Patents by Inventor Motomitsu Shiraishi

Motomitsu Shiraishi 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).

  • Insecticidal aerosol
    Patent number: 5064639
    Abstract: A mono-layer liquid phase type water-based insecticidal aerosol comprises a base liquid for aerosol containing at least one specific pyrethroidal compound, a specific organic solvent and a specific buffer solution, which base liquid has a pH of from 7.0 to 11.0, and dimethyl ether as a propellant. The aerosol according to the present invention has a long-term storage stability as well as an excellent insecticidal activity and causes no degradation of the container.
    Type: Grant
    Filed: December 8, 1988
    Date of Patent: November 12, 1991
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Kazunobu Dohara, Tadahiro Matsunaga, Motomitsu Shiraishi, Goro Shinjo
  • Insecticidal aerosol
    Patent number: 5055299
    Abstract: A mono-layer liquid phase type water-based insecticidal aerosol comprises (A) a base liquid for aerosol containing at least one specific pyrethroidal compound, a specific organic solvent and a buffer solution, which base liquid has a pH of from 7.0 to 9.0 and (B) dimethyl ether as a propellant. The aerosol according to the present invention has a long-term storage stability, as well as an excellent insecticidal activity and causes no degradiation of the container.
    Type: Grant
    Filed: December 8, 1988
    Date of Patent: October 8, 1991
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Kazunobu Dohara, Tadahiro Matsunaga, Motomitsu Shiraishi, Goro Shinjo