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:
Sep. 20, 1983
Filed:
Jan. 19, 1981
Applicant:
Inventors:
Derek R Buckle, Redhill, GB;
Harry Smith, Maplehurst Nr. Horsham, GB;
Assignee:
Beecham Group Limited, , GB;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07D / ; A61K / ;
U.S. Cl.
CPC ...
424250 ; 544368 ; 544366 ; 548256 ; 548259 ;
Abstract
Compounds of the formula (I), or pharmaceutically acceptable salts thereof ##STR1## wherein X is phenyl, optionally substituted by one halogen, C.sub.1-4 alkyl or C.sub.1-4 alkoxy; or pyridyl; R.sub.1 is hydrogen or C.sub.1-6 alkyl; and n is 1 to 6, pharmaceutical compositions containing them and a process for their preparation. These compounds are useful in the prophylaxis or treatment of diseases due to a histamine-mediated allergic response.