Patents by Inventor Akio Manabe

Akio Manabe 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: 9650347
    Abstract: The present invention provides a process for producing a compound of the formula (1) wherein X represents a hydrogen atom, etc., and Y represents a hydrogen atom, etc., which comprises step 1 of reacting a compound of the formula (2) and a compound of the formula (3) in the presence of a Lewis acid wherein R represents a hydrogen atom, etc., to obtain an adduct, and step 2 of reacting the adduct obtained in the step 1 and hydrazine to obtain the compound of the formula (1).
    Type: Grant
    Filed: February 18, 2014
    Date of Patent: May 16, 2017
    Assignee: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Yasuyuki Nakae, Akio Manabe, Takashi Miyamoto
  • Patent number: 9533956
    Abstract: A compound represented by formula (2) wherein X represents a hydrogen atom, a fluorine atom, a chlorine atom or a bromine atom, and Y represents a hydrogen atom, a fluorine atom, a chlorine atom or a bromine atom, is reacted with a brominating agent and an alkanol having 1 to 6 carbon atoms in the presence of a base to obtain a compound represented by formula (3) wherein R represents a C1 to C6 alkyl group, and X and Y represent the same meaning as described above, and then the compound represented by the formula (3) is reacted with hydrazine, whereby a compound represented by formula (1) wherein X and Y represent the same meaning as described above, which is useful as a production intermediate of a fungicide, can be obtained.
    Type: Grant
    Filed: March 17, 2014
    Date of Patent: January 3, 2017
    Assignee: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventor: Akio Manabe
  • Publication number: 20160060225
    Abstract: A compound represented by formula (2) wherein X represents a hydrogen atom, a fluorine atom, a chlorine atom or a bromine atom, and Y represents a hydrogen atom, a fluorine atom, a chlorine atom or a bromine atom, is reacted with a brominating agent and an alkanol having 1 to 6 carbon atoms in the presence of a base to obtain a compound represented by formula (3) wherein R represents a C1 to C6 alkyl group, and X and Y represent the same meaning as described above, and then the compound represented by the formula (3) is reacted with hydrazine, whereby a compound represented by formula (1) wherein X and Y represent the same meaning as described above, which is useful as a production intermediate of a fungicide, can be obtained.
    Type: Application
    Filed: March 17, 2014
    Publication date: March 3, 2016
    Applicant: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventor: Akio MANABE
  • Publication number: 20150376138
    Abstract: The present invention provides a process for producing a compound of the formula (1) wherein X represents a hydrogen atom, etc., and Y represents a hydrogen atom, etc., which comprises step 1 of reacting a compound of the formula (2) and a compound of the formula (3) in the presence of a Lewis acid wherein R represents a hydrogen atom, etc., to obtain an adduct, and step 2 of reacting the adduct obtained in the step 1 and hydrazine to obtain the compound of the formula (1).
    Type: Application
    Filed: February 18, 2014
    Publication date: December 31, 2015
    Applicant: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Yasuyuki NAKAE, Akio MANABE, Takashi MIYAMOTO
  • Patent number: 8598176
    Abstract: A pyridazine compound of the formula: has an excellent plant disease controlling effect.
    Type: Grant
    Filed: December 13, 2011
    Date of Patent: December 3, 2013
    Assignee: Sumitomo Chemical Company, Limited
    Inventor: Akio Manabe
  • Patent number: 8258136
    Abstract: A pyridazine compound of the formula: has an excellent plant disease controlling effect.
    Type: Grant
    Filed: November 28, 2006
    Date of Patent: September 4, 2012
    Assignee: Sumitomo Chemical Company, Limited
    Inventor: Akio Manabe
  • Publication number: 20120083605
    Abstract: A pyridazine compound of the formula: has an excellent plant disease controlling effect.
    Type: Application
    Filed: December 13, 2011
    Publication date: April 5, 2012
    Inventor: Akio MANABE
  • Patent number: 8129526
    Abstract: The present invention relates to a pyrimidine compound of the formula (II?): wherein R1 represents a hydrogen atom, halogen atom or C1-C4 alkyl; R3 represents a hydrogen atom, halogen atom or C1-C3 alkyl; X3 represents C5 polymethylene, in which a single CH2—CH2 may be replaced with a single CH?CH, substituted with at least one substituent selected from the group consisting of halogen atoms, trifluoromethyl and C1-C4 alkyls.
    Type: Grant
    Filed: October 15, 2009
    Date of Patent: March 6, 2012
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Hajime Mizuno, Akio Manabe
  • Patent number: 8022073
    Abstract: A pyridazine compound of the formula: has an excellent plant disease controlling effect.
    Type: Grant
    Filed: November 28, 2006
    Date of Patent: September 20, 2011
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Shin-ichiro Souma, Akio Manabe
  • Patent number: 8008512
    Abstract: A pyridazine compound represented by formula (1): has an excellent plant disease controlling effect.
    Type: Grant
    Filed: July 13, 2009
    Date of Patent: August 30, 2011
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Hiroshi Morishita, Akio Manabe
  • Patent number: 7973028
    Abstract: The present invention relates to a pyrimidine compound of the formula (I): wherein R1 represents a hydrogen atom, halogen atom or C1-C4 alkyl; R2 represents C3-C7 alkynyloxy; R3 represents a hydrogen atom, halogen atom or C1-C3 alkyl; X represents C7 polymethylene, in which a CH2—CH2 may be replaced with a CH?CH, optionally substituted with at least one substituent selected from the group consisting of halogen atoms, trifluoromethyl and C1-C4 alkyls. This pyrimidine compound has an excellent activity of controlling pests.
