Patents by Inventor Michio Orino

Michio Orino 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).

  • Method for drying polyolefins
    Patent number: 4365057
    Abstract: Method for drying poly(.alpha.-olefins) comprising contacting poly(.alpha.-olefins) having a content of hydrocarbon medium of 0.2 to 2% by weight with nitrogen gas having substantially no hydrocarbon medium and having a dew point of -10.degree. C. or lower in counterflow in a silo type through-flow drying apparatus whereby poly(.alpha.-olefins) having a content of the hydrocarbon medium of less than 0.2% by weight can be obtained.
    Type: Grant
    Filed: March 27, 1979
    Date of Patent: December 21, 1982
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Shinichi Saito, Kazuo Aikawa, Michio Orino, Kazuya Aoi, Hideo Kusakabe