Patents by Inventor Tsukasa Haganuma

Tsukasa Haganuma 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: 20130237618
    Abstract: An object of the invention is to provide a methanol production process which can efficiently produce methanol from carbon dioxide and hydrogen while suppressing loads to the global environment. The process for producing methanol of the invention includes a step (a) of reacting hydrogen and carbon dioxide with each other in a reactor in the presence of a copper-containing catalyst to produce a reaction mixture containing methanol; a step (b) of circulating part or all of the reaction mixture to the step (a); a step (c1) of combusting part of the reaction mixture to produce a combustion product and energy, and a step (c2) of circulating part or all of the combustion product to the step (a), the step (c1) and the step (c2) being performed when the reaction mixture contains a compound (p) containing carbon and hydrogen except methanol at not less than 0.
    Type: Application
    Filed: November 18, 2011
    Publication date: September 12, 2013
    Applicant: MITSUI CHEMICALS, INC.
    Inventors: Tatsumi Matsushita, Tsukasa Haganuma, Daisuke Fujita