Patents by Inventor Kazuyoshi Yamanaka

Kazuyoshi Yamanaka 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).

  • Process for production of benzaldehyde compound
    Patent number: 8338625
    Abstract: A method of producing a corresponding acetal compound which comprises reacting a benzal halide compound represented by formula (1) (wherein, Q represents a hydrogen atom or a halogen atom, X represents a halogen atom, and Ar represents a phenyl group optionally substituted with at least one group selected from the group consisting of alkyl groups having 1 to 4 carbon atoms and halogen atoms.) and an alcohol compound in the presence of at least one alkaline earth metal compound selected from the group consisting of alkaline earth metal oxides, alkaline earth metal hydroxides and alkaline earth metal carbonates.
    Type: Grant
    Filed: June 9, 2009
    Date of Patent: December 25, 2012
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Yoshio Onogawa, Kazuyoshi Yamanaka, Masaji Hirota
  • PROCESS FOR PRODUCTION OF BENZALDEHYDE COMPOUND
    Publication number: 20110098489
    Abstract: A method of producing a corresponding acetal compound which comprises reacting a benzal halide compound represented by formula (1) (wherein, Q represents a hydrogen atom or a halogen atom, X represents a halogen atom, and Ar represents a phenyl group optionally substituted with at least one group selected from the group consisting of alkyl groups having 1 to 4 carbon atoms and halogen atoms.) and an alcohol compound in the presence of at least one alkaline earth metal compound selected from the group consisting of alkaline earth metal oxides, alkaline earth metal hydroxides and alkaline earth metal carbonates.
    Type: Application
    Filed: June 9, 2009
    Publication date: April 28, 2011
    Applicant: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Yoshio Onogawa, Kazuyoshi Yamanaka, Masaji Hirota