Patents by Inventor Masharu Asano

Masharu Asano 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).

  • Pyridine derivatives, process for production thereof and pharmaceutical compositions useful as anti-arhytmics
    Patent number: 4843085
    Abstract: The present invention provides pyridine derivatives of following general formula (I) or a physiologically acceptable acid addition salt thereof: ##STR1## wherein R.sub.1 is a hydrogen atom or a hydroxy group, R.sub.2 and R.sub.3, which may be the same or different, each is a lower alkyl group, and n is an integer of 1 to 6. The invention also provides for producing the pyridine derivative and pharmaceutical compositions containing the same. The compounds (I) possess anti-arrhythmic activity.
    Type: Grant
    Filed: June 29, 1988
    Date of Patent: June 27, 1989
    Assignee: Yamanouchi Pharmaceutical Co., Ltd.
    Inventors: Takashi Fujikura, Yuzo Matsumoto, Masharu Asano