Patents by Inventor Taketoshi Kanda

Taketoshi Kanda 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).

  • Packing material for liquid chromatography
    Patent number: 4743377
    Abstract: A packing material for liquid chromatography, comprising particles having a silicone polymer film coated on substantially the entire surface thereof, the packing material being produced by a process comprising the steps of:(a) bringing at least one silicone compound having the general formula (I):(R.sup.1 HSiO).sub.a (R.sup.2 R.sup.3 SiO).sub.b (R.sup.4 R.sup.5 R.sup.6 SiO.sub.1/2).sub.c (I)wherein R.sup.1, R.sup.2, and R.sup.3 represent, independently, a hydrocarbon residue having 1 to 10 carbon atoms, which may be substituted with at least one halogen atom, R.sup.4, R.sup.5, and R.sup.
    Type: Grant
    Filed: June 30, 1986
    Date of Patent: May 10, 1988
    Assignee: Shiseido Company Ltd.
    Inventors: Yutaka Ohtsu, Hiroshi Fukui, Motokiyo Nakano, Okitsugu Nakata, Taketoshi Kanda, Isao Tanaka, Osamu Shirota, Junichi Koyama