Patents by Inventor Hideya Mizuike

Hideya Mizuike 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: 5821272
    Abstract: Post-treatment method of polyolefin resin pre-expanded particles comprising: introducing the polyolefin resin pre-expanded particles foamed by using an inflammable blowing agent into an extraction vessel filled with steam previously; feeding an additional steam into the extraction vessel; extracting the inflammable blowing agent gas from the polyolefin resin pre-expanded particles; discharging the resulting steam which contains the extracted inflammable blowing agent gas from the extraction vessel continuously or intermittently; and liquefying the steam to separate and recover the inflammable blowing agent gas. According to the post-treatment method of polyolefin resin pre-expanded particles, the inflammable blowing agent can be extracted from the pre-expanded particles in a short period of time and the extracted inflammable blowing agent can be re-used.
    Type: Grant
    Filed: January 20, 1998
    Date of Patent: October 13, 1998
    Assignee: Kaneka Corporation
    Inventors: Shinobu Ochikoshi, Hisatoshi Fukui, Kyoichi Nakamura, Hideya Mizuike, Naruhiko Akamatsu