Patents by Inventor Nobuhiko Fuga

Nobuhiko Fuga 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: 4237326
    Abstract: A method of inhibiting the polymerization of styrene which comprises mixing with the styrene a minor but effective quantity of an inhibitor compound selected from the group consisting of 2-methylbenzoquinone-4-oxime, 2,3,5-trimethylbenzoquinone-4-oxime and mixtures thereof.
    Type: Grant
    Filed: May 30, 1979
    Date of Patent: December 2, 1980
    Assignee: Mitsubishi Petrochemical Company Limited
    Inventors: Nobuhiko Fuga, Kunio Uchimura, Hideyuki Takahashi
  • Patent number: 4059432
    Abstract: A plant growth regulator comprising as an active ingredient a compound having a novel 2-sulfonyloxyethylphosphonic or -thionophosphonic acid skeleton of the formula ##STR1## and a process for the production of the above compound. A method for regulating the growth of plants which comprises applying the above regulator to plants or to the locus in which the plants are growing or will be grown.
    Type: Grant
    Filed: May 23, 1975
    Date of Patent: November 22, 1977
    Assignee: Mitsubishi Petrochemical Co., Ltd.
    Inventors: Tetsuo Takematsu, Makoto Konnai, Makoto Takeda, Nobuhiko Fuga, Kaoru Ikeda, Kiyoshi Shugaya
  • Patent number: 4059431
    Abstract: A plant growth regulator comprising as an active ingredient a compound having a novel 2-sulfonyloxyethyl-phosphonic or -thionophosphonic acid skeleton of the formula ##STR1## and a process for the production of the above compound. A method for regulating the growth of plants which comprises applying the above regulator to plants or to the locus in which the plants are growing or will be grown.
    Type: Grant
    Filed: May 27, 1976
    Date of Patent: November 22, 1977
    Assignee: Mitsubishi Petrochemical Co., Ltd.
    Inventors: Tetsuo Takematsu, Makoto Konnai, Makoto Takeda, Nobuhiko Fuga, Kaoru Ikeda, Kiyoshi Shugaya
  • Patent number: 4035353
    Abstract: Process for producing hexamethyleneimine by catalytic hydrogenation of .epsilon.-caprolactam in a liquid phase which comprises contacting .epsilon.-caprolactam with hydrogen over a catalyst selected from the group consisting of:A. essentially cobalt-molybdenum catalysts, andB. essentially cobalt-rhenium-molybdenum catalysts.
    Type: Grant
    Filed: December 17, 1974
    Date of Patent: July 12, 1977
    Assignee: Mitsubishi Petrochemical Company Limited
    Inventors: Junichi Kanetaka, Takashi Shimodaira, Nobuhiko Fuga, Kuniaki Hayasi, Tadashi Ayusawa
  • Patent number: 3965162
    Abstract: A process for production of acrylic acid by vapor phase catalytic oxidation of acrolein comprising effecting the catalytic oxidation in the presence of a catalyst comprising1. oxides of molybdenum2. oxides of niobium3. oxides of silicon, and4. oxides of elements selected from the group consisting of copper, zinc, titanium, manganese, tungsten, iron, cobalt, nickel, cadmium, gallium, mercury, thorium and boron.
    Type: Grant
    Filed: October 23, 1973
    Date of Patent: June 22, 1976
    Assignee: Mitsubishi Petrochemical Company Limited
    Inventors: Yoshihisa Watanabe, Makoto Imanari, Naohiro Nojiri, Nobuhiko Fuga, Masato Nakajima