Patents by Inventor Haruo Habu

Haruo Habu 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).

  • Method for preparing an oxime
    Patent number: 5254734
    Abstract: A method for preparing an oxime, which comprises partitioning an aqueous hydroxylamine salt solution phase and a ketone or aldehyde phase by a cation exchange membrane, and permitting hydroxylamine in the aqueous hydroxylamine salt solution phase to diffuse and transfer through the membrane to the ketone or aldehyde phase and to form an oxime in the ketone or aldehyde phase.
    Type: Grant
    Filed: February 7, 1992
    Date of Patent: October 19, 1993
    Assignee: Mitsubishi Kasei Corporation
    Inventors: Yu Kanda, Takeshi Matsuoka, Haruo Habu, Tsutomu Yonemori
  • Method for producing a cycloalkanol
    Patent number: 4933508
    Abstract: A method for producing a cycloalkanol, which comprises oxidizing a cycloalkane with a molecular oxygen-containing gas in a liquid phase in the presence of a catalyst, wherein an aromatic nitro compound is present in the oxidation reaction system.
    Type: Grant
    Filed: September 23, 1988
    Date of Patent: June 12, 1990
    Assignee: Mitsubishi Kasei Corporation
    Inventors: Haruo Habu, Kouji Watanabe, Takeshi Matsuoka