Patents by Inventor Shoryo Hayashi

Shoryo Hayashi 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).

  • Patent number: 5109003
    Abstract: Therapeutic agents for the treatment of peptic ulcer disease, containing as active ingredient, at least one compound of the general formula I ##STR1## wherein one of R.sup.1 and R.sup.3 is ##STR2## (wherein m is 1-5, R.sup.4 represents a (C.sub.1 -C.sub.4)alkyl group); the other one of R.sup.1 and R.sup.3 is hydrogen, (C.sub.3 -C.sub.6)alkenyl or (C.sub.1 -C.sub.8)alkyl which can be substituted with up to 2 hydroxyl groups or a (C.sub.1 -C.sub.4)alkoxy group; and R.sup.2 is (C.sub.1 -C.sub.4)alkyl.
    Type: Grant
    Filed: August 14, 1990
    Date of Patent: April 28, 1992
    Assignee: Hoechst Japan Limited
    Inventors: Toshizo Tanaka, Shoryo Hayashi, Yuko Morioka, Ulrich Gebert