.
    Inventors: Hidetaka Hiyoshi, Mahito Ogawa
  • Publication number: 20070213533
    Abstract: The present invention provides a process for producing a substituted aniline compound represented by the following general formula (6): (in the formula, R1, R2 and R3 are each independently an alkyl group, an alkoxy group, an alkoxyalkyl group, a haloalkyl group, a carboxyl group, an alkoxycarbonyl group, an alkylcarboxamide group, a nitro group, an aryl group, an arylalkyl group, an aryloxy group, a halogen atom or a hydrogen atom; and X and Y are each independently a hydrogen atom, an alkyl group, an alkoxy group, an alkoxyalkyl group, a haloalkyl group, a carboxyl group, an alkoxycarbonyl group or a halogen atom), characterized by oxidizing a substituted indole compound represented by the following general formula (3): (in the formula, R1, R2, R3, X and Y have the same definitions as given above) to give rise to the ring opening of indole ring to produce an acetanilide compound represented by the following general formula (4): (in the formula, R1, R2, R3, X and Y have the same definitions as g
    Type: Application
    Filed: April 30, 2007
    Publication date: September 13, 2007
    Applicant: Ihara Chemical Industry Co., Ltd.
    Inventors: Hidetaka Hiyoshi, Mahito Ogawa
  • Publication number: 20070213532
    Abstract: The present invention provides a process for producing a substituted aniline compound represented by the following general formula (6): (in the formula, R1, R2 and R3 are each independently an alkyl group, an alkoxy group, an alkoxyalkyl group, a haloalkyl group, a carboxyl group, an alkoxycarbonyl group, an alkyl-carboxamide group, a nitro group, an aryl group, an arylalkyl group, an aryloxy group, a halogen atom or a hydrogen atom; and X and Y are each independently a hydrogen atom, an alkyl group, an alkoxy group, an alkoxyalkyl group, a haloalkyl group, a carboxyl group, an alkoxycarbonyl group or a halogen atom), characterized by oxidizing a substituted indole compound represented by the following general formula (3): (in the formula, R1, R2, R3, X and Y have the same definitions as given above) to give rise to the ring opening of indole ring to produce an acetanilide compound represented by the following general formula (4): (in the formula, R1, R2, R3, X and Y have the same definitions as
    Type: Application
    Filed: April 30, 2007
    Publication date: September 13, 2007
    Applicant: Ihara Chemical Industry Co., Ltd.
    Inventors: Hidetaka Hiyoshi, Mahito Ogawa
  • Publication number: 20070213561
    Abstract: The present invention provides a process for producing a substituted aniline compound represented by the following general formula (6): (in the formula, R1, R2 and R3 are each independently an alkyl group, an alkoxy group, an alkoxyalkyl group, a haloalkyl group, a carboxyl group, an alkoxycarbonyl group, an alkyl-carboxamide group, a nitro group, an aryl group, an arylalkyl group, an aryloxy group, a halogen atom or a hydrogen atom; and X and Y are each independently a hydrogen atom, an alkyl group, an alkoxy group, an alkoxyalkyl group, a haloalkyl group, a carboxyl group, an alkoxycarbonyl group or a halogen atom), characterized by oxidizing a substituted indole compound represented by the following general formula (3): (in the formula, R1, R2, R3, X and Y have the same definitions as given above) to give rise to the ring opening of indole ring to produce an acetanilide compound represented by the following general formula (4): (in the formula, R1, R2, R3, X and Y have the same definitions as
    Type: Application
    Filed: April 30, 2007
    Publication date: September 13, 2007
    Applicant: Ihara Chemical Industry Co., Ltd.
    Inventors: Hidetaka Hiyoshi, Mahito Ogawa
  • Publication number: 20070191455
    Abstract: A novel substituted Sym-triindole derivative that is applicable to a wide spectrum of uses, such as various electrification preventions, electrification controls, capacitors, batteries, chemical sensors, displays, organic EL materials, solar cells, photodiodes, phototransistors, nonlinear materials, photorefractive materials, rustproof agents, adhesives, fibers, antistatic paints, electrodeposition paints, plating primers, electric corrosion protections and the like. There is provided a substituted Sym-triindole derivative of the general formula (1) (wherein R1, R2, R3 and R4 are each independently hydrogen, a halogen, a C1-C6 alkyl or the like, provided that, in no event, all of R1, R2, R3 and R4 are hydrogen simultaneously).
