The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 30, 1978
Filed:
Jun. 01, 1976
Applicant:
Inventors:
Mitsuru Tanemura, Tokyo, JA;
Teizo Shinozaki, Matsudo, JA;
Minoru Shindo, Kurume, JA;
Shun-ichi Hata, Yokohama, JA;
Koji Mizuno, Tokorozawa, JA;
Masayoshi Ono, Tokorozawa, JA;
Kiyoshige Wakabayashi, Ohmiya, JA;
Toshiaki Nakano, Tokyo, JA;
Yasuho Nishii, Niiza, JA;
Takashi Matsuno, Ohmiya, JA;
Yoshiyuki Ohsugi, Kodaira, JA;
Assignee:
Chugai Seiyaku Kabushiki Kaisha, Tokyo, JA;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A01N / ; C07C / ;
U.S. Cl.
CPC ...
424309 ; 2605 / ; 2605 / ;
Abstract
An aminobenzoic acid derivative represented by the formula ##STR1## wherein R.sub.1, R.sub.2 and R.sub.3 are defined hereinbelow, which has excellent activity for improving liver function and for potentiating and normalizing immunity; a process for preparing the same; and a pharmaceutical composition containing the same are disclosed.