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:
Apr. 10, 1979
Filed:
Sep. 16, 1977
Applicant:
Inventors:
Gianfederico Doria, Milan, IT;
Piernicola Giraldi, Milan, IT;
Francesco Lauria, Milan, IT;
Maria L Corno, Milan, IT;
Piero Sberze, Varese, IT;
Marcello Tibolla, Milan, IT;
Assignee:
Carlo Erba S.p.A., Milan, IT;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D / ; C07D / ;
U.S. Cl.
CPC ...
424263 ; 2603452 ; 2603 / ; 26032685 ; 26032687 ; 2603 / ; 2603 / ; 2603 / ; 2603403 ; 424250 ; 424269 ; 424276 ; 544111 ; 544120 ; 544124 ; 544151 ; 548336 ; 548335 ; 542441 ; 542459 ; 542430 ; 542432 ; 542454 ; 4242 / ; 544230 ; 544336 ; 544376 ; 546 15 ; 546269 ; 546318 ;
Abstract
Chromone compounds carrying a pyridyl substituent at the 2-position are disclosed, such as, for instance, 6-carboxy-2-(2'-pyridyl)-chromone. The disclosed compounds are useful in the treatment of allergies.