    Type: Application
    Filed: February 14, 2005
    Publication date: August 16, 2007
    Inventors: Hidetaka Hiyoshi, Hironobu Kumagai, Hideo Ooi
  • Publication number: 20060281765
    Abstract: The present invention provides a process for producing a substituted aniline compound represented by the following general formula (6): (in the formula, R1, R2 and R3 are each independently an alkyl group, an alkoxy group, an alkoxyalkyl group, a haloalkyl group, a carboxyl group, an alkoxycarbonyl group, an alkyl-carboxamide group, a nitro group, an aryl group, an arylalkyl group, an aryloxy group, a halogen atom or a hydrogen atom; and X and Y are each independently a hydrogen atom, an alkyl group, an alkoxy group, an alkoxyalkyl group, a haloalkyl group, a carboxyl group, an alkoxycarbonyl group or a halogen atom), characterized by oxidizing a substituted indole compound represented by the following general formula (3): (in the formula, R1, R2, R3, X and Y have the same definitions as given above) to give rise to the ring opening of indole ring to produce an acetanilide compound represented by the following general formula (4): (in the formula, R1, R2, R3, X and Y have the same definitions as
    Type: Application
    Filed: May 31, 2006
    Publication date: December 14, 2006
    Applicant: Ihara Chemical Industry Co., Ltd.
    Inventors: Hidetaka Hiyoshi, Mahito Ogawa
  • Patent number: 7145007
    Abstract: A process for the preparation, of (pyrimidin-2-yl)methyl ketones of the general formula (I), in which R1 is in each case a C1-10-alkyl group, a C3-8-cycloalkyl group, an allyl group or an aryl-C1-4-alkyl group, and R2 is a C1-10-alkyl group or aryl group. For this, a malondiimidate of the general formula (II), in which R1 has the meaning given above, is reacted with a ?-keto ester of the general formula (III), in which R2 has the meaning given above, and R3 is a C1-10-alkyl group. The compounds which can be prepared according to the invention are intermediates for the synthesis of agrochemical active ingredients.
    Type: Grant
    Filed: October 9, 2002
    Date of Patent: December 5, 2006
    Assignees: Lonza Ltd., Ihara Chemical Industry Co. Ltd.
    Inventors: Gareth J. Griffiths, Hidetaka Hiyoshi
  • Patent number: 7141670
    Abstract: A process for the preparation of 1-(pyrimidin-2-yl)propan-2-ones of general formula (I), in which R is in each case a C1-10-alkyl group, a C3-8-cycloalkyl group, an alkyl group or an aryl-C1-4-alkyl group. For this, a malondiimidate of the general formula (II), in which R has the meaning given above, is reacted with diketene. The compounds which can be prepared according to the invention are intermediates for the synthesis of agrochemical active ingredients.
    Type: Grant
    Filed: October 9, 2002
    Date of Patent: November 28, 2006
    Assignees: Lonza Ltd., Ihara Chemical Industry Co., Ltd.
    Inventors: Francis Djojo, Gareth J. Griffiths, Yves Guggisberg, Hidetaka Hiyoshi
  • Publication number: 20040242876
    Abstract: A process for the preparation of (pyrimidin-2-yl)methyl ketones of the general formula (I), in which R1 is in each case a C1-10-alkyl group, a C3-8-cycloalkyl group, an allyl group or an aryl-C1-4-alkyl group, and R2 is a C1-10-alkyl group or aryl group. For this, a malondiimidate of the general formula (II), in which R1 has the meaning given above, is reacted with a &bgr;-keto ester of the general formula (III), in which R2 has the meaning given above, and R3 is a C1-10-alkyl group. The compounds which can be prepared according to the invention are intermediates for the synthesis of agrochemical active ingredients.
