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:
Oct. 12, 1993
Filed:
Jan. 16, 1992
Sinji Inukai, Hatano, JP;
Mitsuzi Agata, Kanagawa, JP;
Kiyoshi Akiba, Kanagawa, JP;
Takeo Ohmura, Kanagawa, JP;
Yoshihiro Horio, Hatano, JP;
Yasuhiro Ootake, Minami-ashigara, JP;
Shohei Sawaki, Kanagawa, JP;
Masayoshi Goto, Isehara, JP;
Wakamoto Pharmaceutical Co., Ltd., Tokyo, JP;
Abstract
A tetrazoleacetic acid derivative represented by the following general formula (I): ##STR1## [in Formula (I), R.sub.1 represents a hydrogen atom or a lower alkyl group; R.sub.2, R.sub.3 and R.sub.4 are the same or different from each other and are selected from the group consisting of hydrogen, lower alkyl, halogen, lower haloalkyl, hydroxy and lower alkoxy; and tetrazol group is substituted at 1- or 2-position of naphthyl group] except for [5-(1-naphthyl)tetrazol-1-yl]acetic acid and ethyl ester thereof, or a salt thereof.