Patents by Inventor Keiichi Sudo

Keiichi Sudo 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).

  • Publication number: 20160122328
    Abstract: In the present invention, a compound (I) is reacted with a base selected from the group consisting of a metal alkoxide, a metal hydride compound, an alkali metal, an organometallic compound of an alkali metal, an alkali metal amide, an alkali metal carbonate salt, an alkali earth metal carbonate salt, and a mixture of these to produce a compound (II). Thereafter, this reaction solution is mixed with a compound (III) and a sulfonium compound or a sulfoxonium compound in the presence of a base to obtain an azole derivative (V).
    Type: Application
    Filed: May 26, 2014
    Publication date: May 5, 2016
    Inventors: TAIGA MASANO, KEIICHI SUDO
  • Publication number: 20150218134
    Abstract: Provided are: a method for producing a cycloalkanol derivative that enables the production of an azole derivative at low cost and with high yield; and a method for producing an azole derivative. In a process of producing a cycloalkanol derivative represented by general formula (I), a reaction step of azolylmethylating a cycloalkanone derivative represented by general formula (II) is carried out using an azole compound represented by general formula (III) in the presence of a sulfur ylide. In this step, the sulfur ylide is produced from a sulfonium compound or sulfoxonium compound and an alkali metal methoxide in a reaction system.
    Type: Application
    Filed: October 2, 2013
    Publication date: August 6, 2015
    Inventors: Taiga Masano, Keiichi Sudo
  • Publication number: 20140113899
    Abstract: An agro-horticultural agent of the present invention is intended to provide an agro-horticultural agent capable of providing, with a smaller spray amount, the same effect as compared to a conventional agro-horticultural agent. The agro-horticultural agent of the present invention includes a plurality of active ingredients and one of the plurality of active ingredients is an azole derivative represented by the following general formula (I); where: Ra and Rb each represent a predetermined hydrocarbon group and at least one of Ra and Rb has a chlorine atom or a bromine atom substituted for a hydrogen atom; Y represents a chlorine atom or a fluorine atom; and m represents 0 or 1.
    Type: Application
    Filed: June 6, 2012
    Publication date: April 24, 2014
    Applicant: KUREHA CORPORATION
    Inventors: Hideaki Tateishi, Nobuyuki Araki, Toru Yamazaki, Taiji Miyake, Keiichi Sudo, Hisashi Kanno
  • Publication number: 20120238762
    Abstract: To provide an azole derivative which is contained as an active ingredient in an agro-horticultural agent having an excellent controlling effect on diseases. An azole derivative according to the invention is represented by Formula (I), wherein R1 and R2 are same or different, and each denotes a substituted C3-C6 cycloalkyl group or a C1-C4 alkyl group substituted with the substituted C3-C6 cycloalkyl group; and A denotes a nitrogen atom or a methyne group.
    Type: Application
    Filed: November 29, 2010
    Publication date: September 20, 2012
    Applicant: KUREHA CORPORATION
    Inventors: Keiichi Sudo, Takashi Shimokawara, Eiyu Imai, Nobuyuki Kusano, Hisashi Kanno, Taiji Miyake, Masaru Mori, Toshihide Saishoji
  • Publication number: 20050101783
    Abstract: A N-heterocyclicmethyl-alkylamine derivative according to the present invention is a N-heterocyclicmethyl-alkylamine derivative represented by the following general formula (I): or an acid addition salt thereof.
    Type: Application
    Filed: May 9, 2001
    Publication date: May 12, 2005
    Inventors: Atsushi Ito, Keiichi Sudo, Tsumoru Watanabe, Nobuyuki Kusano, Nobuyuki Araki, Takayoshi Eizuka, Yoshitaka Niizeki
  • Publication number: 20040152903
    Abstract: A 6-chloro-3-pyridylmethylpropylamine derivative according to the present invention or an acid addition salt thereof is represented by the following formula (I): 1
    Type: Application
    Filed: January 16, 2004
    Publication date: August 5, 2004
    Inventors: Atsushi Ito, Keiichi Sudo, Tsumuru Watanabe, Takayoshi Eizuka, Yoshitaka Niizeki
  • Patent number: 6271385
    Abstract: N-heterocyclicmethylpropylamine derivatives of formula (I): and acid addition salts thereof; wherein R1 represents hydrogen, halogen, alkyl, alkenyl, halogenated alkyl, alkoxy, halogenated alkoxy, hydroxyl, cyano, nitro, phenyl optionally having a substituent on a ring thereof or phenoxy; n represents an integer of 0-5; R2 represents a heterocycle containing at least one nitrogen atom as the hetero atom and optionally having a substituent on a ring thereof; and R3 represents hydrogen or C1-C5 alkyl.
    Type: Grant
    Filed: March 10, 2000
    Date of Patent: August 7, 2001
    Assignee: Kureha Kagaku Kogyo Kabushiki Kaisha
    Inventors: Atsushi Ito, Satoru Kumazawa, Keiichi Sudo, Tsumoru Watanabe, Takayoshi Eizuka, Yoshitaka Niizeki