Patents by Inventor Kodo Okada

Kodo Okada 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).

  • Nicotinic acid derivatives
    Patent number: 4556715
    Abstract: This invention relates to compounds, 4-(4-substituted phenylalkyloxy) phenylalkyl nicotinates, represented by the following structural formula I and its salts, the methods for preparations thereof. ##STR1## wherein n.sub.1 is an integer from 2 to 6 inclusive, provided that n.sub.1 and n.sub.2 are not 1 at the same time, n.sub.1 is an integer from 1 to 6 inclusive, and X means chlorine or fluorine atom.
    Type: Grant
    Filed: October 24, 1983
    Date of Patent: December 3, 1985
    Assignee: Kyorin Pharmaceutical Co., Ltd.
    Inventors: Tsutomu Irikura, Seigo Suzue, Kodo Okada