Patents by Inventor Muneaki Kanemaru

Muneaki Kanemaru 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 the production of alcohols
    Patent number: 4080391
    Abstract: A process for the production of alcohols by the direct hydration of an olefin with water under liquid phase hydration conditions and in the presence of a catalytic amount of a sulfonic acid catalyst represented by the general formulae (1) or (2)ACF.sub.2 SO.sub.3 H (1)b(cf.sub.2 so.sub.3 h).sub.n (2)wherein A represents hydrogen, halogen, a sulfonic radical, a sulfodifluoromethyl radical or a monovalent unsubstituted aliphatic, alicyclic or aromatic residue consisting of hydrocarbon or fluorohydrocarbon radicals containing less than 20 carbon atoms and B represents a di-, tri- or tetravalent unsubstituted aliphatic, alicyclic or aromatic residue consisting of hydrocarbon or fluorohydrocarbon radicals containing less than 20 carbon atoms in direct corresponding to the value of n being 2, 3 or 4.
    Type: Grant
    Filed: January 23, 1976
    Date of Patent: March 21, 1978
    Assignee: Mitsui Toatsu Chemicals
    Inventors: Ryuichiro Tsumura, Toru Takahashi, Toshiyuki Ichikawa, Muneaki Kanemaru, Norimichi Ishii
  • Process for preparing alcohols
    Patent number: 4060564
    Abstract: A process for preparing alcohols which comprises hydrating lower olefins in liquid phase with an aqueous 0.1 to 20.0 wt % phosphoric acid solution containing 0.001 to 1.0 wt % of an oxyacid of chromium or a salt thereof to give corresponding alcohols.
    Type: Grant
    Filed: January 5, 1977
    Date of Patent: November 29, 1977
    Assignee: Mitsui Toatsu Chemicals, Incorporated
    Inventors: Muneaki Kanemaru, Tetsuo Kimura, Norimichi Ishii, Hideo Kawashima