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:
Dec. 08, 1998
Filed:
Jun. 11, 1997
Hiroshi Yoshino, Chiba, JP;
Norihiro Ueda, Ibaraki, JP;
Jun Niijima, Ibaraki, JP;
Toru Haneda, Ibaraki, JP;
Yoshihiko Kotake, Ibaraki, JP;
Kentaro Yoshimatsu, Ibaraki, JP;
Tatsuo Watanabe, Chiba, JP;
Takeshi Nagasu, Ibaraki, JP;
Naoko Tsukahara, Chiba, JP;
Nozomu Koyanagi, Ibaraki, JP;
Kyosuke Kitoh, Ibaraki, JP;
Eisai Co., Ltd., Tokyo, JP;
Abstract
A sulfonamide derivative or a sulfonic ester derivative represented by the following general formula (I): ##STR1## {G represents an aromatic 5- or 6-membered ring; L represents O or --N(R.sup.1)-- (R.sup.1 represents hydrogen or lower alkyl); and M represents ##STR2## rings A and B represent each an unsaturated 5- or 6-membered ring; Y represents O, S(O).sub.n, C(R.sup.3)(R.sup.4), C(O), N(R.sup.5), CH(R.sup.6)CH(R.sup.7), C(R.sup.8).dbd.C(R.sup.9), N(R.sup.10)C(O), N.dbd.C(R.sup.11), OCH(R.sup.12), S(O).sub.n CH(R.sup.13) or N(R.sup.14)CH(R.sup.15).