    Type: Application
    Filed: March 31, 2004
    Publication date: December 2, 2004
    Inventors: Gareth J Griffiths, Hidetaka Hiyoshi
  • Publication number: 20040242877
    Abstract: A process for the preparation of 1-(pyrimidin-2-yl)propan-2-ones of general formula (I), in which R is in each case a C1-10-alkyl group, a C3-8-cycloalkyl group, an alkyl group or an aryl-C1-4-alkyl group. For this, a malondiimidate of the general formula (II), in which R has the meaning given above, is reacted with diketene. The compounds which can be prepared according to the invention are intermediates for the synthesis of agrochemical active ingredients.
    Type: Application
    Filed: March 31, 2004
    Publication date: December 2, 2004
    Inventors: Francis Djojo, Gareth J Griffiths, Yves Guggisberg, Hidetaka Hiyoshi
  • Publication number: 20040034251
    Abstract: The present invention provides a process for producing a substituted aniline compound represented by the following general formula (6): 1
    Type: Application
    Filed: August 11, 2003
    Publication date: February 19, 2004
    Inventors: Hidetaka Hiyoshi, Mahito Ogawa
  • Patent number: 6504046
    Abstract: A process for producing an amide compound of the following formula by reacting a nitrile compound of the formula with an acid to obtain an oxazolinone compound of the formula and reacting the oxazolinone compound with a carboxy compound of the formula in the presence of a base.
    Type: Grant
    Filed: December 27, 2000
    Date of Patent: January 7, 2003
    Assignee: Ihara Chemical Industry Co., Ltd.
    Inventors: Hidetaka Hiyoshi, Shuji Taniguchi, Junko Suzuki
  • Patent number: 6469210
    Abstract: A process for producing a phenylalkanoic acid amide of the formula [3] by reacting a carboxylic acid of the formula [1] with a dehydrating agent to produce an oxazolinone compound of the formula [2] and then reacting the oxazolinone compound with methyllithium or a methylmagnesium halide and an intermediate for producing the phenylalkanoic acid compound.
    Type: Grant
    Filed: December 27, 2000
    Date of Patent: October 22, 2002
    Assignee: Ihara Chemical Industry Co., Ltd.
    Inventors: Shuji Taniguchi, Hidetaka Hiyoshi, Katsunori Matsumoto
  • Patent number: 6225505
    Abstract: The present invention lies in a process for producing a trifluoromethylthiomethylbenzene derivative represented by the following general formula (2): (wherein R is a hydrogen atom, a halogen atom, an alkyl group, an alkoxy group, an alkoxycarbonyl group, a cyano group, a nitro group, or a benzoyl group which may be substituted with halogen atom, alkyl group, alkoxy group, aliphatic or aromatic acyl group, nitro group, cyano group or alkoxycarbonyl group; n is an integer of 1 to 5; when n is an integer of 2 or more, a plurality of R's may be the same of each independently different), which process comprises reacting, in acetonitrile, a benzyl halide derivative represented by the following general formula (1): (wherein R and n have the same definitions as given above; and X is a halogen atom, an alkylsulfonyloxy group or an arylsulfonyloxy group which may be substituted with alkyl group or halogen atom) with thiophosgene and potassium fluoride.
    Type: Grant
    Filed: February 1, 2000
    Date of Patent: May 1, 2001
    Assignees: Ihara Chemical Industry Co., LTD, Kumiai Chemical Industry Co., LTD
    Inventors: Yoshikazu Kimura, Hidetaka Hiyoshi, Keiji Toriyabe, Nobuhide Wada
  • Patent number: 6197969
    Abstract: The present invention provides a process for producing a substituted alkylamine represented by formula (3): or a salt thereof, which process comprises reacting a 2-aminothiophenol derivative metal salt represented by formula (1): with an amino acid-N-carboxy anhydride represented by formula (2): and then subjecting the reaction product to cyclization under an acidic condition. A substituted alkylamine typified by 1-(2-benzothioazolyl)akylamine, or a salt thereof can be produced from a 2-aminothiophenol derivative industrially at a high handleability and a high yield, and even when the intended substituted alkylamine is an optically active compound, the intended product can be produced without reducing the optical purity of the optically active raw material.
    Type: Grant
    Filed: April 3, 2000
    Date of Patent: March 6, 2001
    Assignee: Ihara Chemical Industry Co., LTD.
    Inventors: Kazuto Umezu, Shuji Taniguchi, Mahito Ogawa, Hidetaka Hiyoshi