    Type: Grant
    Filed: April 17, 2009
    Date of Patent: July 5, 2011
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Hajime Mizuno, Akio Manabe
  • Patent number: 7968537
    Abstract: The present invention relates to a pyrimidine compound of the formula (I): wherein R1 represents a hydrogen atom, halogen atom or C1-C4 alkyl; R2 represents C3-C7 alkynyloxy; R3 represents a hydrogen atom, halogen atom or C1-C3 alkyl; X represents C6 polymethylene, in which a CH2—CH2 may be replaced with a CH?CH, optionally substituted with at least one substituent selected from the group consisting of halogen atoms, trifluoromethyl and C1-C4 alkyls. This pyrimidine compound has an excellent activity of controlling pests.
    Type: Grant
    Filed: April 17, 2009
    Date of Patent: June 28, 2011
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Hajime Mizuno, Akio Manabe
  • Patent number: 7928110
    Abstract: The present invention relates to a pyrimidine compound of the formula (I): wherein R1 represents a hydrogen atom, halogen atom or C1-C4 alkyl; R2 represents C3-C7 alkynyloxy; R3 represents a hydrogen atom, halogen atom or C1-C3 alkyl; X represents C4 polymethylene, in which a CH2—CH2 may be replaced with a CH?CH, optionally substituted with at least one substituent selected from the group consisting of halogen atoms, trifluoromethyl and C1-C4 alkyls. This pyrimidine compound has an excellent activity of controlling pests.
    Type: Grant
    Filed: April 17, 2009
    Date of Patent: April 19, 2011
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Hajime Mizuno, Akio Manabe
  • Patent number: 7795258
    Abstract: A pyridazine compound represented by formula (1): wherein R1 and R2 are same or different and represent a C1-C4 alkyl group; R3 represents a halogen atom, a nitro group, a cyano group, a C1-C4 alkyl group optionally substituted by at least one halogen atom, a C1-C4 alkoxy group optionally substituted by at least one halogen atom or a C1-C4 alkylthio group optionally substituted by at least one halogen atom; R4 and R5 each represents a halogen atom, a nitro group, a cyano group, a C1-C4 alkyl group optionally substituted by at least one halogen atom or a C1-C4 alkoxy group optionally substituted by at least one halogen atom; and m and n each represents an integer.
    Type: Grant
    Filed: June 2, 2005
    Date of Patent: September 14, 2010
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Hiroshi Morishita, Akio Manabe
  • Patent number: 7732448
    Abstract: The present invention relates to a pyrimidine compound of the formula (I): wherein R1 represents a hydrogen atom, halogen atom or C1-C4 alkyl; R2 represents C3-C7 alkynyloxy; R3 represents a hydrogen atom, halogen atom or C1-C3 alkyl; X represents C4-C7 polymethylene, in which a CH2—CH2 may be replaced with a CH?CH, optionally substituted with at least one substituent selected from the group consisting of halogen atoms, trifluoromethyl and C1-C4 alkyls. This pyrimidine compound has an excellent activity of controlling pests.
    Type: Grant
    Filed: May 10, 2004
    Date of Patent: June 8, 2010
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Hajime Mizuno, Akio Manabe
  • Publication number: 20100036117
    Abstract: The present invention relates to a pyrimidine compound of the formula (II?): wherein R1 represents a hydrogen atom, halogen atom or C1-C4 alkyl; R3 represents a hydrogen atom, halogen atom or C1-C3 alkyl; X3 represents C5 polymethylene, in which a single CH2—CH2 may be replaced with a single CH?CH, substituted with at least one substituent selected from the group consisting of halogen atoms, trifluoromethyl and C1-C4 alkyls.
    Type: Application
    Filed: October 15, 2009
    Publication date: February 11, 2010
    Applicant: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Hajime MIZUNO, Akio Manabe
  • Publication number: 20090281337
    Abstract: A pyridazine compound represented by formula (1): has an excellent plant disease controlling effect.
    Type: Application
    Filed: July 13, 2009
    Publication date: November 12, 2009
    Inventors: Hiroshi Morishita, Akio Manabe
  • Publication number: 20090275589
    Abstract: A pyridazine compound of the formula: has an excellent plant disease controlling effect.
    Type: Application
    Filed: November 28, 2006
    Publication date: November 5, 2009
    Inventor: Akio Manabe
  • Publication number: 20090209519
    Abstract: The present invention relates to a pyrimidine compound of the formula (I): wherein R1 represents a hydrogen atom, halogen atom or C1-C4 alkyl; R2 represents C3-C7 alkynyloxy; R3 represents a hydrogen atom, halogen atom or C1-C3 alkyl; X represents C7 polymethylene, in which a CH2—CH2 may be replaced with a CH?CH, optionally substituted with at least one substituent selected from the group consisting of halogen atoms, trifluoromethyl and C1-C4 alkyls. This pyrimidine compound has an excellent activity of controlling pests.
    Type: Application
    Filed: April 17, 2009
    Publication date: August 20, 2009
    Applicant: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Hajime MIZUNO, Akio Manabe
  • Publication number: 20090209518
    Abstract: The present invention relates to a pyrimidine compound of the formula (I): wherein R1 represents a hydrogen atom, halogen atom or C1-C4 alkyl; R2 represents C3-C7 alkynyloxy; R3 represents a hydrogen atom, halogen atom or C1-C3 alkyl; X represents C6 polymethylene, in which a CH2—CH2 may be replaced with a CH?CH, optionally substituted with at least one substituent selected from the group consisting of halogen atoms, trifluoromethyl and C1-C4 alkyls. This pyrimidine compound has an excellent activity of controlling pests.
    Type: Application
    Filed: April 17, 2009
    Publication date: August 20, 2009
    Applicant: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Hajime MIZUNO, Akio MANABE