Patents by Inventor Yoshimitus Asada

Yoshimitus Asada 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).

  • .alpha.-Olefin-dialkylmaleate-based liquid separating agent
    Patent number: 4310430
    Abstract: A liquid separating agent used for fractionating a liquid such as blood that contains more than one component of different specific gravities, by separating a specific component from other components by means of the specific gravity difference is characterized by consisting of as the main component an .alpha.-olefin-dialkylmaleate copolymer having a viscosity between 10,000 and 80,000 cp (at 25.degree. C.); a viscosity and specific gravity adjusting agent such as silica or clay; and wax, a surfactant and so on as required.
    Type: Grant
    Filed: September 4, 1980
    Date of Patent: January 12, 1982
    Assignee: Terumo Corporation
    Inventors: Toshizi Ichikawa, Teruko Watanabe, Yoshimitus Asada