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. 09, 1980
Filed:
Dec. 23, 1977
Applicant:
Inventors:
Assignee:
Miles Laboratories, Inc., Elkhart, IN (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07D / ; C07D / ; A61K / ; A61K / ;
U.S. Cl.
CPC ...
424269 ; 424275 ; 424283 ; 2603452 ; 548253 ; 549 45 ; 549 46 ; 549 27 ;
Abstract
Certain substituted cycloalkenochromones and pharmacologically acceptable salts thereof are disclosed as being useful in the treatment of allergies. The compounds have the structure: ##STR1## X is --O--, --S--, or --SO.sub.2. Y is from 1 to 4. R.sub.1 is H or alkyl, and R.sub.2 is H, alkyl, aryl, carboxyl, alkoxy, aralkoxy, or alkoxycarbonyl. When R.sub.1 is alkyl, R.sub.2 is hydrogen, alkyl or aryl. At least one of R.sub.2 and R.sub.3 is alkoxycarbonyl, carboxyl or tetrazolyl. R.sub.3 is carboxyl, alkylthio, alkylsulfonyl, alkylsulfinyl, alkoxycarbonyl, or tetrazolyl.