Patents by Inventor Kazunobu Ohata

Kazunobu Ohata 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: 9243013
    Abstract: The present invention provides a method of producing a tetracyanoborate-containing ionic compound in a milder condition more efficiently and less expensively than conventional methods, and a tetracyanoborate-containing ionic compound having a reduced content of impure components. An ionic compound of the present invention is represented by the following general formula (I), has a content of fluorine atom-containing impurities of 3 mol % or less per 100 mol % of the ionic compound, and a method for producing an ionic compound represented by the general formula (I) of the present invention comprises a step of reacting starting materials containing a cyanide and a boron compound. (In the formula, Ktm+ denotes an organic cation [Ktb]m+ or an inorganic cation [Ke]m+; and m denotes an integer of 1 to 3.
    Type: Grant
    Filed: August 21, 2009
    Date of Patent: January 26, 2016
    Assignee: NIPPON SHOKUBAI CO., LTD.
    Inventors: Yuji Hagiwara, Takanori Ochi, Kazunobu Ohata, Taisuke Kasahara, Taketo Toba, Keiichiro Mizuta, Hiromoto Katsuyama, Satoshi Ishida, Toshifumi Nishida
  • Publication number: 20110150736
    Abstract: The present invention provides a method of producing a tetracyanoborate-containing ionic compound in a milder condition more efficiently and less expensively than conventional methods, and a tetracyanoborate-containing ionic compound having a reduced content of impure components. An ionic compound of the present invention is represented by the following general formula (I), has a content of fluorine atom-containing impurities of 3 mol % or less per 100 mol % of the ionic compound, and a method for producing an ionic compound represented by the general formula (I) of the present invention comprises a step of reacting starting materials containing a cyanide and a boron compound. (In the formula, Ktm+ denotes an organic cation [Ktb]m+ or an inorganic cation [Ke]m+; and m denotes an integer of 1 to 3.
    Type: Application
    Filed: August 21, 2009
    Publication date: June 23, 2011
    Inventors: Yuji Hagiwara, Takanori Ochi, Kazunobu Ohata, Taisuke Kasahara, Taketo Toba, Keiichiro Mizuta, Hiromoto Katsuyama, Satoshi Ishida, Toshifumi Nishida