Patents by Inventor Motoharu Iwatsuru

Motoharu Iwatsuru 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).

  • Reactive vesicle and functional substance-fixed vesicle
    Patent number: 5540935
    Abstract: A reactive vesicle comprising, as a vesicle-forming component, a reactive phospholipid derivative represented by the following general formula (1) and a functional substance-fixed vesicle prepared by reacting the reactive vesicle with a functional substance: ##STR1## in which R.sup.1 C(.dbd.O) and R.sup.2 C(.dbd.O) each represent an aliphatic acyl group, R.sup.3 denotes hydrogen atom or methyl group, OA represents an oxyalkylene group of 2-4 carbon atoms, n indicates the average number of moles of added oxyalkylene group and is 1-1,000, p is 0 or 1, X represents ##STR2## with q and r each being an integer of 0 to 4 or 1 to 4, respectively, and M denotes hydrogen atom or an alkli metal atom.
    Type: Grant
    Filed: December 5, 1994
    Date of Patent: July 30, 1996
    Assignee: NOF Corporation
    Inventors: Tsuyoshi Miyazaki, Kazuo Maruyama, Motoharu Iwatsuru, Kouzoh Sanchika, Mitsuhiro Nishida, Tohru Yasukohchi, Shigeru Kitano, Akinori Suginaka, Yoshihito Kadoma