Patents by Inventor YUSUKE YOKOO

YUSUKE YOKOO 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: 10479809
    Abstract: Provided is a method for producing an alkenyl phosphorus compound which can produce an alkenyl phosphorus compound efficiently even with a smaller amount of a catalyst used than that used conventionally, and further which can maintain catalytic activity to produce an alkenyl phosphorus compound in high yield even at a larger reaction scale, and which can also be applied to quantity synthesis at an industrial scale using a conventional batch reactor or continuous reactor. A method for producing an alkenyl phosphorus compound, comprising: a step of reacting a compound represented by the following formula (1): [In formula (1), R1 represents OR3 or R3, R2 represents OR4 or R4, and R3 and R4 represent, for example, each independently a substituted or unsubstituted alkyl group.] with a compound represented by the following formula (2): [In formula (2), R5 represents, for example, a hydrogen atom, or a substituted or unsubstituted alkyl group.
    Type: Grant
    Filed: September 8, 2016
    Date of Patent: November 19, 2019
    Assignee: MARUZEN PETROCHEMICAL CO., LTD.
    Inventors: Yu Kinami, Ryuichi Tenjimbayashi, Yusuke Yokoo, Ichiro Kimura, Tomohiko Sato, Hiroyoshi Fujino, Tomoko Watanabe, Yuta Saga
  • Publication number: 20190263847
    Abstract: Provided is a method for producing an alkenyl phosphorus compound which can produce an alkenyl phosphorus compound efficiently even with a smaller amount of a catalyst used than that used conventionally, and further which can maintain catalytic activity to produce an alkenyl phosphorus compound in high yield even at a larger reaction scale, and which can also be applied to quantity synthesis at an industrial scale using a conventional batch reactor or continuous reactor. A method for producing an alkenyl phosphorus compound, comprising: a step of reacting a compound represented by the following formula (1): [In formula (1), R1 represents OR3 or R3, R2 represents OR4 or R4, and R3 and R4 represent, for example, each independently a substituted or unsubstituted alkyl group.] with a compound represented by the following formula (2): R5—C?CH??(2) [In formula (2), R5 represents, for example, a hydrogen atom, or a substituted or unsubstituted alkyl group.
    Type: Application
    Filed: September 8, 2016
    Publication date: August 29, 2019
    Applicant: MARUZEN PETROCHEMICAL CO., LTD.
    Inventors: Yu KINAMI, Ryuichi TENJIMBAYASHI, Yusuke YOKOO, Ichiro KIMURA, Tomohiko SATO, Hiroyoshi FUJINO, Tomoko WATANABE, Yuta SAGA
  • Publication number: 20130131405
    Abstract: A liquid molding resin component for a reaction injection molding process includes a liquid resin reaction monomer including metathesis polymerizable cycloolefin and a plurality of nonswelling mica. The plurality of nonswelling mica have an average particle size in a range of about 35 micro m to about 500 micro m and have a bulk density in a range of about 0.10 g/ml to about 0.27 g/ml. Further, a liquid resin component system for a reaction injection molding process includes a plurality of liquid resin components, at least one of which includes a catalyst, at least one of which includes an activator, and at least one of which includes a plurality of nonswelling mica having an average particle size in a range of about 35 micro m to about 500 micro m and having a bulk density in a range of about 0.10 g/ml to 0.27 g/ml.
    Type: Application
    Filed: November 18, 2011
    Publication date: May 23, 2013
    Applicants: METTON AMERICA, INC., MARUZEN PETROCHEMICAL CO., LTD.
    Inventors: HIROMITSU BABA, TAKESHI KATO, HIROYUKI MINAMI, MASANORI ABE, YUSUKE YOKOO, BEAU JEREMY WEST