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. 19, 1978
Filed:
Jun. 01, 1976
Applicant:
Inventors:
Gianfederico Doria, Milan, IT;
PierNicola Giraldi, Milan, IT;
Francesco Lauria, Milan, IT;
Maria Luisa 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 ...
A61K / ; C07D / ;
U.S. Cl.
CPC ...
424250 ; 544376 ; 544151 ; 2602 / ; 2603452 ; 548336 ; 544120 ;
Abstract
Chromone compounds carrying a pyrazinyl substituent at the 2-position are disclosed, such as, for instance, 6-carboxy-2-(2'-pyrazinyl)-chromone. The disclosed compounds are useful in the treatment of allergies.