Patents by Inventor Yoshimasa Hashimura

Yoshimasa Hashimura 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).

  • Phenol compound having antioxidative activity and the process for preparing the same
    Patent number: 5849732
    Abstract: Disclosed are a phenol compound represented by the formula (1): ##STR1## wherein R.sup.0 represents H, alkyl or alkyloxy; R.sup.1 represents alkyl; R.sup.2 represents alkyl or alkyloxy; OR.sup.3 represents OH; R.sup.4 represents H, lower alkyl or acyl, each of the above substituents may be substituted; W represents O, S or NR.sup.7 ; where R.sup.7 represents H, alkyl, aryl, OH or alkyloxy, a group of the formula (2): ##STR2## represents an amino which may be mono- or di-substituted or heterocyclic group containing N atom,or a pharmaceutically acceptable salt thereof, and a process for preparing the same.
    Type: Grant
    Filed: February 14, 1997
    Date of Patent: December 15, 1998
    Assignee: Tanabe Seiyaku Co., Ltd.
    Inventors: Toshikazu Suzuki, Hiroshi Ohmizu, Yoshimasa Hashimura, Hitoshi Kubota, Keiko Tanaka