Patents by Inventor Yasushi Yamagami

Yasushi Yamagami 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).

  • Producing method for 4-isopropyl-3-methylphenol
    Patent number: 10252964
    Abstract: The main object of the present invention is to provide a producing method for a 4-isopropyl-3-methylphenol which may be selectively produced, easily refined, and with less odor and coloration. The present invention achieves the object by providing a producing method for a 4-isopropyl-3-methylphenol characterized in that a 4-halogenated-3-methylphenol or a phenol derivative thereof is reacted with an isopropyl metal compound under presence of a catalyst and a solvent.
    Type: Grant
    Filed: June 25, 2015
    Date of Patent: April 9, 2019
    Assignee: OSAKA KASEI CO., LTD.
    Inventors: Yoshihiko Taguchi, Yasushi Yamagami, Noriko Furukawa, Masaru Tobinaga
  • PRODUCING METHOD FOR 4-ISOPROPYL-3-METHYLPHENOL
    Publication number: 20170129836
    Abstract: The main object of the present invention is to provide a producing method for a 4-isopropyl-3-methylphenol which may be selectively produced, easily refined, and with less odor and coloration. The present invention achieves the object by providing a producing method for a 4-isopropyl-3-methylphenol characterized in that a 4-halogenated-3-methylphenol or a phenol derivative thereof is reacted with an isopropyl metal compound under presence of a catalyst and a solvent.
    Type: Application
    Filed: June 25, 2015
    Publication date: May 11, 2017
    Inventors: Yoshihiko TAGUCHI, Yasushi YAMAGAMI, Noriko FURUKAWA, Masaru TOBINAGA
  • PEST REPELLENT
    Publication number: 20100040705
    Abstract: A pest repellent is disclosed having long lasting and high repelling efficacy against sanitary insects such as mosquitoes and which is highly harmless to humans. In at lease one embodiment, the pest repellent contains copaiba oil and/or an extract thereof as well as DEET and/or bisabolol.
    Type: Application
    Filed: November 20, 2007
    Publication date: February 18, 2010
    Inventors: Koichiro Komai, Nobumitsu Takahashi, Yasushi Yamagami, Osamu Sakurai, Michiyo Ichihara, Masayasu Miwata