Patents by Inventor Toshiharu Nakano

Toshiharu Nakano 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: 4469810
    Abstract: A process for improving the operating characteristics of a phosphorous-, molybdenum-, and oxygen-containing catalyst used for the production of an unsaturated carboxylic acid by gas phase catalytic oxidation of a corresponding unsaturated aldehyde, comprising the step of calcinating the catalyst at a temperature of 300.degree.-500.degree. C. while a gas containing 0.05-3 vol. % of ammonia and/or steam is passed over the catalyst.
    Type: Grant
    Filed: January 11, 1983
    Date of Patent: September 4, 1984
    Assignee: Mitsubishi Rayon Company Limited
    Inventors: Masaaki Kato, Masatake Kamogawa, Toshiharu Nakano, Junji Furuse
  • Patent number: 4341536
    Abstract: A method for continuously removing fine dust from gases which contain them, consisting of: introducing the gas at a gas linear velocity of 10 to 80 m/sec and a liquid at a rate such that the liquid-to-gas ratio; L/G, is 1 to 50 l/m.sup.3, in parallel, into slit(s) or hole(s) which are set in tray(s) causing impingement onto a baffle plate which is set beneath the tray; and then carrying away the fine dust particles from the gas by the liquid, which is separated from the gas, is disclosed, along with apparatus to effectuate the process.
    Type: Grant
    Filed: January 12, 1981
    Date of Patent: July 27, 1982
    Assignee: Mitsubishi Rayon Company, Ltd.
    Inventors: Fumiki Murakami, Minoru Ikeda, Takashi Tokutomi, Toshiharu Nakano