Patents by Inventor Rie Yorita

Rie Yorita 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).

  • Cycloheptenopyridine derivatives, process for preparation thereof and antiulcer agents containing the same
    Patent number: 5149702
    Abstract: Provided are cycloheptenopyridine derivatives represented by the general formula ##STR1## [wherein R represents a hydrogen atom or lower alkyl group; R.sup.1 represents a hydrogen atom, halogen atom, lower cycloalkoxy group, amido group, substituted phenoxy group, substituted benzyloxy group, lower alkoxy group optionally containing halogen atoms(s), nitro group, hydroxyl group, lower alkenyloxy group, lower alkylthio group, or a group--NR.sup.4 R.sup.5 (wherein R.sup.4 and R.sup.5 may be the same or different and each represent a hydrogen atom or lower alkyl group, or R.sup.4 and R.sup.5 mutually combine together with the nitrogen atom adjacent thereto to form a 5- or 6-membered heterocyclic group); R.sup.2 represents a hydrogen atom, halogen atom, lower alkyl group optionally containing a halogen atom, lower alkoxy group optionally containing a halogen atom, hydroxyl group, acyl group, lower alkoxycarbonyl group, nitro group or amino group; R.sup.
    Type: Grant
    Filed: November 27, 1990
    Date of Patent: September 22, 1992
    Assignee: Toa Eiyo Ltd.
    Inventors: Shin-ichi Yamada, Takao Goto, Rie Yorita, Eizi Shimanuki, Takaji Yamaguchi, Kentaro Kogi, Senichi Narita