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:
Jul. 27, 1993
Filed:
Jan. 17, 1992
Haruyoshi Honda, Chiba, JP;
Hiroyuki Mizuno, Chiba, JP;
Kinichi Mogi, Narita, JP;
Yoshikuni Ito, Chiba, JP;
Yasushi Kaneko, Narita, JP;
Naokata Taido, Funabashi, JP;
Susumu Sato, Chiba, JP;
Tadayuki Kuraishi, Chiba, JP;
SS Pharmaceutical Co., Ltd., Tokyo, JP;
Abstract
Benzo[5,6]cyclohepta[1,2-b]pyridine derivatives of the following formula: ##STR1## wherein R.sup.1 represents a cyano, carbamoyl, alkylsulfoxy, alkylsulfonyl, tetrazolyl or sulfonic acid group, and R.sup.2 represents a hydrogen atom, a cyano, phenyl, aralkyl, alkoxycarbonylalkyl, aminoalkylcarbamoylalkyl or lower alkyl group, or a group ##STR2## or --X--R.sub.4, X being an oxygen or sulfur atom, R.sup.3 standing for a hydrogen atom or a substituted or unsubstituted lower alkyl, phenyl or aralkyl group, and R.sup.4 being a substituted or unsubstituted lower alkyl, phenyl or aralkyl group or an aminoalkyl group, and salts thereof. Antiallergic and antihistamic agents containing one of the above derivatives or salts as an active ingredient are also described.