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:
Jun. 12, 1984
Filed:
Sep. 15, 1981
Applicant:
Inventors:
Derek R Buckle, Redhill, GB;
Harry Smith, Maplehurst, Nr Horsham, GB;
Assignee:
Beecham Group Limited, , GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K / ; C07D / ;
U.S. Cl.
CPC ...
424245 ; 424240 ; 548101 ; 548255 ; 548256 ; 568644 ;
Abstract
Compounds of the formula (I): ##STR1## and pharmaceutically acceptable salts thereof, wherein R.sub.1 is hydrogen or C.sub.1-6 alkyl, and R.sub.2 is hydroxy, C.sub.1-4 alkylsulphonyloxy or p-toluenesulphonyloxy are useful for the prophylaxis and treatment of diseases due to allergic response in mammals. Processes for their preparation are described.
Buckle, Derek. (1984). Substituted benzopyranotriazoles and antiallergic use (U.S. Patent No. 4454136). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4454136
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile